Gas separating material

Details Gas separating material Gas separating material

B - Operations, Transporting

01

D

18/12, 402/222,

B01D 71/64 (2006.01)

Patent

CA 1169193

ABSTRACT OF THE DISCLOSURE A gas separating material having excellent heat-and chemical-resistances, mechanical strength and gas-separating function, comprises a gas separating layer consisting of at least one dense film having a thickness of from 0.1 to 20 microns and comprising at least one aromatic imide polymer which comprises at least 80 molar % of at least one type of recurring unit of the formula (I): Image (I) wherein R represents a divalent aromatic radical.

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