Title:
積層体、及び積層体を用いた包装材
Document Type and Number:
Japanese Patent JP6797357
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide: a laminate which uses, as a base, a paper being a renewable resource and having a low environmental load, and which also has a gas barrier function and is also usable for soft packaging; a packaging material composed of the laminate; and a laminate that is further environmentally conscious by using a solventless adhesive as an adhesive constituting the laminate.SOLUTION: A laminate includes a gas barrier adhesive layer containing a polyester polyol (A) and a polyisocyanate compound (B), and a paper layer. The polyester polyol (A) is a reactant of a polyol component and an acid component containing, as an essential component, carboxylic acid or anhydride selected from the group consisting of maleic acid or anhydride thereof, fumaric acid or anhydride thereof, and succinic acid or anhydride thereof.SELECTED DRAWING: None
Inventors:
Michiya Nakajima
Hiroyuki Takeda
Teshima
Akihiro Kondo
Akane Sasamoto
Hiroyuki Takeda
Teshima
Akihiro Kondo
Akane Sasamoto
Application Number:
JP2016125566A
Publication Date:
December 09, 2020
Filing Date:
June 24, 2016
Export Citation:
Assignee:
DIC Corporation
International Classes:
B32B27/10; B32B27/00; B32B27/40; B65D65/40; C09J7/20; C09J175/06
Domestic Patent References:
| JP2013018904A | ||||
| JP6228524A | ||||
| JP4328187A | ||||
| JP2014516321A | ||||
| JP2013537574A |
Foreign References:
| WO2015079924A1 | ||||
| US20120160413 |
Attorney, Agent or Firm:
Shinji Ogawa