Title:
ELECTROMAGNETIC WAVE SHIELDING RUBBER COMPOSITION WITH HIGH STRENGTH AND VULCANIZED RUBBER COMPOSITION
Document Type and Number:
Japanese Patent JP3265651
Kind Code:
B2
Abstract:
PURPOSE: To obtain an electromagnetic wave shielding (vulcanized) rubber composition with high strength comprised of an ethylene-α olefin copolymer, an electroconductive metal and a zinc acrylate compound and having excellent characteristics of the rubber and electromagnetic wave shielding characteristics.
CONSTITUTION: (A) an ethylene-α olefin copolymer rubber and/or an ethylene-α olefin-non-conjugated diene copolymer rubber (ethylene-propylene-ethylidene- norbornene copolymer rubber is suitable) are compounded with (B) 1-20 pts.vol., preferably 2-10 pts.vol. electroconductive metal (e.g. stainless steel, silver, copper) to 100 pts.vol. A and (C) 0.1-100 pts.wt., preferably 1-50 pts.wt. zinc acrylate compound (e.g. zinc acrylate hydroxide) of the formula (R is H or 1-8 alkyl; m is 1 or 2; k is 0 or 1) and, when needed, with carbon black, an organic peroxide, a vulcanization accelerator, etc., to obtain an electromagnetic wave shielding rubber composition and a vulcanized one.
Inventors:
Keisaku Yamamoto
Kiyoshi Ikeda
Junichi Koshiba
Kiyoshi Ikeda
Junichi Koshiba
Application Number:
JP29119192A
Publication Date:
March 11, 2002
Filing Date:
October 29, 1992
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
C08K3/08; C08K3/04; C08K5/09; C08L23/00; C08L23/08; C08L23/16; H01Q17/00; (IPC1-7): C08L23/16; C08K3/08; C08K5/09; C08L23/08; H01Q17/00
Domestic Patent References:
| JP5915440A | ||||
| JP52103451A | ||||
| JP6092237A | ||||
| JP4246448A |
Attorney, Agent or Firm:
Takashi Kuboyama (1 person outside)