Title:
TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/158237
Kind Code:
A1
Abstract:
In the present invention, in order to provide a tire rubber composition which provides improved dry grip performance, enhanced breaking strength and excellent wear resistance and reduces the temperature dependence of hardness, 50 to 200 parts by mass of carbon black having a nitrogen adsorption surface area (N2SA) of 100 to 500 m2/g and 5 to 50 parts by mass of a terpene phenolic resin having an acid value of 30 mgKOH/g or more and a hydroxyl value of 5 mgKOH/g are compounded for 100 parts by mass of a diene rubber containing a styrene-butadiene copolymer rubber.
Inventors:
HIJIKATA KENSUKE (JP)
Application Number:
PCT/JP2019/049896
Publication Date:
August 06, 2020
Filing Date:
December 19, 2019
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B60C1/00; C08K3/04; C08L9/06; C08L65/00
Domestic Patent References:
| WO2012133268A1 | 2012-10-04 |
Foreign References:
| JP2016056236A | 2016-04-21 | |||
| JP2016037532A | 2016-03-22 | |||
| CN109265843A | 2019-01-25 | |||
| JPH1150031A | 1999-02-23 | |||
| JP2005075876A | 2005-03-24 |
Attorney, Agent or Firm:
NODA, Shigeru (JP)
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