Method for producing polycarbonate powder from a polycarbonate s

Details Method for producing polycarbonate powder from a polycarbonate s Method for producing polycarbonate powder from a polycarbonate s

1977-04-27

1978-02-21

White, Robert F.

Solid material comminution or disintegration

Processes

With heating or cooling of material

264 5, 264 9, B02C 1310

Patent

active

040748642

ABSTRACT:
A method of producing polycarbonate powder comprises continuously mixing and kneading a polycarbonate solution while heating same, the kneading being accomplished by producing a limited "to and fro" movement of the polycarbonate solution with the aid of a set of spiral blades mounted on rotating shafts in an elongated barrel.

REFERENCES:
patent: 2677504 (1954-05-01), Klingel
patent: 3917507 (1975-11-01), Skidmore
patent: 4025058 (1977-05-01), Mizuguchi

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