Composite membrane that includes a separation membrane

Details Composite membrane that includes a separation membrane Composite membrane that includes a separation membrane

1992-08-13

1995-08-29

Spear, Frank

Liquid purification or separation

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Supported, shaped or superimposed formed mediums

21050036, B01D 7132

Patent

active

054457394

ABSTRACT:
A composite membrane is provided in which a functional separation membrane is adhered to a hydrophilic porous fluoropolymer support membrane whose pores are coated with a fluorine-containing copolymer that provides durable hydrophilic properties to the membrane.

REFERENCES:
patent: 4954388 (1990-09-01), Mallouk et al.
patent: 5041225 (1991-08-01), Horman
Journal of Membrane Science, vol. 54, No. 1/2, 15 Nov. 1990, Amsterdam pp. 51-61; "Thin and Composite High-Flux Membranes of Perfluorosulfonated Ion-Exchange Polymer".

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