Method for the preparation of a polycarbonate powder

Details Method for the preparation of a polycarbonate powder Method for the preparation of a polycarbonate powder

1989-03-23

1990-07-10

Anderson, Harold D.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528493, 528494, C08G 1713

Patent

active

049407791

ABSTRACT:
A solution of a polycarbonate resin in a good solvent of the resin is introduced concurrently but separately or as mixed with a poor solvent of the resin into a blending machine of self-cleaning type and heated and devolatilized therein so that a fine powder of the resin having a uniform particle size distribution and large bulk density can be easily obtained.

REFERENCES:
patent: 3213060 (1965-10-01), Jackson et al.
patent: 3264263 (1966-08-01), Baker
patent: 3264264 (1966-08-01), Baker
patent: 3668181 (1972-02-01), Oxenrider

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