Process for the preparation of polymer powders by spray drying

Details Process for the preparation of polymer powders by spray drying Process for the preparation of polymer powders by spray drying

1987-11-27

1988-12-27

Schofer, Joseph L.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528486, 528488, 528490, 523340, 428402, C08J 312, C08J 316

Patent

active

047941677

ABSTRACT:
A process for the preparation of polymer powders from polymer dispersions by feeding a polymer dispersion continuously into an atomization apparatus and separately therefrom but at the same time also introducing a liquid agent, the dispersion and the liquid agent being completely mixed within at the most one second and the mixture being immediately thereafter dried with evaporation of the volatile constituents to form a powder composed of particles having an average diameter of from 0.05 to 1 mm, and the polymer powders prepared by this process.

REFERENCES:
patent: 3198773 (1965-08-01), Stoloff
patent: 3503948 (1970-03-01), Walters et al.
patent: 4292424 (1981-09-01), Huddleston, Jr. et al.
patent: 4695621 (1987-09-01), Allada

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