Polyimide/metal composite sheet

Details Polyimide/metal composite sheet Polyimide/metal composite sheet

1996-07-31

1998-04-21

Nakarani, D. S.

Stock material or miscellaneous articles

Composite

Of metal

4284735, B32B 1508

Patent

active

057415986

ABSTRACT:
A polyimide/metal composite sheet is composed of a polyimide substrate film (made of polyimide prepared by reaction of symmetric biphenyltetracarboxylic acid dianhydride and p-phenylenediamine, and optionally 4,4'-diaminodiphenyl ether), a polyimide intervening layer (made of polyimide prepared by reaction of asymmetric biphenyltetracarboxylic acid dianhydride and 1,3-bis(4-aminophenoxy)benzene), and a metal foil. The polyimide substrate film and the intervening polyimide layer are firmly combined and hardly peelable from each other, and the intervening polyimide layer and the metal foil are combined strongly by hot-melt.

REFERENCES:
patent: 5262227 (1993-11-01), Takabayashi et al.

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