Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1983-10-06
1985-10-01
Wong, Jr., Harry
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
2642884, 526247, B29D 724, B29G 700, C08F 1424
Patent
active
045447217
ABSTRACT:
A film of semi-crystalline poly(chlorotrifluoroethylene) or a semi-crystalline copolymer of chlorotrifluoroethylene which contain up to 5% comonomer units which film exhibits upon heat shrinking, no expansion in the direction perpendicular to stretching.
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Choy, Cheng & Hsu, J. Polymer Sci., Polymer Physics, 19, 991-1002, (1981).
E. I. Du Pont de Nemours and Company
Wong, Jr. Harry
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