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Title:
PNEUMATIC TIRE PROVIDED WITH INNER LINER
Document Type and Number:
WIPO Patent Application WO/2014/041842
Kind Code:
A1
Abstract:
Provided is a pneumatic tire provided with an inner liner comprising a polymer sheet, wherein the polymer sheet comprises a polymer composition. The polymer composition includes, as polymer constituents, 5-40% by mass of a styrene-isobutylene-styrene triblock copolymer and 60-95% by mass of at least one rubber constituent selected from the group consisting of natural rubber, isoprene rubber, and butyl rubber, and the polymer composition includes 0.1-5 parts by mass of sulfur relative to 100 parts by mass of the polymer constituents. The polymer sheet has a thickness of 1.6-4.0 mm. A tread comprises a rubber composition including 60-200 parts by mass of carbon black relative to 100 parts by mass of a rubber composition containing at least 50% by mass of styrene-butadiene rubber.

Inventors:
NAKAZONO TAKEO (JP)
SUGIMOTO MUTSUKI (JP)
Application Number:
JP2013/062382
Publication Date:
March 20, 2014
Filing Date:
April 26, 2013
Export Citation:
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Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
B60C5/14; B32B25/14; B60C1/00; C08K3/30; C08L7/00; C08L9/00; C08L53/02
Domestic Patent References:
WO2011076801A12011-06-30
WO2005033035A12005-04-14
Foreign References:
JP2012122050A2012-06-28
JP2012051544A2012-03-15
JPH1159120A1999-03-02
JP2012051150A2012-03-15
JP2009287020A2009-12-10
JP2010144039A2010-07-01
JP2012036370A2012-02-23
JP2011246527A2011-12-08
JPH09165469A1997-06-24
JP2011057940A2011-03-24
JPS6248704A1987-03-03
JPS6462308A1989-03-08
US4946899A1990-08-07
US5219948A1993-06-15
JPH03174403A1991-07-29
Other References:
See also references of EP 2883714A4
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
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