Compositions of aromatic polyetherketones and glass and/or carbo

Details Compositions of aromatic polyetherketones and glass and/or carbo Compositions of aromatic polyetherketones and glass and/or carbo

1980-11-25

1982-11-23

Ziegler, J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524609, 524611, 528 86, 528 90, 528 99, 528125, C08L 6100

Patent

active

043606300

ABSTRACT:
A melt-fabricatable or melt-fabricated composition comprising (i) a crystalline thermoplastic aromatic polyetherketone containing the repeat unit ##STR1## alone or in conjunction with other repeat units said polymer having an inherent viscosity of at least 0.7 and (ii) a glass and/or carbon fibre reinforcing agent, which composition is melt-fabricatable into a composition exhibiting, or alternatively (if melt-fabricated) exhibits, an increase in heat deflection temperature (HDT) of at least 3.degree. C. per 1% by weight of reinforcing agent above the HDT of the unreinforced polyetherketone and an increase in flexural modulus of at least 0.2 GN.sub.m.sup.-2 per 1% by weight of reinforcing agent above the flexural modulus of the unreinforced polyetherketone.

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