Aromatic polysulfone resin compositions

Details Aromatic polysulfone resin compositions Aromatic polysulfone resin compositions

1991-02-27

1993-09-14

Marquis, Melvyn I.

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

Synthetic resins

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

525537, C08L 8106

Patent

active

052449750

ABSTRACT:
An aromatic polysulfone resin composition improved in dispersibility of fluorocarbon polymer comprising 0.3 to 50 parts by weight of a low molecular weight fluorocarbon polymer fluorinated up to its molecular end, having a flow temperature of 350.degree. C. or lower as measured by the following method, and 100 parts by weight of an aromatic polysulfone resin:
Flow temperature: A temperature at which melt viscosity reaches 48,000 poises when a molten sample is extruded from a nozzle (1 mm in inner diameter and 10 mm in length) of a capillary rheometer under a load of 100 kg/cm.sup.2 at a temperature elevation speed of 4.degree. C./minute.

REFERENCES:
patent: Re31448 (1983-11-01), Attwood et al.
patent: 3981945 (1976-09-01), Attwood et al.
patent: 4477630 (1984-10-01), Saito et al.
patent: 4897439 (1990-01-01), Rau et al.

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