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:
Sep. 20, 2011
Filed:
Oct. 27, 2005
Andy Haishung Tsou, Houston, TX (US);
Yoshihiro Soeda, Hiratsuka, JP;
Yuichi Hara, Hiratsuka, JP;
Matthew Brian Measmer, Deer Park, TX (US);
Andy Haishung Tsou, Houston, TX (US);
Yoshihiro Soeda, Hiratsuka, JP;
Yuichi Hara, Hiratsuka, JP;
Matthew Brian Measmer, Deer Park, TX (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Abstract
A thermoplastic elastomer composition possessing superior air impermeability, excellent durability and flexibility. In particular, the composition includes (A) at least one halogenated isobutylene-containing elastomer; and (B) at least one nylon resin having a melting point of about 170° C. to about 260° C.; and (C) a low molecular weight polymeric nylon plasticizer; wherein: (1) the at least one elastomer is present as a dispersed phase of small vulcanized particles in a continuous nylon phase; and (2) the elastomer particles are formed by dynamic vulcanization. Use of a low molecular weight nylon plasticizer provides for improved mixing and rubber dispersion while retaining the high levels of impermeability achievable by the use of nylon resin and halogenated isobutylene-containing elastomer in a dynamically vulcanized composition. Such compositions are particularly useful in applications such as tire innerliners and barrier films or layers as well as hoses.