Multicomponent gas separation membranes having polyphosphazene c

Details Multicomponent gas separation membranes having polyphosphazene c Multicomponent gas separation membranes having polyphosphazene c

1983-12-28

1988-03-01

Spear, Frank

Gas separation

Means within gas stream for conducting concentrate to collector

210490, 21050027, B01D 1300

Patent

active

047283459

ABSTRACT:
Multicomponent membranes for gas separation having polyphosphazene coatings in occluding contact with a porous separation membrane are disclosed which are effective for separating at least one gas from gaseous mixtures and which exhibit improved stability when exposed to aromatic and aliphatic hydrocarbons contained in the gaseous mixtures. In addition multicomponent membranes for gas separations having a polyphosphazene coating in occluding contact with a porous separation membrane of polar material are disclosed which exhibit relative preferential permeation of polar gases from mixtures containing polar and non-polar gases.

REFERENCES:
patent: 4214020 (1980-07-01), Ward et al.

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