Coloring fine particles and toner for developing electrostatic i

Details Coloring fine particles and toner for developing electrostatic i Coloring fine particles and toner for developing electrostatic i

1991-07-30

1993-03-16

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With solidifying, consolidating or shaping

241 23, 2411014, B01J 1300

Patent

active

051937514

ABSTRACT:
Coloring fine particles produced by heating spheroidal coloring fine particles with an average fine particle diameter of 1-100 .mu.m obtained by suspension polymerization to a temperature of 30.degree. to 200.degree. C., thereby causing the particles to fuse together in a block without completely destroying the particle interfaces, and then crushing the block to substantially the same average particle diameter of the spheroidal coloring particles before melting, and a toner for developing electrostatic images using the same.

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Patent Abstracts of Japan, vol. 9, No. 141, corresponding to Japanese Patent Pub. 60-21055, Jun. 15, 1989.

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