Title:
PACKAGING BAG AND LAMINATE
Document Type and Number:
Japanese Patent JP2019006422
Kind Code:
A
Abstract:
To provide a packaging bag that can evacuate internal vapor of a storage part to the outside during heating and reduce an environmental load, and to provide a laminate.SOLUTION: A packaging bag uses a laminate including at least a base material layer and a sealant layer in this order and includes a vapor vent mechanism. The base material layer includes polyethylene terephthalate contains a biomass-derived ethylene glycol as a diol unit and a fossil fuel-derived terephthalic acid as a dicarboxylic acid unit.SELECTED DRAWING: Figure 1
Inventors:
TANAKA DAISUKE
KOMAGATA NORIKO
KOMAGATA NORIKO
Application Number:
JP2017121437A
Publication Date:
January 17, 2019
Filing Date:
June 21, 2017
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B65D81/34; B32B27/08; B32B27/32; B32B27/36; B65D65/40; B65D65/46
Domestic Patent References:
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Foreign References:
| WO2006115149A1 | 2006-11-02 | |||
| US20140263292A1 | 2014-09-18 |
Attorney, Agent or Firm:
Hiroyuki Nagai
Yukitaka Nakamura
Yasukazu Sato
Satoru Asakura
Yukihiro Hotta
Kazuya Hanawa
Yukitaka Nakamura
Yasukazu Sato
Satoru Asakura
Yukihiro Hotta
Kazuya Hanawa