12 α-olefin comonomer in the second reactor in the presence of a catalyst system, selected from Ziegler-Natta catalyst or metallocene, and in the presence of hydrogen in an amount obtained in step (b) to obtain a first high molecular weight polyethylene or a first ultra high molecular weight polyethylene in the form of a homopolymer or a copolymer and transferring a resultant mixture to the third reactor; and (d) polymerizing ethylene, and optionally α-olefin comonomer in the third reactor in the presence of a catalyst system, selected from Ziegler-Natta catalyst or metallocene, and hydrogen, wherein the amount of hydrogen in the third reactor is in a range of 1-70% by mol, preferably 1-60% by mol with respect to the total gas present in the vapor phase in the third reactor or optionally substantial absence of hydrogen to obtain a second high molecular weight polyethylene or a second ultra high molecular weight polyethylene homopolymer or copolymer; and a multimodal polyethylene composition obtainable this way.
A floating arrangement may include at least one support-floatation-unit for supporting a solar panel, the at least one support-floatation-unit has a main body having a flat base and at least one connection portion; and at least one connecting-floatation-unit having a flat base and at least one connection portion. The respective corner-connection-portions may be coupled together to form a connection joint connecting the support-floatation-unit and the connecting-floatation-unit in a side-by-side arrangement. A height from the base of the support-floatation-unit to the connection joint may be larger than a height from the base of the connecting-floatation-unit to the connection joint such that the base of the support-floatation-unit may extend downwards from the base of the connecting-floatation-unit by a depth which defines an additional displacement volume of the support-floatation-unit configured to provide additional buoyancy to support the solar panel.
B63B 35/44 - Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
B63B 1/14 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected resiliently
A connection assembly having a nut and a first-snap-fit-engagement-arrangement. The connection assembly further has a first body with a first lug having a second-snap-fit-engagement-arrangement. The nut is coupled to the first lug with the nut, in a manner so as to engage the first-snap-fit-engagement-arrangement with the second-snap-fit-engagement-arrangement such that the nut is non-movable relative to the first lug. The connection assembly further has a second body with a second lug. The second lug is placed over the first lug and a bolt is inserted through respective through-holes of the first lug and the second lug and threaded through a threaded hole of the nut.
The present invention relates to catalysts, catalyst systems, and processes for the production of valuable light olefins, such as C2-C4 olefins (ethylene, propylene, and/or butenes) from paraffinic hydrocarbons, such as propane, through dehydrogenation and metathesis. Some particular aspects relate to the discovery of non-precious metal catalysts and catalyst systems utilizing such catalysts, for example in the case of being in an admixture with a metathesis catalyst, which advantageously exhibit high performance in terms of activity, selectivity, and stability. Other advantages can include a reduced production of byproducts (e.g., methane and ethane) that result from undesired side reactions, in addition to benefits that may be attained through the addition of a sulfur-bearing compound (e.g., H2S).
B01J 29/78 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereof of types characterised by their specific structure not provided for in groups containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
B01J 19/24 - Stationary reactors without moving elements inside
C07C 5/32 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
C07C 6/04 - Metathesis reactions at an unsaturated carbon-to-carbon bond at a carbon-to-carbon double bond
5.
Method and catalyst for the production of 1,3-butadiene from ethanol
B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
B01J 29/40 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
B01J 35/30 - Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
C07C 1/24 - Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as hetero atoms by elimination of water
6.
CATALYST FOR CATALYTIC CRACKING OF ETHYLENEDICHLORIDE TO VINYL CHLORIDE
The present invention provides an N-doped activated-carbon catalyst composition for essentially metal-free catalytic conversion of ethylenedichloride (EDC) into vinyl chloride monomer (VCM), wherein the N-doped activated-carbon catalyst composition comprises a support having deposited thereon a catalytically active nitrogen and one or more alkaline or alkaline earth metals and wherein the support is carbon-based porous material. In specific embodiments, the N-doped activated-carbon catalyst composition is prepared by treating activated-carbon with nitrogen precursor such as ammonia gas, urea, ammonium hydroxide or a combination thereof.
Polyethylene composition comprising a melt blend, the melt blend comprising: a) a first multimodal polyethylene, the first multimodal polyethylene having a medium weight average molecular weight of a high weight average molecular weight, a density of more than 0.950 to 0.965 g/cm3 according to ISO 1183 and a MFR2 of 0.3 to 2.0 g/10 min according to ISO 1133; and b) a second multimodal polyethylene, the second multimodal polyethylene having a high weight average molecular weight, a density of 0.940 to 0.950 g/cm3 according to ISO 1183 and a MFR2 of 0.03 to 0.15 g/10 min according to ISO 1133; wherein the polymer composition has a Full Notch Creep Test (FNCT) according to ISO 16770 of at least 58 hours and a Charpy impact strength at a temperature of 23° C. of at least 4 kJ/m2 according to ISO 179.
A solid-liquid separator including a hollow structure. The hollow structure may include a separator portion having a solid-liquid-mixture inlet and a curved-funnel-shaped inner separator surface. The hollow structure may further include a collector portion having a frustoconically-shaped inner liquid guide surface. The separator portion and the collector portion may be disposed such that a spout of the curved-funnel-shaped inner separator surface and a narrower end of the frustoconically-shaped inner liquid guide surface may be directed towards each other.
B01D 21/24 - Feed or discharge mechanisms for settling tanks
B01D 21/26 - Separation of sediment aided by centrifugal force
B04C 1/00 - Apparatus in which the main direction of flow follows a flat spiral
E03D 5/014 - Special constructions of flushing devices combined with movable closure elements in the bowl outlet with devices for separate removal of liquids and solids
9.
High emissivity coating composition and substrate coated therewith
The present invention relates to a thermal emissivity coating composition comprising: a) an emissivity agent in an amount from 30 to 65% by weight with respect to the total weight of the thermal emissivity coating composition; b) a filler selected from the group consisting of oxides of aluminum, silicon, magnesium, calcium, boron and mixtures of two or more thereof, in an amount from 10 to 35 wt % with respect to the total weight of the thermal emissivity coating composition; and c) a binder in an amount from 12 to 52 wt % with respect to the total weight of the thermal emissivity coating composition; wherein the emissivity agent comprises cobalt oxide in an amount from 10 to 25 wt %, preferably 12 to 25 wt % with respect to the total weight of the thermal emissivity coating composition and further comprises chromium oxide and titanium oxide.
C04B 28/34 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
B01J 29/16 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereof of the faujasite type, e.g. type X or Y containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
B01J 37/00 - Processes, in general, for preparing catalystsProcesses, in general, for activation of catalysts
B01J 37/02 - Impregnation, coating or precipitation
Herein disclosed is a catalyst composition for preparation of an ultra-high molecular weight polyethylene (UHMWPE) from a reaction of an ethylene in the presence of the catalyst composition, wherein the catalyst composition includes a catalyst compound having a structure according to formula A shown below, a co-catalyst, and optionally a modifier: Formula(e) (A) The UHMWPE of the present disclosure has a characteristic of disentangled UHMWPE (dis-UHMWPE). A process for preparation of the ultra-high molecular weight polyethylene, and the ultra-high molecular weight polyethylene (UHMWPE) are also disclosed.
Agency for Science, Technology and Research (Singapore)
SCG Chemicals Co. Ltd (Thailand)
Inventor
Thitsartarn, Warintorn
He, Chaobin
Yeo, Chee Chuan Jayven
Phonthammachai, Nopphawan
Treethammakul, Supakitt
Sukachonmakul, Tanapon
Abstract
A reinforced polyolefin composite is provided. The reinforced polyolefin composite comprises a polyolefin such as polyethylene or polypropylene, a rigid fibre micro filler such as glass fiber, carbon or cellulosic fibers, and at least one nano filler such as clay. The reinforced polyolefin composite may also comprise a modified polyolefin, which has a polar functional group such as maleate monoester, an acid anhydride or an acrylate grafted thereon. The clay nano filler may also be modified with an organosilane. The reinforced polyolefin composite may also comprise a stabilizer or other additives. A method of producing the reinforced polyolefin composite is also provided, comprising mixing a polyolefin, a rigid micro filler and at least one nano filler to form a mixture, melting the mixture and kneading the melted mixture. The obtained reinforced polyolefin composite is used in transportation, infrastructure, consumer goods and construction.
The present invention provides a coating composition comprising: a corrosion and erosion resistant metal oxide selected from silicon oxide, aluminium oxide, zirconium oxide, mica, zinc oxide, or a mixture thereof; a high temperature resistant metal oxide selected from chromium oxide, titanium dioxide, or a mixture thereof; and a binder comprising alkali metal silicate and alkali metal feldspar, wherein the weight ratio of alkali metal silicate to alkali metal feldspar is in the range 4.0 to 10.0 : 1.
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH (Singapore)
SCG CHEMICALS CO., LTD. (Thailand)
Inventor
Li, Xu
Wong, Siew Yee
Zhang, Yu
Ampornphan, Siriviriyanun
Abstract
There is provided an aqueous coating suspension that comprises: a) layered double hydroxide (LDH); b) at least one modifier; and c) a polymer matrix. In a preferred embodiment, the at least one modifier is a silane coupling agent, a fatty acid and/or an organic phosphonic acid and the polymer matrix comprises a polyvinyl alcohol (PVA) and a polyacrylic acid (PAA). There is also provided a process of preparing the coating suspension, a method for forming a film on a substrate, and use of the film as oxygen barrier for making packaging films.
A floating arrangement may include at least one support-floatation-unit for supporting a solar panel, the at least one support-floatation-unit has a main body having a flat base and at least one connection portion; and at least one connecting-floatation-unit having a flat base and at least one connection portion. The respective comer-connection-portions may be coupled together to form a connection joint connecting the support-floatation-unit and the connecting-floatation-unit in a side-by-side arrangement. A height from the base of the support-floatation-unit to the connection joint may be larger than a height from the base of the connecting-floatation-unit to the connection joint such that the base of the support-floatation-unit may extend downwards from the base of the connecting-floatation-unit by a depth which defines an additional displacement volume of the support-floatation-unit configured to provide additional buoyancy to support the solar panel.
The invention relates to a mosquito trap comprising a vessel (10) having an upper body (12) and a lower body (14), wherein the upper body (12) has openings (20) for letting mosquitos in, and the lower body (14) has a drainage hole (30) for draining excess water, wherein the height from the top of the upper body (12) to the lower edge of the drainage hole is 10-30 cm, wherein the inner surface of the vessel may be coated with a mosquito attractant. The mosquito trap may further comprise a floating member (50) comprising an encapsulating material (54) located at the lower body (14), wherein the encapsulating material (54) has an outer plane (56) and an inner plane (58) which are both side parallel to the wall of the vessel (10), and wherein the floating member (50) floats up and down in line with the level of the contained water.
A connection assembly having a nut and a first-snap-fit-engagement-arrangement. The connection assembly further has a first body with a first lug having a second-snap-fit-engagement-arrangement. The nut is coupled to the first lug with the nut, in a manner so as to engage the first-snap-fit-engagement-arrangement with the second-snap-fit-engagement-arrangement such that the nut is non-movable relative to the first lug. The connection assembly further has a second body with a second lug. The second lug is placed over the first lug and a bolt is inserted through respective through-holes of the first lug and the second lug and threaded through a threaded hole of the nut.
The present invention provides a method of delivering a composition to an area, preferably an area of water, comprising: contacting a part of an insect, preferably a leg, with a composition to deposit said composition thereon; and releasing said insect into said area, where it transfers said composition into the area. In preferred methods of the invention the composition comprises an insecticide, more preferably a larvicide, and a layered double hydroxide (LDH).
A01N 25/00 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests
A01N 25/08 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
A01N 57/14 - Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing aromatic radicals
A01N 51/00 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
A01N 43/22 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atom with one hetero atom rings with more than six members
A01N 49/00 - Biocides, pest repellants or attractants, or plant growth regulators containing compounds containing the group wherein m+n≥1, both X together may also mean —Y— or a direct carbon-to-carbon bond, and the carbon atoms marked with an asterisk are not part of any ring system other than that which may be formed by the atoms X, the carbon atoms in square brackets being part of any acyclic or cyclic structure, or the group wherein A means a carbon atom or Y, n ≥ 0, and not more than one of these carbon atoms being a member of the same ring system, e.g. juvenile insect hormones or mimics thereof
2m+1, where in m is an integer from 2 to 10, and n is 0-2 wherein the method comprises the steps a) providing a mixture comprising magnesium, an initiator and a first alcohol wherein the molar ratio of initiator to magnesium is from 0.0001 to 1; and b) adding a modifier to the mixture obtained in step a) wherein the modifier is selected from the group consisting of alkoxy alcohol, carboxylic acid ester, aliphatic hydrocarbon, aromatic hydrocarbon, ketone, a second alcohol or a mixture thereof, wherein the second alcohol is different from the first alcohol, respective magnesium compound and the use thereof.
The present invention relates to a coating composition comprising: 10 to 80 wt% of cerium oxide comprising a dopant based upon the total weight of the composition, wherein said dopant is selected from iron oxide, cobalt oxide, chromium oxide, lanthanum oxide, or mixtures thereof, and the atomic ratio of dopant metal to cerium is in the range 0.01:1 to 0.5:1; and 10 to 50 wt% of binder based upon the total weight of the composition.
C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
C04B 28/34 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
C04B 35/50 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare earth compounds
C04B 41/50 - Coating or impregnating with inorganic materials
21.
SiO2-layered double hydroxide microspheres and methods of making them
Porous particles comprising an active ingredient and a coating exhibiting greater dissolution rate in aqueous media than in alcoholic media are disclosed. A process for the manufacture of the particles is also disclosed, as well as tamper-proof particles and solid dosage forms comprising the coated particles. The differential solubility characteristics of the particle coating allow the particles to be incorporated into abuse-deterrent medicaments.
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
C01F 7/782 - Compounds containing aluminium, with or without oxygen or hydrogen, and containing two or more other elements containing carbonate ions, e.g. dawsonite
22.
METHOD AND CATALYST FOR THE PRODUCTION OF 1, 3-BUTADIENE FROM ETHANOL
catprepre comprising a layered double hydroxide (LDH) as well as a process for the conversion of ethanol to 1,3-butadiene, in which said catalyst is used.
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
C07C 1/20 - Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as hetero atoms
B01J 23/78 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with alkali- or alkaline earth metals or beryllium
Compounds suitable for use in the polymerisation of olefins, such as ethene, are described. Also described is a process for polymerising olefins using the described compounds.
Compounds suitable for use in the polymerisation of cyclic esters, such as lactides and lactones, are described. Also described is a process for polymerising cyclic esters using the described compounds.
C07F 7/00 - Compounds containing elements of Groups 4 or 14 of the Periodic Table
B01J 31/38 - Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups of titanium, zirconium or hafnium
C08G 63/82 - Preparation processes characterised by the catalyst used
The present invention provides a borylimide catalyst and further relates to compositions comprising the borylimide catalysts and processes for the polymerisation of olefins (e.g. ethylene) using the borylimide catalysts or the compositions comprising the borylimide catalysts.
B01J 31/14 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron
The present invention relates to a thermal insulation coating comprising at least two layers of coating, wherein a composition of the first layer comprises a silicone-based binder and a hollow glass microsphere, a composition of the second layer comprises an acrylic polymer and a hollow glass microsphere. Said thermal insulation coating is suitable for high-temperature applications, capable of adhering to a surface effectively, environmentally friendly, as well as providing high thermal reduction and low thermal conductivity.
A catalytic process for the deoxygenation of an organic substrate, such as a biomass or bio-oil, is described. The catalytic process is conducted in the presence of a gaseous mixture containing both hydrogen and nitrogen. The presence of nitrogen in the gaseous mixture gives rise inter- aliato increased catalytic activity and/or increased selectivity for aromatic reaction products.
Polyethylene composition comprising a melt blend, the melt blend comprising: a) a first multimodal polyethylene, the first multimodal polyethylene having a medium weight average molecular weight of a high weight average molecular weight, a density of more than 0,950 to 0,965 g/cm322 of 0.3 to 2,0 g/10 min according to ISO 1133; and b) a second multimodal polyethylene, the second multimodal polyethylene having a high weight average molecular weight, a density of 0.940 to 0.950 g/cm322 of 0.03 to 0.15 g/10 min according to ISO 1133; wherein the polymer composition has a Full Notch Creep Test (FNCT) according to ISO 16770 of at least 58 hours and a Charpy impact strength at a temperature of 23°C of at least 4 kJ/m2 according to ISO 179.
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
B01J 8/22 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid
B01J 8/00 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes
An apparatus for feeding granular material to a plant for producing slabs or tiles, comprises a distributing station (2) equipped with a plane (4) and a plurality of distributing members (5) arranged above the deposition plane (4) for distributing a plurality of granular materials (P1, P2, P3, P4) according to a preliminary distribution (PD). A compacting station (3) operatively arranged downstream of the distributing station (2) and provided with at least one receiving cassette (11) arranged to receive the preliminary distribution (PD) and shaped so that said granular materials (P1, P2, P3, P4) are arranged according to a compacted final distribution (FD) corresponding to an aspect of a slab to be manufactured. The distributing members (5) comprise each at least one array (6) of dispensing nozzles or openings (7) of the relative granular material (P1, P2, P3, P4) transversely arranged in succession and drivable independently from each other. A control unit (10) is associated with said distributing station and configured to drive the distributing members (5) to distribute the relative granular materials (P1, P2, P3, P4) on the deposition plane (4) depending on the shape of the final distribution (FD) and of a predetermined compaction ratio of said granular materials (P1, P2, P3, P4).
The present invention relates to a multimodal polyethylene composition comprising: (A) 35 to 65 parts by weight, preferably 45 to 65 parts by weight, most preferred 50 to 60 parts by weight, of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol; (B) 5 to 40 parts by weight, preferably 5 to 30 parts by weight, most preferred 5 to 20 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol; and (C) 20 to 60 parts by weight, preferably 25 to 60 parts by weight, most preferred 35 to 55 parts by weight, of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the second ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol, wherein the molecular weight distribution of the multimodal polyethylene composition is from 10 to 25, preferably 10 to 20, determined by Gel Permeation Chromatography; the isothermal crystallization half-time of the multimodal polyethylene composition at a temperature of 123° C. is 7 min or less, preferably 6 min or less, preferably 2-6 min, according to Differential Scanning Calorimetry; and a spiral flow length at a temperature of 220° C. is at least 200 mm, preferably 250-400 mm and a screw cap comprising the same.
B01J 8/00 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes
B01J 8/22 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid
A solid-liquid separator including a hollow structure. The hollow structure may include a separator portion having a solid-liquid-mixture inlet and a curved-funnel-shaped inner separator surface. The hollow structure may further include a collector portion having frustoconically-shaped inner liquid guide surface. The separator portion and the collector portion may be disposed such that a spout of the curved-funnel-shaped inner separator surface and a narrower end of the frustoconically-shaped inner liquid guide surface may be directed towards each other.
B04C 1/00 - Apparatus in which the main direction of flow follows a flat spiral
E03D 5/014 - Special constructions of flushing devices combined with movable closure elements in the bowl outlet with devices for separate removal of liquids and solids
C02F 1/38 - Treatment of water, waste water, or sewage by centrifugal separation
33.
DISINFECTION APPARATUS AND METHOD OF TREATING WASTE
A disinfection apparatus for treating waste may include a housing having an inlet and an outlet; a conveying mechanism which is disposed within the housing and which extends at least substantially along the housing from the inlet to the outlet; and a heating mechanism configured to transfer heat to the housing so as to heat an internal space of the housing to create a heated environment within the housing. A method of treating waste may include providing the waste in a heated environment within a housing of a disinfection apparatus; and conveying the waste, via a conveying mechanism of the disinfection apparatus, along a length of the housing of the disinfection apparatus. According to various embodiments, the method may further include heating, via a heating mechanism of the disinfection apparatus, the housing so as to heat an internal space of the housing to create the heated environment within the housing.
A waste treatment device may include a solid-liquid separator which is configured to receive and separate waste into solids and liquid. The waste treatment device may further include a solids treatment arrangement which is configured to receive the solids from the solid-liquid separator, wherein the solids treatment arrangement comprises a disinfection unit having a heating mechanism configured to heat, without burning, the solids so as to disinfect the solids to convert the solids into pathogen-free-treated-solids. The waste treatment device may further include a liquid treatment arrangement which is configured to receive the liquid from the solid- liquid separator and to treat the liquid so as to convert the liquid into pathogen-free-effluent. The solid-liquid separator may include a curved-funnel-shaped inner separator surface and a frusto conically-shaped inner liquid guide surface whereby the respective narrower ends are directed towards each other.
E03D 5/014 - Special constructions of flushing devices combined with movable closure elements in the bowl outlet with devices for separate removal of liquids and solids
B04C 1/00 - Apparatus in which the main direction of flow follows a flat spiral
C02F 1/38 - Treatment of water, waste water, or sewage by centrifugal separation
C02F 1/02 - Treatment of water, waste water, or sewage by heating
C02F 1/467 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection
The present invention relates to a multimodal polyethylene composition comprising: (A) 40 to 65 parts by weight, preferably 43 to 52 parts by weight, most preferred 44 to 50 parts by weight, of the low molecular weight polyethylene, the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol and having a MFRa from 500 to 1.000 g/10 min according to ASTM D 1238; (B) 8 to 20 parts by weight, preferably 10 to 18 parts by weight, most preferred 10 to 15 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol; and (C) 30 to 50 parts by weight, preferably 37 to 47 parts by weight, most preferred 39 to 45 parts by weight, of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the second ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol, wherein the density of the first high molecular weight polyethylene or the first ultra high molecular weight polyethylene and the second high molecular weight polyethylene or the second ultra high molecular weight polyethylene are in the range from 0.920 to 0.950 g/cm3, and wherein the molecular weight distribution of the multimodal polyethylene composition is from 20 to 28, preferably from 24 to 28, measured by gel permeation chromatography, and a film comprising the multimodal polyethylene composition and the use thereof.
The present invention relates to a multimodal polyethylene composition comprising: (A) 40 to 65 parts by weight, preferably 43 to 52 parts by weight, most preferred 44 to 50 parts by′ weight, of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol, wherein the low molecular weight polyethylene has a MI2 of 500 to 1,000 g/10 min according to ASTM D 1238; (B) 5 to 17 parts by weight, preferably 10 to 17 parts by weight, most preferred 10 to 15 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol; and (C) 30 to 50 parts by weight, preferably 37 to 47 party by weight, most preferably 39 to 45 parts by weight, of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the second ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol, wherein the density of the first high molecular weight polyethylene or the first ultra high molecular weight polyethylene and the second high molecular weight polyethylene or the second ultra high molecular weight polyethylene is in the same range and both densities are in the range from 0.910 to 0.940 g/cm3; and the molecular weight distribution of the multimodal polyethylene composition is from 18 to 30, preferably 20 to 28, measured by gel permeation chromatography, film comprising the multimodal polyethylene composition and the use thereof.
E02D 31/00 - Protective arrangements for foundations or foundation structuresGround foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising: (a) first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected, from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100-200 kPa (abs); (c) the second reactor; and (d) a third reactor and use thereof as a pipe.
The present invention relates to a thermal emissivity coating composition comprising: a) an emissivity agent in an amount from 30 to 65% by weight with respect to the total weight of the thermal emissivity coating composition; b) a filler selected from the group consisting of oxides of aluminum, silicon, magnesium, calcium, boron and mixtures of two or more thereof, in an amount from 10 to 35 wt% with respect to the total weight of the thermal emissivity coating composition; and c) a binder in an amount from 12 to 52 wt% with respect to the total weight of the thermal emissivity coating composition; wherein the emissivity agent comprises coba!t oxide in an amount from 10 to 25 wt%, preferably 12 to 25 wt% with respect to the total weight of the thermal emissivity coating composition and further comprises chromium oxide and titanium oxide.
Para-xylene production processes are disclosed, with such processes being integrated with extractive distillation or other separation to effectively separate, for example to remove and recover, ethylbenzene and other components that co-boil with the isomers of xylene. This allows for xylene isomerization, downstream of the separation of para-xylene from its other isomers, to be operated under milder conditions (e.g., liquid phase, absence of added hydrogen) without the need for ethylbenzene conversion. The associated decreased yields of byproducts such as light gases and non-aromatic hydrocarbons, together with the generation of purified ethylbenzene having value for styrene monomer production, can significantly improve overall process economics.
C07C 5/27 - Rearrangement of carbon atoms in the hydrocarbon skeleton
C07C 7/08 - Purification, separation or stabilisation of hydrocarbonsUse of additives by distillation with the aid of auxiliary compounds by extractive distillation
C07C 7/14 - Purification, separation or stabilisation of hydrocarbonsUse of additives by crystallisationPurification or separation of the crystals
C07C 7/12 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
C07C 7/00 - Purification, separation or stabilisation of hydrocarbonsUse of additives
Extractive agent compounds are disclosed, with exemplary compounds having Formula (I): wherein Raand Rbare independently selected from the group consisting of an oxygen radical, a hydrogen radical, and a hydrocarbyl radical having from about 1 to about 20 carbon atoms, and wherein R2-R6are independently selected from the group consisting of halo, a hydrogen radical, and a hydrocarbyl radical having from about 1 to about 20 carbon atoms, and further wherein at least two of R2-R68888 aromatic compound or may alternatively be quantified in terms of a competitive factor, D, as described herein.
B01D 3/34 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
C07C 7/08 - Purification, separation or stabilisation of hydrocarbonsUse of additives by distillation with the aid of auxiliary compounds by extractive distillation
Para-xylene production processes are disclosed, with such processes being integrated with extractive distillation or other separation to effectively separate, for example to remove and recover, ethylbenzene and other components that co-boil with the isomers of xylene. This allows for xylene isomerization, downstream of the separation of para-xylene from its other isomers, to be operated under milder conditions (e.g., liquid phase, absence of added hydrogen) without the need for ethylbenzene conversion. The associated decreased yields of byproducts such as light gases and non-aromatic hydrocarbons, together with the generation of purified ethylbenzene having value for styrene monomer production, can significantly improve overall process economics.
C07C 7/08 - Purification, separation or stabilisation of hydrocarbonsUse of additives by distillation with the aid of auxiliary compounds by extractive distillation
C01G 15/00 - Compounds of gallium, indium, or thallium
B01J 23/825 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with gallium, indium or thallium
C07C 29/154 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases characterised by the catalyst used containing copper, silver, gold, or compounds thereof
The present invention discloses a packaging apparatus having a pod (1) containing product (3), and a retaining layer (2) which closes the pod (1) so that the product (3) is held captive within the pod (1), the pod (1) and/or the retaining layer (2) has a predetermined frangible feature which provides a weakened portion (4) in part of the surface of the pod (1) and/or the retaining layer (2) and thereby the weakened portion (4) is broken by deforming the pod (1) to get access to the product (3).
B65D 75/32 - Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
B65D 75/58 - Opening or contents-removing devices added or incorporated during package manufacture
A61J 1/03 - Containers specially adapted for medical or pharmaceutical purposes for pills or tablets
The present invention relates to a reactor system for a multimodal polyethylene composition comprising: (a) first reactor; (b) hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100-200 kPa (abs); (c) the second reactor; and (d) a third reactor and use thereof as a pipe.
10 α-olefin comonomer content of 0.25 to 3% mol with respect to the total monomer comprised in the high molecular weight polyethylene comonomer fraction, wherein the content of the low molecular weight polyethylene is from 50 to 60 wt % with respect to the total weight of the bimodal polyethylene composition; and the bimodal polyethylene composition has a soluble fraction according to Temperature Rising Elution Fractionation in 1,2,4-trichlorobenzene with 300 ppm of butylated hydroxytoluene at 150° C. of less than 6 wt %; and a pipe comprising the same.
The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising; (a) a first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100-200 kPa (abs); (c) the second reactor; and (d) a third reactor and the use thereof as a container.
39 ABSTRACT SURFACE MODIFIED LAYERED DOUBLE HYDROXIDE Processes for making surface-modified layered double hydroxides (LDHs) are disclosed, as well as surface-modified LDHs, and their uses in composite materials. The surface-modified LDHs of the invention are more hydrophobic than their unmodified analogues, which allows the surface- modified LDHs to be incorporated in a wide variety of materials, wherein the interesting functionality of LDHs may be exploited.
Processes for making surface-modified layered double hydroxides (LDHs) are disclosed, as well as surface-modified LDHs, and their uses in composite materials. The surface-modified LDHs of the invention are more hydrophobic than their unmodified analogues, which allows the surface- modified LDHs to be incorporated in a wide variety of materials, wherein the interesting functionality of LDHs may be exploited.
AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH (Singapore)
SCG CHEMICALS CO. LTD (Thailand)
Inventor
Thitsartarn, Warintorn
He, Chaobin
Yeo, Chee Chuan Jayven
Phonthammachai, Nopphawan
Treethammakul, Supakitt
Sukachonmakul, Tanapon
Abstract
A reinforced polyolefin composite is provided. The reinforced polyolefin composite comprises a polyolefin such as polyethylene or polypropylene, a rigid fibre micro filler such as glass fiber, carbon or cellulosic fibers, and at least one nano filler such as clay. The reinforced polyolefin composite may also comprise a modified polyolefin, which has a polar functional group such as maleate monoester, an acid anhydride or an acrylate grafted thereon. The clay nano filler may also be modified with an organosilane. The reinforced polyolefin composite may also comprise a stabilizer or other additives. A method of producing the reinforced polyolefin composite is also provided, comprising mixing a polyolefin, a rigid micro filler and at least one nano filler to form a mixture, melting the mixture and kneading the melted mixture. The obtained reinforced polyolefin composite is used in transportation, infrastructure, consumer goods and construction.
C08K 3/30 - Sulfur-, selenium-, or tellurium-containing compounds
C08K 9/04 - Ingredients treated with organic substances
H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
C08K 5/12 - EstersEther-esters of cyclic polycarboxylic acids
H01B 7/295 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame using material resistant to flame
Catalytic compounds suitable for use in the polymerisation of cyclic esters and/or cyclic amides are described. The catalytic compounds are based on Group IV metals bound to permethylpentalene and amidinate ligands.
A process for the polymerisation of cyclic esters or cyclic amides is described, using catalytic compounds based on Group IV metals bound to permethylpentalene and amidinate ligands.
Surface-modified layered double hydroxides (LDHs) are disclosed, as well as processes by which they are made, and uses of the LDHs in composite materials. The surface-modified LDHs of the invention are more organophilic than their unmodified analogues, which allows the LDHs to be incorporated in a wide variety of materials, wherein the interesting functionality of LDHs may be exploited.
B01J 20/08 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising aluminium oxide or hydroxideSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
B01J 20/04 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
54.
METHOD FOR PREPARING A CAMGAL MIXED OXIDE, A CAMGAL MIXED OXIDE OBTAINABLE THIS WAY AND THE USE THEREOF FOR OLIGOMERIZATION OF GLYCEROL
The present invention relates to a method for preparing a CaMgAl mixed oxide comprising the steps: a) providing a modified layered double hydroxide of the formula (I) wherein in formula (I) o
Processes of preparing a plurality of LDH-coated alumina particles (i.e. alumina@LDH core@shell particles) is described, in which the alumina core has an average particle size of≥50 μm. The resulting LDH-coated alumina particles offer a plethora of advantages over smaller particle size (e.g. powder) core@LDH materials. In particular, the alumina@LDH core@shell materials of the invention are suitable for direct use in a variety of industrial applications, including as supports in fixed bed reactors or fluidised bed processes, thereby obviating the numerous disadvantages associated with pelletising smaller particle size (e.g. powder) core@LDH materials.
B01J 20/08 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising aluminium oxide or hydroxideSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
Processes of preparing a plurality of LDH-coated alumina particles (i.e. alumina@LDH core@shell particles) is described, in which the alumina core has an average particle size of ≥50 μm. The resulting LDH-coated alumina particles offer a plethora of advantages over smaller particle size (e.g. powder) core@LDH materials. In particular, the alumina@LDH core@shell materials of the invention are suitable for direct use in a variety of industrial applications, including as supports in fixed bed reactors or fluidized bed processes, thereby obviating the numerous disadvantages associated with pelletising smaller particle size (e.g. powder) core@LDH materials.
B01J 20/08 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising aluminium oxide or hydroxideSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
This invention discloses a method of constructing a layered structure comprising the steps of receiving the physical data of the object to be modeled; providing a data set of at least one predefined voxel shape; generating a geometric representation corresponding to the said physical data using the selected voxel shape; providing a chamber filled with a non-flowable material and a print head means connected with the said chamber having at least one nozzle; dispensing a plurality of drops of the non-flowable material on a periodic basis directed vertically downward to a target surface underneath in a layerwise fashion; and repeating said dispensing to form a layered structure, wherein the step of generating a plurality of drops comprises the step of configuring the position of the nozzle such that, with reference to the position of the earlier drop, the subsequent drop has a predetermined horizontal distance displacement whereby allowing voxels formed by the earlier drop and the subsequent drop be arranged in an overlapping manner; and wherein a compression between a partially formed voxel created by an earlier drop and a subsequent drop causes the sacrifice of at least some volume of voxel and fusion of the material at the points of compression thereby forming a fused zone, and wherein at least one part of said voxel is partially protected from compression thereby providing strength to the cured structure and forming a non-compressed zone.
C04B 20/00 - Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups and characterised by shape or grain distributionTreatment of materials according to more than one of the groups specially adapted to enhance their filling properties in mortars, concrete or artificial stoneExpanding or defibrillating materials
59.
High performances multimodal ultra high molecular weight polyethylene
The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising; (a) a first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100-200 kPa (abs); (c) the second reactor; and (d) a third reactor and use thereof as a sheet.
B01J 8/22 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid
B01J 8/00 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes
A catalytic process for the polymerisation of cyclic ester and cyclic amides is described, which uses, as catalysts, Rare-earth complexes comprising permethylpentalene or (hydro)permethylpentalene ligands. The complexes are notably more active in lactide polymerisation that zirconium-containing analogues.
Rare-earth complexes comprising permethylpentalene or (hydro)permethylpentalene ligands suitable for catalysing the polymerisation of polar monomers, such as cyclic esters and cyclic amides, are described. The compounds are notably more active in lactide polymerisation that zirconium-containing analogues.
The present invention relates to a method of producing a magnesium compound represented by the following formula: Mg(OR12-nnn wherein R1m2m+12m+1, where in m is an integer from 2 to 10, and n is o - 2 wherein the method comprises the steps a) providing a mixture comprising magnesium, an initiator and a first alcohol wherein the molar ratio of initiator to magnesium is from o.ooo1 to 1; and b) adding a modifier to the mixture obtained in step a) wherein the modifier is selected from the group consisting of alkoxy alcohol, carboxylic acid ester, aliphatic hydrocarbon, aromatic hydrocarbon, ketone, a second alcohol or a mixture thereof, wherein the second alcohol is different from the first alcohol, respective magnesium compound and the use thereof.
Disclosed is a moisture-cured polyurethane adhesive containing 0.5% to 40% by weight of layered double hydroxide particles dispersed in the polyurethane. Also disclosed is a curable resin composition including a polyurethane prepolymer with an isocyanate component and a polyol component. The polyurethane prepolymer is curable with moisture and contains layered double oxide particles dispersed in the prepolymer in an amount from 0.5% to 40% by weight of the composition. A method of making a polyurethane adhesive is also disclosed.
Disclosed is a moisture-cured polyurethane adhesive containing 0.5% to 40% by weight of layered double hydroxide particles dispersed in the polyurethane. Also disclosed is a curable resin composition including a polyurethane prepolymer with an isocyanate component and a polyol component. The polyurethane prepolymer is curable with moisture and contains layered double oxide particles dispersed in the prepolymer in an amount from 0.5% to 40% by weight of the composition. A method of making a polyurethane adhesive is also disclosed.
A process for the preparation of a coated substrate is described, in which a substrate is coated with a coating mixture containing a polymer and a layered double hydroxide, the layered double hydroxide having been derived from a layered double oxide. The process of the invention is markedly simpler than conventional techniques for affording coated substrates having reduced permeability to degradative gases. The coated substrates obtainable by the process are particularly useful in packaging applications, notably in the food industry.
A process for the preparation of a coated substrate is described, in which a substrate is coated with a coating mixture containing a polymer and an amino acid-modified layered double hydroxide. The process of the invention is markedly simpler than conventional techniques for affording coated substrates having reduced permeability to degradative gases. The coated substrates obtainable by the process are particularly useful in packaging applications, notably in the food industry.
Solid support materials are described for use as supports for olefin polymerisation catalysts. Also described is a process for the preparation of the solid support materials and the use of the solid support materials as supports in olefin polymerisation reactions.
B01J 20/04 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
C08F 4/659 - Component covered by group containing a transition metal-carbon bond
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
Modified solid polymethylaluminoxanes are described for use as support materials for olefin polymerisation catalysts. The modified solid polymethylaluminoxanes have higher specific surface areas than their unmodified analogues. Also described is a process for the preparation of the modified solid polymethylaluminoxanes and the use of the modified solid polymethylaluminoxanes as support materials in olefin polymerisation reactions.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Industrial robots; inspection robots. Measuring, detecting and monitoring instruments, namely material inspection equipment for the inspection of industrial furnaces. Management and maintenance services for industrial plants.
70.
Unsymmetrical metallocene catalysts and uses thereof
Unsymmetrical metallocene compounds based on cyclopentadienyl ligands are disclosed, as well as catalytic compositions comprising the compounds supported on solid support materials. The compounds and compositions are useful as catalysts in the polymerisation of olefins. In particular, the compounds and compositions are useful catalysts in the preparation of low molecular weight polyethylene (e.g. polyethylene wax) and copolymers formed from the polymerisation of ethylene and other α-olefins.
C08F 4/64 - Titanium, zirconium, hafnium, or compounds thereof
C08F 4/76 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from metals not provided for in group selected from refractory metals selected from titanium, zirconium, hafnium, vanadium, niobium, or tantalum
C08F 4/52 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides selected from boron, aluminium, gallium, indium, thallium, or rare earths
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
A new family of Group IV transition metal catalytic compounds are provided, which are capable of catalysing the ROP of cyclic esters and cyclic amides to yield polymers of high molecular weight and narrow PDI. The new family of catalysts are surprisingly active not only in catalysing the ROP of lactones such as caprolactone, but also macrolactones (e.g. ω-pentadecalactone, PDL), where the reduced amount of ring strain would typically compromise efficient polymerisation. Also provided is a process for the ring opening polymerisation (ROP) of a cyclic ester or a cyclic amide employing the new catalytic compounds.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Industrial robots; inspection robots Material inspection equipment, namely, driving module, controller module, sensors, communication module, and control station for inspecting the integrity, condition, age, deterioration, and remaining life of industrial furnaces Maintenance services for industrial plants; construction of industrial plants
OXFORD UNIVERSITY INNOVATION LIMITED (United Kingdom)
Inventor
O'Hare, Dermot
Tsang, Shik Chi
Li, Meng-Jung
Abstract
New layered double hydroxide materials useful as intermediates in the formation of catalysts are described, as well as methods of preparing the layered double hydroxides. Also described are catalysts suitable for catalysing the hydrogenation of CO2 to methanol, as well as methods for preparing the catalysts. The LDH-derived catalysts of the invention are active in the hydrogenation of CO2 to methanol, and show improved activity with respect to Cu/ZnO catalysts derived from copper-zinc hydroxycarbonate precursors.
OXFORD UNIVERSITY INNOVATION LIMITED (United Kingdom)
SCG CHEMICALS CO., LTD. (Thailand)
Inventor
O'Hare, Dermot
Tsang, Shik Chi
Li, Meng-Jung
Abstract
New layered double hydroxide materials useful as intermediates in the formation of catalysts are described, as well as methods of preparing the layered double hydroxides. Also described are catalysts suitable for catalysing the hydrogenation of CO2 to methanol, as well as methods for preparing the catalysts. The LDH-derived catalysts of the invention are active in the hydrogenation of CO2 to methanol, and show improved activity with respect to Cu/ZnO catalysts derived from copper-zinc hydroxycarbonate precursors.
The present invention relates to NOx storage and reduction catalyst comprising a material having the genera! formula G/AO/LxMyQOz, wherein LxMyQOz is a substrate and G and A2O are deposited on the surface of the LxMyQOz substrate; wherein G is a noble metal, A is an element from Group I or II of the Periodic Table of Elements, L and M are independently selected from divalent cations and L and M are not selected as the same divalent cation, Q is at least one trivalent cation, O is oxygen, x is from 0 to 6, y is from 0 to 6, x+y is from 1 to 6 and z is selected to balance the values of x and y stochiometrically, wherein the amount of G is from 0.5 to 6 wt%, preferably from 0.5 to 4 wt%, the amount of A20 is from 5 to 30 wt% and the amount of LxMyQOz balances the amount of G and A2O to result in 100 wt%, a process for preparing the same and the use thereof.
B01J 23/89 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with noble metals
The present invention relates to polymer composition comprising 100 parts by weight of halogen containing polymer, 10 to 70 parts by weight of plasticizer, 2 to 10 parts by weight of stabilizer, 1 - 15 parts by weight of a layered double hydroxide (LDH) having the formula (I) wherein M and M' are different and each is at least one metal cation, z = 1 or 2; y = 3 or 4, 0
C08K 5/12 - EstersEther-esters of cyclic polycarboxylic acids
C08K 9/04 - Ingredients treated with organic substances
H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
H01B 7/295 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame using material resistant to flame
80.
PROCESS FOR REMOVING ALKENE AND/OR ALKYNE FROM A HYDROCARBON FEEDSTOCK COMPRISING AN AROMATIC COMPOUND
The present invention relates to a process for purifying a hydrocarbon feedstock, said process comprising the steps: (a) providing the hydrocarbon feedstock comprising an aromatic compound and at least one compound, selected from the group consisting of alkene, alkyne, nitrogen-containing compound or mixtures thereof; and (b) contacting the hydrocarbon feedstock with an acidic montmorillonite adsorbent at a temperature in the range from 10 to 60 °C.
THAI PLASTIC AND CHEMICALS PUBLIC CO., LTD. (Thailand)
Inventor
Tiyapiboonchaiya, Churat
Sae-Lim, Chantana
Abstract
The present invention relates to a plasticizer composition comprising a plasticizer (A) having a viscosity of not less than 100 c P at 25oC and an ester (B) having the following formula (I): wherein R1 and R2 are the same or different and represent a straight chain, branched or cyclic hydrocarbyl group.
Catalytic processes employing rhodium complexes are disclosed, wherein the catalytic processes involve an initial step of activation of a C-H bond present within a hydrocarbon substrate. In contrast to prior art techniques, the catalytic processes of the invention can be conducted at low temperatures, and the catalytic compounds are themselves highly recyclable. Also disclosed are the rhodium complexes themselves and processes of making them.
A process for the preparation of a film is described, in which a substrate is coated with a coating mixture containing a polymer and an organic solvent-dispersible layered double hydroxide. The process of the invention is markedly simpler that conventional techniques for affording films having reduced permeability to degradative gases. The films obtainable by the process are particularly useful in packaging applications, notably in the food industry.
Surface-modified layered double hydroxides (LDHs) are disclosed, as well as processes by which they are made, and uses of the LDHs in composite materials. The surface-modified LDHs of the invention are more organophilic than their unmodified analogues, which allows the LDHs to be incorporated in a wide variety of materials, wherein the interesting functionality of LDHs may be exploited.
B01J 20/04 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
A process for the preparation of a film is described, in which a substrate is coated with a coating mixture containing a water-soluble polymer and a layered double hydroxide. The process of the invention is markedly simpler that conventional techniques for affording films having reduced permeability to degradative gases. The films obtainable by the process are particularly useful in packaging applications, notably in the food industry.
The present invention relates to a process for the preparation of a polyethylene wax, the process comprising the steps of providing a catalyst solution, wherein the catalyst solution comprises at least one activating compound, an alkylaluminoxane and a me- tallocene complex, wherein the molar ratio of the activating compound to aluminum comprised in the alkylaluminoxane is from 0.0005 to 0.20; and polymerizing ethylene, by contacting the ethylene and the catalyst solution.
C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F 4/659 - Component covered by group containing a transition metal-carbon bond
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
87.
HIGH PERFORMANCES MULTIMODAL ULTRA HIGH MOLECULAR WEIGHT POLYETHYLENE
The present inventions relates to a multimodal polyethylene composition comprising; (A) 30 to 65 parts by weight, preferably 30 to 50 parts by weight, most preferred 30 to 40 parts by weight of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol or medium molecular weight polyethylene having a weight average molecular weight (Mw) of more than 90,000 to 150,000 g/mol; (B) 5 to 40 parts by weight, preferably 10 to 35 parts by weight, most preferred 15 to 35 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol; and (C) 10 to 60 parts by weight, preferably 15 to 60 parts by weight, most preferred 20 to 60 parts by weight of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000g/mol or the second ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol, wherein a MI21 of the multimodal polyethylene composition is less than 2.0 g/10 min, and a Charpy impact strength at 23 °C the of multimodal polyethylene composition is at least 70 kJ/m2, preferably 70 to 120 kJ/m2, measured by ISO 179, a sheet comprising the multimodal polyethylene composition as well as the use of the sheet.
The present invention relates to a process for producing a multimodal polyethylene composition in the reactor system according to the invention, comprising; (a) polymerizing ethylene in an inert hydrocarbon medium in the first reactor in the presence of a catalyst system, selected from Ziegler-Natta catalyst or metallocene, and hydrogen in an amount of 0.1-95% by mol with respect to the total gas present in the vapor phase in the first reactor to obtain a low molecular weight polyethylene or a medium molecular weight polyethylene; (b) removing in the hydrogen removal unit 98.0 to 99.8% by weight of the hydrogen comprised in a slurry mixture obtained from the first reactor at a pressure in the range of 103-145 kPa (abs) and transferring the obtained residual mixture to the second reactor; (c) polymerizing ethylene and optionally C4 to C12 α-olefin comonomer in the second reactor in the presence of a catalyst system, selected from Ziegler-Natta catalyst or metallocene, and in the presence of hydrogen in an amount obtained in step (b) to obtain a first high molecular weight polyethylene or a first ultra high molecular weight polyethylene in the form of a homopolymer or a copolymer and transferring a resultant mixture to the third reactor; and (d) polymerizing ethylene, and optionally α-olefin comonomer in the third reactor in the presence of a catalyst system, selected from Ziegler-Natta catalyst or metallocene, and hydrogen, wherein the amount of hydrogen in the third reactor is in a range of 1-70% by mol, preferably 1-60% by mol with respect to the total gas present in the vapor phase in the third reactor or optionally substantial absence of hydrogen to obtain a second high molecular weight polyethylene or a second ultra high molecular weight polyethylene homopolymer or copolymer; and a multimodal polyethylene composition obtainable this way.
The present invention relates to a reactor system for a multimodal polyethylene composition comprising: (a) first reactor; (b) hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100 - 200 kPa (abs); (c) the second reactor; and (d) a third reactor and use thereof as a pipe.
The present invention relates to a bimodal polyethylene composition comprising a low molecular weight polyethylene homopolymer fraction and high molecular weight polyethylene copolymer fraction having a C4 to C10 α-olefin comonomer content of 0.25 to 3% mol with respect to the total monomer comprised in the high molecular weight polyethylene comonomer fraction, wherein the content of the low molecular weight polyethylene is from 50 to 60 wt% with respect to the total weight of the bimodal polyethylene composition; and the bimodal polyethylene composition has a soluble fraction according to Temperature Rising Elution Fractionation in 1,2,4-trichlorobenzene with 300 ppm of butylated hydroxytoluene at 150°C of less than 6 wt%; and a pipe comprising the same.
The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising; (a) a first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100 - 200 kPa (abs); (c) the second reactor; and (d) a third reactor and the use thereof as a container.
The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising; (a) a first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100 - 200 kPa (abs); (c) the second reactor; and (d) a third reactor and use thereof as a sheet.
The present invention relates to a process for producing a multimodal polyethylene composition in the reactor system according to the invention, comprising; (a) polymerizing ethylene in an inert hydrocarbon medium in the first reactor in the presence of a catalyst system, selected from Ziegler-Natta catalyst or metallocene, and hydrogen in an amount of 0.1-95% by mol with respect to the total gas present in the vapor phase in the first reactor to obtain a low molecular weight polyethylene or a medium molecular weight polyethylene; (b) removing in the hydrogen removal unit 98.0 to 99.8% by weight of the hydrogen comprised in a slurry mixture obtained from the first reactor at a pressure in the range of 103-145 kPa (abs) and transferring the obtained residual mixture to the second reactor; (c) polymerizing ethylene and optionally C4 to C12 a-olefin comonomer in the second reactor in the presence of a catalyst system, selected from Ziegler-Natta catalyst or metallocene, and in the presence of hydrogen in an amount obtained in step (b) to obtain a first high molecular weight polyethylene or a first ultra high molecular weight polyethylene in the form of a homopolymer or a copolymer and transferring a resultant mixture to the third reactor; and (d) polymerizing ethylene, and optionally a-olefin comonomer in the third reactor in the presence of a catalyst system, selected from Ziegler-Natta catalyst or metallocene, and hydrogen, wherein the amount of hydrogen in the third reactor is in a range of 1-70% by mol, preferably 1-60% by mol with respect to the total gas present in the vapor phase in the third reactor or optionally substantial absence of hydrogen to obtain a second high molecular weight polyethylene or a second ultra high molecular weight polyethylene homopolymer or copolymer; and a multimodal polyethylene composition obtainable this way.
The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising; (a) a first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100 - 200 kPa (abs); (c) the second reactor; and (d) a third reactor and use thereof as a sheet.
The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising; (a) first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected, from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100 - 200 kPa (abs); (c) the second reactor; and (d) a third reactor and use thereof as a pipe.
The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising; (a) a first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination, thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100 - 200 kPa (abs); (c) the second reactor; and. (d) a third reactor and the use of a film thereof.
The present invention relates to a multimodal polyethylene composition comprising: (A) 40 to 65 parts by weight, preferably 43 to 52 parts by weight, most preferred 44 to 50 parts by weight, of the low molecular weight polyethylene, the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol and having a MFRa from 500 to 1.000 g/10 min according to ASTM D 1238; (B) 8 to 20 parts by weight, preferably 10 to 18 parts by weight, most preferred 10 to 15 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000g/mol; and (C) 30 to 50 parts by weight, preferably 37 to 47 parts by weight, most preferred 39 to 45 parts by weight, of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000g/mol or the second ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000g/mol, wherein the density of the first high molecular weight polyethylene or the first ultra high molecular weight polyethylene and the second high molecular weight polyethylene or the second ultra high molecular weight polyethylene are in the range from 0.920 to 0.950 g/cm3, and wherein the molecular weight distribution of the multimodal polyethylene composition is from 20 to 28, preferably from 24 to 28, measured by gel permeation chromatography, and a film comprising the multimodal plolyethylene composition and the use thereof.
The present invention relates to a reactor system for a multimodal polyethylene polymerization process, comprising; (a) a first reactor; (b) a hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure ie a range of 100 - 200 kPa (abs); (c) the second reactor; and (d) a third reactor and the use of a film thereof.
The present invention relates to a multimodal polyethylene composition comprising: (A) 40 to 65 parts by weight, preferably 43 to 52 parts by weight, most preferred 44 to 50 parts by' weight, of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol, wherein the low molecular weight polyethylene has a MI2 of 500 to 1,000 g/10 min according to ASTM D 1238; (B) 5 to 17 parts by weight, preferably 10 to 17 parts by weight, most preferred 10 to 15 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000g/mol; and (C) 30 to 50 parts by weight, preferably 37 to 47 party by weight, most preferably 39 to 45 parts by weight, of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000g/mol or the second ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000g/mol, wherein the density of the first high molecular weight polyethylene or the first ultra high molecular weight polyethylene and the second high molecular weight polyethylene or the second ultra high molecular weight polyethylene is in the same range and both densities are in the range from 0.910 to 0.940 g/cm3; and the molecular weight distribution of the multimodal polyethylene composition is from 18 to 30, preferably 20 to 28, measured by gel permeation chromatography., film comprising the multimodal plolyethylene composition and the use thereof.
The present invention relates to a reactor system for a multimodal polyethylene composition comprising; (a) first reactor; (b) hydrogen removal unit arranged between the first reactor and a second reactor comprising at least one vessel connected with a depressurization equipment, preferably selected from vacuum pump, compressor, blower, ejector or a combination thereof, the depressurization equipment allowing to adjust an operating pressure to a pressure in a range of 100 — 200 kPa (abs); (c) the second reactor; and (d) a third reactor, a multimodal, polyethylene composition obtainable this way and a screw cap comprising the same.
