Blends of polyethersulfones with aromatic polymides, polyamides

Details Blends of polyethersulfones with aromatic polymides, polyamides Blends of polyethersulfones with aromatic polymides, polyamides

1995-04-17

1997-03-04

Woodward, Ana

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525436, C08L 7908

Patent

active

056080140

ABSTRACT:
The present invention provides a three-component blend of (i) certain aromatic polyethersulfones, (ii) certain aromatic polyimides, and (iii) certain aromatic polyimides, polyamides or polyamide-imides or mixtures thereof. The blends provide gas separation membranes with superior gas transport properties.

REFERENCES:
patent: 3838097 (1974-09-01), Wirth et al.
patent: 3847867 (1974-11-01), Heath et al.
patent: 4107147 (1978-08-01), Williams, III et al.
patent: 5047487 (1991-09-01), Camargo et al.
patent: 5286812 (1994-02-01), Karasz et al.

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