Title:
LAMINATE, PACKAGING BODY, AND PACKAGING ARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/033158
Kind Code:
A1
Abstract:
Provided are: a laminate that contains polyethylene and is suitable for recycling, the laminate having exceptional heat resistance and strength; and a packaging body and a packaging article that include the laminate. This laminate (10A1) comprises a base material layer (1), an adhesive layer (3), and a sealant layer (2) in the stated order. The base material layer (1) and the sealant layer (2) contain polyethylene. The degree of crystallization in the base material layer (1) is 35% or greater, the degree of crystallization being the ratio of the crystal peak area to the total peak area as measured within a diffraction angle range of 10-30° through a parallel beam technique in X-ray diffraction.
Inventors:
SHIOKAWA SHUNICHI (JP)
EJIMA YUKI (JP)
MATSUHISA KENJI (JP)
TAKEI RYO (JP)
TANAKA RYOTA (JP)
EJIMA YUKI (JP)
MATSUHISA KENJI (JP)
TAKEI RYO (JP)
TANAKA RYOTA (JP)
Application Number:
PCT/JP2022/033184
Publication Date:
March 09, 2023
Filing Date:
September 02, 2022
Export Citation:
Assignee:
TOPPAN INC (JP)
International Classes:
B32B27/32; B65D65/40
Domestic Patent References:
| WO2022154053A1 | 2022-07-21 |
Foreign References:
| JP2020203405A | 2020-12-24 | |||
| CN210526002U | 2020-05-15 | |||
| JP2002052669A | 2002-02-19 | |||
| JPH0667358A | 1994-03-11 | |||
| JPH11179859A | 1999-07-06 | |||
| JP2009241359A | 2009-10-22 | |||
| JP2020196791A | 2020-12-10 | |||
| JP2020055157A | 2020-04-09 |
Attorney, Agent or Firm:
SUZUYE & SUZUYE (JP)
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