Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1984-11-06
1987-04-07
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
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.
Kakutani Haruko
Mizuno Toshiya
Murayama Naohiro
Nakamura Ken'ichi
Terasaki Syuji
Kureha Kagaku Kogyo Kabushiki Kaisha
Michl Paul R.
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