Title:
MIGRATION-PREVENTING COATING AGENT
Document Type and Number:
WIPO Patent Application WO/2023/276291
Kind Code:
A1
Abstract:
The present invention addresses the problem of forming a layer that can prevent the migration of an ink composition reliably. As a solution, a migration-preventing coating agent is provided, which comprises a polyvinyl alcohol-based copolymer resin having a structural unit represented by formula (1) in the molecule thereof (component A) and a polyvinyl alcohol-based (co)polymer resin having a carbonyl group in the molecule thereof (component B). (In formula (1), R1 and R2 independently represent a hydrocarbon group having 1 to 3 carbon atoms.)
Inventors:
NAKASHIMA OKINORI (JP)
OHKI MAKOTO (JP)
MYOSE TAKUYA (JP)
FUKE KAZUHIRO (JP)
OHKI MAKOTO (JP)
MYOSE TAKUYA (JP)
FUKE KAZUHIRO (JP)
Application Number:
PCT/JP2022/010170
Publication Date:
January 05, 2023
Filing Date:
March 09, 2022
Export Citation:
Assignee:
SAKATA INX CORP (JP)
International Classes:
C09D129/04; B32B27/30; C09D5/00; C09D7/61; C09D7/63; C09D11/101
Domestic Patent References:
| WO2013146155A1 | 2013-10-03 |
Foreign References:
| JPH0693133A | 1994-04-05 | |||
| JP2005288948A | 2005-10-20 | |||
| JP2006176589A | 2006-07-06 |
Other References:
K. W. SUHJ. M. CORBETT'S: "For calculation of the sp value", J. APPL. POLYM. SCI., vol. 12, 1968, pages 2359
Attorney, Agent or Firm:
YAMADA, Yasuyuki et al. (JP)
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