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. 26, 2013
Filed:
Feb. 04, 2009
Takashi Kawasaki, Ichihara, JP;
Kazuhiro Kobayashi, Ichihara, JP;
Tsutomu Kobari, Ichihara, JP;
Daisuke Shimiya, Ichihara, JP;
Shogo Hagiwara, Ichihara, JP;
Takashi Kawasaki, Ichihara, JP;
Kazuhiro Kobayashi, Ichihara, JP;
Tsutomu Kobari, Ichihara, JP;
Daisuke Shimiya, Ichihara, JP;
Shogo Hagiwara, Ichihara, JP;
Denki Kagaku Kogyo Kabushiki Kaisha, Toyko, JP;
Abstract
To provide an acrylic rubber composition having an excellent heat resistance, especially an excellent balance between the residual ratio of the tensile strength and the residual ratio of the elongation after heat aging, when formed into a vulcanized product, and a hose article, a sealing article and a rubber vibration insulator using the acrylic rubber composition. An acrylic rubber composition containing an acrylic rubber obtainable by copolymerizing 100 parts by mass of an alkyl acrylate with from 10 to 100 parts by mass of an alkyl methacrylate and from 0.5 to 4 parts by mass of a crosslinkable monomer. Here, the alkyl methacrylate is preferably at least one compound selected from the group consisting of methyl methacrylate, ethyl methacrylate and n-butyl methacrylate, and the alkyl acrylate is preferably at least one compound selected from the group consisting of methyl acrylate, ethyl acrylate and n-butyl acrylate.