Title:
TRANSPARENT GAS BARRIER FILM
Document Type and Number:
Japanese Patent JP3801165
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a transparent gas barrier film capable of keeping not only excellent initial gas barrier properties or adhesion but also excellent gas barrier properties or adhesion even after boiling treatment and retorting treatment, boiling treatment and retorting treatment in a case that printing ink is applied to a topcoating layer to form a printing layer, further after various treatments such as the filling treatment with content or the like.
SOLUTION: In the transparent gas barrier film constituted by successively forming a metal oxide thin film layer and the topcoating layer on one side of a plastic film, the topcoating layer is composed of a polyester resin, a polyurethane resin and an isocyanate and the weight ratio of the polyester resin and the polyurethane resin is 100:2-30.
Inventors:
Junichi Iwai
Yasuo Miyagishi
Oyabu Exhibition
Yasuo Miyagishi
Oyabu Exhibition
Application Number:
JP2003375838A
Publication Date:
July 26, 2006
Filing Date:
November 05, 2003
Export Citation:
Assignee:
Reiko Co., Ltd.
International Classes:
B32B9/00; B32B27/36; (IPC1-7): B32B27/36; B32B9/00
Domestic Patent References:
| JP2001162711A | ||||
| JP2000192254A |
Foreign References:
| WO2000079544A1 |