Rubber composition and rubber product

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United States of America Patent

PATENT NO 9909001
SERIAL NO

14301418

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Abstract

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A rubber composition includes, as essential components, an EDPM polymer, a carbon black, an electrical insulating amorphous or spindle-shaped filler, a softener, and a sulfur-based vulcanizing agent as essential components, and also includes, as an optical component, an electrical insulating plate-shaped filler. An obtained vulcanized product is satisfied with the following Equations (1) and (2):

description='In-line Formulae' end='lead'volume resistivity ≧1.0×106 Ω·cm  (1)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'(M30<100° C.>/M30<23° C.>−1)×100≧−15%  (2)description='In-line Formulae' end='tail'

    where M30<23° C.> is a tensile stress at elongation of 30% as measured by a tensile test at 23° C., andM30<100° C.> is a tensile stress at elongation of 30% as measured by a tensile test at 100° C.

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Patent Owner(s)

  • TOYODA GOSEI CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Imai, Hideyuki Kiyosu, JP 54 390
Kumazaki, Masanori Kiyosu, JP 2 8
Kurimoto, Hidekazu Kiyosu, JP 19 36
Matsunaga, Shinji Kiyosu, JP 15 40

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