Stabilization of poly(arylene ether ketones)

Details Stabilization of poly(arylene ether ketones) Stabilization of poly(arylene ether ketones)

1988-08-05

1989-10-17

Kight, John

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

Synthetic resins

Treating polymer containing material or treating a solid...

528125, 528128, 528481, 528499, 528503, C08F 600

Patent

active

048748390

ABSTRACT:
A method of stabilizing a poly(arylene ether ketone), which method comprises in one embodiment heating the poly(arylene ether ketone) at a temperature between about 240.degree. C. and about 325.degree. C. for a period of between about 0.5 and about 24 hours, prior to any melt-processing of the poly(arylene ether ketone) and in another embodiment hydrothermally treating the poly(arylene ether ketone) by heating it to a temperature of at least 160.degree. C. while contacting it with water.

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Attwood et al, Polymer 22, 1096 (1981).

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