The present specification relates to a cell pouch film, a packaging structure comprising same, and a method for storing the corresponding cell pouch film. Therefore, the moisture regain of the cell pouch film is controlled such that moldability, the level of thermal deformation bubbles, and mechanical properties can all be excellent.
H01M 50/126 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure comprising three or more layers
H01M 50/131 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by physical properties, e.g. gas-permeability or size
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
The specification discloses a film for a cell pouch and a storage method of the film. According to this disclosure, the efficiency of a slip agent may be improved by controlling the storage temperature after manufacturing the film for a cell pouch. The phenomenon of excessive leakage of the slip agent on the surface is minimized while comprising a small amount of the slip agent. Therefore, the film according to the present disclosure may exhibit excellent formability and at the same time prevents excessive leakage of the slip agent, thereby preventing a decrease in process efficiency due to the slip agent.
H01M 50/178 - Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag cells
B32B 15/085 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyolefins
B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
Disclosed are a cell pouch film having improved formability, a method for preparing the same, and a secondary battery using the same. The cell pouch film can suppress the occurrence of cracks in edge portion generated during deep molding, allowing the edge portion to be formed thickly, thereby exhibiting excellent deep molding properties. Since such a cell pouch film can improve the energy density of a secondary battery, it is particularly useful as a medium to large-sized cell pouch for electric vehicles, energy storage devices, and the like.
H01M 50/126 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure comprising three or more layers
Disclosed are a cell pouch manufacturing method, an apparatus therefor, and a cell pouch manufactured thereby, in which an aging procedure, which affects productivity in cell pouch manufacturing and the thermal deformation and physical properties of cell pouches, is optimized to improve cell pouch productivity and to improve physical properties while minimizing the thermal deformation of cell pouches, and which are suitable to reduce the manufacturing cost of outer bodies while maintaining the initial characteristics of materials constant.
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
B32B 37/15 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 15/085 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyolefins
B32B 15/088 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyamides
B32B 15/09 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyesters
B32B 15/18 - Layered products essentially comprising metal comprising iron or steel
H01M 50/126 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure comprising three or more layers
5.
FILM FOR CELL POUCH AND MANUFACTURING METHOD THEREOF
The present disclosure is directed to a film for a cell pouch and a manufacturing method thereof. A cell pouch film and a manufacturing method thereof according to an example embodiment of the present disclosure has good mechanical strength, low deviation in mechanical strength due to low stress on the film, and good formability.
H01M 50/129 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic material
6.
FILM FOR CELL POUCH WITH MINIMAL DEFORMATION OF LAMINATE AND MANUFACTURING METHOD THEREOF
Disclosed are a film for cell pouch, that may minimize the winding tension applied to the metal layer and the film for the cell pouch, thereby minimizing the mechanical deformation of the metal layer, minimizing the deformation of a film laminate for cell pouch, and that may improve tensile strength and formability according to the improvement in the manufacturing process, and improving curl characteristics before and after molding, according to an improvement in the manufacturing process; a cell pouch including the same; and a method for manufacturing the said film for cell pouch.
H01M 50/122 - Composite material consisting of a mixture of organic and inorganic materials
H01M 50/129 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic material
H01M 50/138 - Primary casings, jackets or wrappings of a single cell or a single battery adapted for specific cells, e.g. electrochemical cells operating at high temperature
Proposed are a method and apparatus for manufacturing a laminate film for a cell-type battery pouch. More specifically, the present disclosure relates to a technology of manufacturing a pouch film used to manufacture a pouch-type battery. Specifically, when manufacturing a laminate film for a pouch using a dry lamination process, induction heating rolls that are controllable in heat generation thereof are used to perform a post thermal treatment process after performing a lamination process using thermal rolls. The method and apparatus can reduce an aging period that is required to improve the physical properties of a manufactured pouch or can improve the physical properties of a manufactured pouch without an aging process.
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B32B 37/06 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
B32B 37/08 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
B32B 38/00 - Ancillary operations in connection with laminating processes
B32B 39/00 - Layout of apparatus or plants, e.g. modular laminating systems
8.
POUCH FILM FOR SECONDARY BATTERY HAVING HIGH POISSON'S RATIO, METHOD FOR PREPARING THE POUCH FILM, SECONDARY BATTERY USING THE SAME AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY
Provided is a secondary battery pouch film in which at least an outer layer, a barrier layer, and a sealant layer are structured in that order, wherein the outer layer includes nylon and polyethylene terephthalate films, the barrier layer is made of aluminum, and the Poisson's ratio is 0.4 to 0.5, a method for preparing the pouch film, a secondary battery using the same, and a method for manufacturing the secondary battery. The cracks at the edge that occur during deep forming of the secondary battery pouch film may be suppressed, and the edge may be formed thick, thereby providing excellent high formability. Since the secondary battery pouch film is capable of improving the energy density of secondary batteries, it is particularly useful as a medium to large-sized secondary battery pouch film for electric vehicles or energy storage devices.
H01M 50/129 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic material
9.
CELL POUCH FILM MAINTAINING OR INCREASING HIGH-TEMPERATURE SEALING STRENGTH, METHOD FOR PREPARING THE SAME, SECONDARY BATTERY USING THE CELL POUCH AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY
Disclosed is a cell pouch film, comprising at least an outer layer, a barrier layer, and a sealant layer structured in that order, wherein the sealant layer is formed by extrusion on the barrier layer, wherein the sealant layer has a glass transition temperature (Tg) of −10° C. to −7° C., and wherein a crystallinity of the sealant layer is 28% to 32%, a preparation method thereof, a secondary battery using the cell pouch film, and a manufacturing method for the secondary battery. The sealing strength of the pouch film may be maintained or increased at high temperatures, thereby providing excellent high-temperature stability, which prevents electrolyte leakage during battery use in high-temperature environments and ensures battery safety with fewer defects.
H01M 50/124 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure
10.
POUCH FILM FOR SECONDARY BATTERY WITH EXCELLENT ROOM TEMPERATURE AND HIGH TEMPERATURE SEALING STRENGTH WHERE SEALANT LAYER YIELD STRENGTH, SEALANT LAYER THICKNESS RATIO AND SEALANT LAYER GLASS TRANSITION TEMPERATURE ARE CONTROLLED, METHOD FOR PREPARING THE POUCH FILM, SECONDARY BATTERY USING THE SAME AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY
Disclosed is a secondary battery pouch film including a layered structure wherein at least an outer layer, a barrier layer, and a sealant layer are structured in that order, wherein the sealant layer includes an extrusion (EC) layer and a polypropylene (PP) layer below the extrusion (EC) layer, wherein a thickness ratio of the polypropylene (PP) layer to the sealant layer is more than 0.5, wherein an upper yield strength (N/mm2) in an MD direction of the sealant layer is 17.50 to 19.99, and an upper yield strength (N/mm2) in a TD direction thereof is 17.00 to 19.99, wherein a glass transition temperature (Tg) of the sealant layer is −20° C. to −10° C. The pouch film not only has excellent sealing strength at ambient temperature and high temperature, but also has excellent sealing strength maintenance at ambient temperature and especially at high temperature.
H01M 50/198 - Sealing members characterised by the material characterised by physical properties, e.g. adhesiveness or hardness
11.
POUCH FILM FOR SECONDARY BATTERY WITH EXCELLENT ROOM TEMPERATURE AND HIGH TEMPERATURE SEALING STRENGTH, METHOD FOR PREPARING THE POUCH FILM, SECONDARY BATTERY USING THE SAME AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY
A pouch film for a secondary battery, wherein at least an outer layer, a barrier layer, and a sealant layer are structured in this order, the sealant layer includes an extrusion (EC) layer and a polypropylene (PP) layer below the extrusion (EC) layer, having excellent sealing strength at ambient and high temperatures, and having excellent sealing strength maintenance properties at ambient and especially high temperatures, a method for preparing the pouch film, a secondary battery using the pouch film, and a method for manufacturing the same are disclosed. The pouch film for the secondary battery has excellent high temperature long-term reliability in battery pack manufacturing, and can be useful for medium to large-sized batteries.
H01M 50/131 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by physical properties, e.g. gas-permeability or size
H01M 10/04 - Construction or manufacture in general
H01M 50/129 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic material
12.
POUCH FILM FOR SECONDARY BATTERY WITH EXCELLENT ROOM TEMPERATURE AND HIGH TEMPERATURE SEALING STRENGTH CHARACTERISTICS IN WHICH TEARING THICKNESS RATIO OR TEARING THICKNESS DIFFERENCE IS CONTROLLED, METHOD FOR PREPARING THE SAME, SECONDARY BATTERY USING THE SAME, AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY
Disclosed is a secondary electrode pouch film comprising at least an outer layer, a barrier layer, and a sealant layer laminated sequentially, wherein the sealant layer thickness T1 and T2 measured according to a tear test method satisfy 0.6
H01M 50/124 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure
13.
CELL POUCH FILM HAVING HIGH RIGIDITY, HIGH FORMABILITY AND EXCELLENT INSULATION RESISTANCE PROPERTIES AND METHOD FOR PREPARING THE SAME, SECONDARY BATTERY USING THE CELL POUCH FILM AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY
Disclosed is a cell pouch film and a method for preparing the same, secondary battery using the same, and a method for manufacturing the secondary battery, wherein the cell pouch film includes at least an outer layer, a barrier layer, and a sealant layer which is an inner layer, the outer layer comprises a PET film of 7 to 12 μm on an outer side and a nylon film of 20 to 30 μm in an inner side, the barrier layer has a thickness of 60 to 80 μm, and the inner layer has a thickness of 60 to 100 μm. The cell pouch film is excellent in insulation resistance properties while having high rigidity and high formability, and this is useful as a medium and large size, particularly next-generation cell pouch for electric vehicles.
H01M 50/129 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic material
H01M 50/131 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by physical properties, e.g. gas-permeability or size
14.
SECONDARY BATTERY POUCH FILM HAVING EXCELLENT WEIGHT REDUCTION AND STABILITY AND METHOD FOR DESIGNING SAME, AND SECONDARY BATTERY USING SAME AND METHOD FOR MANUFACTURING SAME
Disclosed are a secondary battery pouch film and a method for designing same, and a secondary battery using same and a method for manufacturing same, the secondary battery pouch film having at least an outer layer, a barrier layer, and a sealant layer sequentially laminated therein, wherein the weight per unit volume of the secondary battery film is greater than 1.45 mg/mm3and less than 1.6 mg/mm3. Accordingly, by adjusting the weight per unit volume of the secondary battery pouch film and the weight of a pouch additionally used during molding, it is possible to very easily ensure the reliability and safety of the secondary battery pouch film while maximizing weight reduction. The secondary battery pouch film is particularly useful in the pouch manufacturing process for medium- to large-sized secondary batteries, especially secondary batteries for electric vehicles, which require weight reduction, reliability, and safety.
H01M 50/131 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by physical properties, e.g. gas-permeability or size
H01M 50/126 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure comprising three or more layers
H01M 50/249 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
H01M 50/251 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
POUCH FILM FOR SECONDARY BATTERY WITH CONTROLLED THICKNESS PARAMETER ACCORDING TO SOLVENT DRY LAMINATION OR EXTRUSION LAMINATION AND METHOD FOR PREPARING THE SAME, SECONDARY BATTERY USING THE POUCH FILM AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY
Provided is a secondary battery pouch film, comprising an outer layer, a metal layer, and a sealant layer, wherein the sealant layer comprises a cast polypropylene (CPP) layer without an extruded polypropylene (PP) layer or comprises the cast polypropylene (CPP) layer and the extruded polypropylene (PP) layer, and the secondary battery pouch film satisfies specific equations. The pouch film has excellent formability, curling, insulation, bending, and peel strength.
H01M 50/129 - Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic material
POUCH FILM FOR SECONDARY BATTERY ACCORDING TO EXTRUSION LAMINATION WITH CONTROLLED THICKNESS PARAMETER AND METHOD FOR PREPARING THE SAME, SECONDARY BATTERY USING THE POUCH FILM AND METHOD FOR MANUFACTURING THE SECONDARY BATTERY
Disclosed is a secondary battery pouch film, including an outer layer, a metal layer, and a sealant layer, wherein the sealant layer includes a cast polypropylene (CPP) layer and an extruded polypropylene (PP) layer, and the secondary battery pouch film satisfies the [Equation 1] where A+B<1.354, 0.6≤C. In [Equation 1], A is a value obtained by dividing a thickness of the metal layer by a total thickness of the secondary battery pouch film, B is a value obtained by dividing a thickness of the metal layer by a thickness of the sealant layer, and C is a value obtained by dividing a thickness of the extruded polypropylene (PP) layer of the sealant layer by a thickness of the cast polypropylene (CPP) layer of the sealant layer. The pouch film has excellent formability, curling, insulation, bending, and peel strength.
Disclosed are a method for manufacturing a secondary battery pouch film having at least an outer layer, a metal layer, a primer layer, and a sealant layer, or at least an outer layer, a metal layer, a primer layer, a melt-extrusion resin layer, and a sealant layer in this order, the method including: a drying process of applying and heating a primer layer composition on the metal layer so as to dry the primer layer composition and cure at least a part of the primer layer composition. The organic solvent-based emulsion composition contains acid-modified polypropylene and a curing agent and has a curing start temperature of 150° C. or lower, preferably 135° C. to 150° C., and a drying process temperature of 150° C. or lower, preferably 135° C. to 150° C. The method is not subjected to a thermal lamination process when laminating sealant layer.
Disclosed are a method for manufacturing a secondary battery pouch film having at least an outer layer, a metal layer, a primer layer, and a sealant layer, or at least an outer layer, a metal layer, a primer layer, a melt-extrusion resin layer, and a sealant layer in this order, the method including: a drying process of applying and heating a primer layer composition on the metal layer so as to dry the primer layer composition and cure at least a part of the primer layer composition. The organic solvent-based emulsion composition contains acid-modified polypropylene and a curing agent and has a curing start temperature of 150° C. or lower, preferably 135° C. to 150° C., and a drying process temperature of 150° C. or lower, preferably 135° C. to 150° C. The method is not subjected to a thermal lamination process when laminating sealant layer.
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY (Republic of Korea)
Inventor
Kim, Hyoung-Juhn
Jang, Jong Hyun
Lee, So Young
Kim, Bohyun
Choi, Sun-Hee
Han, Jonghee
Kim, Jin Ho
Park, Jong Hyub
Abstract
Disclosed is an electrolyte membrane for a fuel cell including a polymer blend of a sulfonated polyethersulfone copolymer, hydroxyl group-containing polyethersulfone copolymer and a hydroxyl group-containing sulfonated polyethersulfone copolymer.
H01M 8/1027 - Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having carbon, oxygen and other atoms, e.g. sulfonated polyethersulfones [S-PES]
H01M 8/1044 - Mixtures of polymers, of which at least one is ionically conductive
H01M 8/1081 - Polymeric electrolyte materials characterised by the manufacturing processes starting from solutions, dispersions or slurries exclusively of polymers
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY (Republic of Korea)
Inventor
Kim, Hyoung-Juhn
Park, Jong Hyub
Kim, Jin Ho
Lee, So Young
Abstract
As a polymerization solvent for use in the polymerization of monomers for a hydrocarbon-based electrolyte polymer, a mixed solvent containing a first solvent, such as dimethyl acetamide, N-methylpyrrolidone or dimethyl sulfoxide, and an alcohol as a second solvent is used instead of a dimethyl acetamide/toluene mixture or dimethyl acetamide alone according to the related art. By using the mixed solvent, it is possible to obtain a molecular weight of polymer equal to or higher than the molecular weight of polymer obtained from the method according to the related art, even when the reaction time is reduced. Therefore, the disclosed method and polymerization solvent is very useful for a mass production of a hydrocarbon-based electrolyte polymer.
Provided are a host material for a blue phosphor, and an organic thin film and an organic light-emitting device including the same. The host material for a blue phosphor is such that a carbazole compound is bonded around a central atom, wherein the central atom is a Group 14 element, and the carbazole compound bonded around the central atom is 3 or 4, wherein the carbazole compound. includes carbazole in which an alkyl group is substituted The host material for a blue phosphor has high triplet energy (ET) and excellent electrical mobility and thermal stability. As a result, the organic thin film, which includes the host material, and the organic light-emitting device, which includes the organic thin film, implement a deep blue color and have excellent luminous efficiency.
H01L 29/08 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified, or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
H01L 51/00 - 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
H05B 33/14 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material
H01L 51/52 - 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) - Details of devices
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)
22.
Composition for a starch container, starch container using same, and method for manufacturing the starch container
Provided is a composition for a starch container, comprising: 20 to 60 weight % of an undenatured starch; 5 to 30 weight % of a pulp fiber powder; 0.1 to 2 weight % of a photocatalyst; 0.5 to 5 weight % of a release agent; and 0.01 to 5 weight % of a capsule type blowing agent preparations; and the remainder being a solvent. Also provided is a starch container using the composition. The above-described composition of the present invention may be used not only as a material for a disposable container which has improved blowing property, and which is lightweight and has improved moldability, but also as a material for an eco-friendly starch container having eco-friendly characteristics.
C08J 9/32 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
23.
NOVEL INTERMETALLIC COMPOUND, AND BLUE PHOSPHORESCENT ORGANIC LIGHT-EMITTING DIODE INCLUDING SAME
The present invention relates to a novel intermetallic compound and to a blue phosphorescent organic light-emitting diode including same. The present invention relates to an intermetallic compound represented by a particular chemical formula and to a blue phosphorescent organic light-emitting diode including same, wherein the compound has a rigidly structured ancillary ligand so as to have excellent chromaticity and a long lifespan.
C07F 15/00 - Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic System
C07F 7/10 - Compounds having one or more C—Si linkages containing nitrogen
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)
24.
BACKSHEET FOR SOLAR CELL MODULE AND SOLAR CELL MODULE COMPRISING SAME
The present invention relates to a backsheet for a solar cell module and a solar cell module comprising same. The present invention provides the backsheet for the solar cell module and to the solar cell module comprising the backsheet for the solar cell module, the backsheet for the solar cell module comprising: a polyester film layer; and polyethylene film layers, which are formed on both surfaces of the polyester film layer and contain a white inorganic material. The present invention can be provided at an affordable price, and has superior adhesive properties and moisture barrier properties (water vapor-permeability preventing properties).
The present invention relates to a backsheet for a solar cell module and to a solar cell module comprising same. The present invention provides the backsheet for the solar cell module and the solar cell module comprising same, the backsheet for the solar cell module comprising: a substrate; a surface layer formed on one surface of the substrate; and a heat dissipation fluorine paint coating layer, which is formed on the other surface of the substrate, containing a heat dissipation material and a fluorine resin. The present invention has superior durability and heat dissipation properties, thereby promoting a longer life, and enhances the amount of power generation (photoconversion efficiency) by the solar cell by efficiently emanating (emitting) heat that is generated from the solar cell. In addition, the present invention can be distributed at an affordable price and has improved adhesive properties, among others.
H01L 31/052 - Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
26.
NOVEL COMPOUND HAVING STABILITY, AND CHARGE TRANSFER MATERIAL AND BLUE PHOSPHORESCENT ORGANIC LIGHT EMITTING DIODE COMPRISING SAME
The present invention relates to a novel compound, and a charge transfer material and a blue phosphorescent organic light emitting diode comprising (PhOLED) same. The present invention provides a compound in which an aromatic compound is substituted for carborane, and the charge transfer material and the blue PhOLED comprising the compound. The aromatic compound is desirably selected from a triphenylamine compound or a carbazole compound and is substituted at a p- position of the carborane. In the novel compound according to the present invention, the aromatic compound is substated for carbornae, and thus has superior electrical characteristics including high thermal stability, such as glass transition temperature, a wide energy band gap, and charge mobility, thereby improving a light-emitting characteristic of a diode and providing a long life by having electrical stability.
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)
27.
Device and method for generating hydrogen from an ammonia borane-based compound hydrogen reservoir, a catalyst used with the same, and a device for using emitted hydrogen
Provided are: a device and method for generating hydrogen from a hydrogen reservoir, whereby it is possible to produce two weight equivalents of the weight equivalent of the hydrogen which can be emitted from ammonia borane-based compounds, in other words a hydrogen storage capacity of 13.0%, in a short time at low temperature; a catalyst used with the same; and a device for using emitted hydrogen.
C01B 3/02 - Production of hydrogen or of gaseous mixtures containing hydrogen
C01B 3/04 - Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of inorganic compounds, e.g. ammonia
B01J 8/00 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
C01B 3/06 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
H01M 8/04 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
H01M 8/06 - Combination of fuel cells with means for production of reactants or for treatment of residues
F17C 11/00 - Use of gas-solvents or gas-sorbents in vessels
28.
BLUE PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICE HAVING A MINIMAL LAMINATION STRUCTURE
The present invention relates to a blue phosphorescent organic light emitting device having a minimal lamination structure. More particularly, the device of the present invention includes: an anode; an emissive layer disposed on the anode and including a host and dopant; an electron transport layer disposed on the emissive layer; and a cathode disposed on the electron transport layer, wherein the difference between the work function of the anode and the high occupied molecular orbital (HOMO) energy level of the emissive layer is 1.0 eV or less, and the difference between the low occupied molecular orbital (LUMO) energy level of the emissive layer and that of the electron transport layer is 1.0 eV or less. Thus, an excellent blue phosphorescent device may be provided, which may be practically used for a flexible display because the process for manufacturing the device is simple and the thickness of the device is thin, due to a minimal lamination structure.
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)
H05B 33/18 - Light sources with substantially two-dimensional radiating surfaces characterised by the nature or concentration of the activator
Disclosed are a method for manufacturing an oriented polyolefin film for thermal lamination and the oriented polyolefin film for thermal lamination manufactured therefrom. Since the method comprises additional extrusion and cooling steps after orientation in the longitudinal direction, a resin layer is laminated through the additional extrusion step and lamination through successive extrusion thereof is enabled if a resin has a low melting point. Therefore, the manufacturing process is simple and the manufacturing time is reduced, thereby reducing production costs for products and improving an interlayer adhesive force.
Provided are a host material for a blue phosphor, and an organic thin film and an organic light-emitting device including the same. The host material for a blue phosphor is such that a carbazole compound is bonded around a central atom, wherein the central atom is a Group 14 element, and the carbazole compound bonded around the central atom is 3 or 4, wherein the carbazole compound includes carbazole in which an alkyl group is substituted. The host material for a blue phosphor has high triplet energy (ET) and excellent electrical mobility and thermal stability. As a result, the organic thin film, which includes the host material, and the organic light-emitting device, which includes the organic thin film, implement a deep blue color and have excellent luminous efficiency.
An OLED display according to an exemplary embodiment includes: a substrate; an organic light emitting diode formed on the substrate; an overcoat covering the organic light emitting diode; and a patterned metal sheet attached on the overcoat and having a plurality of protrusion and depression portions. A plurality of protrusions may be formed in a bottom surface of the patterned metal sheet where the protrusion and depression portions of the patterned metal sheet and the overcoat face each other.
H01L 29/08 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified, or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
H01L 35/24 - Selection of the material for the legs of the junction using organic compositions
H01L 51/00 - 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
H01L 51/52 - 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) - Details of devices
32.
COMPOSITION FOR A STARCH CONTAINER, STARCH CONTAINER USING SAME, AND METHOD FOR MANUFACTURING THE STARCH CONTAINER
Provided is a composition for a starch container, comprising: 20 to 60 weight % of an undenatured starch; 5 to 30 weight % of a pulp fiber powder; 0.1 to 2 weight % of a photocatalyst; 0.5 to 5 weight % of a release agent; and 0.01 to 5 weight % of capsule type blowing agent preparations, and the remainder being a solvent. Also provided is a starch container using the composition. The above-described composition of the present invention may be used not only as a material for a disposable container which has an improved blowing property, and which is lightweight and has improved moldability, but also as a material for an eco-friendly starch container having eco-friendly characteristics.
B29C 43/02 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
C08J 9/04 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
33.
BACK SHEET FOR A SOLAR CELL MODULE, AND SOLAR CELL MODULE COMPRISING SAME
Provided are a back sheet for a solar cell module, and a solar cell module comprising same. The back sheet for a solar cell module comprises: a heat-dissipating metal layer; an upper anticorrosion layer formed on the upper surface of said heat-dissipating metal layer; a lower anticorrosion layer formed on the lower surface of said heat-dissipating metal layer; and a surface layer formed on said upper anticorrosion layer and adhered to a charging sheet of the solar cell module. The back sheet for a solar cell module according to the present invention has superior heat-dissipating properties and thus may efficiently dissipate (discharge) heat generated in a solar cell, thereby increasing the amount of power generation (photoconversion efficiency) of the solar cell. In addition, the back sheet of the present invention is inexpensive and may improve adhesive force and the like.
B32B 15/085 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyolefins
H01L 31/052 - Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
Provided are a back sheet for a solar cell module and a solar cell module including the same, the solar cell module comprises a polyester film layer and a fluorine coating layer which coats at least one surface of the polyester film layer. The back sheet is formed on an upper surface of the polyester film layer, and includes a polyethylene film layer attached to an ethylene vinyl acetate(EVA) sheet of the solar cell module. The back sheet for the solar cell module can be distributed at a low cost, and has excellent adhesive property, moisture barrier property(water vapor-permeability preventing property) and the like.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
Cell packaging according to one embodiment of the present invention comprises: a base film layer; and a print layer provided beneath or on the base film layer, and including a binder resin and carbon black. The base film layer or print layer of the cell packaging is partially removed by means of laser irradiation to expose the layer under same. Therefore, according to the cell packaging of the invention, a wide range of shapes or logos, etc. can easily be externally displayed so as to be discernible by means of laser irradiation. By thus imparting discernibility and externality to the cell packaging, a labeling process for attaching a separate label to the cell packaging can be excluded.
B32B 3/00 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form
B32B 5/16 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer formed of particles, e.g. chips, chopped fibres, powder
B32B 7/00 - Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical propert; Layered products characterised by the interconnection of layers
H01M 2/34 - Current-conducting connections for cells with provision for preventing undesired use or discharge
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
Disclosed is a laminated film including a carbon layer to prevent a fracture or a crack of a layer or a film adjacent to the carbon layer in the laminated film. The carbon layer provides an elasticity and thus prevents the fracture or the crack of a layer or a film adjacent to the carbon layer in the laminated film.
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
37.
METHOD FOR MANUFACTURING A MULTI-LAYER ORIENTED POLYOLEFIN FILM AND MULTI-LAYER ORIENTED POLYOLEFIN FILM MANUFACTURED THEREBY
This disclosure is directed to a method for manufacturing a multi-layer oriented polyolefin film, and a multi-layer oriented polyolefin film obtained thereby. In the method, a machine direction orientation after an extrusion is followed by an additional extrusion, wherein the additional extrusion allows lamination of a resin layer so that even a low-melting point resin may be laminated via the continuous extrusion. Accordingly, the method allows a simple process, thereby reducing time and cost.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
38.
BACK SHEET FOR SOLAR CELLS AND METHOD FOR PREPARING THE SAME
Provided is a back sheet for solar cells including a substrate, a fluororesin layer existing on one side of the substrate and a heat-dissipating ink layer existing on the other side of the substrate. Provided also is a method for preparing the same. The back sheet for solar cells may have an excellent heat dissipation property as well as a high durability. Further, the method for preparing the same may allow a cost-efficient production of solar cells.
H01L 31/052 - Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
39.
DEVICE AND METHOD FOR GENERATING HYDROGEN FROM AN AMMONIA BORANE-BASED COMPOUND HYDROGEN RESERVOIR, A CATALYST USED WITH THE SAME, AND A DEVICE FOR USING EMITTED HYDROGEN
Provided are: a device and method for generating hydrogen from a hydrogen reservoir, whereby it is possible to produce two weight equivalents of the weight equivalent of the hydrogen which can be emitted from ammonia borane- based compounds, in other words a hydrogen storage capacity of 13.0%, in a short time at low temperature; a catalyst used with the same; and a device for using emitted hydrogen.
The present invention relates to a heat-dissipating tape to be used in a variety of electronic products so as to dissipate heat from said electronic products, and to a method for manufacturing the heat-dissipating tape. The heat-dissipating tape of the present invention comprises: a metal mesh base; and a heat-dissipating paint layer, wherein the heat-dissipating paint layer is formed on one side or either side of the metal mesh base. In addition, the heat-dissipating tape of the present invention comprises: a metal mesh base; a heat-dissipating paint layer; and an adhesive layer, wherein the heat dissipating paint layer is formed on one side or either side of the metal mesh base, and the adhesive layer is made of thermally conductive adhesives. The heat-dissipating tape of the present invention is thin, dissipates heat in a vertical direction with respect to a heat-generating source to thereby achieve improved heat-dissipating effects, and has superior adhesion.
Cell packaging according to one embodiment of the present invention comprises: a base film layer; and a print layer provided beneath or on the base film layer, and including a binder resin and carbon black. The base film layer or print layer of the cell packaging is partially removed by means of laser irradiation to expose the layer under same. Therefore, according to the cell packaging of the invention, a wide range of shapes or logos, etc. can easily be externally displayed so as to be discernible by means of laser irradiation. By thus imparting discernibility and externality to the cell packaging, a labeling process for attaching a separate label to the cell packaging can be excluded.
Disclosed is an anti-cancer medicine comprising a chain end functionalized polymer, a contrast material such as iron oxide and a chemotherapeutic agent such as doxorubicin or pharmaceutically acceptable salts thereof. The anti-cancer medicine performs diagnosis and treatment of cancer at the same time, remarkably reduces a cardiotoxic side effect of the doxorubicin and has an excellent targeting function to the cancer part to considerably increase the anti-cancer effect. At the same time, the anti-cancer medicine is provided as MRI contrast medium which can diagnose the cancer and monitor a progress of the disease. In particular, the anti-cancer medicine is disclosed which is superior to the diagnosis and treatment of the solid cancer and can effectively perform the diagnosis and treatment of the metastatic cancer as well as the primary cancer at the same time.
Disclosed is a protective film-integrated pouch wherein a protective film to protect a display panel and a bag to cover and package the display panel are integrally formed. The protective film-integrated pouch includes a rectangular body, including upper and lower layers, the body having three sealed edges and one opened edge to define an opening, allowing insertion of a display panel into the pouch, wherein each of the upper layer and the lower layer includes a base layer made of a metallic material, an outer surface layer disposed on the base layer, and an inner surface layer disposed on the outer surface layer, wherein the inner surface layer contacts the display panel and is made of a mixed polyethylene resin.
B65D 85/38 - Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for delicate optical, measuring, calculating or control apparatus
Disclosed are a cell pack and a manufacturing method thereof, in which the cell pack is constituted by one or more layers, wherein the layers higher than the first layer contain a flame retardant agent, or have a flame retardant coating layer formed thereon, or use both of the flame retardant and the flame retardant coating layer. As the cell pack of the present invention does not contain a flame retardant film or a flame retardant agent in the cell itself, the cell can be provided with flame retardant properties without increasing the volume of the cell or affecting the operation of the cell.
B65D 85/88 - Containers, packaging elements or packages, specially adapted for particular articles or materials for electrical components for batteries
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
Provided are a protective film and a manufacturing method thereof, in which the protective film includes a co-extruded film composed of an intermediate layer, and a first skin layer and a second skin layer present at both sides with the intermediate layer being disposed therebetween, wherein one or more layers of the first skin layer or the second skin layer contain polymer-based antistatic agents consisting of ethylene-based unsaturated carboxylic acids.
Provided are a label and a method of manufacturing the same, the label comprising: a first base film; a first ink layer formed on the exterior top part of the said first base film, and including a metal or metal oxide that changes from its original colour to another colour by being oxidised by a laser; a resin coating layer coated onto the top part of the said first ink layer to protect the said first ink layer, wherein the laser passing through a part or the whole of the resin coating layer is transmitted to the said first ink layer. According to the present invention, there is no oxidation residue; thus, the efficiency of marking is excellent and any possibility of change in quality due to aging can be eliminated. In addition, the colour rendering is excellent, and the scratch resistance, chemical resistance and heat resistance are superior.
The present invention relates to a film-curling device, a film-splicing device comprising the same, and a splicing method for film using the same. The film-curling device according to the present invention is one in which a film, which has been laminated onto an object, is rolled up in such a way as to cover the end of the object. It comprises a forwarding part for forwarding the object while meshing with the object; and a curling rail which guides the object being moved by means of the forwarding part, and which is provided at an interval of a predetermined spacing from the forwarding part. Here, the curling rail is formed with a guiding recess into which the end part of the object is inserted and which is arranged in such a way as to ensure that the film is curled.
Disclosed is a label comprising a substrate film, or a substrate film and an intermediate film, wherein either or both of the substrate film and the intermediate film have through-holes, and a method for preparing the same. The method for preparing the label causes no generation of defects, and shows an excellent production rate and work efficiency. The label has no possibility of forgery, and shows clear marking characteristics. In addition, the label has a simple structure and excellent printability and cost efficiency, causes no degradation of the quality with time, shows high chemical resistance and heat resistance, is free from various contaminants during use, and is provided with low initial adhesion but high permanent adhesion.
Disclosed is an anti-cancer medicine comprising a chain end functionalized polymer, a contrast material such as iron oxide and a chemother apeut i c agent such as doxorubicin or pharmaceutically acceptable salts thereof. The anti-cancer medicine performs diagnosis and treatment of cancer at the same time, remarkably reduces a cardiotoxic side effect of the doxorubicin and has an excellent targeting function to the cancer part to considerably increase the anti-cancer effect. At the same time, the anti-cancer medicine is provided as MRI contrast medium which can diagnose the cancer and monitor a progress of the disease. In particular, the anti-cancer medicine is disclosed which is superior to the diagnosis and treatment of the solid cancer and can effectively perform the diagnosis and treatment of the metastatic cancer as well as the primary cancer at the same time.
Disclosed is a chain-end functionalized methoxy poly(ethylene glycol) (mPEG), a process of preparing the same, a living methoxy poly(ethylene glycol) for preparing the functionalized methoxy poly(ethylene glycol), a nano-particles of transition metal or metal salt encapsulated in the micelle structure formed by the chain-end functionalized methoxy poly(ethylene glycol), and a method for preparing the nano-particles of transition metal or metal salt.
Provided is a surface protective film comprising a base film; and an adhesive layer formed on the inner side of the base film, wherein the adhesive composition of the adhesive layer comprises 1 to 4 parts by weight of an epoxy-based curing agent based on 100 parts by weight of an acrylic resin having carboxyl functional groups so as to reduce the difference between an adhesion after the compression at high temperature and an initial adhesion at a lamination.
Provided are a pouch for packing a cell such as a lithium secondary cell or a portable storage battery and a method for preparing the same. The pouch for packing a cell such as a lithium secondary cell or a portable storage battery according to the present invention has drastically improved electrolyte resistance, which is particularly required for a cell pouch, and, therefore, is capable of preventing the corrosion of the barrier layer by the electrolyte and preventing de- lamination of the sealant layer from the barrier layer. Further, the pouch for packing a cell according to the present invention it is capable of protecting the cell safely, is shaped freely, has superior barrier property, moldability, impact resistance, air(oxygen) penetration resistance, moisture permeation resistance and piercing strength, reduces manufacturing time, improves process efficiency, reduces cost, and is lightweight.
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
Disclosed is a surface protective film for protecting an optical film having different surface roughness on either side. In the surface protective film of the present invention, the adhesive layer of the upper film of the surface protective film has 7 to 8 times larger adhesion than the adhesive layer of the lower film. The surface protective film of the present invention provides easy winding and unwinding and good protection from impurities or external environment, and is without the problem of the optical film being peeled off together the upper surface protective film, is required.
Disclosed is a surface protective film having a primer layer. The surface protective film according to the present invention has superior durability with no delamination, excellent solvent resistance and superior processability and adhesion, and enables uniform coating.
The present invention provides an apparatus for quantitatively supplying materials comprising: a materials supplying part that supplies gelatinized materials; an extruder that extrudes the materials supplied from the material supplying part, using a screw; a quantitative unit materials ejector that receives the compressed materials from the extruder and produces separate unit materials having a predetermined shape and mass by using reciprocating punching rods; a conveying part that that conveys the unit materials discharged from the quantitative unit materials ejector; and a mass measuring part that measures the mass of the unit materials that are conveyed by the conveying part.
Disclosed are an agglutinant composition for a surface protective film comprising an ion complex polymer anti-static agent, wherein the agglutinant composition comprises 1 to 5 weight parts of the ion complex polymer anti-static agent, 1-20 weight parts of a curing agent and 100 weight parts of an acryl based resin, and a surface protective film using the agglutinant composition.
C09J 133/06 - 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
Disclosed is a surface protective film comprising a substrate film and an adhesive layer formed on an inner side of the substrate film. The film further comprises an inner surface coating layer formed between the substrate film and the adhesive layer and containing conductive particles ATO 40-100 weight parts for urethane-based or acryl-based resin 100 weight parts. The surface protective film prepared according to the invention is capable of securing an EDS function (to prevent the member to be adhered due to the static electricity from being stuck to something else after releasing the surface protective film) as well as an electrification prevention function and a constant adhesive force and does not exhibit the adhesive-pushed phenomenon and the problem that the above physical properties are changed as time goes by.
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
Disclosed is a label having an ink layer which has a metal or a metal oxide as its pigment, the color of the metal or the metal oxide being changed with an oxidation reaction of the metal or the metal oxide by laser irradiation, the laser irradiation causing the oxidation reaction of the metal oxide so as to make the metal oxide change in its oxidation number or come to a complete oxidation state from an incomplete oxidation state.
Provided is a releasing film comprising a paper, an adhesive layer formed on either one or both faces of the paper, and a polypropylene-based film provided on either one or both faces of the paper with the adhesive layer interposed therebetween, wherein the polypropylene-based film is composed of a single or multi-layer of polypropylene -based resin having methyl group, and the single layer or the outermost layer of the multi-layer directly contacts the adhesive layer on a region where the releasing film is to be attached.
B32B 27/10 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of paper or cardboard
B32B 7/06 - Interconnection of layers permitting easy separation
60.
A CHAIN-END FUNCTIONALIZED POLY(ETHYLENE OXIDE) AND PROCESS FOR THE PREPARATION OF A NANO-SIZED TRANSITION METAL OR METAL SALT USING THE SAME
There is provided a novel chain-end functionalized PEO of formulas (I) to (IV) prepared via living anionic polymerization and chain-end functionalization, as well as a simple method of preparing nano-sized transition metal or metal salt particles using the same, which can be readily stabilized even in an aqueous medium. The water-soluble PEO-based polymers having various functional groups (including a drug group such as vitamin and anti-cancer agent) and the process of preparing nano-sized transition metal or metal salt particles using the same can be advantageously used in the development of new materials for drug delivering system and imaging, e.g., a contrast agent and an anti-cancer agent simultaneously.
Disclosed are a method and an apparatus for cutting sheet of composition for starch bowl in fixed quantity wherein the fixed quantity cutting of extruded sheets is smooth and easy, and the overall density of the cut unit sheets is uniform, and moreover there is little or no weight difference between the unit sheets thereby decreasing the occurrence of inferior products in molding significantly.
Disclosed are an apparatus and a method to form a starch bowl using mold having vent hole for discharging a gas or a residue of foaming composition for starch bowl during the molding process. According to the present invention, the molding property of the starch bowl is excellent, the defective proportion of product can be decreased. In addition, the prepared starch bowl can be easily detached from the mold after molding.
B29C 33/10 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor with incorporated venting means
63.
COVER TAPE FOR PACKAGING ELECTRONIC PARTS AND METHOD FOR PREPARING THE COVER TAPE
Disclosed are a cover tape for packaging electronic parts comprising heat-seal layer formed by gravure-coating and a method for preparing the cover tape. The cover tape according to the present invention is excellent in heat-seal property, peel-off strength, anti-blocking property, haze, etc. and to this end also in work efficiency.
patents
