Title:
ACRYLIC RUBBER BALE WITH SUPERIOR STRENGTH CHARACTERISTICS AND WORKABILITY
Document Type and Number:
WIPO Patent Application WO/2021/014793
Kind Code:
A1
Abstract:
Provided are an acrylic rubber bale with superior strength characteristics and workability, a manufacturing method therefor, a rubber mixture that is obtained by including the acrylic rubber bale, a manufacturing method therefor, and a rubber crosslinked product thereof. This acrylic rubber bale comprises an acrylic rubber in which a (meth)acrylic acid ester is the primary component, the weight average molecular mass (Mw) is 1,000,000-5,000,000, and the ratio (Mz/Mw) of the z-average molecular mass (Mz) to the weight average molecular mass (Mw) is 1.3 or more. In this acrylic rubber bale, the methyl ethyl ketone-insoluble gel content is 50wt% or less.
Inventors:
MASUDA HIROFUMI (JP)
KAWANAKA TAKAFUMI (JP)
KAWANAKA TAKAFUMI (JP)
Application Number:
PCT/JP2020/022316
Publication Date:
January 28, 2021
Filing Date:
June 05, 2020
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
B29B11/12; B29C43/36; C08F6/22; C08F20/10; C08L33/08
Domestic Patent References:
| WO2018147142A1 | 2018-08-16 | |||
| WO2018116828A1 | 2018-06-28 | |||
| WO2018143101A1 | 2018-08-09 |
Foreign References:
| JPH11199743A | 1999-07-27 | |||
| JP2004131654A | 2004-04-30 | |||
| JP2006328239A | 2006-12-07 | |||
| JPS599962B2 | 1984-03-06 |
Other References:
See also references of EP 4000840A4
Attorney, Agent or Firm:
ARIGA, Eiichiro et al. (JP)
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