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Title:
ACRYLIC RUBBER AND CROSSLINKABLE COMPOSITION THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/250570
Kind Code:
A1
Abstract:
This acrylic rubber is a copolymer provided by the copolymerization, as a crosslinkable comonomer, of 1-3 wt% in the copolymer of a monoalkyl fumarate ester monomer having a C1-8 alkyl group, and the copolymerization of n-butyl acrylate, 2-methoxyethyl acrylate, and ethoxyethoxyethyl acrylate in proportions, respectively, of 45-65 wt%, 12-32 wt%, and 11-30 wt%, in 100 wt% for the comonomer other than the crosslinkable comonomer. This acrylic rubber is capable of resisting reductions in oil resistance while providing an improved cold resistance as indicated by the TR-10 value.

Inventors:
TOGE DAICHI (JP)
Application Number:
PCT/JP2020/017040
Publication Date:
December 17, 2020
Filing Date:
April 20, 2020
Export Citation:
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Assignee:
UNIMATEC CO LTD (JP)
International Classes:
C08F220/18; C08K5/18; C08K5/31; C08L33/08; C09K3/10
Domestic Patent References:
WO2007114108A12007-10-11
WO2018168395A12018-09-20
WO2019087876A12019-05-09
Foreign References:
JP2006193559A2006-07-27
JP2008214418A2008-09-18
JP2009040922A2009-02-26
JP2007186631A2007-07-26
JPH1192614A1999-04-06
JPH06145257A1994-05-24
Other References:
See also references of EP 3985039A4
Attorney, Agent or Firm:
YOSHIDA Toshio et al. (JP)
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