Title:
RUBBER COMPOSITION FOR TIRES
Document Type and Number:
WIPO Patent Application WO/2022/097606
Kind Code:
A1
Abstract:
Provided is a rubber composition that is for tires and that improves fracture resistance without causing deterioration to low exothermic properties. The rubber composition for tires according to the present invention is characterized by being obtained by blending, with respect to 100 parts by mass of a diene-based rubber containing 80 mass% or more of natural rubber, 30-60 parts by mass of carbon black, 1.0-10 parts by mass of a maleic acid-modified rosin resin, and 0.5-3.0 parts by mass of a hydrazide compound represented by general formula (1). (In the formula, R1 and R2 each independently represent an alkyl group having 1-18 carbon atoms.)
Inventors:
HIROTA TETSUYA (JP)
Application Number:
PCT/JP2021/040245
Publication Date:
May 12, 2022
Filing Date:
November 01, 2021
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
C08K3/04; B60C1/00; C08K5/29; C08L7/00; C08L93/04; C08L101/12
Foreign References:
| JP2001172435A | 2001-06-26 | |||
| JPH10330549A | 1998-12-15 | |||
| JP2000186170A | 2000-07-04 | |||
| JP2012149136A | 2012-08-09 | |||
| JPH10287768A | 1998-10-27 |
Attorney, Agent or Firm:
SEIRYU PATENT PROFESSIONAL CORPORATION et al. (JP)
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