Title:
PRIMER COMPOSITION FOR SEPARATION AND LAMINATE
Document Type and Number:
WIPO Patent Application WO/2023/100461
Kind Code:
A1
Abstract:
The present invention addresses the problem of making it possible to reliably achieve strong adhesion between a substrate and a print layer during use, to make it easier to remove/separate a print layer from a resin substrate and a sealant layer with a separation liquid, and to provide excellent laminate suitability and post-retort laminate suitability. Provided as a solution is a primer composition for separation that is for forming a primer layer for separation in a laminate in which a resin substrate, the primer layer for separation, a print layer, and a sealant layer are formed in this order. The primer composition for separation contains at least one substance selected from the following (1)-(3). (1) A mixture containing a polyethyleneimine compound and a silane coupling agent that contains a glycidyl group. (2) A mixture containing a polyethyleneimine compound and a silane coupling agent that contains an isocyanate group. (3) A siloxane-modified polyethyleneimine compound.
Inventors:
TOMIURA IBUKI (JP)
TAKIMOTO KYOHEI (JP)
HARADA JUNICHI (JP)
TAKIMOTO KYOHEI (JP)
HARADA JUNICHI (JP)
Application Number:
PCT/JP2022/036474
Publication Date:
June 08, 2023
Filing Date:
September 29, 2022
Export Citation:
Assignee:
SAKATA INX CORP (JP)
International Classes:
B32B27/00; B32B7/06; C09D5/00; C09D179/02; C09J5/00; C09J179/02
Foreign References:
| JP2021091476A | 2021-06-17 | |||
| JP2021088408A | 2021-06-10 | |||
| JP2020175620A | 2020-10-29 | |||
| JP2017114930A | 2017-06-29 | |||
| JP2001131484A | 2001-05-15 |
Attorney, Agent or Firm:
YAMADA, Yasuyuki et al. (JP)
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