Polymeric powders having a predetermined and controlled size and

Details Polymeric powders having a predetermined and controlled size and Polymeric powders having a predetermined and controlled size and

1988-03-21

1989-05-23

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Process of making developer composition

523333, 523339, 430110, G03G 908

Patent

active

048330604

ABSTRACT:
Toner and/or carrier particles are prepared by dissolving a polymer in a solvent which is immiscible with water forming a suspension of small droplets of the polymer and solvent in water containing a promoter and silica particles, removing the solvent from the droplets and separating the solidified particles from the water.

REFERENCES:
patent: 2932629 (1960-04-01), Wiley
patent: 2934530 (1960-04-01), Ballast et al.
patent: 3586654 (1971-06-01), Lerman et al.
patent: 3615972 (1971-10-01), Morehouse et al.
patent: 3847886 (1974-11-01), Blunt
patent: 4254207 (1981-03-01), Landoll et al.
patent: 4314932 (1982-02-01), Wakimoto et al.
patent: 4702989 (1987-11-01), Sugiyama et al.

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