Title:
CARBOXYL GROUP-CONTAINING NITRILE RUBBER, CROSSLINKABLE NITRILE RUBBER COMPOSITION AND CROSSLINKED RUBBER PRODUCT
Document Type and Number:
WIPO Patent Application WO/2019/049855
Kind Code:
A1
Abstract:
Provided is a carboxyl group-containing nitrile rubber, which contains an α,β-ethylenically unsaturated monocarboxylic acid ester in an amount of 26-50% by weight, while having an iodine number of 120 or less, a total content of sodium, calcium and magnesium of 1,000 ppm by weight or less, and a chloride ion content of 50-500 ppm by weight.
Inventors:
HERAI TAIKI (JP)
YOSHIMURA TSUTOMU (JP)
YOSHIMURA TSUTOMU (JP)
Application Number:
PCT/JP2018/032727
Publication Date:
March 14, 2019
Filing Date:
September 04, 2018
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
C08F236/06; C08F220/18; C08F236/12; C08K5/17; C08L9/02; C08L13/00; C09K3/10
Domestic Patent References:
| WO2017047571A1 | 2017-03-23 |
Foreign References:
| JP2010528142A | 2010-08-19 | |||
| JPH05230796A | 1993-09-07 | |||
| JP2011511112A | 2011-04-07 | |||
| JP2014518300A | 2014-07-28 |
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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