Title:
RUBBER COMPOSITION FOR TIRES, AND TIRE
Document Type and Number:
WIPO Patent Application WO/2022/158423
Kind Code:
A1
Abstract:
One embodiment of the present invention provides a tire rubber composition which is obtained by blending 100 parts by mass of a diene-based rubber, containing a styrene-butadiene copolymer rubber in which the styrene amount is 30 mass% or more, with the following: 50-200 parts by mass of carbon black in which the nitrogen adsorption specific surface area (N2SA) is 100-500 m2/g and the ratio (N2SA (units: m2/g) and iodine adsorption amount IA (units: mg/g) (N2SA/IA) is 0.90-1.03; 5-50 parts by mass of a specific styrenated phenol compound; and 20 parts by mass or more of a tackifying resin. The amount of the styrenated phenol compound is 15 mass% or more relative to the tackifying resin.
Inventors:
HIJIKATA KENSUKE (JP)
Application Number:
PCT/JP2022/001408
Publication Date:
July 28, 2022
Filing Date:
January 17, 2022
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
C08L9/06; B60C1/00; C08K3/04; C08K3/36; C08K5/13; C08K5/548; C08L101/00
Foreign References:
| JP2016176011A | 2016-10-06 | |||
| JP2016108351A | 2016-06-20 | |||
| JP2016104833A | 2016-06-09 | |||
| JP2016108379A | 2016-06-20 | |||
| JP2016113474A | 2016-06-23 | |||
| JP2016108377A | 2016-06-20 | |||
| JP2016108352A | 2016-06-20 | |||
| JP2016155976A | 2016-09-01 | |||
| JP2016155980A | 2016-09-01 | |||
| JP2016113513A | 2016-06-23 | |||
| JP2016113482A | 2016-06-23 | |||
| JP2017071702A | 2017-04-13 | |||
| JP2013256630A | 2013-12-26 | |||
| JP2014517094A | 2014-07-17 |
Attorney, Agent or Firm:
NODA, Shigeru (JP)
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