Stock material or miscellaneous articles – Hollow or container type article – Nonself-supporting tubular film or bag
Patent
1987-01-23
1988-12-13
Herbert, Thomas J.
Stock material or miscellaneous articles
Hollow or container type article
Nonself-supporting tubular film or bag
427 34, 427 38, 4272552, 428422, 428463, 428520, B65D 100, B32B 1508, B32B 2708
Patent
active
047910127
ABSTRACT:
Films, layers, tapes, plates, and similar structures of metal or of plastic materials, coated with thin polyfluorocarbon films. These films, tapes, etc., are characterized in that no other materials are interposed; the polyfluorocarbon films are adherent and not porous, and have controlled wettability characteristics. The polyfluorocarbons have the formula (CF.sub.x).sub.n, wherein x is within the range of from 0.3 to 2.0, and are directly obtained on the substrate by the plasma-polymerization of gaseous streams of C.sub.2 F.sub.6 and H.sub.2 ; C.sub.2 F.sub.6 and C.sub.2 F.sub.4 ; CF.sub.4 and H.sub.2 ; CF.sub.4 and C.sub.2 F.sub.4 ; or of C.sub.2 F.sub.4. The metal substrate may be, e.g., Al, Cu, Fe, tin-coated Fe, Si, noble metals and alloys thereof. The substrate of plastic materials may be constituted, e.g., by polytetrafluoroethylene, polypropylene, polyethylene, polyphenyloxide, polycarbonate, and neoprene.
REFERENCES:
patent: 4628003 (1986-12-01), Katz
patent: 4656083 (1987-04-01), Hoffman et al.
patent: 4666762 (1987-05-01), Yamamoto
B. D. Washo, "Surface-Property Characterization of Plasma-Polymerized Tetrafluoroethylene Deposits", Plasma Chemistry of Polymers, Marcel Dekker Inc., N.Y., 1976, pp. 191-198.
Caporiccio Gerardo
Cramarossa Francesco
D'Agostino Riccardo
Fracassi Francesco
Illuzzi Francesca
Ausimont S.p.A.
Herbert Thomas J.
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