Title:
RUBBER COMPOSITION, AND RUBBER CROSSLINKED PRODUCT AND PNEUMATIC TIRE USING SAID RUBBER COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2021/079844
Kind Code:
A1
Abstract:
Provided is a rubber composition with which a rubber crosslinked product having good workability and an excellent balance between rolling resistance and wet grip performance can be obtained. Provided is a rubber composition containing a diene rubber and a hydrocarbon resin, wherein the hydrocarbon resin content is 1-200 parts by mass per 100 parts by mass of the diene rubber, the hydrocarbon resin contains monomer units derived from a tetracyclododecene compound in a proportion of 0.1-50% by weight, the weight-average molecular weight (Mw) is in the range of 500-4,000, and the softening point is in the range of 80-170°C.
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Inventors:
NOZAWA ATSUSHI (JP)
Application Number:
PCT/JP2020/039238
Publication Date:
April 29, 2021
Filing Date:
October 19, 2020
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
B60C1/00; C08F232/04; C08F232/08; C08F236/04; C08L9/00; C08L45/00
Domestic Patent References:
| WO2018190427A1 | 2018-10-18 | |||
| WO2018198775A1 | 2018-11-01 | |||
| WO2019146690A1 | 2019-08-01 |
Foreign References:
| JP2017214509A | 2017-12-07 | |||
| JP2013159745A | 2013-08-19 | |||
| JP2012036229A | 2012-02-23 | |||
| JP2019507233A | 2019-03-14 | |||
| JP2005513208A | 2005-05-12 |
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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