Title:
LAMINATE SHEET AND FOOD PACKAGING CONTAINER
Document Type and Number:
WIPO Patent Application WO/2023/228549
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a laminate sheet containing calcium carbonate particles, in which nonuniformity of appearance and mechanical characteristics is suppressed. The present invention provides a three-layer laminate sheet, wherein the laminate sheet comprises an inner layer, and a first outer layer and second outer layer layered on the surface of the inner layer, the inner layer includes calcium carbonate particles satisfying a prescribed requirement, and a thermoplastic resin, the first outer layer and the second outer layer each include a thermoplastic resin, and the ratio of the thickness of each of the first outer layer and the second outer layer is 2.0%-20.0% with respect to the total thickness of the laminate sheet.
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Inventors:
HATTORI YUSUKE (JP)
OHMORI NOBORU (JP)
KANETAKA HIDENARI (JP)
TAKAMATSU YORINOBU (JP)
OHMORI NOBORU (JP)
KANETAKA HIDENARI (JP)
TAKAMATSU YORINOBU (JP)
Application Number:
PCT/JP2023/012282
Publication Date:
November 30, 2023
Filing Date:
March 27, 2023
Export Citation:
Assignee:
TBM CO LTD (JP)
International Classes:
B32B27/20; B32B27/00; B32B27/32; B65D65/40; C08K3/26; C08L23/06
Foreign References:
| JP6857428B1 | 2021-04-14 | |||
| JP2021112862A | 2021-08-05 | |||
| JP2021112863A | 2021-08-05 | |||
| JP2020158560A | 2020-10-01 | |||
| JP6661155B1 | 2020-03-11 | |||
| US8604123B1 | 2013-12-10 | |||
| CN102011347A | 2011-04-13 | |||
| JP6764210B1 | 2020-09-30 | |||
| JP6919954B1 | 2021-08-18 | |||
| JP7079543B1 | 2022-06-02 |
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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