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Patent Searching and Data


Title:
RUBBER COMPOSITION AND PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2012/144488
Kind Code:
A1
Abstract:
[Problem] To provide a rubber composition capable of well-balanced improvement of fuel efficiency, wet traction, abrasion resistance, stability and workability, and a pneumatic tire using same. [Solution] The invention relates to a rubber composition that contains a rubber component, silica and a compound represented by formula (1). Said rubber component contains 5 mass% or more of a conjugated diene polymer that comprises structural units having a conjugated diene and structural units represented by specific silicon atom-terminated unsaturated compounds, and wherein at least one end of the polymer is modified by at least one kind of compound selected from specified compounds. The content of the silica is 5 - 150 parts by mass with respect to 100 parts by mass of said rubber component.

Inventors:
IIZUKA TORU (JP)
UESAKA KENICHI (JP)
ITO HIROSHI (JP)
KAGAWA YOSHIHIRO (JP)
IMOTO YOJI (JP)
Application Number:
PCT/JP2012/060344
Publication Date:
October 26, 2012
Filing Date:
April 17, 2012
Export Citation:
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Assignee:
SUMITOMO RUBBER IND (JP)
IIZUKA TORU (JP)
UESAKA KENICHI (JP)
ITO HIROSHI (JP)
KAGAWA YOSHIHIRO (JP)
IMOTO YOJI (JP)
International Classes:
C08L15/00; B60C1/00; C08F8/00; C08K3/36; C08L71/02
Foreign References:
JP2010077412A2010-04-08
JP2010270292A2010-12-02
JP2010077413A2010-04-08
JP2010077415A2010-04-08
JP2010077414A2010-04-08
JP2010013540A2010-01-21
JP2009155527A2009-07-16
JP2008150435A2008-07-03
JP2000344955A2000-12-12
JP2002121327A2002-04-23
JP2002338733A2002-11-27
Other References:
See also references of EP 2700671A4
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
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Claims: