Polyaromatic ether-keto-sulfones curable by Diels-Alder cycloadd

Details Polyaromatic ether-keto-sulfones curable by Diels-Alder cycloadd Polyaromatic ether-keto-sulfones curable by Diels-Alder cycloadd

1981-05-20

1982-10-26

Lee, Lester L.

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

Synthetic resins

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

525391, 525418, 525905, 525906, 528125, 528128, 528173, C08G 7523

Patent

active

043562922

ABSTRACT:
The acid chloride of bis-m-carboxyphenyl acetylene was copolymerized with a mixture of isophthaloyl chloride, diphenyl ether and 4,4'-diphenoxydiphenyl sulfone to produce novel polyaromatic ether-ketone-sulfones easily cured by a Diels-Alder cycloaddition reaction.

REFERENCES:
patent: 3821168 (1974-06-01), Keil
patent: 3856858 (1974-12-01), Dighe et al.
patent: 3859252 (1975-01-01), Cho
patent: 3935167 (1976-01-01), Marvel et al.
patent: 4291153 (1981-09-01), Noonan et al.
patent: 4296232 (1981-10-01), Maresca et al.

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