Process for the production of composite membranes

Details Process for the production of composite membranes Process for the production of composite membranes

1979-02-26

1980-12-30

Lawrence, Evan K.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156230, 156236, 210490, 2105002, 210506, B32B 3112, B01D 3916

Patent

active

042421594

ABSTRACT:
A process for the production of a composite membrane consisting of a porous supporting membrane and a thin separating membrane. The separating membrane is produced on the surface of a carrier film (consisting essentially of a soluble polymer). The carrier film coated with the separating membrane is placed with its separating membrane side on a porous supporting membrane such that the separating membrane is between the supporting membrane and the carrier film. The carrier film is then dissolved.

REFERENCES:
patent: 3671007 (1972-06-01), Bailey et al.
patent: 3969452 (1976-07-01), Ciliberti et al.
patent: 3979274 (1976-09-01), Newman
patent: 4005012 (1977-01-01), Wrasidlo

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