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US 2006/0079641 A1Published application
Thermoplastic elastomer composition
AssigneeKaneka Corporation
InventorsRyuji Fukuda, Hironari Nakabayashi, Taizo Aoyama
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Abstract
The novel thermoplastic elastomer composition of the present invention, which comprises an isobutylene block copolymer (A) containing a polymer block composed predominantly of isobutylene and a polymer block composed predominantly of an aromatic vinyl compound and an alkenyl-terminated isobutylene polymer (B), is highly flexible, and satisfactory in good moldability, rubber-like characteristics, mechanical strengths, permanent compression set characteristics and vibration damping properties.
Claims18
A thermoplastic elastomer composition
- which comprises an isobutylene block copolymer (A) containing a polymer block composed predominantly of isobutylene and a polymer block composed predominantly of an aromatic vinyl compound and
- an alkenyl-terminated isobutylene polymer (B).
Dependencies are inferred from the claim text.