Title:
N-VINYL LACTAM COPOLYMER AND COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/243446
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an N-vinyl lactam copolymer and composition that have little elution into carbonate electrolyte solvents while maintaining excellent carbon dispersion ability and solubility in water. The present invention is an N-vinyl lactam copolymer that has a structural unit (A) derived from a salt of an acid group-containing monomer and a structural unit (B) derived from an N-vinyl lactam monomer, in which, when the total amount of structural units (A) and structural units (B) is taken as 100 mass%, the content of structural units (A) is 30 mass% or less, the weight average molecular weight is from 1,000 to 100,000, and the K value by the Fikentscher method is 12-60.
Inventors:
IKEMOTO YUI (JP)
Application Number:
PCT/JP2023/020682
Publication Date:
December 21, 2023
Filing Date:
June 02, 2023
Export Citation:
Assignee:
NIPPON CATALYTIC CHEM IND (JP)
International Classes:
C08F226/06; C08F220/04; C08F220/06; C08K3/02; C08K3/04; C08K7/06; C08L39/04; H01M4/62
Foreign References:
| JPH09506385A | 1997-06-24 | |||
| JP2001343746A | 2001-12-14 | |||
| JP2007126397A | 2007-05-24 | |||
| JP2019131738A | 2019-08-08 |
Attorney, Agent or Firm:
WISEPLUS IP FIRM (JP)
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