Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2006-09-12
2006-09-12
Seidleck, James J. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S240000, C525S319000, C525S330900, C525S342000, C526S348700
Reexamination Certificate
active
07105611
ABSTRACT:
An object of the present invention is to provide a thermoplastic elastomer composition which is highly flexible while maintaining vibration damping properties, as a feature of an isobutylene polymer, and is excellent in moldability and rubber-like properties, and also has particularly improved permanent compression set. The object is achieved by a thermoplastic elastomer composition comprising (A) a composition obtained by crosslinking an isobutylene polymer having an alkenyl group at the molecular ends with a hydrosilyl group-containing compound while melt-kneading in the presence of at least one kind selected from an aromatic vinyl-containing thermoplastic elastomer and an olefinic resin, and (B) at least one kind selected from the group consisting of an aromatic vinyl-containing thermoplastic elastomer and an olefinic resin.
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International Search Report from Corresponding International Application No. PCT/JP03/13274, dated Dec. 2, 2003.
Aoyama Taizo
Kimura Katsuhiko
Nakabayashi Hironari
Noda Kenji
Asinovsky Olga
Brinks Hofer Gilson & Lione
Kaneka Corporation
Seidleck James J.
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