Method of producing resin powder

Details Method of producing resin powder Method of producing resin powder

1977-10-13

1980-06-03

Arnold, Donald J.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By impinging plural liquid masses

264101, B01J 206

Patent

active

042061610

ABSTRACT:
A method of producing resin powder in which a resin solution prepared by dissolving a resin in a water-miscible solvent is sprayed from a nozzle while spraying water from another nozzle located close to the first-said nozzle so as to form fine emulsified droplets of said resin solution in water, then at least a substantial portion of the water-miscible solvent in said emulsified droplets is rapidly transferred into water to produce a suspension of resin powder. The suspension is then filtered. Apparatus for practicing this method is also provided.

REFERENCES:
patent: 3737401 (1973-06-01), Tsou et al.
patent: 3891730 (1975-06-01), Wessel et al.
patent: 3961007 (1976-06-01), Caputi et al.
patent: 4013744 (1977-03-01), Kuerten et al.
patent: 4087498 (1978-05-01), Young

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