Polymer compositions

Details Polymer compositions Polymer compositions

1989-10-30

1991-12-10

Carrillo, Ana L.

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

Synthetic resins

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

525436, 525906, C08L 6100, C08L 8106

Patent

active

050719254

ABSTRACT:
A polymer composition contains a polyarylketone, a polyarylsulphone and a polyimide. The polyketone may be a polyaryletheretherketone, and the polyarylsulphone may be a polyarylethersulphone. The polyimide may be a polyetherimide in which the repeating group contains the unit ##STR1## The composition contains at least 5% by weight of the polyarylketone and the polyarylsulphone and at least 10% of the polyimide. The proportion of the polyarylketone is preferably 30 to 70% by weight. The proportion of polyarylsulphone is preferably 15 to 40% by weight. The proportion of polyimide is preferably 10 to 30% by weight. A composition of 60% by weight of polyaryletheretherketone; 20% by weight of polyarylethersulphone and 20% by weight of polyetherimide forms a mixture with good compatibility, has a high glass transition temperature and retains a melting point close to that of the polyaryletheretherketone.

REFERENCES:
patent: 3712932 (1973-01-01), Balme et al.
patent: 4293670 (1981-10-01), Robeson et al.
patent: 4435350 (1984-03-01), Fukushima et al.
patent: 4503168 (1985-03-01), Hartsing
patent: 4624997 (1986-11-01), Robeson et al.
PCT-Polymeric Articles and Methods of Manufacture thereof.
Abstract-38-Plastics Fabr., Uses, vol. 99, 1983.

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