Electrostatographic enscapsulated toner material improved in cha

Details Electrostatographic enscapsulated toner material improved in cha Electrostatographic enscapsulated toner material improved in cha

1982-09-30

1984-08-14

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430 98, 430110, G03G 916

Patent

active

044657560

ABSTRACT:
An electrostatographic toner material suitably employable for the pressure fixing process, which comprises encapsulated toner particles having an average particle size in the range from about 0.5 to 1,000 microns, in which the toner particle comprises a pressure fixable adhesive core material containing a colorant and a pressure rupturable shell enclosing the core material, the outer surface of the shell being provided with a surface active agent having the following hydrophobic group: ##STR1## in which R.sup.1 and R.sup.2 are the same or different, and each is an aliphatic hydrocarbon group of 2-20 carbon atoms or an aromatic hydrocarbon group of 6-20 carbon atoms.

REFERENCES:
patent: 3431412 (1969-03-01), Okubo
patent: 4259428 (1981-03-01), Tsuneda
Sisley Encyclopedia of Surface Active Agents, Chemical Pub. Co., 1952, p. 66.

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