Blends of poly(arylene ether ketones) and tetrafluoroethylene co

Details Blends of poly(arylene ether ketones) and tetrafluoroethylene co Blends of poly(arylene ether ketones) and tetrafluoroethylene co

1986-12-22

1988-10-11

Seccuro, Carman J.

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

Synthetic resins

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

525151, 525153, C08L 7100

Patent

active

047772140

ABSTRACT:
The invention relates to novel compositions comprising an admixture of (a) a semi-crystalline, thermoplastic poly(arylene ether ketone) having a crystalline melting point above about 320.degree. C. and (b) a substantially non-crystalline fluorocarbon polymer capable of withstanding temperature above about 320.degree. C. for at least about 5 minutes without substantial degradation, said fluorocarbon polymer comprising a copolymer of tetrafluoroethylene wherein the tetrafluoroethylene content of the copolymer is about 5 to about 85% by weight based on the weight of the copolymer, said composition being capable of being melt processed at a temperature above the crystalline melting point of the poly(arylene ether ketone). The compositions exhibit high temperature processability, resistance to solvents, and improved dielectric properties. The compositions can be further used as substrate coatings or formed into articles.

REFERENCES:
patent: 3400065 (1968-09-01), Barth
patent: 4332714 (1982-06-01), Haaf et al.
patent: 4351882 (1982-09-01), Concannon
patent: 4355126 (1982-10-01), Haaf et al.
patent: 4477630 (1984-10-01), Saito et al.
patent: 4505982 (1985-03-01), Hoheisel
patent: 4546141 (1985-10-01), Gebauer
patent: 4578427 (1986-03-01), Saito et al.
Enclopedia of Chemical Technology, 3rd Ed., vol. 11, pp. 7-8, 37-38, and 49, John Wiley & Sons, 1980.
Soltex Polymer Corp., Brochure No. 7/85/2.5M.

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