Functional film comprised of thermoplastic resin base substrate

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

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428412, 428413, 428339, 428447, 428451, 4284735, 428421, 428422, 428480, 428483, 428452, 428522, 428524, B32B 2736

Patent

active

051027224

ABSTRACT:
Functional films comprising a thermoplastic resin having formed thereon a coating layer and a process for their production are disclosed. The films have improved properties including improved heat resistance, are inexpensive, and are for general-purpose. They are produced by baking a thin film of a phenol resin, an epoxy resin, a silicone resin, etc., onto a thermoplastic resin substrate and can be utilized for flexible printed circuit base, insulating tapes, etc.

REFERENCES:
patent: 2973287 (1961-02-01), McBride
patent: 2976185 (1961-03-01), McBride
patent: 4088807 (1978-05-01), Sakata et al.
patent: 4329399 (1982-05-01), Swerlick
patent: 4923718 (1990-05-01), Iida et al.
Chemical Abstracts, vol. 92, p. 59, Abstract 130163r.

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