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FUEL HOSE

  • US 20070231521A1
  • Filed: 03/22/2007
  • Published: 10/04/2007
  • Est. Priority Date: 03/28/2006
  • Status: Abandoned Application
First Claim
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1. A fuel hose comprising an inner layer which contacts a fuel being transported, a fuel-permeation-resistant layer provided on an outer peripheral surface of the inner layer and an outer layer provided on an outer peripheral surface of the fuel-permeation-resistant layer, the inner layer being formed by the following (A), the fuel-permeation-resistant layer being formed by the following (B), and the outer layer being formed by the following (C);

  • (A) a polyester resin softened by an alloy of elastomer components or copolymerization;

    (B) at least one polyester resin of polybutylene naphthalate (PBN) and polybutylene terephthalate (PBT);

    (C) a polymer having flexural modulus of 350 to 650 MPa obtained by blending at least one selected from the group consisting of polymer particles each having a core-shell structure, ethylene acrylic elastomer (AEM) and a styrene-isobutylene block copolymer into polybutylene terephthalate (PBT).

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