MULTI-COMPONENT COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION, AND RUBBER ARTICLE

Title:

MULTI-COMPONENT COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION, AND RUBBER ARTICLE

Document Type and Number:

WIPO Patent Application WO/2017/064860

Kind Code:

A1

Abstract:

Provided is a multi-component copolymer that excels in low heat generation properties and makes it possible to improve the rolling workability of a rubber composition. The multi-component copolymer is characterized by having a conjugated diene unit, a non-conjugated olefin unit, and an aromatic vinyl unit, wherein the proportion of the entirety of the aromatic vinyl unit that is in an amorphous portion including the conjugated diene unit is less than 50%.

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Inventors:

KIMURA MADOKA (JP)
TANABE TOMOE (JP)
OISHI SHIGEKI (JP)

Application Number:

PCT/JP2016/004543

Publication Date:

April 20, 2017

Filing Date:

October 11, 2016

Export Citation:

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Assignee:

BRIDGESTONE CORP (JP)

International Classes:

C08F236/10; B60C1/00; C08F210/00; C08F212/06; C08L9/00; C08L23/00; C08L25/02; C08L47/00

Domestic Patent References:

WO2006004068A1	2006-01-12
WO2007129670A1	2007-11-15
WO2012014455A1	2012-02-02
WO2015190072A1	2015-12-17
WO2015190073A1	2015-12-17

Foreign References:

JPH09291121A	1997-11-11
JPH1135744A	1999-02-09
JPH1135810A	1999-02-09
JPH1180269A	1999-03-26
JP2005220313A	2005-08-18

Other References: