Polymeric membrane having maleic anhydride residues

Details Polymeric membrane having maleic anhydride residues Polymeric membrane having maleic anhydride residues

1982-02-26

1983-10-04

Schofer, Joseph L.

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

Synthetic resins

Ion-exchange polymer or process of preparing

521 28, 525225, B01J 4712

Patent

active

044079753

ABSTRACT:
A polymeric membrane having maleic anhydride residues which comprises a blend of a maleic anhydride copolymer and a support polymer, said blend being partially cross-linked with a bifunctional cross-linking reagent. When hydrolyzed, this membrane turns into an ion exchange membrane or a membrane on which an enzyme is immobilized.

REFERENCES:
patent: 3446767 (1967-05-01), Nolan
patent: 4239854 (1980-12-01), Hirobara et al.
Chem. Abstract 120907R, vol. 82, 1975, Johansson et al.

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