Preparation of encapsulated electrostatographic toner material

Details Preparation of encapsulated electrostatographic toner material Preparation of encapsulated electrostatographic toner material

1982-11-24

1984-06-19

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

430110, 427212, 427218, 427219, 427221, 427222, G03G 908

Patent

active

044553625

ABSTRACT:
In a process for the preparation of an electrostatographic toner material comprising encapsulating a core material containing colorant with a shell material in an aqueous medium to prepare encapsulted toner particles and drying the so prepared encapsulted toner particles, the improvement which comprises washing the encapsulated toner particles with an aqueous solution of a surface active agent in advance of subjecting them to the drying procedure.

REFERENCES:
patent: 4139483 (1979-02-01), Williams et al.
Khanna, "Surfactant-Free Emulsion Polymerization Process", Res. Discl. Jul. 1977, p. 56.

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