RUBBER COMPOSITION FOR BASE TREAD - ASAHI KASEI CHEMICALS CORP

Title:

RUBBER COMPOSITION FOR BASE TREAD

Document Type and Number:

Japanese Patent JP2013087218

Kind Code:

A

Abstract:

To provide a rubber composition for base treads, highly excellent in the balance between rolling resistance characteristics and extrusion processability.

The rubber composition for base treads comprises 100 pts.mass of a rubber component containing a modified conjugated dienic polymer produced by reacting the polymerization active terminal of a conjugated dienic polymer with a compound in which the total number of alkoxy groups bound to silyl groups is four or more and which has one or more nitrogen atoms, wherein the conjugated dienic polymer is obtained by polymerizing a conjugated diene compound or copolymerizing a conjugated diene compound with an aromatic vinyl compound, in the presence of an anionic polymerization initiator, and 1-300 pts.mass of a silica-based inorganic filler.

Inventors:

SAITO HITOSHI
MATSUDA TAKAAKI

Application Number:

JP2011229738A

Publication Date:

May 13, 2013

Filing Date:

October 19, 2011

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Assignee:

ASAHI KASEI CHEMICALS CORP

International Classes:

C08L15/00; C08C19/25; C08K3/04; C08K3/36; C08L7/00; C08L9/00

Domestic Patent References:

JP2009263538A	2009-11-12
JP5584288B2	2014-09-03
JP2009227858A	2009-10-08

Foreign References:

WO2011040312A1	2011-04-07
WO2007114203A1	2007-10-11

Attorney, Agent or Firm:

Yoshiyuki Inaba
Toshifumi Onuki
Kazuhiko Naito

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