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Title:
MULTILAYER BODY HAVING PRIMER COMPOSITION LAYER FOR DETACHMENT
Document Type and Number:
WIPO Patent Application WO/2023/100460
Kind Code:
A1
Abstract:
The present invention addresses the problem of achieving a multilayer body which has excellent lamination suitability, wherein a print layer is more easily separated and removed from a resin base material or a sealant layer by means of a release liquid. The present invention provides, as a means for solving the problem, a multilayer body wherein: a resin base material, a primer layer for detachment, a print layer, a primer layer for detachment, and a sealant layer are sequentially formed in this order; and a primer composition for detachment, the primer composition forming the primer layers for detachment, contains a polybutadiene compound and/or a polyethyleneimine compound that has an amine value of 5.0 to 25.0 mmol/g.

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Inventors:
TOMIURA IBUKI (JP)
TAKIMOTO KYOHEI (JP)
HARADA JUNICHI (JP)
Application Number:
PCT/JP2022/036473
Publication Date:
June 08, 2023
Filing Date:
September 29, 2022
Export Citation:
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Assignee:
SAKATA INX CORP (JP)
International Classes:
B65D65/40; B32B7/06; C09D5/00; C09D9/00; C09D109/00; C09D179/00
Domestic Patent References:
WO2021090690A12021-05-14
Foreign References:
JP2020175620A2020-10-29
JP2006212786A2006-08-17
JPH0953056A1997-02-25
CN111605280A2020-09-01
JPH0597959A1993-04-20
JP6631964B12020-01-15
JP6642688B12020-02-12
JP6388131B22018-09-12
JP2020175620A2020-10-29
JP6690806B12020-04-28
Attorney, Agent or Firm:
YAMADA, Yasuyuki et al. (JP)
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