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:
Mar. 08, 1994
Filed:
Sep. 07, 1990
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A vulcanizable epoxy group-containing elastomer composition is disclosed, comprising (A) an epoxy group-containing elastomer, (B) an organic compound containing at least two ##STR1## bonds, wherein X and Y, which may be the same or different, each represents an oxygen atom or a sulfur atom, per molecule or an organic compound containing at least two carboxyl groups per molecule, and (C) a phosphine compound represented by formula: ##STR2## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents an alkyl group having from 1 to 4 carbon atoms; and R represents a hydrogen atom or an alkoxy group having from 1 to 4 carbon atoms. The composition has excellent compression set, particularly in a high temperature atmosphere, as well as excellent mechanical characteristics.