Elastomer compositions for use in a hydrocarbon resistant hose
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United States of America Patent
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Issued Date -
Mar 17, 2005
app pub date -
Mar 11, 2004
filing date -
Sep 15, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A vinyl ester composition; a tubular structure such as a hose for conveying fluids in an automotive engine cooler, transmission oil cooler, power transmission cooler, radiator or heater; and a method for preparing the tubular structure are described. The tubular structure includes a single layer of a heat tolerant, pressure resistant, hydrocarbon fluid impermeable composition comprising a copolymer of a first vinyl ester and a second vinyl ester, and one or more additives. The composition may, optionally contain a second polymeric component such as an ethylene-vinyl ester of a C.sub.2 to C.sub.6 carboxylic acid, chlorinated polyolefins, chlorosulfonated polyolefins, polychloroprene, ethylene-acrylic rubber, alkyl acrylate copolymer, polyvinyl acetate, acrylonitrile-butadiene rubber, hydrogenated acrylonitrile-butadiene rubber, ethylene-propylene-diene terpolymer, styrene-butadiene rubber, ethylene-propylene rubber, butyl rubber, cis-polybutadiene, cis-polyisoprene, polyurethane, polyamide and combinations thereof.
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