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

1985-09-13

1987-11-24

Michl, Paul R.

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

Synthetic resins

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

525184, 525227, C08G 6318

Patent

active

047089865

ABSTRACT:
The invention relates to a process for the production of molding compositions from a thermoplastic polycondensation resin susceptible to degredation 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: 2819246 (1958-01-01), Lindenfelser
patent: 3300426 (1967-01-01), Hunsucker
patent: 3498941 (1970-03-01), Hofton
patent: 3660531 (1972-05-01), Lauchlan
patent: 3742093 (1973-06-01), Skidmore
patent: 3752093 (1973-06-01), Skidmore
patent: 4174358 (1979-11-01), Epstein
patent: 4320213 (1982-03-01), Woodbrey
patent: 4438237 (1984-03-01), Brandstetter
patent: 4554320 (1985-11-01), Reimann

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