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Title:
RUBBER COMPOSITION, METHOD FOR PRODUCING RUBBER COMPOSITION AND PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2012087272
Kind Code:
A
Abstract:

To provide a rubber composition which can achieve the reduction in rolling resistance caused by the lightening of a tire and the improvement of its wear resistance on high levels, a method for producing the same, and a pneumatic tire using the rubber composition.

The rubber composition comprises: a rubber component (A) made of diene-based rubber; and a filler (B), and in which, provided that its actual density obtained by an A method in JIS K6268 is defined as dc, and the density and mass fraction of an i component by constituent analysis are defined as di and i, respectively, the relation in the following inequality (1) is satisfied: 0.970≤dc.Σ(i/di)≤0.980...(1), and the filler (B) at least comprises silica.


Inventors:
NISHIURA FUMIAKI
NAKAYAMA ATSUSHI
YUKIMURA NORIAKI
Application Number:
JP2010237769A
Publication Date:
May 10, 2012
Filing Date:
October 22, 2010
Export Citation:
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Assignee:
BRIDGESTONE CORP
International Classes:
C08L9/00; B60C1/00; C08J3/22; C08K3/04; C08K3/22; C08K3/34; C08K3/36; C08K5/549; C08L7/00; C08L9/06
Attorney, Agent or Firm:
Kenji Sugimura
Kazuyuki Tomita