Title:
多元共重合体、ゴム組成物、架橋ゴム組成物及びゴム物品
Document Type and Number:
Japanese Patent JP7041706
Kind Code:
B2
Abstract:
To provide a multi-component copolymer excellent in crack growth resistance and wettability, which is a rubber composition for use in production of rubber articles such as tires, conveyor belts, anti-vibration rubbers and seismic isolation rubbers.SOLUTION: A multi-component copolymer has a conjugated diene unit, a non-conjugated olefin unit, and an aromatic vinyl unit. The multi-component copolymer has a weight-average molecular weight (Mw) of 10,000 to 10,000,000 in terms of polystyrene, and 50% or more of the entire aromatic vinyl units are present in an amorphous part containing the conjugated diene unit.SELECTED DRAWING: None
Inventors:
Kimura Yen
Tomoe Tanabe
Shigeki Oishi
Tomoe Tanabe
Shigeki Oishi
Application Number:
JP2020051571A
Publication Date:
March 24, 2022
Filing Date:
March 23, 2020
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B60C1/00; C08F236/04; C08F210/00; C08F212/06; C08L9/06; C08L23/16
Domestic Patent References:
| JP2005220313A | ||||
| JP11286508A | ||||
| JP11228634A | ||||
| JP2007063240A |
Foreign References:
| WO2012014455A1 | ||||
| WO2017064860A1 |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Kazuyuki Tomita
Koji Kakinuma
Mitsutsugu Sugimura
Kazuyuki Tomita
Koji Kakinuma