Processing aids for high temperature polymers

Details Processing aids for high temperature polymers Processing aids for high temperature polymers

1976-04-09

1978-08-29

Lieberman, Allan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 326NT, 528170, 528322, C08K 534, C08L 7908

Patent

active

041102940

ABSTRACT:
This invention provides a means for aiding in the processing of polyimide or polyamide-imide resins containing olefinic unsaturated end groups by use of unsaturated imide or their corresponding amide acid compounds which act as a flux for the resin. These fluxing compounds enhance the flow of these resins during processing and also facilitates the removal of volatiles thereby permitting the preparation of dense, low void content objects of high mechanical strength.

REFERENCES:
patent: 3406148 (1968-10-01), Sambeth et al.
patent: 3528950 (1970-09-01), Lubowitz
patent: 3533996 (1970-10-01), Grundschober et al.
patent: 3772254 (1973-11-01), Jones et al.
patent: 3781240 (1973-12-01), Lubowitz

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