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Title:
XANTHOGEN-MODIFIED CHLOROPRENE RUBBER, RUBBER COMPOSITION, AND VULCANIZED MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2018/110369
Kind Code:
A1
Abstract:
Provided are: a xanthogen-modified chloroprene rubber, which is capable of achieving both good mechanical strength and good tensile fatigue resistance without deteriorating workability and deformation resistance at low temperature, while maintaining weather resistance and flame retardancy; and a rubber composition thereof. In the xanthogen-modified chloroprene rubber, the amount of bonding of chloroprene units is 78-98.9 mass%, the amount of bonding of 2,3-dichloro-1,3-butadiene units is 1-20 mass%, the amount of bonding of α, β-unsaturated carboxylic acid units is 0.1-2 mass%, and the weight average molecular weight is 340,000-520,000.

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Inventors:
KONDO YASUSHI (JP)
YAMAGISHI UICHIRO (JP)
ABE YASUSHI (JP)
Application Number:
PCT/JP2017/043652
Publication Date:
June 21, 2018
Filing Date:
December 05, 2017
Export Citation:
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Assignee:
DENKA COMPANY LTD (JP)
International Classes:
C08F2/38; C08F236/18; C08L15/02
Foreign References:
JPH0376734A1991-04-02
JPH07286071A1995-10-31
JPH1060049A1998-03-03
JP2006307156A2006-11-09
JPS5543109A1980-03-26
JPS56106909A1981-08-25
JP2007191710A2007-08-02
JP2012211345A2012-11-01
JP2001131342A2001-05-15
JPH09235414A1997-09-09
Other References:
See also references of EP 3556786A4
Attorney, Agent or Firm:
WATANABE Kaoru (JP)
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