Title:
METHOD FOR PRODUCING RUBBER VULCANIZATE
Document Type and Number:
WIPO Patent Application WO/2023/063096
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a method for producing a rubber vulcanizate that makes it possible to produce tires having lower fuel consumption and excellent grip. Provided is a method for producing a rubber vulcanizate, the method comprising: a kneading step for kneading a rubber (A), an inorganic filler (B), a silane coupling agent (C), and a basic compound (D) to obtain a rubber composition; and a vulcanization step for obtaining a rubber vulcanizate by adding a vulcanizing agent to the rubber composition obtained in the kneading step and vulcanizing the same, the silane coupling agent (C) being at least one compound selected from the group consisting of (protected) mercapto-based organosilicon compounds, organosilicon compounds having a skeleton of amino acids or derivatives thereof, compounds represented by formula (X), and condensates thereof. (X): (R1O)3Si-R2-S-C(=O)-CnH2n+1
Inventors:
TACHI YUKIHIRO (JP)
INOUE SATOSHI (JP)
INOUE SATOSHI (JP)
Application Number:
PCT/JP2022/036406
Publication Date:
April 20, 2023
Filing Date:
September 29, 2022
Export Citation:
Assignee:
OSAKA SODA CO LTD (JP)
International Classes:
C08J3/20; C08J3/24; C08K3/013; C08K5/54; C08L7/00; C08L9/00; C08L11/00; C08L21/00; C08L23/16; C08L23/22
Domestic Patent References:
| WO2019142890A1 | 2019-07-25 |
Foreign References:
| JP2014189598A | 2014-10-06 | |||
| JP2013108003A | 2013-06-06 | |||
| JP2013108001A | 2013-06-06 | |||
| JP2013108004A | 2013-06-06 | |||
| JP2013087272A | 2013-05-13 | |||
| JP2012180407A | 2012-09-20 | |||
| JP2012077217A | 2012-04-19 | |||
| JP2013173847A | 2013-09-05 | |||
| JP2013129762A | 2013-07-04 | |||
| JP2019104782A | 2019-06-27 | |||
| JP2013159669A | 2013-08-19 | |||
| JP2013116968A | 2013-06-13 | |||
| JP2020164440A | 2020-10-08 |
Attorney, Agent or Firm:
G-CHEMICAL INTELLECTUAL PROPERTY FIRM (JP)
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