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:
Oct. 23, 1984
Filed:
Sep. 14, 1981
Shoichi Matsumura, Hyogo, JP;
Yoshihiko Hashimoto, Hyogo, JP;
Hiroyasu Furukawa, Hyogo, JP;
Masaaki Azuma, Hyogo, JP;
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Osaka, JP;
Abstract
A high nitrile content based resin produced by graft polymerizing in the presence of a rubber, a first group of monomers in a first polymerization step, then a second group of monomers in a second polymerization step, wherein the resin comprises (A) 5 to 25 parts by weight of said rubber; (B) 5 to 40 parts by weight of the product of said first polymerization step comprising 30 to 60 weight percent unsaturated nitrile and 70 to 40 weight percent vinyl compound having aromatic vinyl compound as an essential element; and (C) 35 to 90 parts by weight of the product of said second polymerization step comprising 60 to 85 weight percent unsaturated nitrile and 40 to 15 weight percent vinyl compound having aromatic vinyl compound an alkyl methacrylate and/or alkyl acrylate; wherein the resin has higher impact resistance, excellent processibility together with the properties of excellent gas barrier and chemical resistance.