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Title:
RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION, PNEUMATIC TIRE, AND METHOD FOR PRODUCING ISOBUTYLENE POLYMER
Document Type and Number:
WIPO Patent Application WO/2013/011820
Kind Code:
A1
Abstract:
A rubber composition which contains a rubber component that has an olefinic double bond and isobutylene polymers each having a structural unit represented by formula (1) and a structural unit represented by formula (2). Among the above-described isobutylene polymers, the content of low-molecular-weight isobutylene polymers having a molecular weight of 1,000 or less is 5% by mass or less based on the total mass of the isobutylene polymers. (In the formulae, X represents a divalent group; Y represents a substituted or unsubstituted alicyclic group having an unsaturated bond; and n represents 0 or 1.)

Inventors:
JIN ZHENGZHE (JP)
TAKASHIMA TSUTOMU (JP)
YAMAGUCHI TSUYOSHI (JP)
CHIBA TATSUYA (JP)
Application Number:
PCT/JP2012/066768
Publication Date:
January 24, 2013
Filing Date:
June 29, 2012
Export Citation:
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Assignee:
JX NIPPON OIL & ENERGY CORP (JP)
JIN ZHENGZHE (JP)
TAKASHIMA TSUTOMU (JP)
YAMAGUCHI TSUYOSHI (JP)
CHIBA TATSUYA (JP)
International Classes:
C08L21/00; B60C1/00; C08F210/10; C08F216/12; C08L9/06; C08L29/10
Domestic Patent References:
WO2010137655A12010-12-02
Foreign References:
JP2011080047A2011-04-21
JPH115874A1999-01-12
JP2007112928A2007-05-10
JP2012172022A2012-09-10
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
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Claims: