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:
Dec. 20, 2016
Filed:
May. 30, 2013
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Naoki Kobayashi, Itoigawa, JP;
Yasushi Abe, Itoigawa, JP;
DENKA COMPANY LIMITED, Tokyo, JP;
Abstract
Provided are a rubber composition that gives a vulcanizate superior in heat resistance and a vulcanizate and a molded article thereof. A rubber composition, comprising a rubber component consisting of a chloroprene rubber: 50 to 90 mass % and an elastomer: 10 to 50 mass % in a total amount of 100 parts by mass, a zinc powder having an arithmetic mean particle diameter, as determined by the method specified by JIS Z8901, of 3 to 10 μm in an amount of 3 to 20 parts by mass, and a magnesium oxide having a BET specific surface area, as determined by the one-point method specified by JIS Z8830, of 20 to 150 m/g in an amount of 4 to 16 parts by mass. A vulcanizate and a molded article obtained by molding and vulcanization of the rubber composition.