| 摘要 |
PROBLEM TO BE SOLVED: To provide a hose for a gasohol fuel showing excellent alcohol fuel impermeability. SOLUTION: The hose for the gasohol fuel includes an inner rubber layer 1 of a rubber material containing the following components (A), (B), (C) and (D), an outer rubber layer 3 of a rubber material containing the following components (A'), (B), (C) and (D), an intermediate resin layer 2b composed of the following component (X) as a major component, an inner resin layer 2a and an outer resin layer 2c both composed of the following component (Y) as a major component, where (A) is at least one of NBR and NBR-PVC, (A') is at least one of butyl rubber and NBR-PVC; (B) is a sulfur vulcanizing agent, (C) is a bond point-forming amine-based catalyst, (D) is an acid acceptor, (X) is a tetrafluoroethylene-perfluoro(alkylvinyl ether)-chlorotrifluoroethylene copolymer, and (Y) is a fluoro resin having a vinylidene fluoride unit. COPYRIGHT: (C)2011,JPO&INPIT
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