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Patent Searching and Data


Title:
RUBBER COMPOSITION FOR TREAD, AND PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2019/017067
Kind Code:
A1
Abstract:
The present invention provides: a rubber composition for a tread, the rubber composition having excellent tensile properties and excellent wet grip performance at the initial stage of driving; and a pneumatic tire using the rubber composition. The present invention pertains to a rubber composition for a tread, the rubber composition containing a diene-based rubber, silica, sulfur and/or a sulfur-containing compound, and satisfying formulae (1)-(3): (1) EB/M300≥50; (2) M100≥1.7Mpa; and (3) EB≥500%.

Inventors:
MIYAZAKI TATSUYA (JP)
Application Number:
JP2018/019780
Publication Date:
January 24, 2019
Filing Date:
May 23, 2018
Export Citation:
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Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
C08L9/00; B60C1/00; B60C11/00; C08C19/25; C08K3/06; C08K3/36; C08K5/36; C08L93/04
Foreign References:
JPH10101847A1998-04-21
JP2008527157A2008-07-24
JP2014214266A2014-11-17
JP2005146076A2005-06-09
JPS60158233A1985-08-19
JP2010111753A2010-05-20
JPH0653768B21994-07-20
JPH0657767B21994-08-03
JP2009275178A2009-11-26
Other References:
K. L. HOY: "Solvent and Coatings Materials Research and Development Department", 1985, UNION CARBIDE CORP, article "Table of Solubility Parameters"
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
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