Title:
POLY-N-VINYLCARBOXYLIC ACID AMIDE AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/085557
Kind Code:
A1
Abstract:
[Problem] The present invention addresses the problem of providing a water-soluble polymer that has a high molecular weight and high polarity, while also exhibiting low viscosity as an aqueous solution. [Solution] Poly-N-vinylcarboxylic acid amide which is a polymer of N-vinylcarboxylic acid amide and which is characterized by: at least one molecular terminal of the polymer being a hydrophobic group; having a weight-average molecular weight Mw of not less than 300,000; and having a viscosity of not more than 500 mPa as a 10 mass% aqueous solution.
Inventors:
SUGAWARA ATSUSHI (JP)
KONISHI JUN (JP)
KONISHI JUN (JP)
Application Number:
PCT/JP2021/038045
Publication Date:
April 28, 2022
Filing Date:
October 14, 2021
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
International Classes:
C08F26/02
Foreign References:
| JPH1143374A | 1999-02-16 | |||
| GB1082016A | 1967-09-06 | |||
| US2231905A | 1941-02-18 | |||
| JP2001122911A | 2001-05-08 | |||
| US6538088B1 | 2003-03-25 | |||
| US20030008993A1 | 2003-01-09 | |||
| JP2010158668A | 2010-07-22 |
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
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