Method for the production of toner for electrophotography and th

Details Method for the production of toner for electrophotography and th Method for the production of toner for electrophotography and th

1983-12-06

1985-03-26

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

430109, 430110, 430903, 526221, 526226, 526233, G03G 908, G03G 914

Patent

active

045073783

ABSTRACT:
The invention relates to a method for producing a toner by polymerizing an aqueous suspension of a monomer in the presence of a dispersant selected from orthophosphate, pyrophosphate and polyphosphate, a colorant and an anionic surfactant. The polymerization product is then treated with dilute acid and rinsed with water whereby the dispersant is removed from the polymerization product.

REFERENCES:
patent: 2427847 (1947-09-01), Fryling
patent: 2673194 (1954-03-01), Grim
patent: 2687408 (1954-08-01), Grim
patent: 3328374 (1967-06-01), Ronden et al.
patent: 3634251 (1972-01-01), Maeda et al.
patent: 4287281 (1981-09-01), Bayley
Schaffert, "Electrography", Focal Press, 1965, pp. 69-73.

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