Color toner and process for its production

Details Color toner and process for its production Color toner and process for its production

1994-06-23

1995-08-01

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

To produce color reproduction

430 47, 430106, G03G 908

Patent

active

054379490

ABSTRACT:
A color toner for developing an electrostatic image contains a binder resin and a colorant. The color toner has a weight average particle diameter of from 3 .mu.m to 7 .mu.m. The color toner contains from 10% to 70% by number of color toner particles with a particle diameter of 4.00 .mu.m or smaller, not less than 40% by number of color toner particles with a particle diameter of 5.04 .mu.m or smaller, from 2% to 20% by volume of color toner particles with a particle diameter of 8.00 .mu.m or larger, and not more than 6% by volume of color toner particles with a particle diameter of 10.08 .mu.m or larger. The color toner has such a coloring power that an image having been fixed on a transfer medium has an image density (D.sub.0.5) of from 1.0 to 1.8 when an unfixed color toner on the transfer medium is in a quantity (M/S) of 0.50 mg/cm.sup.2.

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Database WPI, Week 9212, Derwent Publications Ltd. AN 92-094173[12] for JPA 4-040467.

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