Thin, non-porous polycarbonate films

Details Thin, non-porous polycarbonate films Thin, non-porous polycarbonate films

1973-10-01

1976-08-17

Tillman, Murray

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

260 47XA, 264298, B32B 3104, B29D 706

Patent

active

039752259

ABSTRACT:
Non-porous, thin, polycarbonate films and a process for their production. Solutions of polycarbonates in concentrations of less than 5 parts solids per 100 parts solvent are applied to the surface of liquids immiscible, or sparingly miscible with, the solvent for the polycarbonate. The solvent is then evaporated, and the resultant film removed. The films are useful for the separation of gas and liquid mixtures and for electrical insulating purposes.

REFERENCES:
patent: 826781 (1906-07-01), Gregory
patent: 2562373 (1951-07-01), Arnold
patent: 2689187 (1954-09-01), Thomsen
patent: 3028365 (1962-04-01), Schnell et al.
patent: 3271364 (1966-09-01), Conix et al.
patent: 3445321 (1969-05-01), Groves
patent: 3551244 (1970-12-01), Forester et al.
patent: 3555573 (1971-01-01), Turner
patent: 3679774 (1972-07-01), Le Grand
patent: 3767737 (1973-10-01), Lundstrom
patent: 3833681 (1974-09-01), Holub et al.

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