Microporous support layer with interfacially polymerized copolya

Details Microporous support layer with interfacially polymerized copolya Microporous support layer with interfacially polymerized copolya

1989-08-31

1991-05-14

Spear, Frank

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

21050038, B01D 7156

Patent

active

050153803

ABSTRACT:
Copolyamide desalination membranes formed by interfacial polymerization on a microporous support are disclosed. The copolyamide is formed by copolymerization of m-phenylene diamine with cyclohexane-1,3,5-tricarbonyl chloride and any of isophthaloyl chloride, terephthaloyl chloride, or cyclohexane dicarbonyl chlorides wherein the average functionality of the acyl chlorides is from 2.20 to 2.40.

REFERENCES:
patent: 4626468 (1986-12-01), Sundet
patent: 4812238 (1989-03-01), Cadotte et al.
patent: 4872984 (1989-10-01), Tomaschke

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