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Title:
RUBBER COMPOSITION
Document Type and Number:
Japanese Patent JP2009269981
Kind Code:
A
Abstract:

To provide a rubber composition in which elastic modulus at high temperature is increased while its hysteresis loss (tan) is lowered, in the rubber compound blended with silica.

The composition is characterized by including 5 to 100 pts.wt. of silica and 1 to 20 pts.wt. of silk powder based on 100 pst.wt. of diene type rubber, as well as 1 to 20 wt.% of epoxysilane compound based on the amount of the silk powder blended, and 3 to 10 wt.% of a silane coupling agent containing sulfur based on the amount of the silica blended.


Inventors:
KUBOTA YOSHIMI
MATSUI TOSHITAKA
Application Number:
JP2008120666A
Publication Date:
November 19, 2009
Filing Date:
May 02, 2008
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD
SHINANO KENSHI CO
International Classes:
C08L9/00; B60C1/00; B60C15/06; C08K3/36; C08K5/5435; C08K5/548; C08L89/00
Attorney, Agent or Firm:
Kazuhiko Saishita
Shinichi Ogawa
Takashi Noguchi