Semipermeable membranes prepared from polymers containing penden

Details Semipermeable membranes prepared from polymers containing penden Semipermeable membranes prepared from polymers containing penden

1982-03-12

1984-01-24

Spitzer, Robert H.

Gas separation

Means within gas stream for conducting concentrate to collector

55 68, 55158, B01D 5322

Patent

active

044274190

ABSTRACT:
Semipermeable membranes useful for separating gaseous mixtures of carbon dioxide and methane into enriched fractions of each are prepared from at least one polymer containing a preponderance of arylene units, such as polyxylene oxide, the arylene units containing pendent sulfone groups substituted with an aromatic group, such as phenyl.

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