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Title:
CARBOXYL GROUP-CONTAINING NITRILE RUBBER
Document Type and Number:
WIPO Patent Application WO/2020/138184
Kind Code:
A1
Abstract:
Provided is a carboxyl group-containing nitrile rubber having an iodine value of 120 or less, wherein the sodium content is 1,500 ppmw or less, the combined content of calcium, magnesium and aluminum is 350 ppmw or less, and the storage elastic modulus at 140°C is 350 kPa or more.

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Inventors:
INOUE SAYAKA (JP)
ONO KENTARO (JP)
Application Number:
PCT/JP2019/050857
Publication Date:
July 02, 2020
Filing Date:
December 25, 2019
Export Citation:
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Assignee:
ZEON CORP (JP)
International Classes:
C08C1/04; C08C19/02; C08L13/00
Foreign References:
JP2004131654A2004-04-30
JP2009179686A2009-08-13
JP2011012142A2011-01-20
JP2016043528A2016-04-04
JP2015183029A2015-10-22
JP2015017168A2015-01-29
JP2016043528A2016-04-04
Other References:
See also references of EP 3904394A4
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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