Process for producing thermoplastic molding compositions from po

Details Process for producing thermoplastic molding compositions from po Process for producing thermoplastic molding compositions from po

1987-12-16

1990-02-27

Ivy, C. Warren

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

Synthetic resins

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

525148, 524508, C08L 2510, C08L 6900

Patent

active

049047337

ABSTRACT:
The invention relates to a process for the production of molding compositions from a thermoplastic polycondensation resin susceptible to degradation at high temperature in the presence of H.sub.2 O, to which is admixed a second synthetic resin, present as an aqueous latex, at temperatures in the range of 150.degree.-300.degree. C. and under a pressure in the range of 1-100 bar under the effect of high shear forces, for a time sufficient to provide the desired molding composition without substantially degrading the polycondensation resin.

REFERENCES:
patent: 4086300 (1978-04-01), Owens et al.
patent: 4338409 (1982-07-01), Grigo
patent: 4694042 (1987-09-01), McKee

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