Dielectric film for capacitor and process for producing same

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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264563, 264564, C08F 1422

Patent

active

046562346

ABSTRACT:
Vinylidene fluoride polymer films are provided having improved dielectric constants and tan .delta. values and which do not exhibit substantial shrinkage when heated to temperatures below the crystalline melt point. Processes for preparation of such films are presented.

REFERENCES:
patent: 3707592 (1972-12-01), Ishii et al.
patent: 3850900 (1974-11-01), Sagawa
patent: 3878274 (1975-04-01), Murayama et al.
patent: 3990824 (1976-11-01), Behr
U.S. patent application Ser. No. 256,839, filed 4/23/81.
European Search Report from EP 83305952.0.

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