The present application relates to a cord containing para-based aramid fibers, a method for manufacturing same, and a reinforcing material and a tire each comprising the cord. Specifically, the cord can be advantageously used as a tire reinforcing material due to the high resistance to the deformation caused by external force since the cord contains para-based aramid fibers having excellent mechanical properties through large crystal sizes and high crystallinity.
A recycled PET film according to the present invention can have significantly low yellowing and color difference values compared to conventional recycled PET films due to the inclusion of a complementary colorant containing a glycerin-based compound, and at the same time satisfy breaking strength and thermal shrinkage levels to replace a new PET material.
The present invention may provide recycled chips having a significantly low melt resistivity and an excellent dispersivity for metallic compounds, and a recycled PET film made entirely of the recycled chips or at least 95% by weight thereof may exhibit the effects of the recycled chips through remarkable transparency, small difference in chromaticity, and a small number of pinholes or by preventing the formation of fracture holes.
The present application relates to an insulation film and a laminate comprising same. The insulation film has excellent adhesion to a metal layer that is laminated therewith, as well as excellent heat resistance and film forming properties. The insulation film can be used to manufacture a laminate, such as FCCL, in conjunction with a metal layer comprising copper, and is suitable for use in components for 5th-generation mobile communications.
C08L 101/00 - Compositions of unspecified macromolecular compounds
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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 15/09 - 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 15/20 - Layered products essentially comprising metal comprising aluminium or copper
5.
RECYCLED PET FILM MANUFACTURED USING RECYCLED CHIPS
The present invention provides: a recycled chip which has intrinsic viscosity and a DEG unit content within specific ranges and realizes remarkable film-forming properties; and a recycled PET film manufactured therefrom and not only having excellent breaking strength and elongation at break, but also having a significantly low heat shrinkage rate, to solve the low breaking strength and elongation at break and high heat shrinkage rate of conventional recycled PET films.
The present invention provides a backsheet for a solar module, comprising a substrate layer and a self-healing layer formed on the substrate layer. Also, the present invention provides a method for manufacturing a backsheet for a solar module, the method comprising the steps of: (S1) forming an in-line coating layer by applying a composition including a modified polyolefin-based resin and a crosslinking agent onto one side of a polyester film by an in-line coating method; and (S2) forming, on the in-line coating layer, a self-healing layer including polyurethane resin containing an aromatic disulfide group.
H01L 31/18 - Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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
The present invention relates to a cartridge for a fuel cell humidifier, and a fuel cell humidifier, wherein the cartridge is provided in the fuel cell humidifier that humidifies dry gas to be supplied to a fuel cell stack by using wet gas, and comprises: an inner case having openings at respective ends; an inner inlet formed in the inner case and configured to introduce first gas into the inner case; an inner outlet disposed at a position spaced apart from the inner inlet along a first axis direction and configured to discharge the first gas from the interior of the inner case; and a hollow fiber membrane bundle contained inside the inner case, wherein the hollow fiber membrane bundle comprises a plurality of interlaced hollow fiber membranes formed by interlacing at least two hollow fiber membranes.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
The present invention relates to a hollow fiber membrane cartridge, a humidifier for a fuel cell, and the fuel cell including same. The hollow fiber membrane cartridge has excellent heat and hydrolysis resistance and has a heat deflection temperature of 120°C or higher and a hygroscopicity of 1% or less, and thus can minimize the degradation of mechanical properties and dimensional change that can occur during the use of the fuel cell and thereby increase the durability of a product.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
The present invention provides a smoking product filter and a smoking product comprising same, the filter comprising: lyocell tow including lyocell fibers; a binder solution; and a filter wrapping paper, and having, according to ASTM D6691, a biodegradability of at least 90% within 6 months under marine conditions at 30℃.
Provided is a membrane-electrode assembly having both improved performance and durability. One embodiment of the present invention provides a membrane-electrode assembly comprising: a polymer electrolyte membrane; a first catalyst layer disposed on at least one surface of the polymer electrolyte membrane; and a second catalyst layer disposed on the polymer electrolyte membrane, wherein the first catalyst layer is interposed between the polymer electrolyte membrane and the second catalyst layer, and the first catalyst layer includes platelet mesoporous carbon.
An embodiment of the present invention provides an optical film and a display device comprising the optical film, the optical film comprising a light-transmissive matrix containing a polymer resin and nanowires dispersed in the light-transmissive matrix, wherein: the polymer resin comprises at least one of an imide repeating unit and an amide repeating unit; the nanowires comprise crystallites; and the crystallites are linear.
G02F 1/1335 - Structural association of cells with optical devices, e.g. polarisers or reflectors
G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
H10K 59/00 - Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group
An embodiment of the present invention provides an optical film and a display device including same, the optical film comprising: a light-transmissive matrix; and a filler dispersed in the light-transmissive matrix, wherein the filler has a fiber shape, and when A denotes the diameter of the filler and B denotes the length of the filer, B/A ranges from 10 to 500.
G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
H10K 59/00 - Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group
G02F 1/1335 - Structural association of cells with optical devices, e.g. polarisers or reflectors
G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
The present invention relates to a polymer electrolyte membrane comprising an ion conductor having ionic conductivity, wherein the polymer electrolyte membrane has an initial storage modulus in machine direction (MD) of 500 MPa or greater and an initial storage modulus in transverse direction (TD) / an initial storage modulus in machine direction (MD) of 0.5-1.0.
The present invention relates to a packing unit for a fuel cell humidifier, and a fuel cell humidifier, the packing unit comprising: a first packing body airtightly coupled to one end of a mid-case through mechanical assembly so that a first cap fluidically communicates only with hollow fiber membranes; and a condensate water discharge portion formed in the first packing body, wherein the condensate water discharge portion has one end fluidically communicating with the inside of the first cap and has the other end fluidically communicating with the inside of the mid-case so that condensate water located inside the first cap is discharged to the inside of the mid-case.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
15.
MEMBRANE-ELECTRODE ASSEMBLY AND FUEL CELL COMPRISING SAME
Provided is a membrane-electrode assembly, of which both performance and durability are improved. An embodiment of the present invention provides a membrane-electrode assembly comprising a polymer electrolyte membrane and a catalyst layer disposed on at least one surface of the polymer electrolyte membrane, wherein the catalyst layer comprises platelet mesoporous carbon having a short-axis pore form and has no metal nanoparticles supported thereon, the catalyst layer being a single layer.
The present invention relates to a mid-case of a humidifier for a fuel cell, and to a humidifier for a fuel cell, the mid-case comprising: a mid-body accommodating at least one cartridge including a plurality of hollow fiber membranes; and a bypass portion which diverts a first gas introduced through a first gas inlet of a first cap and introduces the first gas toward the cartridge accommodated inside the mid-body, wherein the bypass portion protrudes from the mid-body at a position overlapping with respect to the cartridge accommodated inside the mid-body.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
17.
MID-CASE OF HUMIDIFIER FOR FUEL CELL AND HUMIDIFIER FOR FUEL CELL
The present invention relates to a mid-case of a humidifier for a fuel cell and a humidifier for a fuel cell, comprising: a mid-body that accommodates at least one cartridge including a plurality of hollow fiber membranes; a partition wall part disposed inside the mid-body and partitioning the inside of the mid-body into an inflow space into which a first gas flows and an outflow space through which the first gas flows out; and a bypass hole formed through the partition wall part such that a portion of the first gas introduced into the inflow space bypasses the cartridge and flows into the outflow space.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
18.
ADHESIVE COMPOSITION, RUBBER REINFORCEMENT MATERIAL AND PRODUCT
The present application relates to: an adhesive composition comprising at least naturally-derived acid, a nitrogen compound and latex; and a rubber reinforcement material and a product which comprise same.
The present invention provides a filter for a smoking article and a manufacturing method therefor, the filter comprising: a lyocell tow including a plurality of lyocell fibers; a phenol-related functional material; and a binder, and provides a smoking article including the filter for a smoking article.
Provided is an ion conductor dispersion capable of improving the chemical and mechanical durability of a polymer electrolyte membrane. The ion conductor dispersion according to the present invention includes an ion conductor, a crosslinking agent, and a solvent, and has a contact angle of at most 135° with respect to a polytetrafluoroethylene (PTFE) porous membrane. Here, the contact angle is measured 1 second after the ion conductor composition is dropped on the polytetrafluoroethylene (PTFE) porous membrane under the conditions of 25°C and a relative humidity of 60%.
H01M 8/1044 - Mixtures of polymers, of which at least one is ionically conductive
H01M 8/1062 - Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the physical properties of the porous support, e.g. its porosity or thickness
H01M 8/1081 - Polymeric electrolyte materials characterised by the manufacturing processes starting from solutions, dispersions or slurries exclusively of polymers
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
Provided is a cigarette filter comprising: lyocell tow composed of a plurality of lyocell fibers; and a binder binding the lyocell fibers to each other. The cigarette filter according to one embodiment of the present invention reduces 70% by weight to 95% by weight of tar and nicotine, respectively, due to cigarette smoke. The cigarette filter according to one embodiment of the present invention has resistance of suction in smoking of 80mmWG to 200mmWG. In the cigarette filter according to one embodiment of the present invention, the lyocell tow is filled in the cigarette filter at a packing density of 0.2 g/mL to 0.6 g/mL. The cigarette filter according to one embodiment of the present invention solves the material problems of the lyocell tow, such as hardness, and furthermore has excellent filtration functionality as a filter.
Provided is a catalyst layer which improves the performance and durability of a membrane-electrode assembly. An aspect of the present invention provides a catalyst layer which has a flexural modulus of 50 to 400 MPa and a flexural strength of 0.3 to 10 MPa.
The present invention relates to a polymer electrolyte membrane, a membrane-electrode assembly comprising same, and an electrochemical device. The polymer electrolyte membrane comprises a porous support and an ion conductor filled in pores of the porous support, wherein the porous support is a polymer electrolyte which is a metal porous support. According to the present invention, provided is a polymer electrolyte membrane of which chemical durability and mechanical durability are improved at the same time and which can provide good battery performance.
H01M 8/1062 - Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the physical properties of the porous support, e.g. its porosity or thickness
H01M 8/1058 - Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties
H01M 8/106 - Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the chemical composition of the porous support
H01M 8/102 - Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
The present invention relates to a membrane-electrode assembly comprising a fluorine-containing catalyst layer, and a fuel cell comprising same. The membrane-electrode assembly of the present invention comprises a fluorine-containing catalyst layer, and thus exhibits high hydrophobicity through a fluorine-doped or fluorine-containing nano-coating, thereby enabling the implementation of excellent water-repellent properties. Accordingly, water management in an electrode may be improved, and the durability and performance of the membrane-electrode assembly may be enhanced.
The present invention relates to a fuel cell catalyst preparation method and a fuel cell catalyst, the method comprising the steps of: (a) permeating a metal catalyst precursor or a metal catalyst seed into pores in a porous support; (b) producing metal catalyst particles by reducing the metal catalyst precursor or the metal catalyst seed; (c) removing metal catalyst particles which are outside of the pores of the support or which exhibit a weak binding force; and (d) by reducing and growing the metal catalyst particles by adding an additional metal catalyst precursor and a reducing agent, obtaining post-growth metal catalyst particles which are more stably supported.
The present invention relates to: a method for manufacturing a CNT-ionomer bond-reinforced composite; and a membrane-electrode assembly manufactured using same. More specifically, the method comprises: a first step for preparing a CNT-ionomer composite dispersion by dispersing and mixing each of ionomer and carbon nanotubes (CNT) at a concentration of 0.1 to 5 wt% in a solvent; a second step for preparing a CNT-ionomer composite by drying the CNT-ionomer composite dispersion of the first step; and a third step for preparing a reinforced composite by heat-treating the dried CNT-ionomer composite of the second step.
The present invention relates to a method for manufacturing a polymer electrolyte membrane and, specifically, to a method for manufacturing a polymer electrolyte membrane, the method comprising the steps of: preparing a composition for printing, containing a functional additive; and forming a digital print layer by printing the composition for printing on one side or both sides of the polymer electrolyte membrane by using a digital printing device.
The present invention relates to a method for preparing a fuel cell catalyst comprising a porous carrier having adjusted physical properties, a fuel cell catalyst, and a membrane-electrode assembly and, more specifically, to a method for preparing a fuel cell catalyst, a fuel cell catalyst, and a membrane-electrode assembly, the method comprising: a first step of preparing a porous carrier; and a second step of preparing a fuel cell catalyst by supporting a metal catalyst on the porous carrier of the first step, wherein the porous carrier has specific pore physical properties.
The present invention relates to biodegradable particles, a manufacturing method thereof, and a cosmetic composition comprising same, and particularly, to biodegradable particles, of which biodegradability is improved by adjusting the components contained in the biodegradable particles and the amounts thereof and which can minimize emission of environmental pollutants during the manufacturing process, a manufacturing method thereof, and a cosmetic composition comprising same.
A61K 8/02 - Cosmetics or similar toiletry preparations characterised by special physical form
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
A61K 8/84 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions other than those involving only carbon-to-carbon unsaturated bonds
The present invention relates to a polyethylene terephthalate film for a flexible display and a manufacturing method therefor. In particular, the present invention provides a polyethylene terephthalate film for a flexible display, which is a balanced type with similar moduli in both MD and TD directions and enables multi-folding/bending as well as single-direction folding.
The present invention relates to a fuel cell manufacturing apparatus and a fuel cell manufacturing method using same and, more specifically, to: a fuel cell manufacturing apparatus comprising a porous adsorption plate, a porous sheet and a control film; and a fuel cell manufacturing method using same.
A flux cored wire according to one aspect of the present invention actively suppresses the formation of pores and oxides in a coating layer while allowing the formation of at least a certain amount of carbides and borides in the coating layer when applied to twin wire arc spraying, and thus can effectively improve the wear resistance of the coating layer.
The present invention relates to a polyester-based release film. Specifically, the present invention provides a polyester release film in which a plurality of respective surface layers having different types of particle size distributions are deposited, and thus provides a polyester-based release film, which is excellent in winding properties on a roll and slip properties and has less pinhole occurrence in the preparation of a thin-film ceramic sheet by application of a ceramic slurry.
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
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 38/00 - Ancillary operations in connection with laminating processes
B29C 48/18 - Articles comprising two or more components, e.g. co-extruded layers the components being layers
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
B29C 55/02 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
The present invention provides a cigarette filter, a smoking article comprising same, and a method for producing the cigarette filter, the cigarette filter comprising: lyocell tow comprising a lyocell fiber bundle; a humectant; and a binder.
The present invention relates to an optical film and a method of preparing same, the optical film comprising a polymer resin comprising imide repeating units and amide repeating units, the amide repeating units being included at a ratio of at least 80% relative to the imide repeating units and the amide repeating units.
C08L 79/08 - Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
36.
MEMBRANE-ELECTRODE ASSEMBLY AND FUEL CELL COMPRISING SAME
The present invention relates to a membrane-electrode assembly and a fuel cell comprising same and, more specifically, to a membrane-electrode assembly and a fuel cell comprising same, the membrane-electrode assembly comprising: a polymer electrolyte membrane; a sub gasket formed to cover the circumferential portion of the polymer electrolyte membrane; an electrode layer formed on the central portion of the polymer electrolyte membrane while being spaced apart from the sub gasket; an adhesive part formed between the sub gasket and the electrode layer and on the polymer electrolyte membrane; and a gas diffusion layer formed on the electrode layer and the adhesive part, whereby the durability and catalyst usage rate of the membrane-electrode assembly are improved.
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
H01M 8/242 - Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes comprising framed electrodes or intermediary frame-like gaskets
The present invention relates to an adhesion-imparting resin comprising (a) a repeating unit derived from a petroleum resin monomer and (b) a repeating unit derived from an ethylenically unsaturated monomer, which comprises an epoxy group, and having a weight average molecular weight of 5,000 g/mol or less, and has excellent compatibility and reactivity with a specific base compound such that the transparency and heat resistance of an adhesive agent can be improved.
C08L 25/18 - Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
C08L 31/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of c; Compositions of derivatives of such polymers
38.
LYOCELL MATERIAL, SMOKING ARTICLE FILTER, SMOKING ARTICLE, AND METHOD FOR MANUFACTURING SAME
The present application relates to a lyocell material, a smoking article filter comprising the lyocell material, and a method for manufacturing same. The lyocell material and the smoking article filter comprising same, manufactured according to the present application, replace conventional cellulose acetate materials and filters, have excellent biodegradability, and provide excellent filter manufacturing processability and excellent tobacco properties (e.g., hardness).
The present application relates to a lyocell material with a modified cross section, a cigarette filter including the lyocell material, and a manufacturing method therefor. The lyocell material and the cigarette filter including same replace conventional cellulose acetate materials and filters, and provide excellent filter manufacturing processability and excellent tobacco properties (e.g., pressure drop) in addition to being superb in biodegradability.
The present invention relates to a polyester release film and a method for manufacturing same. The polyester release film is not only excellent in peelability and coating processability, but also has excellent antistatic properties and has a remarkably low frictional charge voltage of less than 50 V. In addition, the polyester release film prevents static electricity generated during film travel and winding, and can significantly reduce the amount of air or foreign matter introduced due to static electricity.
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
C09D 165/00 - Coating compositions based on macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Coating compositions based on derivatives of such polymers
The present invention relates to a method for producing a furandicarboxylic acid compound, comprising the steps of: producing a hydroxyl furfural compound from a hydroxyl-free furfural compound; and producing a furandicarboxylic acid compound by an oxidation reaction of the hydroxyl furfural compound in the presence of a heterogeneous catalyst.
The present application relates to a lyocell material for a cigarette filter, a cigarette filter comprising the lyocell material, and respective manufacturing methods therefor. The lyocell material and the cigarette filter comprising same substitute for conventional cellulose acetate materials and filters and provides not only excellent biodegradability but also excellent filter processability and excellent cigarette properties (e.g., draw resistance).
The present invention relates to a modified cross-section polyethylene yarn and a functional fabric comprising same, and more specifically, to: a modified cross-section polyethylene yarn from which a fabric having coolness and quick moisture-wicking ability can be produced; and a functional fabric comprising same. The polyethylene yarn according to the present invention contains filaments comprising, along a cross-section perpendicular to the longitudinal direction, a core body and at least two protrusions protruding from the core body, and has a crystallinity of 56 to 85%.
D01D 5/253 - Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
D01F 6/04 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
D03D 15/44 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads with specific cross-section or surface shape
D03D 15/283 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
44.
POLYESTER NONWOVEN FABRIC WITH SUPPRESSED REDUCTION IN PHYSICAL PROPERTIES BY TUFTING PROCESS, METHOD FOR MANUFACTURING SAME, AND BACKING FABRIC FOR CARPET COMPRISING SAME
The present invention relates to a polyester nonwoven fabric with suppressed reduction in physical properties by a tufting process, a method for manufacturing same, and a backing fabric for a carpet, comprising same and, in particular, to: a polyester nonwoven fabric in which, by controlling the physical properties of fibers of a first component filament and a second filament, a reduction in physical properties is remarkably suppressed before/after a tufting process, thus enabling the manufacture of a carpet backing fabric with excellent mechanical properties; a method for manufacturing same; and a backing fabric for a carpet, manufactured thereby.
The present invention relates to a polymer electrolyte membrane comprising an ion conductor, wherein the ion conductor includes a cation conductive group and an anion conductive group, a method for manufacturing same, and a membrane-electrode assembly comprising same.
The present invention relates to a polyester resin and a preparation method therefor. Specifically, provided in one embodiment of the present invention is a polyester resin comprising: a copolymer comprising a diacid moiety and a diol moiety; a phosphorus-based heat stabilizer; and a colorant, wherein the diacid moiety comprises a furandicarboxylic acid-based compound-derived moiety, the diol moiety comprises an alkylene glycol-based compound-derived moiety, the phosphorus-based heat stabilizer contains an ester group at the end thereof, and the colorant comprises a blue dye and a red dye.
D01F 6/04 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
D01D 5/088 - Cooling filaments, threads or the like, leaving the spinnerettes
D01D 5/098 - Melt-spinning methods with simultaneous stretching
D03D 15/54 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads coloured
D03D 15/283 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
49.
DEGRADABLE POLYESTER RESIN AND MANUFACTURING METHOD THEREOF
The present invention relates to a polyester resin and a manufacturing method thereof. Specifically, an embodiment of the present invention provides a polyester resin consisting of a copolymer of a monomer mixture containing a furan dicarboxylic acid-based compound, an aliphatic diol-based compound, and a lactone-based compound.
C08G 63/60 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
C08G 63/668 - Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
The present invention relates to a polyethylene yarn with improved dimensional stability, and a functional fabric comprising same and, more specifically, to: a polyethylene yarn with improved dimensional stability, capable of preventing deformation during postprocesses such as weaving and cutting; and a functional fabric comprising same, thereby providing coolness to a user.
D01F 6/04 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
D01D 5/088 - Cooling filaments, threads or the like, leaving the spinnerettes
D01D 5/098 - Melt-spinning methods with simultaneous stretching
D02J 1/22 - Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
D03D 15/50 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
D03D 15/283 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
51.
CIGARETTE FILTER COMPRISING LYOCELL TOW, AND MANUFACTURING METHOD THEREOF
Provided is a cigarette filter comprising: a lyocell tow formed from a plurality of lyocell fibers; a binder for binding the lyocell fibers; and a solvent dispersed in the internal space of the cigarette filter comprising the lyocell tow, wherein the solvent comprises a polyhydric alcohol. According to one specific example of the present invention, the polyhydric alcohol is diol having C1 to C4 alkylene groups. The cigarette filter according to one specific example of the present invention overcomes a material-related problem of an existing lyocell tow, and has excellent hardness.
Provided is a cigarette filter that comprises a lyocell tow composed of a plurality of lyocell fibers and a binder bonding the lyocell fibers to each other and which has a hardness of 85% or greater. The cigarette filter according to an embodiment of the present invention has a hardness of 80% or greater even 5 minutes after 20 parts by weight to 25 parts by weight of water is introduced thereinto on the basis of 100 parts by weight of lyocell tow. The cigarette filter according to an embodiment of the present invention has a moisture disintegration rate of 7% or less. The cigarette filter according to an embodiment of the present invention overcomes the material problems retained by the conventional lyocell tow and has high hardness and low moisture disintegration.
A membrane-electrode assembly with improved durability is provided. An embodiment of the present invention provides a membrane-electrode assembly comprising: a polymer electrolyte membrane having concavo-convex portions on at least one surface thereof and a catalyst layer disposed on the polymer electrolyte membrane, wherein the catalyst layer includes a first catalyst layer loaded into the inside of the uneven portion and a second catalyst layer disposed on the polymer electrolyte membrane, the first catalyst layer being interposed between the polymer electrolyte membrane and the second catalyst layer.
The present invention relates to: a fuel cell catalyst comprising a support having pores, first metal catalyst particles located in the interior of the pores of the support, and second metal catalyst particles located in the exterior of the pores of the support; a method for manufacturing same; and a membrane-electrode assembly comprising same.
The present invention relates to a polymer electrolyte membrane including an ion conductor wherein the polymer electrolyte membrane contains an antioxidant-releasing material.
A reinforced composite membrane with improved ion conductivity and wettability is provided. Provided in one embodiment of the present invention is a reinforced composite membrane comprising a porous support and an ionomer layer, which comprises an ion conductor filling the pores inside the porous support, wherein the porous support comprises a first surface and a second surface facing the first surface, and the first surface is modified to contain a first hydrophilic functional group.
H01M 8/1058 - Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties
H01M 8/106 - Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the chemical composition of the porous support
H01M 8/1053 - Polymer electrolyte composites, mixtures or blends consisting of layers of polymers with at least one layer being ionically conductive
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
57.
CATALYST FOR FUEL CELL, PREPARATION METHOD THEREFOR, CATALYST LAYER INCLUDING SAME, MEMBRANE-ELECTRODE ASSEMBLY, AND FUEL CELL
A catalyst for a fuel cell with improved durability is provided. A catalyst for a fuel cell according to the present invention comprises a carrier, a second composite in which a plurality of first composites including metal catalyst particles supported on the carrier are aggregated, and a nitrogen-bearing protective layer coated on the surface of the second composite.
The present invention relates to: a reinforced composite membrane for a fuel cell, comprising a porous support and a hydrogen ion-conductive polymer; a manufacturing method therefor; and a membrane-electrode assembly comprising same, the reinforced composite membrane having the hydrogen ion-conductive polymer impregnated into the porous support, or comprising, on at least one surface of the porous support, an electrolyte layer comprising the hydrogen ion-conductive polymer, wherein the porous support further comprises a compound capable of trapping metal ions.
H01M 8/106 - Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the chemical composition of the porous support
H01M 8/1062 - Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the physical properties of the porous support, e.g. its porosity or thickness
H01M 8/1069 - Polymeric electrolyte materials characterised by the manufacturing processes
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
The present invention relates to: a radical scavenger composite comprising carbon nanotubes elongated in the longitudinal direction, each of which has a closed cap structure at one end thereof, and radical scavenger particles positioned inside a cap of the closed cap structure; a method for preparing a radical scavenger composite, comprising a step of providing radical scavenger particles on the surface of a substrate and a step of growing carbon nanotubes on the surface of the radical scavenger particles; and a fuel cell.
The present invention relates to a polyethylene yarn having enhanced weavability, and a functional fabric comprising same and, more specifically, to a polyethylene yarn which can be woven into a fabric which is appropriately cool to touch and very comfortable when worn by a user, and very rarely has hairiness. The polyethylene yarn according to the present invention has a polydispersity index (PDI) of 5 to 20, strength of 1.5 to 10 g/d measured according to ASTM D2256, and 10 to 50% elongation at maximum force.
D01F 6/04 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
D01D 5/088 - Cooling filaments, threads or the like, leaving the spinnerettes
D01D 5/098 - Melt-spinning methods with simultaneous stretching
D03D 15/283 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
D03D 15/50 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
A41D 31/06 - Thermally protective, e.g. insulating
A41D 13/11 - Protective face masks, e.g. for surgical use, or for use in foul atmospheres
61.
MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, COMPRISING LINEAR POROUS SILICA NANOPARTICLES, AND FUEL CELL COMPRISING SAME
The present invention relates to a membrane-electrode assembly for a fuel cell and a fuel cell comprising same and, more particularly, to a membrane-electrode assembly for a fuel cell and a fuel cell comprising same, the membrane-electrode assembly for a fuel cell including linear porous silica in a catalyst layer and thus enhancing the performance of a fuel cell in a low-humidity environment.
The present invention relates to a membrane-electrode assembly for a fuel cell and a fuel cell comprising same and, more particularly, to a membrane-electrode assembly for a fuel cell and a fuel cell comprising same, the membrane-electrode assembly for a fuel cell including plate-shaped porous silica in a catalyst layer and thus enhancing the performance of a fuel cell in a low-humidity environment.
Provided is an ion conductor composition for improving the ion conductivity of a polymer electrolyte membrane under low humidity/high temperature conditions. The ion conductor composition according to the present invention includes 100 parts by weight of an ion conductor and 0.05 to 10 parts by weight of a sugar compound on the basis of 100 parts by weight of the ion conductor.
H01M 8/1058 - Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties
H01B 1/12 - Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
Provided is a multifunctional radical scavenger having improved durability and a heat dissipation function. The multifunctional radical scavenger according to the present invention includes a first radical scavenger and a functional nanosheet layer coated on the surface of the first radical scavenger, wherein the functional nanosheet layer comprises at least two layers including functional nanosheets.
The present application provides a spunbond nonwoven fabric, a manufacturing method therefor, a manufacturing apparatus therefor, and an article including the nonwoven fabric, wherein the spunbond nonwoven fabric is superb in terms of permeability, bulky and high-loft properties, and peel strength and exhibits an improved quality index.
Disclosed are a high-pressure storage container and a manufacturing method thereof. The high-pressure storage container according to an embodiment of the present invention comprises: a tubular liner which provides a storage space for storing high-pressure hydrogen and is open at one end in the longitudinal direction; a boss which allows the storage space to communicate with the outside and is coupled to the one end of the liner in the longitudinal direction; and a hydrogen blocking layer which is formed on at least one of the outer surface or inner surface of the liner to prevent the high-pressure hydrogen inside the storage space from passing through the liner to the outside.
F17C 13/00 - VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES - Details of vessels or of the filling or discharging of vessels
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
A high-pressure storage vessel is disclosed. A high-pressure storage vessel according to an embodiment of the present invention includes: a liner which provides a storage space in which a high-pressure fluid is stored and has a tubular liner body having one end opened in the lengthwise direction thereof; and a boss which allows the outside and the storage space to communicate with each other and is coupled to the one end in the lengthwise of the liner body, wherein the boss includes: a tubular boss head which is disposed outside the liner body and extends toward the storage space; a flange which communicates with the boss head and extends toward the storage space, and is provided such that the outer circumferential surface thereof protrudes radially outward so as to come into contact with the lengthwise end surface of the liner body; and a tubular boss body which communicates with the flange, extends into the storage space, and is coupled to the inner circumferential surface of the liner body.
F17C 13/00 - VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES - Details of vessels or of the filling or discharging of vessels
F17C 1/06 - Protecting sheatings built-up from wound-on bands or filamentary material, e.g. wires
The present invention relates to a primer set, a composition and a kit for detecting vaccinia virus to detect and quantify vaccinia virus, and an analysis method using same. The primer set for detecting vaccinia virus has a short analysis period and excellent sensitivity and specificity compared to conventional virus quantification methods, and thus, when real-time PCR using such a primer set is performed, vaccinia virus can be detected and quantified more rapidly and accurately in real time.
C12Q 1/70 - Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving virus or bacteriophage
69.
PHENOLIC RESIN FOR REFRACTORIES, MANUFACTURING METHOD OF PHENOLIC RESIN FOR REFRACTORIES, AND REFRACTORIES COMPRISING SAME
The present invention relates to a phenolic resin for refractories and a method for manufacturing same, the phenolic resin comprising: repeating units (a) derived from a phenolic compound; repeating units (b) derived from an aldehyde-type compound; and repeating units (c) derived from a lignin-type compound, wherein the ratio (mol%) of the number of moles of repeating units (c) derived from a lignin-type compound to the number of moles of repeating units (a) derived from a phenol-type compound in the phenol resin is 1 to 23 mol%. The phenolic resin for refractories may be more suitably used for refractories that require improved heat resistance, workability, and strength.
C08G 8/10 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
The present invention relates to an antimicrobial composition, a cosmetic composition, and a preservative for preserving cosmetics, the antimicrobial composition comprising an antiseptic compound and reuterin in order to inhibit microbial activity or kill microorganisms. The antimicrobial composition comprises the antiseptic compound and reuterin and thus may be used as a cosmetic composition, a preservative for preserving cosmetics, etc. whereby the amount of use of the antiseptic compound is minimized, and thus formulation stability may be improved, and the amount of use may be reduced compared to when using reuterin alone, and thus antimicrobial activity in the formulation may be secured, and thus disadvantages of the antiseptic compound or reuterin are compensated for.
A61Q 17/00 - Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
71.
LYOCELL MATERIAL WITH CONTROLLED WHITENESS BY HYDROGEN PEROXIDE TREATMENT AND MANUFACTURING METHOD THEREOF
The present invention relates to a lyocell material with controlled whiteness by hydrogen peroxide treatment and a manufacturing method thereof, wherein the lyocell material has improved whiteness due to an aging effect through drying and packaging by a predetermined amount of hydrogen peroxide remaining in a tow and can replace a CA cigarette filter to lower environmental pollution problems caused by discarded cigarette butts, and thus the lyocell material is suitable as a cigarette filter.
D06M 11/50 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with persulfuric, permanganic, pernitric, percarbonic acids or their salts
D01F 2/00 - Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
G02B 1/14 - Protective coatings, e.g. hard coatings
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
73.
HOLLOW FIBER MEMBRANE CARTRIDGE AND HOLLOW FIBER MEMBRANE MODULE INCLUDING SAME
The present invention provides: a hollow fiber membrane cartridge for uniformly supplying a fluid to a hollow fiber membrane to be able to prevent threads of the hollow fiber membrane from being cut; and a hollow fiber membrane module. A hollow fiber membrane cartridge according to an embodiment of the present invention may have a hollow fiber membrane which is accommodated therein and allows a first fluid and a second fluid to perform moisture exchange, wherein the first fluid flows inside the hollow fiber membrane, and the second fluid, which is introduced from the outside, flows outside the hollow fiber membrane. An opening, through which the second fluid flows in or out, may be formed through the hollow fiber membrane cartridge, a first portion, into which the second fluid flows, and a second portion, into which the second fluid flows by an inflow rate per unit area greater than that of the first portion, may be formed in the opening, and the width of the second portion may be formed smaller than the width of the first portion.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
74.
LYOCELL MATERIAL FOR CIGARETTE FILTER AND METHOD FOR MANUFACTURING SAME
The present invention relates to a lyocell material for a cigarette filter and a method for manufacturing same, in which, by setting the optimal total denier range of crimped lyocell tow, which can realize filter properties equivalent to CA, a currently used cigarette filter, the optimal processability for manufacturing a cigarette filter can be secured, and due to the excellent biodegradability thereof, environmental pollution factors caused by conventional discarded cigarette butts can be reduced.
A24D 3/10 - Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
A24D 3/06 - Use of materials for tobacco smoke filters
A24D 3/14 - Use of materials for tobacco smoke filters of organic materials as additive
D01F 8/02 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
D01F 2/00 - Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
An embodiment of the present invention provides: a coating film including a base film and a coating layer on the base film, the coating layer having a water contact angle of at least 100° and a post-scratch water contact angle of at least 98°; and a display device including the coating film. In addition, an embodiment of the present invention provides a coating composition for preparing the coating layer.
A high-pressure storage container and a method for manufacturing same are disclosed. A high-pressure storage container according to an embodiment of the present invention may comprise: a liner which comprises a storage body having a storage space formed therein so as to store high-pressure fluid, and an injection pipe extending outward from one side of the storage body while making the storage space communicate with the outside; and a boss which comprises a tubular boss body perforated in the longitudinal direction, and a coupling groove formed to be recessed from one end of the boss body one to the other side in the longitudinal direction so that the boss body can be coupled to the injection pipe while making the storage space communicate with the outside, the injection pipe being coupled to the coupling groove.
F17C 13/00 - VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES - Details of vessels or of the filling or discharging of vessels
F17C 1/00 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
77.
PARA-ARAMID STAPLE FIBER, ARAMID SPUN YARNS AND MANUFACTURING METHOD THREOF
The present invention relates to a para-aramid staple fiber with improved cut resistance by applying 4% or more of a high-elongation yarn, and a method for manufacturing aramid spun yarn by using same.
D01F 6/80 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products from copolyamides
D02G 3/02 - Yarns or threads characterised by the material or by the materials from which they are made
D02G 3/26 - Yarns or threads characterised by constructional features with characteristics dependent on the amount or direction of twist
D02G 3/44 - Yarns or threads characterised by the purpose for which they are designed
D04B 1/16 - Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
D04B 1/24 - Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
D04B 1/28 - Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel gloves
A hollow fiber membrane cartridge according to one aspect of the present invention comprises: a plurality of hollow fiber membranes; and a body part in which the plurality of hollow fiber membranes are arranged and in which mesh parts are formed at each of the top and bottom thereof, wherein each of the mesh parts comprises a plurality of knots and a window encompassed by the plurality of knots, and the curvature radius of the knots can be 1-7 times the diameter of the hollow fiber membranes.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
Disclosed is a fuel cell membrane humidifier which can be installed directly on a structure of transportation means such as a vehicle, ship, aircraft, etc. or on a generator system of a building without additional equipment, and thus, assembling convenience can be improved and mounting requirements of diverse clients can be met, and thus, manufacturing convenience can be improved. The disclosed fuel cell membrane humidifier comprises: a humidification module that carries out moisture exchange between a first fluid and a second fluid, and includes a mid-case, a second fluid inlet for introducing the second fluid into the mid-case, a second fluid outlet for discharging the second fluid to the outside, and at least one cartridge arranged in the mid-case; a cap that is formed on either end of the humidification module; and a position-variable mount that is formed to be position-variable on the humidification module and is used for mounting the humidification module to a structure on which to mount.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
Disclosed is a fuel cell membrane humidifier capable of improving humidification efficiency by preventing the differential pressure loss within a humidification module. The disclosed fuel cell membrane humidifier performs water exchange between a first fluid and a second fluid and comprises: a mid-case; a second fluid inlet through which the second fluid is induced into the mid-case; a second fluid outlet through which the second fluid is discharged to the outside; and at least one cartridge arranged in the mid-case and accommodating a plurality of hollow fiber membranes. The cross-sectional area of the second fluid inlet is greater than or equal to an internal cross-sectional area of the at least one cartridge except for the cross-sectional area occupied by the plurality of hollow fiber membranes accommodated in the at least one cartridge.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
Disclosed are: a membrane humidifier cartridge capable of preventing a hollow fiber membrane, accommodated in the cartridge, from being damaged by fluid; and a fuel cell membrane humidifier comprising the membrane humidifier cartridge. The disclosed membrane humidifier cartridge comprises: an inner case in which a hollow fiber membrane through which a first fluid flows is accommodated; a potting part for fixing the end of the hollow fiber membrane; a first mesh hole part into which a second fluid flows and which protrudes from one side of the inner case; and a second mesh hole part from which the second fluid having flowed through the first mesh hole part is discharged after exchanging moisture with the first fluid through the hollow fiber membrane, and which protrudes from the other side of the inner case.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
Disclosed is a fuel cell membrane humidifier capable of improving humidification efficiency by preventing the differential pressure loss in a humidification module. The disclosed fuel cell membrane humidifier performs water exchange between a first fluid and a second fluid and comprises: a mid-case; a second fluid inlet through which the second fluid flows into the mid-case; a second fluid outlet through which the second fluid is discharged to the outside; a partition wall that divides the inner space of the mid-case into a first space and a second space; and at least one cartridge arranged in the mid-case and accommodating a plurality of hollow fiber membranes. The cross-sectional area of the second fluid inlet is greater than or equal to the total area of windows that constitute first mesh hole portions arranged in a mesh shape in the at least one cartridge for fluid communication with the first space.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
Disclosed are a cartridge for a membrane humidifier and a fuel cell membrane humidifier comprising same, the cartridge being capable of preventing a hollow fiber membrane accommodated in the cartridge from being damaged by fluid. The disclosed cartridge for a membrane humidifier comprises: an inner case in which a hollow fiber membrane through which a first fluid flows is accommodated, and which is made of a material having a first hardness; a potting portion for fixing an end of the hollow fiber membrane; a first mesh hole portion through which a second fluid flows and which includes a plurality of windows; and a second mesh hole portion from which the second fluid, having flowed through the first mesh hole portion, is discharged after moisture exchange with the first fluid through the hollow fiber membrane, and which includes a plurality of windows. The first mesh hole portion and/or the second mesh hole portion comprises an impact-absorbing portion made of a material having a second hardness that is less than the first hardness.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
Disclosed is a fuel cell membrane humidifier capable of preventing degradation of efficiency, which is caused by an increase in differential pressure in the fuel cell membrane humidifier, generated by the downsizing of the fuel cell membrane humidifier. The disclosed fuel cell membrane humidifier performs moisture exchange between a first fluid and a second fluid and comprises: a mid-case; a second fluid introduction port through which the second fluid is introduced into the mid-case; a second fluid discharge port through which the second fluid is discharged to the outside; a partition wall for partitioning the inner space of the mid-case into a first space and a second space; and an active bypass part for adjusting a flow rate of the second fluid flowing in the first space and the second space, according to a flow rate of the second fluid introduced through the second fluid introduction port.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
The present application relates to a biaxially oriented polyester film and a method for manufacturing same. According to the present application, provided is a polyester film with suppressed bowing and a reduction in phase difference deviation, and at the same time, with improved film uniformity and mechanical properties.
The present invention relates to an electrode for a fuel cell, comprising a non-platinum catalyst and a graphene layered structure, and a membrane-electrode assembly comprising same and, more specifically, to a membrane-electrode assembly for a fuel cell and a fuel cell comprising same, which implement excellent electrode efficiency through relatively inexpensive transition metals while not using platinum, by stacking alternately with a graphene layer, a catalyst layer comprising both a non-platinum catalyst complex including a carbon support, nitrogen, and non-platinum transition metal, and a conductive polymer.
The present invention relates to a method for preparation of an alkyl phenol resin, an alkyl phenol resin composition, and a rubber composition comprising an alkyl phenol resin. The alkyl phenol resin of the present application has improved adhesion so that a rubber composition prepared therefrom can be improved in mechanical properties and hardness.
C08G 8/12 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with monohydric phenols having only one hydrocarbon substituent ortho or para to the OH group, e.g. p-tert.-butyl phenol
The present invention relates to a heterogeneous catalyst for making a dicarboxyl acid aromatic heterocyclic compound and a method for preparing a dicarboxyl acid aromatic heterocyclic compound. According to the present invention, an oxide with improved yield and purity can be produced by an oxidation reaction of a bio-based aromatic heterocyclic compound under a heterogeneous catalyst.
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
B01J 23/63 - Platinum group metals with rare earths or actinides
B01J 23/46 - Ruthenium, rhodium, osmium or iridium
The present invention relates to a method for preparing a dicarboxyl acid aromatic heterocyclic compound and a dicarboxyl acid aromatic heterocyclic compound obtained thereby. According to the present invention, an oxide with improved yield and purity can be produced by an oxidation reaction of a bio-based hydroxyl-free aromatic heterocyclic compound under a heterogeneous catalyst.
C07D 307/46 - Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
C07D 307/54 - Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
90.
CATALYST FOR PREPARING 1,3-CYCLOPENTANEDIOL, METHOD FOR PREPARING 1,3-CYCLOPENTANEDIOL BY USING SAME, AND 1,3-CYCLOPENTANEDIOL PREPARED THEREBY
The present application pertains to a method for evaluating the durability of a polyester film. According to the present application, inefficiencies in the long-term reliability evaluation can be reduced and quality control can be made easier by simplifying the method for evaluating long-term reliability, without having to conduct conventional long-term reliability evaluation that requires a long time.
G01N 3/08 - Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
G01N 23/20 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by using reflection of the radiation by the materials
92.
OPTICAL FILM HAVING EXCELLENT FOLDING PERFORMANCE AND DISPLAY DEVICE COMPRISING SAME
The present invention provides: an optical film comprising a polymer resin and having the yellowness index of 3.0 or less and the folding performance parameter of 1.5 GPa or less; and a display device comprising the optical film.
C08G 73/10 - Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
93.
OPTICAL FILM HAVING EXCELLENT SHARPNESS, AND DISPLAY DEVICE COMPRISING SAME
The present invention provides: an optical film comprising a polymer resin and having a sharpness parameter of 0.1 or less; and a display device comprising the optical film. The polymer resin comprises an imide repeating unit and an amide repeating unit. The imide repeating unit comprises a first repeating unit and a second repeating unit, and the amide repeating unit comprises a third repeating unit and a fourth repeating unit. The first repeating unit is an imide repeating unit obtained through the polymerization of a first diamine-based compound and a first dianhydride-based compound, and the second repeating unit is an imide repeating unit obtained through the polymerization of a second diamine-based compound and a second dianhydride-based compound. The third repeating unit is an amide repeating unit obtained through the polymerization of a first diamine-based compound and a first dicarbonyl-based compound, and the fourth repeating unit is an amide repeating unit obtained through the polymerization of a second diamine-based compound and a second dicarbonyl-based compound.
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
C08G 73/10 - Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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
94.
POLYETHYLENE YARN HAVING IMPROVED POST-PROCESSABILITY, AND FABRIC COMPRISING SAME
The present invention relates to a polyethylene yarn having improved post-processability and, more specifically, to a polyethylene yarn maintaining excellent mechanical properties even in a harsh environment such as that of a high temperature so as to have improved post-processability such as dyeing and coating. The polyethylene yarn according to the present invention maintains a predetermined level or higher of strength in a high-temperature environment, and thus can have improved post-processability.
D01F 6/04 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
D02G 3/44 - Yarns or threads characterised by the purpose for which they are designed
95.
FIBER REINFORCED COMPOSITE AND ARTICLES COMPRISING SAME
The present application relates to a fiber reinforced composite. Specifically, the present application relates to: a fiber reinforced composite comprising a polyamide-based resin and aramid staple fiber; and articles comprising same.
D01F 6/90 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
The present invention relates to para-aramid fiber and a preparation method therefor. The para-aramid fiber has high orientation and crystallinity, and thus exhibits excellent tensile properties.
Disclosed is a fuel cell membrane humidifier capable of preventing the bypassing of exhaust gas by sealing the gap between an inner case and a middle case which form a cartridge, and the disclosed fuel cell membrane humidifier comprises: a middle case having a partition dividing an inner space; a first cap fastened to one side of the middle case; a second cap fastened to the other side of the middle case; an inner case, which is disposed in the middle case and accommodates a plurality of hollow fiber membranes therein; a rib, which protrudes from one side of the inner case and is in contact with one surface of the partition; a hook, which protrudes from the other side of the inner case and is in contact with the other surface of the partition; a first gasket, which is disposed between the first cap and the inner case and transmits, to the rib, the fastening force between the first cap and the middle case; and a second gasket, which is disposed between the second cap and the inner case and transmits, to the hook, the fastening force between the second cap and the middle case.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
The present invention relates to a para-aramid fiber and a preparation method therefor. The para-aramid fiber has a large crystal size and a high degree of crystallinity, and thus may exhibit excellent tensile properties.
Disclosed is a fuel cell membrane humidifier capable of improving the discharge performance of condensate water generated in a humidification module, and the disclosed fuel cell membrane humidifier comprises: a humidification module for humidifying, using the moisture in exhaust gas discharged from a fuel cell stack, air supplied from the outside; and each of caps coupled to each of both ends of the humidification module. The humidification module includes a middle case having an exhaust gas inlet into which the exhaust gas flows and an exhaust gas outlet through which the exhaust gas is discharged. The exhaust gas outlet is formed in the bottom surface of the middle case so that the condensate water generated in the humidification module is discharged to the outside therethrough.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
The present invention relates to a fuel cell membrane humidifier which can seal the gap between an inner case and a mid-case constituting a cartridge to prevent exhaust gas from being bypassed. The disclosed fuel cell membrane humidifier comprises: a mid-case which has a partition wall partitioning the inner space thereof; a first cap which is fastened to one side of the mid-case; a second cap which is fastened to the other side of the mid-case; an inner case which is disposed in the mid-case and in which a plurality of hollow fiber membranes are accommodated; a rib which is formed to protrude from one side of the inner case and comes into contact with one surface of the partition wall; a hook which is formed to protrude from the other side of the inner case and comes into contact with the other surface of the partition wall; a first gasket which is disposed between the first cap and the inner case and transmits the fastening force between the first cap and the mid-case to the rib; and a second gasket which is disposed between the second cap and the inner case and transmits the fastening force between the second cap and the mid-case to the hook.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying