Thick polyimide-metal laminates with high peel strength

Details Thick polyimide-metal laminates with high peel strength Thick polyimide-metal laminates with high peel strength

1983-09-21

1985-06-11

Herbert, Thomas J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

15624411, 15624424, 264176R, 264205, 4273855, 4273881, 4273935, 428334, 428335, 428336, 428394, 428458, 4284735, B32B 1508, B32B 2708, B28B 320, B05D 302

Patent

active

045228809

ABSTRACT:
A laminate comprising an insoluble, intractable relatively thick layer of a polyimide bonded tightly onto a metallic substrate without the necessity for an intermediate adhesive bonding layer and a process for preparing such by directly extruding a polyamic acid polyimide-precursor onto said substrate and converting said polyamic acid to the polyimide in a single pass in at least two heating stages.

REFERENCES:
patent: 3168417 (1965-02-01), Smith, Jr. et al.
patent: 3428602 (1969-02-01), Haller
patent: 3471276 (1969-10-01), Bragaw
patent: 3981847 (1976-09-01), Meyer et al.
patent: 4411952 (1983-10-01), Sasaki et al.

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