Provided is an isolation and purification method for isolating and purifying extracellular vesicles. In the method for isolating and purifying extracellular vesicles from a solution containing the extracellular vesicles and unnecessary substances. The isolation and purification method is an adsorbent treatment method in which a solution containing the extracellular vesicles and unnecessary substances is brought into contact with an adsorbent to cause the adsorbent to adsorb and retain the unnecessary substances other than the extracellular vesicles. The adsorbent is a porous granular material having a pore, an interior of the pore being positively charged, and the adsorbent can adsorb and retain, in the interior of the pore, negatively charged unnecessary substances other than the extracellular vesicles.
Provided are a new manufacturing method for a hollow fiber membrane module and a manufacturing device that is used therefor. This manufacturing method for a hollow fiber membrane module comprises a hollow fiber membrane bundle, a cylindrical case, and a fixing part that fixes an end part of the hollow fiber membrane bundle to the cylindrical case with a thermosetting resin. The manufacturing method for a hollow fiber membrane module includes: filling the end part of the hollow fiber membrane bundle with the thermosetting resin and curing the end part to form a fixing part; and heating the fixing part at 90 to 130°C while maintaining the temperature at an intermediate part separated from the end part of the hollow fiber membrane bundle at 60°C or lower. This manufacturing device for a hollow fiber membrane module produces a hollow fiber membrane module comprising a hollow fiber membrane bundle, a cylindrical case, and a fixing part, and comprises a heating unit that post-cure the fixing part. The heating unit is for heating the fixing part at 90 to 130°C from the terminal end side of the fixing part while maintaining the temperature at an intermediate part separated from the end part of the hollow fiber membrane bundle at 60°C or lower.
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Japan)
Inventor
Uchimura, Seiichi
Nakatsuka, Shuji
Kawabori, Masahito
Abstract
The purpose of the present disclosure is to provide a pharmaceutical composition having an excellent therapeutic effect on the treatment of central nervous system diseases. A pharmaceutical composition for transnasal administration to be used for treating central nervous system diseases and containing a purified product of extracellular vesicles, in which the purified product of extracellular vesicles is obtained by a method for producing a purified product of extracellular vesicles, the method comprising: (i) a purification step in which a solution to be treated containing extracellular vesicles and foreign substances is brought into contact with an exclusive anion exchange carrier to obtain a treated solution containing the extracellular vesicles; and (ii) a membrane filtration step in which the treated solution is subjected to membrane filtration to obtain a concentrated solution of the extracellular vesicles. The pharmaceutical composition for transnasal administration has an excellent therapeutic effect on the treatment of central nervous system diseases.
A61K 35/12 - Materials from mammalsCompositions comprising non-specified tissues or cellsCompositions comprising non-embryonic stem cellsGenetically modified cells
A61P 25/28 - Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
[Object]
[Object]
To provide an isolation and purification method for isolating and purifying extracellular vesicles.
[Object]
To provide an isolation and purification method for isolating and purifying extracellular vesicles.
[Solution]
[Object]
To provide an isolation and purification method for isolating and purifying extracellular vesicles.
[Solution]
An isolation and purification method of extracellular vesicles is disclosed. A hollow fiber membrane has an inner diameter of 0.2 mm to 1.4 mm and a molecular weight cut-off of 100000 to 1000000. Filtering includes a first filtration process of press-fitting the culture supernatant of the mesenchymal stem cells from a first opening on one end side of the hollow fiber membrane and filtering the culture supernatant to separate the culture supernatant into a permeate and a first concentrate, and a second filtration process of press-fitting the first concentrate from a second opening on the other end side of the hollow fiber membrane and filtering the first concentrate to separate the first concentrate into a permeate and a second concentrate. A concentrate is produced in which a concentration of the extracellular vesicles is increased by alternating tangential flow filtration in which the first filtration process and the second filtration process are alternately performed a plurality of times. A membrane surface velocity in the first filtration process and the second filtration process is 0.3 m/sec to 2 m/sec.
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
[Object] To provide a method for isolating and purifying a minute useful substance. [Solution] Disclosed is a method for isolating and purifying a minute useful substance. The method includes filtering a liquid containing a minute useful substance through a hollow fiber membrane. The hollow fiber membrane has an inner diameter of 0.2 mm to 1.4 mm and a molecular weight cut-off of 100000 to 1000000. The filtering includes a first filtration process of press-fitting the liquid containing the minute useful substance from a first opening on one end side of the hollow fiber membrane and filtering the liquid to separate the liquid into a permeate and a first concentrate, and a second filtration process of press-fitting the first concentrate from a second opening on the other end side of the hollow fiber membrane and filtering the first concentrate to separate the first concentrate into a permeate and a second concentrate. A concentrate is produced in which a concentration of the minute useful substance is increased by filtration in which the first filtration process and the second filtration process are alternately performed a plurality of times at a membrane surface velocity of 0.3 m/sec to 2 m/sec.
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
The purpose of the present invention is to provide a hollow fiber membrane module for drug efficacy evaluation, in which migration of drug-degrading enzymes (such as β-lactamases having a molecular weight of approximately 40 kDa), which are produced by bacteria or cells, from an ECS to an ICS occurs and imbalances in the distribution of the bacteria or the cells within the ECS are suppressed. This hollow fiber membrane for drug efficacy evaluation is to be mounted in a device that supplies a drug to bacteria or cells in a gap between an inner wall of a cylindrical housing and a plurality of hollow fiber membranes, wherein: the hollow fiber membranes have a molecular weight cutoff of at least 100 kDa and no more than 3000 kDa, an average internal diameter of 0.1 to 0.4 mm, and a length of 6 to 15 cm; and the transmembrane resistance of the hollow fiber membrane module is 10 × 1011to 50 × 1011m−1.
A method for preparing a microalga dispersion from a microalga-containing liquid that contains a microalga having a length of less than 1000 μm, said method including a concentration step for cross flow-filtering the microalga-containing liquid using a hollow fiber membrane, wherein, in the cross-flow filtration in the concentration step, the circulation linear velocity is within the range of 0.2-1.3 m/sec. inclusive.
A61K 36/05 - Chlorophycota or chlorophyta (green algae), e.g. Chlorella
C12N 1/02 - Separating microorganisms from their culture media
C12N 1/04 - Preserving or maintaining viable microorganisms
C12P 1/00 - Preparation of compounds or compositions, not provided for in groups , by using microorganisms or enzymesGeneral processes for the preparation of compounds or compositions by using microorganisms or enzymes
8.
METHOD FOR SEPARATING AND PURIFYING EXTRACELLULAR VESICLES
Provided is a separation and purification method for separating and purifying extracellular vesicles. A method for separating and purifying extracellular vesicles from a solution containing extracellular vesicles and unnecessary substances, wherein: the separation and purification method is an adsorbent treatment method in which an adsorbent is brought into contact with the solution containing extracellular vesicles and unnecessary substances, as a result of which the adsorbent adsorbs and retains the unnecessary substances, excluding the extracellular vesicles; and the adsorbent is a porous granular material having positively charged pore interiors, the adsorbent being capable of adsorbing and retaining negatively charged unnecessary substances, excluding the extracellular vesicles, in the pore interiors.
B01D 69/00 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor
[Problem] To provide a method for separating and purifying a minute useful substance. [Solution] A method for separating and purifying a minute useful substance involves filtering a liquid containing the minute useful substance by means of a hollow fiber membrane which has an inner diameter of 0.2-1.4 mm and a molecular weight cut-off of 100,000-1,000,000, wherein: the filtering process comprises a first filtering step for pressing and filtering the liquid containing the minute useful substance from a first opening on one end side of the hollow fiber membrane and separating the liquid into a permeate and a first concentrate, and a second filtering step for pressing and filtering the first concentrate from a second opening on the other end side of the hollow fiber membrane, and separating the first concentrate into a permeate and a second concentrate; and a concentrate having an increased concentration of the minute useful substance is obtained by filtration in which the first filtering step and the second filtering step are alternately carried out multiple times at a membrane surface rate of 0.3-2 m/sec.
B01D 69/00 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
[Problem] To provide an isolation and purification method for isolating and purifying extracellular vesicles. [Solution] An isolation and purification method of extracellular vesicles, said method being for obtaining a concentrated solution having an increased concentration of extracellular vesicles by a filtration process using a hollow fiber membrane, wherein: the hollow fiber membrane has an inner diameter of 0.2-1.4 mm and a fractional molecular weight of 100,000-1,000,000; the filtration process uses alternating tangential flow filtration, which includes a first filtration step for pressurizing a mesenchymal stem cell culture supernatant solution through a first opening at one end of the hollow fiber membrane, filtering and thus separating into a permeate and a first concentrated solution, and a second filtration step for pressurizing the first concentrated solution through a second opening at the other end of the hollow fiber membrane, filtering and thus separating into a permeate and a second concentrated solution, and in which the first and second filtration steps are alternately performed multiple times; and the membrane surface velocity in the first and second filtration steps is 0.3-2 m/sec.
C12N 1/00 - Microorganisms, e.g. protozoaCompositions thereofProcesses of propagating, maintaining or preserving microorganisms or compositions thereofProcesses of preparing or isolating a composition containing a microorganismCulture media therefor
B01D 69/00 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
Provided is a tubular separation membrane suitable for treating oil-containing wastewater. The tubular separation membrane comprises cellulose acetate, has a membrane thickness of 0.05-0.4 mm, and satisfies the relationships given in the following formula 1 and formula 2 between the salt rejection rate and the permeation flux: formula 1: Y = AX1 + B (In formula 1, Y represents the permeation flux [L/m2· h], X1 represents the rejection rate [%] for sodium chloride [monovalent ion], A represents a constant in the range -1.4 < A < -1.0, and B represents a constant in the range 100 < B < 150.); and formula 2: Y = CX2 + D (In formula 2, Y represents the permeation flux [L/m2 · h], X2 represents the rejection rate [%] for magnesium sulfate [divalent ion], C represents a constant in the range -6.0 < C < -4.0, and D represents a constant in the range 300 < D < 800.).
B01D 69/00 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
A hollow fiber porous membrane includes polyethersulfone or polysulfone. The hollow fiber porous membrane has an inner diameter from 300-600 μm, a thickness from 70-200 μm, a molecular weight cut-off of 10000 or lower, and a plurality of pores having a pore diameter from 0.1-0.5 μm throughout an outer surface; and a bulging rate of less than 5%. For 20 or more of the hollow fiber porous membranes, after a membrane thickness in a cross section of each one of the hollow fiber porous membranes in the width direction is measured at randomly selected 10 or more locations, an average membrane thickness is calculated based on 200 or more locations in total, and the bulging rate is calculated by a formula below: Bulging Rate (%)=(location numbers where the membrane thickness as measured exceeded 1.3 times the average membrane thickness)/(membrane thickness measurement numbers)×100.
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
[Problem] To provide a method for preparing seawater for juvenile shrimp farming to be used in the farming of juvenile shrimp, the method utilizing natural seawater. [Solution] A method for preparing seawater for juvenile shrimp farming to be used in the farming of juvenile shrimp, the method including a step for pre-treating natural seawater and a step for filtering the pre-treated water of the natural seawater with an ultrafiltration membrane module to obtain seawater for juvenile shrimp farming, wherein chemicals containing fungicides or antibiotics are not administered in the natural seawater serving as the raw material, in the pre-treated water, or in the seawater for juvenile shrimp farming.
[Problem] To provide a system for managing the quality of rearing water for land-based recirculating aquaculture of aquatic animals such as fishes. [Solution] This system for managing the quality of rearing water for land-based recirculating aquaculture of aquatic animals is provided with: an aquatic animal rearing water tank 1 provided with a water pump; an organism filtration tank 2 for treating the rearing water in the rearing water tank 1; and a separation membrane module 3 for removing pathogenic microorganisms. These components are connected via a water supply line.
This porous hollow fiber membrane contains polyethersulfone or polysulfone, has an inner diameter of 300 to 600 µm, a thickness of 70 to 200 µm, and a fractional molecular weight of 10,000 or less, comprises a plurality of micropores with a diameter of 0.1 to 0.5 µm on the entire outer surface, and has a swelling ratio of less than 5%. Swelling ratio (%): Each of 20 or more porous hollow fiber membranes is measured for thickness at 10 or more arbitrary sites in a cross section in the width direction, the average thickness is calculated from the thicknesses measured at 200 or more sites in total, and the swelling ratio is calculated on the basis of the formula below. Swelling ratio (%) = (number of sites at which measured thickness is more than 1.3 times larger than average thickness)/(number of thickness measurements) × 100
B01D 69/00 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor
B01D 69/02 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or propertiesManufacturing processes specially adapted therefor characterised by their properties
D01F 6/76 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolycondensation products from other polycondensation products
This dialysis system is equipped with a recording unit for recording trend management information obtained by chronologically compiling and accumulating first data that show the cleanliness of the dialysis water supplied to at least one patient and second data that show the dialysis treatment results of the at least one patient, and an output unit for outputting the trend management information recorded in the recording unit.
To provide an external pressure-type hollow-fiber membrane module that, during filtration operations, is less likely to cause fouling to the hollow-fiber membrane and exhibits excellent performance in cleaning of the hollow-fiber membrane. This external pressure-type hollow-fiber membrane module has a water collection pipe 12 and a hollow-fiber membrane bundle 13 housed inside a cylindrical case housing 11, wherein: the hollow-fiber membrane bundle 13 has a filling rate of 40-70%; an end of the cylindrical case housing 11 is covered with a second cap 50 having a first liquid outlet 51 and a second liquid outlet 52; and one of the first liquid outlet 51 and the second liquid outlet 52 is connected, via a connection pipe 70, to an opening of the water collection pipe 12 on the side of the second cap 50.
D01F 2/28 - Monocomponent artificial filaments or the like of cellulose or cellulose derivativesManufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
The purpose of the present invention is to provide a wastewater treatment method that can implement zero liquid discharge (ZLD). Provided is a wastewater treatment method for recovering water in wastewater treatment and disposing of or reusing only solid portions that are ultimately dried, wherein the wastewater treatment method has a treatment step using a tube-shaped RO membrane.
Provided are: a polyurethane adhesive composition which has excellent durability against hydrolysis, and a sufficiently long time for which the fluidity thereof is maintained (time for which the viscosity thereof is low) during a curing reaction; and a hollow fiber membrane module produced using the polyurethane adhesive composition. This polyurethane adhesive composition contains (A) one or more selected from aromatic polyisocyanates and denatured products thereof (hereinafter referred to as component (A)), and (B) a curing agent (hereinafter referred to as component (B)), wherein the component (B) includes 50 mass% or more of (B1) a polyol compound having 8 or more carbon atoms and having one or more secondary or tertiary hydroxy groups (hereinafter referred to as component (B1)), and a measurement of a polyurethane adhesive cured product obtained by a reaction of the component (A) with the component (B) using a microscopic Fourier transform infrared spectrometer (microscopic FT-IR) shows that the ratio (Te/Tu) of a transmittance (Te) at an absorption peak of 1720-1730 cm-1to a transmittance (Tu) at an absorption peak of 1708-1712 cm-1 is less than 0.9.
NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY (Japan)
Inventor
Ase Tomonobu
Sakata Masayo
Abstract
Provided is a quality control method for water for artificial dialysis, for use when producing artificial dialysate. In this quality control method for water for artificial dialysis, oligo DNA contained in water for artificial dialysis, produced using devices including a reverse osmosis membrane device and an electric regeneration type deionizing device, is measured by means of a fluorometric method employing an OliGreen reagent.
G01N 21/78 - Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
A61M 1/16 - Dialysis systemsArtificial kidneysBlood oxygenators with membranes
B01J 20/22 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising organic material
C02F 1/28 - Treatment of water, waste water, or sewage by sorption
C02F 1/469 - Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
21.
AIR DIFFUSING SYSTEM COMPRISING AIR DIFFUSING DEVICE AND OPERATING METHOD THEREOF
Provided is an air diffusing system that can stably aerate a large aquaculture pond. Provided is an air diffusing system comprising an air diffusing device used in an aquaculture pond that is for aquatic life and that has a depth of 1-3 m and an area (A1) of at least 500 m2, wherein: the air diffusing device has a blower installed outside the aquaculture pond, an air diffusing part submerged in the aquaculture pond, and a first blast tube that connects between the blower and the air diffusing part; the air diffusing part has 3-12 air diffusers and 3 or more second blast tubes that connect between the 3-12 air diffusers; one of the three or more second blast tubes of the air diffusing part is connected to the blower via the first blast tube; the blower can be adjusted so as to have a blasting flow rate falling within a range of 6-40 m3/h at a connection between said second blast tube and the first blast tube; the air diffusing part is polygonal in planar shape; the air diffusing part has an occupied area (an area based on when enclosed only by the second blast tube) (A2) of 10-150 m2; and the air diffusers are capable of forming foam in an area of 200-800 cm2 per single air diffuser.
a) provided with a guide plane that contacts with and redirects the inflation gas. The guide plane is formed into an arc face so as to swivel the inflation gas exited the gas outlet port (11) in a swirl or helical fashion, guide the inflation gas toward the gas discharge ports (16) and capture residuals.
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
23.
CURING AGENT COMPOSITION FOR EPOXY RESIN, CURABLE RESIN COMPOSITION, AND CURED PRODUCT THEREOF
This curing agent composition for an epoxy resin contains: an acid anhydride curing agent (A); a curing accelerating agent (B); and at least one diol selected from neopentylglycol and 1,3-butanediol. The amount of diol (C) blended in is, for example, 0.5-15 parts by weight for every 100 parts by weight of the acid anhydride curing agent (A). The curing agent composition for an epoxy resin has an extremely low amount of carbon dioxide emission even if stored for a long period of time, is transparent without cloudiness, and can be prepared at a low cost.
A resin-reinforcing fiber of the present invention is a fiber that is surface-treated with an epoxidized polydiene resin. A carbon fiber or a glass fiber is preferable as the resin-reinforcing fiber. A fiber-reinforced resin composite material of the present invention is configured of the resin-reinforcing fiber and a matrix resin. An epoxy thermosetting resin is preferable as the matrix resin. The resin-reinforcing fiber of the present invention is capable of improving the absorption energy (elastic energy) up to the maximum load of a fiber-reinforced resin composite material and the absorption energy (propagation energy) after the maximum load of the fiber-reinforced resin composite material at the same time.
D06M 15/693 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with macromolecular compoundsSuch treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
C08J 5/06 - Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
D06M 13/11 - Compounds containing epoxy groups or precursors thereof
Provided is a method that is for producing a cured product and that is characterized by curing a curable epoxy resin composition, which contains an alicyclic epoxy compound (A) as a curable component, a curing agent (B), and a curing accelerator (C), the amount of the alicyclic epoxy compound (A) contained being at least 60 wt% of the total quantity of the curable component, said curing taking place in curing conditions that are a temperature between 95°C and 135°C inclusive and a time of at least 4.5 hours. As a result of this method of production, by means of optimizing the temperature and time in the curing conditions, it is possible to form a cured product having superior transparency and, for example when used as a sealing material of an optical semiconductor device, having excellent light resistance and cracking resistance in a heat cycle test.
C08G 59/00 - Polycondensates containing more than one epoxy group per moleculeMacromolecules obtained by reaction of epoxy polycondensates with monofunctional low-molecular-weight compoundsMacromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material
H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
A gas generator includes a diffuser portion (100) connected to a main housing (22) and discharging a gas, the inside of the diffuser portion having a first tubular space portion (110) and a second tubular space portion (111), the first tubular space portion (110) facing a partition plate (120), and the second tubular space portion (111) communicating with gas discharge ports (105), the first tubular space portion and the second tubular space portion being provided with a step such that the inner diameter d1 of the first tubular space portion and the inner diameter d2 of the second tubular space portion satisfy the relationship d1 > d2, and a cross - sectional area of the second tubular space portion being less than the total opening area of the gas discharge ports (105).
B60R 21/272 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous release of stored pressurised gas with means for increasing the pressure of the gas just before or during liberation, e.g. hybrid inflators
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
To enable delivery of a substance to be injected into a skin structure of a living body at a target depth without using a needle, a needleless syringe includes: an enclosing part in which a substance to be injected is enclosed; a pressurizing part for applying a pressure on the substance to be injected enclosed in the enclosing part; and a flow passage part defining a flow passage so that the substance to be injected pressurized by the pressurizing part is injected to a target region of the injection. The flow passage part includes: a nozzle member forming a nozzle passage through which the substance to be injected is ejected outward from the syringe; and a holding member for detachably holding the nozzle member, the holding member being fixed to the body of the syringe in a state holding the nozzle member with an introducing passage through which the substance to be injected pressurized by the pressurizing part being formed between the body of the syringe and the holding member.
The present inventors have made studies on cultivation conditions suitable for the production of equol, using bacteria that are classified into the family Coriobacteriaceae and the family Streptococcaceae as one example of microorganism groups. As a result, it is found that the equol production efficiency is dramatically increased when the concentration of a hydrogen gas in a gas phase in which fermentation is to be carried out is 40-100% (particularly 100%) by mass. Namely, the present inventors succeeded in the establishment of cultivation conditions suitable for the production of equol using an anaerobic microorganism.
A liquid thermosetting epoxy resin composition which comprises a base resin material, (D) a curing agent, and (E) a cure accelerator, or which comprises a base resin material and (D') a curing catalyst, each base resin material being composed of (A) an alicyclic epoxy compound that has a cyclic aliphatic skeleton and two or more epoxy groups in the molecule, (B) a polyester polyol and/or a polycarbonate polyol, each polyol having two or more terminal hydroxyl groups, and (C) a phosphorous acid ester. The liquid thermosetting epoxy resin composition exhibits excellent viscosity stability, and can yield an excellently heat-resistant and transparent cured product which is homogeneous even when the cured product has a large thickness and which does not crack even under heat cycle conditions.
C08K 5/524 - Esters of phosphorous acids, e.g. of H3PO3
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material
H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
30.
PHOTOSENSITIVE COMPOSITION FOR RECORDING VOLUME HOLOGRAM, AND METHOD FOR MANUFACTURING MEDIUM
The objective of the invention is to provide a hologram recording medium having a high diffraction efficiency, a low rate of curing shrinkage, and outstanding storage stability. This photosensitive composition for recording a volume hologram is characterized in containing a three-dimensionally crosslinking polymer matrix precursor material (I) containing a cationic-polymerizing compound (C) and a thermal acid generator (F); two or more radical-polymerizing compounds (X); a photo-radical polymerization initiator (E); and a sensitizing dye (G). The radical-polymerizing compounds (X) preferably contain a radical-polymerizing compound (B) having a radical-polymerizable, ethylenically unsaturated bond and one or more hydroxyl groups or carboxyl groups, and also contain a radical-polymerizing compound (A) having a radical-polymerizable, ethylenically unsaturated bond, but lacking hydroxyl groups and carboxyl groups.
G03H 1/02 - Holographic processes or apparatus using light, infrared, or ultraviolet waves for obtaining holograms or for obtaining an image from themDetails peculiar thereto Details
A curable resin composition which comprises, as the essential components, an epoxy compound (A) having an oxycyclohexane skeleton wherein an epoxy group is bonded to a cyclohexane ring via a single bond, an alicyclic epoxy compound (B) having two or more alicyclic epoxy groups per molecule, at least one kind of a bisphenol-type diepoxy compound (C) selected from a bisphenol A-type epoxy resin and a bisphenol F-type epoxy resin, an aliphatic polyhydric alcohol polyglycidyl ether (D) and a curing agent (E). From this curable resin composition, a cured article, which has a highly excellent moisture resistance and, when used, for example, as an LED sealant, shows no decrease in luminous flux even under hot and humid conditions and exhibits good crack resistance and good heat resistance in a heat cycle, can be obtained.
C08G 59/20 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the epoxy compounds used
H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material
H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
H01L 31/02 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof - Details
H01L 33/56 - Materials, e.g. epoxy or silicone resin
32.
CURABLE COMPOSITION AND ARTICLE PRODUCED BY CURING SAME
Disclosed is a curable composition that exhibits a low viscosity before curing, rapidly cures upon heating, and can form a cured resin that has a low Abbe number of 30 or less, is highly transparent and heat-resistant, and is resistant to yellowing even under high-temperature conditions, such as reflow soldering. Also disclosed are: the cured resin obtained by curing the aforementioned curable composition; and an optical member comprising said cured resin. The disclosed curable resin composition is characterized by containing the belowmentioned components (A and B) in a weight ratio (A:B) between 70:30 and 99:1 and also containing a thiol compound. Component A is a compound that contains a fluorene ring and two (meth)acryloyloxy groups per molecule, and component B is a compound that does not contain a fluorene ring and contains at least one vinyl group or (meth)acryloyloxy group per molecule.
Provided is a low moisture permeability resin composition for an electronic device which can be used as a sealant or a sealing compound for an organic light-emitting diode, an electronic paper or a solar battery, and can form a hardened material excellent in low moisture permeability. The present invention provides a low moisture permeability resin composition for an electronic device requiring low moisture permeability, characterized by containing: a compound (A) having two or more reactive functional groups (a) in one molecule; a compound (B) having one reactive functional group (b) in one molecule, and a molecular weight of 50 to 1000; and a polymerization initiator (C).
C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material
H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
H01L 31/042 - PV modules or arrays of single PV cells
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
Cellulose fibers having an average fiber diameter of 0.1-20 μm and cellulose nanofibers having an average fiber diameter of less than 100 nm are made into a sheet form, thereby preparing a non-woven fabric. The non-woven fabric may have a thickness of 20 μm or less. The content ratio of the cellulose nanofibers may be about 0.01-15 parts by weight relative to 100 parts by weight of the cellulose fibers. This non-woven fabric may contain substantially no synthetic resin, and can have excellent mechanical strength even when the non-woven fabric does not contain any sheet force increasing agent such as a polyacrylamide or has a small thickness. Further, this non-woven fabric has excellent gas permeability, and therefore can be used as a separator or a filter for an electrical storage element.
D21H 11/18 - Highly hydrated, swollen or fibrillatable fibres
D04H 1/04 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated man-made fibres
D04H 1/42 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
H01M 2/16 - Separators; Membranes; Diaphragms; Spacing elements characterised by the material
35.
NON-WOVEN FABRIC COMPRISING CELLULOSE FIBERS AND PROCESS FOR PRODUCTION THEREOF, AND SEPARATOR
A non-woven fabric is prepared, which comprises cellulose fibers having an average fiber diameter of 0.1-50 μm and polyolefin fibers having an average fiber diameter of 1.5 μm or less and has a thickness of 20 μm or less. The polyolefin fibers may be polyethylene fibers having an average fiber diameter of 10-1000 nm and an average fiber length of 1-1000 μm. The ratio of the content of the cellulose fibers to that of the polyolefin fibers (the former/the latter) may be 99.9/0.1 to 10/90 (particularly 70/30 to 20/80) (by weight). This non-woven fabric can exhibit both gas permeability and mechanical strength at the same time even when the non-woven fabric has a small thickness, and may be used as a separator for an electrical storage element.
D21H 13/12 - Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
D04H 1/42 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
H01M 2/16 - Separators; Membranes; Diaphragms; Spacing elements characterised by the material
The present invention provides a gas generator including: an igniter, a collar for holding the igniter, and a cup-shaped case fixed to the collar and charged inside with gas generating agent, the collar formed by a combination of a metallic portion and a resin portion which is integrated with the metallic portion, the collar being provided with an annular groove formed in an outer peripheral surface thereof, the cup-shaped case and the collar being fixed by fitting a bent portion, which is obtained by bending inward an end portion in an opening side of the cup-shaped case, to the annular groove, an annular space being formed by an inner wall surface of the bent portion and the collar, and being in communication with an inside of the cup-shaped case.
Disclosed is a curable composition for nanoimprinting, which includes one or more polymerizable monomers, in which one or more monofunctional radically polymerizable monomers occupy 90 percent by weight or more of the one or more polymerizable monomers, and the one or more monofunctional radically polymerizable monomers give a polymer having a glass transition temperature of 25° C. or higher. The one or more monofunctional radically polymerizable monomers are preferably at least one compound selected from (meth)acrylic ester compounds, styrenic compounds, and vinyl ether compounds.
G03F 7/027 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C08L 25/04 - Homopolymers or copolymers of styrene
C08L 29/10 - Homopolymers or copolymers of unsaturated ethers
C08L 33/08 - Homopolymers or copolymers of acrylic acid esters
C08L 33/10 - Homopolymers or copolymers of methacrylic acid esters
G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
B82Y 10/00 - Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
B82Y 40/00 - Manufacture or treatment of nanostructures
Provided is a fiber-reinforced transparent resin composition exhibiting excellent transparency, and high strength and dimensional stability. A fiber-reinforced transparent resin composition is prepared by combining a transparent resin with a plant-derived cellulose fiber, in which the maximum fiber diameter is 100 nm or less and the ratio of the average fiber length relative to the average fiber diameter is 2000 or more. The average fiber length of the cellulose fiber may be between 100 and 500 µm. The cellulose fiber may have an average fiber diameter of 15 to 80 nm and the standard deviation of the fiber diameter distribution may be 80 nm or less. The transparent resin may be a curable resin selected from among a group comprising acrylic resins and epoxy resins. The transparent sheet formed by means of the fiber-reinforced transparent resin composition may be used as a sheet for forming the display section of a touch panel.
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
Provided is a gel-forming agent that is simple to prepare, is very safe to living bodies and the environment, has good gel-forming capability, feels excellent when used, and is easy to handle. An oil-based gel-like composition is formed from 70 to 99 wt% of an oil-phase component and 1-30 wt% of a gel-forming agent obtained by mixing polyglycerin having a degree of polymerization of 3 to 20, preferably 3 to 10, in an amount between [6.8 Ln(X) + 17] parts by weight and 27 Ln(X) parts by weight (where X is the degree of polymerization of the polyglycerin) per 100 parts by weight of lecithin. Preferably the zero shear viscosity as found by viscosity/viscoelasticity measurement is 50 Pa∙s or greater.
A61K 47/06 - Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
A61K 47/24 - Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing atoms other than carbon, hydrogen, oxygen, halogen, nitrogen or sulfur, e.g. cyclomethicone or phospholipids
A61K 47/34 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
Provided is a method of manufacturing target substances with use of supercritical fluid chromatography, by which the following are achieved: solution of a problem at the time of sequential injections of samples containing the target substances; an increase of a treatment amount of separation per unit time; and improvement of efficiency in separation. The method includes the steps of: injecting the sample containing the target substances into a mobile phase; and returning composition of the mobile phase to a pre-change state after changing the composition of the mobile phase. The step of returning the composition of the mobile phase to the pre-change state after changing the composition of the mobile phase is performed during a period of time from detection of a peak of one of the target substances which is eluted latest from a column among the target substances separated by the supercritical fluid chromatography apparatus to injection of the next sample, whereby the problem is solved.
The present invention provides a cylindrical filter for a gas generator, including: a plurality of layers made of a porous metal plate in which a compressive strength (S1) of a predetermined region in at least one end in the height direction is set smaller than a compressive strength (S2) of a portion other than the S1 region, the porous metal plate being selected from the group consisting of expanded metal, metal lath, and perforated metal, and the S1 region corresponding to a region of 5 to 20% in length from both ends with respect to the overall height.
B01D 39/12 - Filter screens essentially made of metal of wire gauzeFilter screens essentially made of metal of knitted wireFilter screens essentially made of metal of expanded metal
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
B01D 46/52 - Particle separators, e.g. dust precipitators, using filters embodying folded material
A cylindrical filter for a gas generator includes, a plurality of layers made of a porous metal plate in which a compressive strength (S1) of a predetermined region in at least one end in the height direction is set smaller than a compressive strength (S2) of a portion other than the S1 region, the porous metal plate being selected from the group consisting of expanded metal, metal lath, and perforated metal, and the S1 region corresponding to a region of 5 to 20% in length from both ends with respect to the overall height.
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
B01D 39/12 - Filter screens essentially made of metal of wire gauzeFilter screens essentially made of metal of knitted wireFilter screens essentially made of metal of expanded metal
43.
CURABLE COMPOSITION, METHOD FOR MANUFACTURING AN EPOXY RESIN/INORGANIC POLYMER COMPOSITE MATERIAL USING SAID CURABLE COMPOSITION, AND EPOXY RESIN/INORGANIC POLYMER COMPOSITE MATERIAL
The disclosed curable composition contains: (A) a group 4 metal alkoxide partially modified by a carboxylic acid, each molecule of which has a functional group which reacts to hydroxyl groups or epoxy groups, or a polyvalent carboxylic acid anhydride; and (B) an epoxy compound. Said group 4 metal is preferably zirconium or titanium. Using the disclosed curable composition makes it easy to form a homogenous epoxy resin/inorganic polymer composite material that is highly transparent, has a high index of refraction, and comprises a cured epoxy resin and a group 4 metal oxide.
C08G 79/00 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
44.
CURABLE RESIN COMPOSITION FOR SCREEN PRINTING AND PRINTED WIRING BOARD
A curable resin composition for screen printing contains a cationic curable component (A) containing at least an epoxy compound, and a polymeric material (B) having a functional group that can form crosslinks by reacting with an epoxy group of the epoxy compound in a molecule. An epoxidized styrene-butadiene-styrene block copolymer or an epoxidized polybutadiene may be used as the polymeric material (B). The curable resin composition for screen printing enables protective films and insulating layers such as solder resists (surface layer insulating films) and interlayer insulating films, which are used in the production of printed wiring boards, to be directly drawn in high resolution by screen printing.
C08G 59/40 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the curing agents used
C08G 59/34 - Epoxy compounds containing three or more epoxy groups obtained by epoxidation of an unsaturated polymer
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
46.
RADICAL-POLYMERIZABLE RESIN, RADICAL-POLYMERIZABLE RESIN COMPOSITION, AND CURED MATERIAL THEREOF
Disclosed is a radical-polymerizable resin that has excellent flexibility of the cured material thereof, can, when being used as an adhesive, ease stress caused by a difference in coefficients of thermal expansion arising between adhesive and adherend during heating and cooling, and can prevent detachment at the adhesive interface and breakage and the like of the adherend. The radical-polymerizable resin is a resin obtained from the radical polymerization of the compounds represented by the belowmentioned formulae 1a to 1b, and the compounds represented by the belowmentioned formulae 2a to 2f, and is characterized by being liquid at 0°C and by the weight-average molecular weight being at least 500. Each symbol within the formulae is as defined in the description.
C08G 65/04 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
C08F 299/02 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
The present invention provides a gas generator (10) including, a tubular housing (12) including, on a circumferential surface thereof, at least two gas discharge port groups (16A, 16B) having a first gas discharge port group (16A) and a second gas discharge port group (16B), the second (16B) being separated axially from the first gas discharge port group (16A), both being closed by a seal member (17), a first closing member (30) having an ignition device (25) and a second closing member (14), closing one end and the other end of the tubular housing (12), respectively, opening pressures P1 and P2 for opening the first and second gas discharge port groups (16A, 16B), satisfying a relationship P1 < P2, the first gas discharge port group (16A) being positioned at a center portion in the axial direction of the tubular housing (12) or in the vicinity thereof, and the second gas discharge port group (16B) being positioned at a center portion between the first gas discharge port group (16A) and the second closing member (14) or in the vicinity thereof, respectively.
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
the first gas discharge port group being positioned at a center portion in the axial direction of the tubular housing or in the vicinity thereof, and the second gas discharge port group being positioned at a center portion between the first gas discharge port group and the second closing member or in the vicinity thereof, respectively.
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
A24D 3/00 - Tobacco smoke filters, e.g. filter-tips, filtering insertsFilters specially adapted for simulated smoking devicesMouthpieces for cigars or cigarettes
A24D 3/16 - Use of materials for tobacco smoke filters of inorganic materials
the space being communicated to a gas discharge path defined between the outer circumference cylindrical member and a side surface of the diffuser shell through a communicating portion.
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
Provided is a method for producing a (meth)acrylic acid ester with which a desired (meth)acrylic acid ester can be produced at an excellent yield. By means of the method for producing a (meth)acrylic acid ester, a tertiary alcohol represented by formula (3) and a (meth)acrylic acid halide represented by formula (4) are reacted in the presence of an organic metal compound and a tertiary amine to obtain a (meth)acrylic acid ester represented by formula (5). (5) The preferred method for producing a (meth)acrylic acid ester involves reaction in the presence of a polymerization inhibitor.
Provided is a radical polymerizable resin which has a low viscosity, has excellent workability, rapidly cures by exposure to heat and/or light, and forms a cured product having excellent pliability and heat resistance. A radical polymerizable resin composition is obtained by cation polymerization of an oxetane ring-containing (meth)acrylic acid ester compound represented by formula (1) (where R1 is a hydrogen atom or a methyl group, R2 is a hydrogen atom or an alkyl group, and A is a C4-20 straight-chain or branched-chain alkylene group) alone or together with another compound having cation polymerizability.
The present application provides a gas generator including: a cylindrical housing with a gas discharge port, one end of the tubular housing being closed by a closing member including a disk-shaped main body portion, an annular projection portion and the peripheral surface of the annular projection portion, a transfer charge chamber housing defining a transfer charge chamber charged with a transfer charge and being attached to the closing member, the transfer charge chamber housing having a cup-like shape including a flame-transferring hole at a bottom surface, a flange portion and a annular wall surface extending in the axial direction of the housing from the flange portion, being mounted such that the annular wall surface thereof is fitted into an annular groove, and being fixed by the flange portion pressed in the axial direction by a supporting member and a sealing member disposed in a remaining space of the annular groove and sealing between the tubular housing and the closing member.
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
The present application provides a gas generator including: a cylindrical housing with a gas discharge port, one end of the tubular housing being closed by a closing member including a disk-shaped main body portion, an annular projection portion and the peripheral surface of the annular projection portion, a transfer charge chamber housing defining a transfer charge chamber charged with a transfer charge and being attached to the closing member, the transfer charge chamber housing having a cup-like shape including a flame-transferring hole at a bottom surface, a flange portion and a annular wall surface extending in the axial direction of the housing from the flange portion, being mounted such that the annular wall surface thereof is fitted into an annular groove, and being fixed by the flange portion pressed in the axial direction by a supporting member and a sealing member disposed in a remaining space of the annular groove and sealing between the tubular housing and the closing member.
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
A gas generator includes, a housing having a defining a first combustion chamber, an ignition chamber cup, defining an ignition chamber, and a combustion chamber cup, defining a second combustion chamber, being aligned at a distance in a radial direction, a first communication hole communicating the ignition chamber with the first combustion chamber being provided in a circumferential wall portion of the ignition chamber cup, a second communication hole communicating the second combustion chamber with the first combustion chamber being provided in a circumferential wall portion of the combustion chamber cup, a cup-shaped cover member covering the combustion chamber cup and closing the second communication hole, a disk-shaped retainer retaining a gas generating agent, being provided with a first opening for fitting the ignition chamber cup and a second opening for fitting the combustion chamber cup, an annular gap being formed between the second opening and the cover member.
B60R 21/263 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using a variable source, e.g. plural stage or controlled output
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
56.
Gas generator having combustion chamber including cushion member
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
The present invention provides a gas generator including: a housing and a first combustion chamber, an ignition chamber cup and a second combustion chamber cup, a first communication hole, a second communication hole, a cup-shaped cover member covering the second combustion chamber cup and closing the second communication hole, a disk-shaped retainer.
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
58.
GAS GENERATOR HAVING COMBUSTION CHAMBER INCLUDING CUSHION MEMBER
The present invention provides a gas generator for a restraining apparatus of a vehicle, including a combustion chamber, a tabular cushion member being disposed on a bottom portion of the combustion chamber, the solid gas generating agent as a gas generating source, being charged in the combustion chamber inside the gas generator together with the cushion member, the combustion chamber being substantially in a cup shape in which an inner diameter (D1) of an opening is smaller than an inner diameter (D2) of the bottom portion, the cushion member including a circular portion serving as a base part and a plurality of protrusions protruding from a peripheral edge of the circular portion, an outer diameter (d1) of the circular portion and the inner diameter (D1) of the opening satisfying a relationship of d1 < D1, and an outer diameter (d2) including the protrusions satisfying relationships of d2 > D1 and d2 ≤ D2.
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
F42B 39/24 - Shock-absorbing arrangements in packages
59.
METHOD FOR PRODUCING RUTILE-TYPE TITANIUM OXIDE HAVING (001) CRYSTAL PLANE
Provided is a method for producing a rutile-type titanium oxide having high photocatalytic activity. The method for producing a rutile-type titanium oxide is characterized in that a rod-shaped rutile-type titanium oxide having (001) (110) and (111) crystal planes is obtained by performing hydrothermal treatment for two or more hours on a tetravalent titanium compound in an aqueous medium at a reaction temperature of 110°C to 220°C, under a pressure at least as high as the saturated vapor pressure at the reaction temperature. Titanium tetrachloride is preferred as the tetravalent titanium compound, and the concentration of the tetravalent titanium compound in the aqueous medium is preferably within the range of 1.5 to 17.0 wt% (titanium equivalent).
A gas generator includes, a housing having a circumferential wall portion defining a gas discharge port, a first end, and a second end, the first and second ends being closed, a cup-shaped inner tube member disposed in the housing, an inside thereof accommodating an ignition device, an outside thereof being a combustion chamber charged with a gas generating agent, a bottom surface of the inner tube member being located in a bottom plate of the first end of the housing, an opening end portion of the inner tube member being provided with a ventilating portion for allowing a combustion product to pass therethrough, an igniter attached to an igniter attaching portion formed at the second end of the housing, and a passage for the combustion product formed between an inner wall surface of the inner tube member and the igniter attaching portion, and reaching the ventilating portion.
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
61.
METHOD FOR PRODUCING DIARYL DERIVATIVE, NOVEL BINAPHTHYL DERIVATIVE, METHOD FOR PRODUCING ARENE DERIVATIVE AND NOVEL ARENE DERIVATIVE
Disclosed are a novel binaphthyl derivative, a novel formylarene derivative and a method capable of producing diaryl derivatives having an asymmetric structure or formylarenes having two specific substituent groups. Using a diformyl-diaryl derivative having axial asymmetry or a formylarene as the starting material, trifluoromethanesulfonic acid and N,N'-diiodo-5,5-dimethylhydantoin are reacted under mild conditions and a formyldiaryl derivative with trifluoromethylsulfonyloxy groups introduced at the 4 and 4' positions or a formylarene derivative with a trifluoromethylsulfonyloxy group and iodine introduced therein is obtained in a single reaction process.
C07C 303/26 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfonic acids
C07C 303/30 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfonic acids by reactions not involving the formation of esterified sulfo groups
C07C 309/65 - Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms of a saturated carbon skeleton
62.
RESIN COMPOSITION FOR SEALING AN OPTICAL SEMICONDUCTOR AND OPTICAL SEMICONDUCTOR DEVICE USING SAID RESIN COMPOSITION
Disclosed is a resin composition for sealing an optical semiconductor, said resin composition containing an epoxy resin, a hardener, and a hardening accelerator. Between 55% and 100% of the total weight of the epoxy resin in the disclosed resin composition is an alicyclic epoxy resin (A) consisting of at least one compound selected from among: compounds represented by formula (I); compounds in which an epoxy group is bonded to an alicycle via a direct single bond; and compounds having at least three epoxy groups each comprising adjacent two carbon atoms and an oxygen atom that are part of an alicycle. The hardener in the disclosed resin composition is an acid anhydride hardener, and the hardening accelerator is an ionic conjugate of the phosphonium ion represented by formula (1) with a halogen anion capable of forming an ion pair with the phosphonium ion.
C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material
H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
Disclosed is a curable composition which produces a cured resin with high Abbe numbers, a high light transmission index and a high refractive index with optical and physical characteristics resistant to change under high temperature conditions. The curable composition contains an epoxy compound (A) with an alicycle in one molecule, a (meth)acryl ester (B) with an alicycle in one molecule, and a (meth)acryl ester (C) with an epoxy group in one molecule. The (meth)acryl ester (C) with an epoxy group in one molecule can use at least one compound selected from a (meth)acryl ester containing an alicyclic epoxy group and a (meth)acryl ester containing a glycidyl group.
C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
C08F 220/32 - Esters containing oxygen in addition to the carboxy oxygen containing epoxy radicals
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
Disclosed is a curable composition which produces a cured resin resistant to yellowing even under high temperature conditions such as reflow method soldering. The curable composition comprises a cationic polymer compound and at least one organic sulphur compound selected from the group of thiol compounds, dithiol compounds, sulphide compounds and disulphide compounds. It is preferable that the organic sulphur compound has a boiling point of 100°C or above. Additionally, it is preferable that the cationic polymer compound is composed of at least one of the group of epoxy compounds, oxetane compounds and vinyl ether compounds.
C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
C08F 16/12 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical by an ether radical
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
Disclosed is a curable composition which can be used to produce a cured resin with a low Abbe number, a high light transmission index and a high refractive index with optical and physical characteristics resistant to change even under high temperature conditions. The curable composition contains an epoxy compound with aromatic rings (A), a (meth)acryl ester (B) with aromatic rings and a (meth)acryl ester (C) with an epoxy group in one molecule. As the (meth)acryl ester (C) with an epoxy group in one molecule, one compound selected from a (meth)acryl ester containing an alicyclic epoxy group and a (meth)acryl ester containing a glycidyl group can be used.
C08F 2/44 - Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
C08F 220/32 - Esters containing oxygen in addition to the carboxy oxygen containing epoxy radicals
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
Disclosed is an oil composition for cosmetic preparations, which is highly compatible with makeup dirt even when the skin is wet and can completely remove the makeup dirt by water washing without leaving a greasy feeling. Specifically disclosed is an oil composition for cosmetic preparations, which contains 1-30% by weight of a polyglycerol monoalkyl ether represented by formula (1), 1-30% by weight of a polyglycerol monoalkyl ether represented by formula (2), and 40-98% by weight of at least one oil component selected from among silicone oils, ester oils and triglycerols. R1O-(C3H6O2)n1-H (1) (In formula (1), R1 represents a hydrocarbon group with 12-22 carbon atoms, which may have a hydroxyl group; and n1 represents the average polymerization degree of glycerol, which is a number of 1.0-4.5.) R2O-(C3H6O2)n2-H (2) (In formula (2), R2 represents a hydrocarbon group with 8-22 carbon atoms, which may have a hydroxyl group; and n2 represents the average polymerization degree of glycerol, which is a number of 5-20.)
Provided is a cationically polymerizable resin which can be quickly cured by irradiation with light and which can yield cured products with excellent flexibility and heat resistance. The cationically polymerizable resin is obtained by radical -polymerizing an oxetane-ring-containing (meth)acryloyl compound represented by formula (1) alone or together with other radical-polymerizable compound. In formula (1), R1 is a hydrogen atom or methyl; R2 is a hydrogen atom or alkyl; and A is C2-20 linear or branched alkylene.
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
Disclosed is a cleansing composition containing soap, which has excellent solubility in water and excellent hard water resistance. Specifically disclosed is a cleansing composition which contains a polyglycerol monoalkyl ether represented by formula (1) below and a fatty acid alkali metal salt having 6-22 carbon atoms. RO-(C3H6O2)n-H (1) (In the formula, R represents a linear or branched aliphatic hydrocarbon group having 14-24 carbon atoms; and n represents an average polymerization degree of glycerol, which is a number of 8-20.)
The present invention provides a gas generator, including: in a tubular housing, a first combustion chamber (20) defined by a first perforated-plate member (14) on one end side in the tubular housing a tubular member (30) disposed in the remaining inner space of the tubular housing (10) and having a communication hole (37), a second-perforated plate member (32) disposed between the first perforated-plate member and the tubular member, a second combustion chamber (25), the tubular member being disposed so that a gap (35) is formed between the peripheral wall portion of the tubular housing and the tubular member.
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
Disclosed is a cellulose acetate that enables a cellulose acetate optical film, which expresses optical properties when stretched, to achieve excellent stretchability and excellent optical properties after being stretched. Specifically disclosed is a cellulose diacetate for a retardation film, which has a total degree of substitution of acetyl groups of 2.27-2.56. The cellulose diacetate for a retardation film is characterized by having a degree of dispersion (Mw/Mn) of more than 3.0 but 7.5 or less, a degree of substitution at the 6-position of 0.65-0.85, a half width of the distribution of the degree of acetylation of 1.0-2.3 and a viscosity average degree of polymerization of 182-213 (inclusive). It is preferable for the cellulose diacetate for a retardation film to have a 6% viscosity of 120-230 mPa·s and a weight average molecular weight (Mw) of 205,000-235,000 (inclusive).
The present invention provides a gas generator including a combustion chamber (14) formed inside a housing (13) having a gas discharge port (21), a disk- shaped gas generating agent (17) stacked and loaded or a single tubular gas generating agent loaded in the combustion chamber in the axial direction of the housing, an igniter (16) disposed inside the combustion chamber to enclose the igniter and fixed to a bottom surface (22a) of the housing by a fixing member (26), the fixing member including a fixing portion (26a) for the igniter and a plurality of elastic rod- like gas generating agent support portions (26b) extending in the radial direction of the housing from the fixing portion, the gas generating agent support portions abutting against a surface of the gas generating agent opposing the bottom surface of the housing, and the gas generating agent being pressed and fixed between the gas generating agent support portions and a top surface of the housing.
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
the tubular member being disposed so that a gap is formed between the peripheral wall portion of the tubular housing and the tubular member, the tubular member having a first opening end portion abutting against the inner peripheral surface of the tubular housing in the side of the first perforated-plate member and a second end portion supported in the side of the diffuser portion.
B60R 21/261 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow with means other than bag structure to diffuse or guide inflation fluid
B60R 21/263 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using a variable source, e.g. plural stage or controlled output
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
Provided are: a curable epoxy resin composition characterized by comprising (A) an alicyclic epoxy compound, (B) a monoallyl diglycidyl isocyanurate compound represented by general formula (1) [wherein R1 and R2 are each a hydrogen atom or C1-8 alkyl], and (C) a curing agent or (D) a curing catalyst; and cured products obtained by curing the curable epoxy resin composition. It is preferable that the alicyclic epoxy compound (A) is a cyclohexene oxide compound.
Water treated with a reverse osmosis membrane device (12) is introduced into a circulation line (23) and sprinkled from spray nozzles (14) onto outdoor units (heat exchangers) (15a to 15d). Since the treated water contains none of Ca, Mg, and Cl ions and the like, scale deposition does not occur on the heat exchangers (15a to 15d) and a high cooling effect can be maintained.
Disclosed is a gas-generating agent composition in which the pressure index and the dependence of the burning rate on pressure are extremely low. The gas generating composition, which comprises a nitrogen-containing organic compound as fuel and an ammonium nitrate as an oxidizing agent, is characterized in that the ratio of the nitrogen-containing organic compound and the ammonium nitrate (former/latter; weight ratio) is no more than 35/65. In the gas-generating agent composition, a copper compound may be further combined in a ratio in the range of more than 0 parts by weight to 30 parts by weight per 100 parts by weight of the total amount of the nitrogen-containing organic compound and the ammonium nitrate. A basic copper nitrate is preferable as the aforementioned copper compound. Additionally, a guanidine derivative, particularly a guanidine nitrate, is preferable as the aforementioned nitrogen-containing organic compound.
C06D 5/00 - Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
C06B 31/00 - Compositions containing an inorganic nitrogen-oxygen salt
C06B 31/28 - Compositions containing an inorganic nitrogen-oxygen salt the salt being ammonium nitrate
C06B 43/00 - Compositions characterised by explosive or thermic constituents not provided for in groups
C06B 45/36 - Compositions or products which are defined by structure or arrangement of component or product comprising a coated component the component base containing both an organic explosive or thermic component and an inorganic explosive or thermic component
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
77.
Method for producing a target substance using a simulated moving bed chromatography separation system
Disclosed is a method for producing a target substance by separating it from a mixture using a simulated moving bed chromatography (SMBC) separation system, which can minimize decreases in separation performance due to interference from a liquid accumulation portion. A material, in which the target substance in the material can be separated using a first SMBC separation system that meets a first condition, is processed to separate and produce the target substance from the material using a second SMBC separation system that meets a second condition, wherein the particle size of a separating agent and fill length of a column tube are both greater, the pressure loss by the column is substantially the same, and the volume ratio of liquid accumulation portions in the endless flow passage of the SMBC separation system is lower.
Provided is a novel oxetane-ring-containing (meth)acrylic acid ester compound that, via polymerization, can harden into a material that is highly flexible or heat-resistant. The provided oxetane-ring-containing (meth)acrylic acid ester compound is represented by formula (1). In the formula, R1 represents a hydrogen atom or an alkyl group, R2 represents a hydrogen atom or a methyl group, and A represents either a straight-chain alkylene group represented by formula (a1) or a branched-chain alkylene group represented by formula (a2).
C07D 305/06 - Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring atoms
C08F 20/26 - Esters containing oxygen in addition to the carboxy oxygen
An optical semiconductor sealing resin composition includes a rubber-particle-dispersed epoxy resin (A) containing an alicyclic epoxy resin and, dispersed therein, rubber particles, in which the rubber particles comprise a polymer including one or more (meth)acrylic esters as essential monomeric components and have a hydroxyl group and/or a carboxyl group in a surface layer thereof as a functional group capable of reacting with the alicyclic epoxy resin, the rubber particles have an average particle diameter of 10 nm to 500 nm and a maximum particle diameter of 50 nm to 1000 nm, and the difference in refractive index between the rubber particles and a cured article obtained from the optical semiconductor sealing resin composition is within ±0.02. The optical semiconductor sealing resin composition can give a cured article which exhibits excellent cracking resistance while maintaining satisfactory thermal stability and high transparency.
A; and a co-catalyst including a halogen-containing organic acid, to give the corresponding amide or lactam, wherein, when the aromatic compound (A1) alone is used as the catalyst, the solvent is at least one solvent selected typically from hydrocarbon solvents. The production process can yield amides or lactams simply in high yields without causing large amounts of by-products such as ammonium sulfate.
Disclosed is a gel-like composition which has satisfactory levels of safety, storage stability and versatility for the use for wide applications including cosmetics and pharmaceutical base materials and also has excellent productivity. The gel-like composition comprises 0.1 to 20 wt% of a polyglycerin monoalkyl ether represented by formula (1): RO-(C3H6O2)n-H (wherein RO represents an alkoxy having 12 to 22 carbon atoms; and n represents the degree of polymerization of glycerin and is 4 to 100), an aqueous component in an amount of 0.65 to 1.5 times by weight relative to the content of the polyglycerin alkyl ether, and 50 to 99.835 wt% of an oily component.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
A61K 8/02 - Cosmetics or similar toiletry preparations characterised by special physical form
A61K 8/33 - Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
Disclosed is an oil composition for cosmetics which is highly compatible with makeup stains whether the skin is wet or dry, enables the complete removal of the makeup stains by water-washing without giving an oily or greasy feeling, has a high safety and remains stable over a long period of time. Also disclosed is a cleansing cosmetic comprising said oil composition for cosmetics. The aforesaid oil composition for cosmetics is characterized by comprising 1-30 wt% of a medium-chain polyglyerol monoalkyl ether, 1-30 wt% of a long-chain polyglycerol monoalkyl ether and 40-98 wt% of at least one kind of oily component selected from among a silicone oil, an ester oil and a triglycerol.
A gas generating composition exhibiting good slag forming ability is provided.
The gas generating composition includes a fuel ranging from 10 to 60% by mass, an oxidizing agent ranging from 10 to 70% by mass, and a cooling agent (other than iron oxide) ranging from 1 to 20% by mass. The cooling agent has a volume mean diameter (D50) of 10 to 70 μm and a volume mean diameter at cumulative of 10% (D10) of equal to or greater than 5 μm. The cooling agent acts to decrease the combustion temperature and improve slag forming ability.
C06B 31/00 - Compositions containing an inorganic nitrogen-oxygen salt
C06B 45/04 - Compositions or products which are defined by structure or arrangement of component or product comprising solid particles dispersed in solid solution or matrix
C06B 31/02 - Compositions containing an inorganic nitrogen-oxygen salt the salt being an alkali metal or an alkaline earth metal nitrate
C06B 23/04 - Compositions characterised by non-explosive or non-thermic constituents for cooling the explosion gases
C06D 5/06 - Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets by reaction of two or more solids
84.
RUTILE TITANIUM DIOXIDE NANOPARTICLES EACH HAVING NOVEL EXPOSED CRYSTAL PLANE AND METHOD FOR PRODUCING SAME
Disclosed are: novel rutile titanium dioxide nanoparticles which have high photocatalytic activity; a photocatalyst which is composed of the rutile titanium dioxide nanoparticles; and a method for oxidizing an organic compound, wherein the photocatalyst is used. The rutile titanium dioxide nanoparticles are characterized by having an exposed crystal plane (001). The rutile titanium oxide nanoparticles are able to be produced by subjecting a titanium compound to a hydrothermal treatment in an aqueous medium in the presence of a hydrophilic polymer. A polyvinylpyrrolidone or the like is used as the hydrophilic polymer. An organic compound having a moiety to be oxidized can be oxidized by a molecular oxygen or a peroxide by being irradiated with light in the presence of a photocatalyst that is composed of the rutile titanium oxide nanoparticles.
A polycyclic ester containing a cyano group and a lactone skeleton, represented by following Formula (1):
a)COO— group may have either of an endo conformation and an exo conformation. Accordingly, there is provided a novel polycyclic ester containing a cyano group and a lactone skeleton which is useful typically as a monomeric component for highly functional polymers. A polymer, for example, derived from this compound is highly soluble in an organic solvent while remaining stable typically to chemicals and exhibits improved hydrolyzability and/or improved solubility in water after hydrolysis.
C07D 307/93 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
C08G 61/04 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
A disc inflator having gas cooling and mist removal functions, and reduced in weight and in size in a radial direction. An inflator case (40) has an upper case (36) at an occupant side and a lower case (38) at a side opposite an occupant. A tubular holding member (60) having a separation wall (64) at a base portion thereof is provided in the inflator case. A gas flow path (74) is formed at a periphery of the holding member (60), and communication holes (80) communicating with the gas flow path (74) are formed in the separation wall (64). At a peripheral wall portion (36B) of the upper case (36) is formed a gas ejection hole (76) at a position offset towards an occupant side only by a distance δ from a central position P of a combustion chamber (68). Accordingly, a length (L1) of a flow path from the starting end of the flow path to the gas ejection hole (76) increases, enabling effective heat exchange of a high temperature gas and removal of mist (82). Thereby, a conventionally used filter may be disposed of.
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
C06D 5/00 - Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
87.
PROCESS FOR PRODUCTION OF ARYL ESTER THAT HAS ALCOHOLIC HYDROXYL GROUP
A process for the production of an aryl ester that has an alcoholic hydroxyl group in the molecule, which comprises reacting a compound that has both an alcoholic hydroxyl group and a phenolic hydroxyl group in the molecule with a compound represented by general formula (a), (b), (c), (d), (e) or (f) in the presence of a base having a pKa of 10 to 15.5 to esterify only the phenolic hydroxyl group: R1C(=O)OCOR2 (a) R1COX (b) R3NHCOX (c) R3N=C=O (d) R4OC(=O)X (e) R5SO2X (f) [wherein R1 and R2 may be the same or different and are each a hydrogen atom or a hydrocarbon group; R3, R4 and R5 are each a hydrocarbon group; and X is a halogen atom]. The process makes it possible to produce an aryl ester that has an alcoholic hydroxyl group in the molecule industrially and efficiently at a low cost through good operation in a high yield.
C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C07C 69/16 - Acetic acid esters of dihydroxylic compounds
A packaging method for a filter tow bale includes, including excessively compressing a distance between press bases to a height lower than a desired height of a packaged bale by 50 to 250 mm, more preferably 80 to 200 mm, further preferably 90 to 180 mm, then adjusting the distance between the press bases to the desired height in a packaged or non-packaged state, and then releasing a pressing force applied on a pressed bale.
Disclosed is a cationically polymerizable resin composition which comprises: a vinyl ether compound (A) containing an oxetane ring and/or a vinyl ether compound (B) containing an alicycle-bonded epoxy group; and an oligomer or polymer (C) having a molecular weight of 500 or higher that comprises at least one of structures represented by formulae (1a) to (1f) (wherein RX represents a hydrogen atom or methyl, R1 to R3 each independently represents a C1-5 hydrocarbon group, a is an integer of 0-5, and b is 1 or 2) and is liquid at 0ºC. This cationically polymerizable resin composition has low viscosity and is easy to process. The composition cures extremely rapidly upon irradiation with light and can give a cured object which has excellent flexibility and heat resistance and shows excellent flexing characteristics after heat treatment.
C08F 290/12 - Polymers provided for in subclasses or
C08G 59/20 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the epoxy compounds used
C08G 65/22 - Cyclic ethers having at least one atom other than carbon and hydrogen outside the ring
Disclosed is a polarizing element which can be obtained by a simple method and is capable of exhibiting excellent polarization characteristics and scattering characteristics. Specifically disclosed is a polarizing element which is configured of a stretched sheet obtained by uniaxially stretching a sheet that is formed by melt-mixing and molding a polycarbonate resin and a transparent resin, in said stretched sheet dispersed phases that are configured of the transparent resin being dispersed in the form of particles in the continuous phase that is configured of the polycarbonate resin. In the polarizing element, the absolute value of the refractive index difference of the continuous phase between the stretching direction and the direction perpendicular to the stretching direction is less than 0.05, the absolute value of the refractive index difference of the dispersed phases between the stretching direction and the direction perpendicular to the stretching direction is not less than 0.05, the refractive index difference between the continuous phase and the dispersed phases with respect to linearly polarized light in the stretching direction is different from that in the direction perpendicular to the stretching direction, and the reflectance of polarized light parallel to the stretching direction is not less than 30%.
1 represents, e.g., a halogen or an alkyl or haloalkyl group having 1 to 6 carbons; “A” represents an alkylene group having 1 to 6 carbons, oxygen, sulfur, or is nonbonding; “m” denotes an integer of 0 to 8; Xs each represent an electron-withdrawing substituent; “n” denotes an integer of 1 to 9; and Y represents a bivalent organic group having 1 to 6 carbons. The monomer is useful as a monomer component typically for a highly functional polymer, because, when the monomer is applied to a resist resin, the resin is stable and resistant to chemicals, is highly soluble in organic solvents, and has improved hydrolyzability and/or solubility in water after hydrolysis.
C07D 317/06 - Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 2 condensed with carbocyclic rings or ring systems
A gas generator includes, a tubular housing, an ignition device attached to one end and a diffuser having a gas discharge port, attached to the other end of the housing, a tubular member, having first and second ends, disposed inside the housing such that the first and second ends are oriented towards the ignition device side and the diffuser side, respectively, and forming a tubular gap leading to the gas discharge port, a combustion chamber provided inside the tubular member, first and second gas passage holes formed on the first and second end sides, respectively, and an opening portion formed between the first and second gas passage holes, such that the gas passage holes and the opening portion communicate the combustion chamber with the tubular gap, and a projecting portion projecting from the opening portion into at least one of the combustion chamber and the tubular gap.
National University Corporation Okayama University (Japan)
Daicel Chemical Industries, Ltd. (Japan)
Inventor
Ema, Tadashi
Sakai, Takashi
Tanida, Daisuke
Sugita, Kyoko
Ohnishi, Atsushi
Miyazawa, Kenichiro
Abstract
A novel optical-isomer separating agent for chromatography is provided which has, as a chiral selector, a macrocyclic amide compound having the ability to function as a chiral shift agent. The optical-isomer separating agent for chromatography is formed by bonding, with a carrier by chemical bonding, a specific ring structure containing an asymmetry recognition site, an amide group as a hydrogen-bond donor site, and a hydrogen-bond acceptor site.
Gas generator including: a tubular housing (10), an ignition device (16) attached at one end and a diffuser (12) having a gas discharge port (20), attached at the other end, a tubular member (30), being disposed inside the tubular housing (10) and a tubular gap (36) leading to the gas discharge port is formed, a combustion chamber (25) provided inside the tubular member (30) for accommodating a gas generating agent, a first gas passage hole and a second gas passage hole formed on the first end side and the second end side, respectively, and an opening portion formed between the first gas passage hole and the second gas passage hole, such that they are communicating the combustion chamber (25) with the tubular gap (36), a projecting portion (50) provided in the opening portion such that the projecting portion projects into at least one of the combustion chamber (25) and the tubular gap (36).
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
B60R 21/272 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous release of stored pressurised gas with means for increasing the pressure of the gas just before or during liberation, e.g. hybrid inflators
NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY (Japan)
Inventor
Yashima, Eiji
Tamura, Kazumi
Abstract
Disclosed is an agent for resolving an optical isomer, which has an excellent optical resolution ability. Specifically disclosed is an agent for resolving an optical isomer, which comprises a carrier and an inclusion complex supported on the carrier, wherein the inclusion complex comprises a polymeric compound having a hydroxy group or an amino group and a π-conjugated polymer included in the polymeric compound.
Provided is a transmission type volume hologram recording medium used in a two-beam hologram recording system, having a high diffraction efficiency and capable of remarkably reducing the intensity of higher order diffracted light, which is a cause of a noise, than first-order diffracted light. A transmission type volume hologram recording medium has a volume hologram recording medium layer of a volume hologram recording photosensitive composition, which is held between opposed substrates having different materials. Each of the substrates which hold therebetween the volume hologram recording medium has a transparency in a visible light area, and preferably has a thickness in the range of 2 to 2000 μm. Also, a difference in refractive index between the two substrates which hold therebetween the volume hologram recording medium is preferably 0.001 to 0.5. Moreover, preferably, a difference in thickness between the two substrates which hold therebetween the volume hologram recording medium is in the range of 1 to 1500 μm.
G03H 1/02 - Holographic processes or apparatus using light, infrared, or ultraviolet waves for obtaining holograms or for obtaining an image from themDetails peculiar thereto Details
G11B 7/0065 - Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
G11B 7/24 - Record carriers characterised by shape, structure or physical properties, or by the selection of the material
G11B 7/26 - Apparatus or processes specially adapted for the manufacture of record carriers
The present invention provides a gas generator for a restraining device of a vehicle, including:
a housing being made of a resin, forming an outer shell container, having a plurality of gas discharge ports,
an ignition device disposed inside the housing,
a gas generating agent that is ignited and burned by activation of the ignition device,
each of the gas discharge ports being formed in combination with each of a plurality of through holes of an annular plate member that is embedded in a circumferential wall surface of the housing and formed of a material selected from the group consisting of metals, ceramics, and carbon fiber, and
the annular plate member being formed of an annular base plate including the plurality of through holes formed therein.
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
The present invention provides a gas generator (10) for a restraining device of a vehicle, including: a housing (16) being made of a resin, forming an outer shell container, having a plurality of gas discharge ports (40), an ignition device (18) disposed inside the housing (16), a gas generating agent (20) that is ignited and burned by activation of the ignition device (18), each of the gas discharge ports (40) being formed in combination with each of a plurality of through holes of an annular plate member (48) that is embedded in a circumferential wall surface of the housing (16) and formed of a material selected from the group consisting of metals, ceramics, and carbon fiber, and the annular plate member (48) being formed of an annular base plate including the plurality of through holes (68) formed therein.
B60R 21/264 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
99.
Surface-modified nanodiamond and its producing method
wherein X represents single bond, —NH—, —O—, —COO—, —PH(═O)O—, or —S—; and R represents a polyglyceryl group. X may be single bond or —NH—. The surface-modified nanodiamond is highly soluble or dispersible satisfactorily stably in water and/or polar organic solvents.
C08G 59/00 - Polycondensates containing more than one epoxy group per moleculeMacromolecules obtained by reaction of epoxy polycondensates with monofunctional low-molecular-weight compoundsMacromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
100.
CATION-POLYMERIZABLE RESIN COMPOSITION AND CURED PRODUCT THEREOF
A cation-polymerizable resin composition is provided which has a low viscosity, is easy to work with, and cures extremely rapidly when irradiated with light to obtain a cured product with excellent transparency, flexibility, heat resistance and post heat-treatment flexion. The cation-polymerizable resin composition of the present invention is characterized by containing: (A) an oxetane ring-containing vinyl ether compound, and/or (B) an alicyclic epoxy group-containing vinyl ether compound; (C) an oligomer or polymer having a molecular weight of at least 500 and having at least one of an oxetane group, epoxy group, hydroxyl group, vinyl ether group, an aliphatic or alicyclic unsaturated hydrocarbon group within the molecule; and (D) an oxetane compound having at least 6 carbon atoms and not having a vinyl ether group.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09D 163/00 - Coating compositions based on epoxy resinsCoating compositions based on derivatives of epoxy resins
C09K 3/10 - Materials not provided for elsewhere for sealing or packing joints or covers
G02B 6/12 - Light guidesStructural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
G02B 6/122 - Basic optical elements, e.g. light-guiding paths
H01L 21/027 - Making masks on semiconductor bodies for further photolithographic processing, not provided for in group or
patents
