Pressure fixable microcapsule toner and electrostatic image deve

Details Pressure fixable microcapsule toner and electrostatic image deve Pressure fixable microcapsule toner and electrostatic image deve

1979-03-06

1981-03-31

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430111, 430904, 430107, 430138, 428403, 252316, 430903, G03G 1320

Patent

active

042594260

ABSTRACT:
A pressure fixable capsule toner encapsulated with an insulating material is featured by a main particle size located within a range from 5 to 25.mu., by a particle size distribution that at least 70% in number of the toner particles are within a size range of .+-.3.mu. of the main particle size, and by a relationship 0.02.ltoreq.(a-b)/b.ltoreq.0.4 wherein a and b respectively stand for the main particle size of the capsule toner and core material in microns.

REFERENCES:
patent: 2953470 (1960-09-01), Green et al.
patent: 3639245 (1972-02-01), Nelson
patent: 3674736 (1972-07-01), Lerman et al.
patent: 3910846 (1975-10-01), Azar et al.
patent: 3938992 (1976-02-01), Jadwin et al.
patent: 4122024 (1978-10-01), Jones et al.
Orr, Jr. et al., Fine Particle Measurement, McMillian, (1965), pp. 3-4.

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