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:
Feb. 07, 2006
Filed:
Sep. 29, 2000
Akihiro Niki, Mishima-gun, JP;
Hirotake Matsumoto, Mishima-gun, JP;
Akihiko Fujiwara, Mishima-gun, JP;
Yasuhiro Nakatani, Mishima-gun, JP;
Shoji Nozato, Mishima-gun, JP;
Akihiro Niki, Mishima-gun, JP;
Hirotake Matsumoto, Mishima-gun, JP;
Akihiko Fujiwara, Mishima-gun, JP;
Yasuhiro Nakatani, Mishima-gun, JP;
Shoji Nozato, Mishima-gun, JP;
Sekisui Chemical Co., Ltd., Osaka, JP;
Abstract
The present invention presents a thermoplastic elastomer that exhibits superior moisture permeability, excellent flexibility and mechanical properties at a high temperature, particularly settling resistance at a high temperature, and excellent moisture permeability. The thermoplastic elastomer includes, as a constituting unit, a polyether component (A) and a polyester component (B), wherein the polyether component (A) includes poly-oxyalkylene groups (—CHO—) having a carbon/oxygen atomic ratio in a range from 2.0 to 2.5, the polyester component (B) has a number-average molecular weight in a range from 500 to 10,000, the thermoplastic elastomer has a content of polyether component (A) in a range from 50 to 95 weight %, and the thermoplastic elastomer has a glass transition temperature of not more than −20° C.