Composition and electrophotographic use of microcapsular photoac

Details Composition and electrophotographic use of microcapsular photoac Composition and electrophotographic use of microcapsular photoac

1989-09-25

1991-05-14

Welsh, David

Radiation imagery chemistry: process, composition, or product th

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

To produce color reproduction

430111, 430138, 42840221, 42840222, 503215, G03G 912

Patent

active

050155490

ABSTRACT:
A positive or negative latent image can be developed with negatively or positively charged toner particles, respectively, that are microcapsular. The shell material of the toner particles is a melamine-formaldehyde resin or a starch-based material. The core is a liquid solution comprising at least a liquid, ethylenically unsaturated monomer, a leuco dye and a photoinitiator.

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Chemical Week, "Mead Brings Color to Business", Dec. 13, 1987, pp. 32-33.
Chemical and Engineering News, "New Color Technology Uses Microcapsules", Jan. 11, 1988, p. 23.

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