Crosslinked copolymers of aliphatic polyester diols and dianhydr

Details Crosslinked copolymers of aliphatic polyester diols and dianhydr Crosslinked copolymers of aliphatic polyester diols and dianhydr

1989-10-16

1990-08-07

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210654, B01D 1300

Patent

active

049465945

ABSTRACT:
A crosslinked copolymer composition is derived from an aliphatic polyester, a dianhydride and a diicoyanate. The copolymer membrane has high thermal stability and good aromatic/saturate selectivity and permeability.

REFERENCES:
patent: 4248984 (1981-02-01), Bi et al.

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