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Title:
POLYVINYL ALCOHOL-BASED CROSSLINKED COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2020/138356
Kind Code:
A1
Abstract:
The present invention relates to a polyvinyl alcohol-based crosslinked copolymer containing an unsaturated monocarboxylic acid-based constituent unit, wherein the amount of constituent units forming a carboxylate in the crosslinked copolymer relative to the total amount of the constituent units constituting the crosslinked copolymer is 1 to 35% by mole and the solubility in water is 90% or less.

Inventors:
SAEGUSA YUSUKE (JP)
BABA MASAHIRO (JP)
KATO TOSHINORI (JP)
Application Number:
PCT/JP2019/051283
Publication Date:
July 02, 2020
Filing Date:
December 26, 2019
Export Citation:
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Assignee:
KURARAY CO (JP)
International Classes:
C08F8/28; C08F216/06; C08L29/04
Foreign References:
JPS5214689A1977-02-03
JPS6343930A1988-02-25
JPS56157434A1981-12-04
JPS58180233A1983-10-21
JP2019119891A2019-07-22
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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