The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 2012
Filed:
Oct. 26, 2006
Yoshihiro Soeda, Hiratsuka, JP;
Yoshiaki Kirino, Hiratsuka, JP;
Tomoyuki Sakai, Hiratsuka, JP;
Andy Haishung Tsou, Houston, TX (US);
Yoshihiro Soeda, Hiratsuka, JP;
Yoshiaki Kirino, Hiratsuka, JP;
Tomoyuki Sakai, Hiratsuka, JP;
Andy Haishung Tsou, Houston, TX (US);
The Yokohama Rubber Co., Ltd., Tokyo, JP;
ExxonMobil Chemical Patents, Inc., Houston, TX (US);
Abstract
This disclosure relates to a vulcanizable layered composition comprising at least two layers and at least one tie layer. The first of the two layers comprises a fluid permeation prevention layer and the second comprises at least one high diene rubber. The tie layer comprises, a mixture, in parts by weight relative to 100 weight parts of rubber, of suitable amounts of: (1) epoxidized natural rubber; (2) at least one high diene elastomer; (3) at least one filler; (4) least one tackifier; and (5) a rubber curing system. The fluid permeation prevention layer preferably comprises suitable amounts of: (A) at least one thermoplastic engineering resin component, preferably one or more nylon resins; and (B) at least one elastomer component, preferably a brominated isobutylene p-methylstyrene copolymer/and where the total amount of (A) and (B) is not less than 30% by weight, and wherein (B) is dispersed in a vulcanized or partially vulcanized state, as a discontinuous phase, in a matrix of component (A).