Title:
RUBBER POLYMER, METHOD FOR PRODUCING RUBBER POLYMER, RUBBER COMPOSITION AND TIRE TREAD
Document Type and Number:
WIPO Patent Application WO/2022/163152
Kind Code:
A1
Abstract:
A rubber polymer, wherein the total value of the content C1 of a structure represented by formula (1) and the content C2 of a structure represented by formula (2) is 40-60 mol%, inclusive, the content C3 of a structure represented by formula (3) is 15-60 mol%, inclusive, the content C4 of a structure represented by formula (4) is 2-25 mol%, inclusive, the content S of an aromatic vinyl monomer unit is 4-18 mol%, inclusive, the weight-average molecular weight measured by gel permeation chromatography (GPC) is at least 300,000, and the modification rate measured by the column adsorption GPC method is at least 60 mass%.
Inventors:
MATSUOKA DAIGO (JP)
YASUMOTO ATSUSHI (JP)
YASUMOTO ATSUSHI (JP)
Application Number:
PCT/JP2021/045167
Publication Date:
August 04, 2022
Filing Date:
December 08, 2021
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
B60C1/00; C08C19/02; C08K3/013; C08K3/04; C08K3/36; C08K5/54; C08L15/00
Domestic Patent References:
| WO2014133097A1 | 2014-09-04 | |||
| WO2017047451A1 | 2017-03-23 | |||
| WO2017086208A1 | 2017-05-26 | |||
| WO2021206068A1 | 2021-10-14 | |||
| WO1996005250A1 | 1996-02-22 | |||
| WO2003085010A1 | 2003-10-16 | |||
| WO2019151126A1 | 2019-08-08 | |||
| WO2019151127A1 | 2019-08-08 | |||
| WO2002002663A2 | 2002-01-10 | |||
| WO2015006179A1 | 2015-01-15 |
Foreign References:
| JP2000053706A | 2000-02-22 | |||
| JP2020514446A | 2020-05-21 | |||
| JP2000053706A | 2000-02-22 | |||
| JPS59140211A | 1984-08-11 | |||
| JP2021011623A | 2021-02-04 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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