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

1990-04-03

1991-03-05

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528 44, 528 80, 528 83, 528350, 528353, 525437, 525440, 525454, C08G 6340

Patent

active

049979060

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

REFERENCES:
patent: 4389457 (1983-06-01), Pauze et al.

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