RUBBER COMPOSITION AND PNEUMATIC TIRE USING THE SAME

Title:

RUBBER COMPOSITION AND PNEUMATIC TIRE USING THE SAME

Document Type and Number:

WIPO Patent Application WO/2008/029814

Kind Code:

A1

Abstract:

It is intended to provide a rubber composition having low-temperature flexibility and low rolling resistance which are highly compatible with each other by blending (B) a low-molecular weight conjugated diene polymer which has at least one functional group and a polystyrene-conversion weight average molecular weight of 2,000 or more and less than 150,000 as measured in a state of no modified end by gel permeation chromatography, and in which the binding amount of an aromatic vinyl compound is less than 5% by mass and (C) a filling material in (A) a high-molecular weight rubber component which has a polystyrene-conversion weight average molecular weight of 150,000 or more as measured in a state of no modified end by gel permeation chromatography.

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Inventors:

OHTA FUMINORI (JP)
MASAKI KOJI (JP)
KIDONO KEISUKE (JP)

Application Number:

PCT/JP2007/067238

Publication Date:

March 13, 2008

Filing Date:

September 04, 2007

Export Citation:

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Assignee:

BRIDGESTONE CORP (JP)
OHTA FUMINORI (JP)
MASAKI KOJI (JP)
KIDONO KEISUKE (JP)

International Classes:

B60C1/00; C08L21/00; C08J9/06; C08L9/00

Foreign References:

JPH1053671A	1998-02-24
JP2004161898A	2004-06-10
JP2001287508A	2001-10-16
JPH09316132A	1997-12-09
JPH07233285A	1995-09-05
JPH1129659A	1999-02-02
JPH0587530B2	1993-12-17
JPH0649279A	1994-02-22
JPS62207342A	1987-09-11
JPH1053671A	1998-02-24
JPH09194640A	1997-07-29
JPH0689183B2	1994-11-09
JPH1129659A	1999-02-02

Other References: