POLYMER COMPOSITION, RUBBER COMPOSITION, AND TIRE OBTAINED USING SAME

WIPO Patent Application WO/2010/150827

A1

Provided is a polymer composition which comprises (A) an elastomer having a reactive functional group on the main chain, (B) an inorganic filler, and (C) a coupling agent which has one or less functional group per molecule on average that is capable of reacting and combining with the reactive functional group of the main chain of the elastomer as the ingredient (A) and which has an affinity for the ingredient (B) or has a functional group chemically combining therewith. Also provided are a rubber composition comprising the polymer composition and a tire obtained using the rubber composition. The polymer composition gives a rubber composition which can improve the fuel efficiency of tires and impart sufficient wear resistance and rupture resistance to tires.

OZAWA YOICHI (JP)
NAKAYAMA ATSUSHI (JP)

PCT/JP2010/060677

December 29, 2010

June 23, 2010

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BRIDGESTONE CORP (JP)
OZAWA YOICHI (JP)
NAKAYAMA ATSUSHI (JP)

C08L15/00; B60C1/00; C08K3/36; C08K5/541

WO2007119675A1	2007-10-25
WO2009051073A1	2009-04-23
WO2003046020A1	2003-06-05

JP2009001718A	2009-01-08
JP2007177034A	2007-07-12
JP2008115327A	2008-05-22
JP2009013223A	2009-01-22
JP2008308554A	2008-12-25
JP2008285548A	2008-11-27
JP2004513987A	2004-05-13
JPH1129603A	1999-02-02
JP2003113202A	2003-04-18
JPH0629338B2	1994-04-20
JP2003534426A	2003-11-18
JP2002201310A	2002-07-19
JP2003517048A	2003-05-20

POLYMER DEGRADATION AND STABILITY, vol. 44, no. 1, 1994, pages 79 - 83
See also references of EP 2447318A4

OHTANI, Tamotsu et al. (JP)
Tamotsu Otani (JP)

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