Method for preparing synthetic powders based on polyvinyl chlori

Details Method for preparing synthetic powders based on polyvinyl chlori Method for preparing synthetic powders based on polyvinyl chlori

1974-09-11

1976-11-23

Henderson, Jr., Christopher A.

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

Synthetic resins

Treating polymer containing material or treating a solid...

159 4B, 526344, C08F 4700, C08F 330

Patent

active

039938573

ABSTRACT:
The method for preparing synthetic powders based upon polyvinyl chloride or vinyl chloride copolymers by spray drying the polymer dispersions is improved by using single material nozzles with atomizing pressures of about 550 to 1000 bars where a bar is a C.G.S. unit of pressure equal to 750 mm of Hg.

REFERENCES:
patent: 2187877 (1940-01-01), Ferris
patent: 3208965 (1965-09-01), Kuhne
patent: 3803111 (1974-04-01), Munro
patent: 3805869 (1974-04-01), Winter

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