Imide/arylene ether copolymers

Details Imide/arylene ether copolymers Imide/arylene ether copolymers

1989-11-21

1992-05-12

Carrillo, Ana L.

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

Synthetic resins

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

525434, 525436, C08L 7908

Patent

active

051129230

ABSTRACT:
Imide/arylene ether block copolymers are prepared by reacting anhydride terminated poly(amic acids) with amine terminated poly(arylene ethers) in polar aprotic solvents and chemically or thermally cyclodehydrating the resulting intermediate poly(amic acids). The resulting block copolymers have one glass transition temperature or two, depending upon the particular structure and/or the compatibility of the block units. Most of these block copolymers form tough, solvent resistant films with high tensile properties.

REFERENCES:
patent: 4870155 (1989-09-01), Motzner et al.
patent: 4873295 (1989-10-01), Kurosawa et al.

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