Method of preparing composite particles comprising adhering wax

Details Method of preparing composite particles comprising adhering wax Method of preparing composite particles comprising adhering wax

1993-02-11

1994-11-29

Rosasco, Steve

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

430109, 430110, G03G 500

Patent

active

053689720

ABSTRACT:
A method of preparing composite particles is disclosed, which comprises the steps of dispersing matrix organic resin particles having a polar group on a surface thereof in a hydrophilic organic liquid, water or mixture thereof to prepare a dispersion of the matrix organic resin particles; dispersing a wax in a hydrophilic organic liquid, water or mixture thereof by use of a nonionic surface active agent to prepare an emulsion of the wax; mixing the dispersion of the matrix organic resin particles and the emulsion of the wax in the presence of a surface active agent with a polarity opposite to that of the polar group on the matrix organic resin particles to obtain a dispersion in which finely-divided particles of the wax are caused to adhere to the surface of the matrix particles; and heating the dispersion to fix the finely-divided particles of the wax on the surface of the matrix organic resin particles.

REFERENCES:
patent: 5206109 (1993-04-01), Anno

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