ADHESIVE COMPOSITION
PROBLEM TO BE SOLVED: To provide an adhesive composition for afterward bonding a gasket material for sealing water generated in a proton-exchange membrane fuel cell, a gas used in the reaction and cooling water to a separator formed by carbon, a metal or the like. SOLUTION: This adhesive composition...
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| creator | OKAMOTO MASARU OSHIGE JINYA YAMASHITA TAKAMI YOKOTA RITSUKO |
| description | PROBLEM TO BE SOLVED: To provide an adhesive composition for afterward bonding a gasket material for sealing water generated in a proton-exchange membrane fuel cell, a gas used in the reaction and cooling water to a separator formed by carbon, a metal or the like. SOLUTION: This adhesive composition is obtained by using a bisphenol A-type epoxy resin as a principal component and polyamideamine or polythiol as a curing agent, wherein the principal component and the curing agent are mixed in the ratio of 30/70 to 70/30, preferably 50/50. Thereby, even in a soaking test in hydrofluoric acid, sulfuric acid or LLC, the gasket never peels off from the separator and satisfactory adhesiveness is maintained to say nothing of initial adhesiveness. COPYRIGHT: (C)2004,JPO&NCIPI |
| format | Patent |
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SOLUTION: This adhesive composition is obtained by using a bisphenol A-type epoxy resin as a principal component and polyamideamine or polythiol as a curing agent, wherein the principal component and the curing agent are mixed in the ratio of 30/70 to 70/30, preferably 50/50. Thereby, even in a soaking test in hydrofluoric acid, sulfuric acid or LLC, the gasket never peels off from the separator and satisfactory adhesiveness is maintained to say nothing of initial adhesiveness. 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SOLUTION: This adhesive composition is obtained by using a bisphenol A-type epoxy resin as a principal component and polyamideamine or polythiol as a curing agent, wherein the principal component and the curing agent are mixed in the ratio of 30/70 to 70/30, preferably 50/50. Thereby, even in a soaking test in hydrofluoric acid, sulfuric acid or LLC, the gasket never peels off from the separator and satisfactory adhesiveness is maintained to say nothing of initial adhesiveness. 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| language | eng |
| recordid | cdi_epo_espacenet_JP2004211038A |
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| subjects | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY DYES ELECTRICITY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS POLISHES PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY USE OF MATERIALS AS ADHESIVES |
| title | ADHESIVE COMPOSITION |
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