Title:
RUBBER COMPOSITION, CROSSLINKED RUBBER PRODUCT AND TIRE
Document Type and Number:
WIPO Patent Application WO/2015/194638
Kind Code:
A2
Abstract:
Provided is a rubber composition obtained by blending silica (B) and an alkoxysilane compound (C) with a rubber component containing a cyclic olefin-based rubber (A). The rubber composition is characterized in that: the cyclic olefin-based rubber (A) has a functional group at a polymer chain end, has a weight average molecular weight of 100,000 to 800,000, and has a toluene-insoluble quantity of less than 5 wt%; the blending quantity of the silica (B) is 30 to 150 parts by weight with respect to 100 parts by weight of the rubber component; the alkoxysilane compound (C) has a group able to react with the functional group of the polymer chain end of the cyclic olefin-based rubber (A), and the blending quantity of the alkoxysilane compound (C) is 0.01 to 20 parts by weight with respect to 100 parts by weight of the rubber component.
Inventors:
TSUNOGAE YASUO (JP)
Application Number:
PCT/JP2015/067627
Publication Date:
December 23, 2015
Filing Date:
June 18, 2015
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
C08L65/00; B60C1/00; C08K3/36; C08K5/5415
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
It can exceed and is a patent business corporation. (JP)
It can exceed and is a patent business corporation. (JP)
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