Process for the production of polycarbonate powder

Details Process for the production of polycarbonate powder Process for the production of polycarbonate powder

1994-05-03

1995-12-12

Seidleck, James J.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528190, 528196, 528500, 34368, 34371, C08F 600

Patent

active

054750849

ABSTRACT:
A process for the production of a polycarbonate powder comprising introducing an organic solvent solution of polycarbonate and steam into a mixing nozzle and obtaining the polycarbonate powder from a mixture ejected from the mixing nozzle, wherein the organic solvent solution contains 3 to 45% by weight of the polycarbonate, and the ratio of the weight of steam/the weight of an organic solvent in the organic solvent solution is 1/10 to 1/5.

REFERENCES:
patent: 3508339 (1970-04-01), Neblett
patent: 4074864 (1978-02-01), Narita et al.
patent: 4206161 (1980-06-01), Sato et al.
patent: 4209912 (1980-07-01), Barker
patent: 4212967 (1980-07-01), Govoni et al.
patent: 4546172 (1985-10-01), Kohyama et al.

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