CONSTRUCTION COMPRISING TIE LAYER
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United States of America Patent
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app pub date -
Jul 24, 2012
filing date -
Oct 27, 2005
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Abstract
A vulcanizable layered composition comprising at least two layers and at least one tie layer. The first layer of the two layers comprises an fluid permeation prevention layer, the second layer of the two layers comprises at least one high diene rubber, and the tie layer comprises about 50 to about 100 weight % of at least one halogenated isobutylene containing elastomer; up to about 50 weight % of at least one high diene elastomer; about 20 to about 50 weight % of at least one filler; up to about 30 weight % of at least one processing oil; about 1 to about 20 parts per hundred (phr) of at least one tackifier; and about 0.2 to about 15 parts per hundred of rubber (phr) of a curing system for the elastomers. The fluid permeation prevention layer preferably comprises a thermoplastic engineering resin component and an elastomer component.
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