Title:
RUBBER COMPOSITION, VULCANIZED RUBBER COMPOSITION AND PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2019/235075
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a rubber composition and a vulcanized rubber composition, which are capable of improving the on-ice performance of a tire both in an initial period of use and in a later period of use if used in the tire. In order to achieve the above-described purpose, the present invention is characterized by containing: a rubber component; a filler; a foaming agent; and an unmodified acrylic polymer and/or a modified acrylic polymer, which has at least one modification group that is selected from among a hydroxyl group, an epoxy group and a carboxy group, in an amount of 0.5-25 parts by mass relative to 100 parts by mass of the rubber component.
Inventors:
TASHIMA SHIGEKI (JP)
Application Number:
PCT/JP2019/016368
Publication Date:
December 12, 2019
Filing Date:
April 16, 2019
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08L7/00; B60C1/00; C08K3/01; C08K3/013; C08K3/36; C08L9/00; C08L15/00; C08L33/06
Domestic Patent References:
| WO2017126629A1 | 2017-07-27 |
Foreign References:
| JP2006274051A | 2006-10-12 | |||
| JP2018131559A | 2018-08-23 | |||
| JP2019019202A | 2019-02-07 | |||
| JPH08333480A | 1996-12-17 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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