Apparatus for heat-and-pressure fixation of toner images

Details Apparatus for heat-and-pressure fixation of toner images Apparatus for heat-and-pressure fixation of toner images

1989-01-23

1990-03-20

Goodrow, John L.

Radiation imagery chemistry: process, composition, or product th

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

Electrophoretic imaging, process, composition, or product

422 4, 2041802, G03G 1522

Patent

active

049101080

ABSTRACT:
In a process of image production by the steps of developing an electrostatic charge pattern with toner particles comprised of coloring matter in a thermoplastic resin binder and dispersed in a carrier liquid and fixing the pattern-wise deposited toner particles while still damp with said carrier liquid on a support by simultaneously subjecting the same to heat and pressure, the toner particles have at 120.degree. C. a melt viscosity when dry of from 500 to 100,000 Pa.s, a mean average diameter of from 0.1 to 5 .mu.m, and a ratio of coloring matter to resin binder of from 1/1 to 1/9 by weight.

REFERENCES:
patent: 4115234 (1978-09-01), Anselrode
patent: 4415533 (1983-11-01), Kurotori et al.

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