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:
Aug. 22, 1978
Filed:
Apr. 26, 1976
Kazuo Kimura, Yokkaichi, JP;
Masao Hirano, Yokkaichi, JP;
Isao Sugita, Yokkaichi, JP;
Ryuzo Fujita, Yokkaichi, JP;
Japan Synthetic Rubber Co., Ltd., Tokyo, JP;
Abstract
A thermoplastic elastomer composition consisting essentially of (A) 2 to 50% by weight of a polybutadiene having a 1,2-addition unit content of 70% or more, (B) 20 to 90% by weight of an olefinic rubber and (C) 5 to 60% by weight of a polyolefin resin, 30 to 95% by weight of the total polymer components, up to 90% by weight of said polybutadiene and up to 90% by weight of said olefinic rubber being soluble in Tetralin when the composition is heated at 210.degree. C for 3 hours in Tetralin under reflux. Said composition is excellent in mechanical strength, weather resistance, oil resistance, heat stability and processability and has a small permanent set.