Applying a fluoropolymer film to a body

Details Applying a fluoropolymer film to a body Applying a fluoropolymer film to a body

1995-11-21

1998-06-30

Dudash, Diana

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

427245, 4272556, 427307, 427534, 427536, 427538, B05D 304, C08J 718

Patent

active

057730989

ABSTRACT:
A thin fluoropolymer film is covalently bonded to a microporous ptfe film to make a bilayer for separation, filtration or reverse osmosis, by exposing the microporous film to perfluorocyclohexane under plasma. The perfluorocyclohexane molecules undergo scission and the fragments combine on the substrate to make a fluoropolymer film wherein the pores of the substrate have not been completely closed by the coating.

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Clark, et al: "Plasma Polymerization. III. An ESCA Investigation of Polymers Synthesized by Excitation of Inductively Coupled RF Plasmas in Perfluorocyclohexa-1,3- and 1-4-Dienes, and in Perfluorocyclohexene", Journal of Polymer Science: Polymer Chemistry Edition, vol. 18, 407-425 (1980).
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