Title:
ACRYLIC RUBBER BALE HAVING EXCELLENT BANBURY PROCESSABILITY AND WATER RESISTANCE
Document Type and Number:
WIPO Patent Application WO/2021/261215
Kind Code:
A1
Abstract:
Provided is an acrylic rubber bale having excellent Banbury processability and water resistance. An acrylic rubber bale according to the present invention is composed of acrylic rubber having a ion reactive group, wherein: the gel content of a methyl ethyl ketone-insoluble fraction is 15 wt% or less, optionally, all values measured in 20 spots are in a range of (average value ± 5) wt%, the pH is 6 or less, the ash content is between 0.0005 wt% and 0.2 wt%, and the total content of sodium, sulfur, calcium, magnesium and phosphorus in the ash is 90 wt% or more.
Inventors:
MASUDA HIROFUMI (JP)
KAWANAKA TAKAFUMI (JP)
KAWANAKA TAKAFUMI (JP)
Application Number:
PCT/JP2021/021353
Publication Date:
December 30, 2021
Filing Date:
June 04, 2021
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
C08F6/14; C08F220/10; C08K3/013; C08K3/04; C08K5/00; C08L33/04
Domestic Patent References:
| WO2019208821A1 | 2019-10-31 | |||
| WO2018117037A1 | 2018-06-28 | |||
| WO2018143101A1 | 2018-08-09 | |||
| WO2018079783A1 | 2018-05-03 | |||
| WO2021015143A1 | 2021-01-28 | |||
| WO2021014796A1 | 2021-01-28 | |||
| WO2021014789A1 | 2021-01-28 |
Foreign References:
| JP2004131654A | 2004-04-30 | |||
| JPH01225514A | 1989-09-08 | |||
| JP2004143323A | 2004-05-20 | |||
| US20050234207A1 | 2005-10-20 | |||
| JP2021017553A | 2021-02-15 | |||
| JP2021017572A | 2021-02-15 | |||
| JP6791411B1 | 2020-11-25 |
Attorney, Agent or Firm:
ARIGA, Eiichiro et al. (JP)
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