Gas barrier film having excellent flexibility

Details Gas barrier film having excellent flexibility Gas barrier film having excellent flexibility

2005-03-01

2005-03-01

Gulakowski, Randy (Department: 1712)

Stock material or miscellaneous articles

Composite

Of epoxy ether

C428S337000, C428S413000, C428S414000, C428S415000, C428S417000, C428S418000

Reexamination Certificate

active

06861147

ABSTRACT:
Provided is a gas barrier film in which in coating or laminating a single layer film or a multiplayer film comprising at least one (a) thermoplastic resin layer on which an inorganic compound is vapor deposited or (b) layer comprising metal foil, wherein 40% by weight or more of a skeletal structure represented by the following Formula (1) is contained in an epoxy resin-cured product formed from an epoxy resin composition comprising an epoxy resin and an epoxy resin curing agent as principal components. The above gas barrier film has a toughness and a high gas barrier property brought about by the above epoxy resin composition used for adhering or coating on various film materials in addition to a suitable adhesive performance to various film materials, so that it is a gas barrier film which does not cause a marked reduction in a gas barrier property brought about by treatment such as bending in mold-processing of the film and which is excellent in a flexibility

REFERENCES:
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patent: 6369148 (2002-04-01), Chiang et al.
patent: 20030003308 (2003-01-01), Kashiba et al.
patent: 1 219 656 (2002-07-01), None
patent: WO 9526997 (1995-10-01), None
Communication and European Search Report dated Sep. 13, 2004 for No. EP 03 00 7432.
Database WPI Section Ch., Week 200216, Derwent Publications Ltd., Class A21, AN 2002-117842 XP002294571, and JP No. 2001-301109, Oct. 30, 2001, Abstract only.

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