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Title:
LAMINATE SHEET AND PACKAGING BODY
Document Type and Number:
WIPO Patent Application WO/2022/014610
Kind Code:
A1
Abstract:
This laminate sheet is provided with a substrate in the shape of a sheet, and a sealant layer provided over the substrate. The sealant layer has a first resin layer containing crystalline polyester, and a second resin layer that is located between the first resin layer and the substrate and does not contain polyester. The second resin layer bonds to the substrate and the first resin layer. The crystallization temperature of the crystalline polyester is between 120°C and 150°C, inclusive.

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Inventors:
AOKI KAZUMI (JP)
Application Number:
PCT/JP2021/026357
Publication Date:
January 20, 2022
Filing Date:
July 13, 2021
Export Citation:
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Assignee:
TOPPAN INC (JP)
International Classes:
B32B27/36; B65D65/40
Foreign References:
JP2012229447A2012-11-22
JP2017226423A2017-12-28
JPH0281630A1990-03-22
JPH0655717A1994-03-01
Other References:
See also references of EP 4183583A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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