Title:
RESIN COMPOSITION, WATER-SWELLABLE FILM, ARTICLE COVERED WITH WATER-SWELLABLE FILM, AND METHOD FOR PRODUCING WATER-SWELLABLE FILM
Document Type and Number:
WIPO Patent Application WO/2023/074837
Kind Code:
A1
Abstract:
The present invention relates to a resin composition comprising: a polymer (I) selected from the group consisting of polymers (a1) including a structural unit (i) having a betaine structure of an ester bond type and polymers (b1) including a structural unit (ii) having a betaine structure not of an ester bond type and a structural unit (iii) having a carboxyl group; an organic solvent having a 25°C Hansen solubility parameter in which the dispersion term δD is 10-24 MPa1/2, the polarity term δP is 5-19 MPa1/2, and the hydrogen-bonding term δH is 3-17 MPa1/2 and having a boiling point higher than 100°C; and water.
Inventors:
YAMAMOTO SHINPEI (JP)
FUTAMI SOICHI (JP)
TAKATA YUMI (JP)
FUTAMI SOICHI (JP)
TAKATA YUMI (JP)
Application Number:
PCT/JP2022/040315
Publication Date:
May 04, 2023
Filing Date:
October 28, 2022
Export Citation:
Assignee:
OSAKA ORGANIC CHEMICAL IND LTD (JP)
International Classes:
C08L101/02; C08F20/36; C08F20/38; C08F20/60; C08L33/14; C09D133/14
Domestic Patent References:
| WO2016067795A1 | 2016-05-06 | |||
| WO2021261473A1 | 2021-12-30 |
Foreign References:
| CN108102456A | 2018-06-01 | |||
| JP2020522534A | 2020-07-30 | |||
| JP2014012861A | 2014-01-23 | |||
| JPS5651737A | 1981-05-09 | |||
| JP2019513851A | 2019-05-30 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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