Particle formation by double encapsulation

Details Particle formation by double encapsulation Particle formation by double encapsulation

1979-04-04

1982-02-02

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

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

Electrophoretic imaging, process, composition, or product

430 32, 430901, 106288Q, 106308M, G03G 1704, 204

Patent

active

043140130

ABSTRACT:
An improved photoelectrophorectic imaging process which comprises placing a suspension of double encapsulated electrically photosensitive particles in an electric field between a pair of surfaces, exposing the suspension to a pattern of electrogmagnetic radiation and separating the surfaces whereby the exposed portion of the suspension adheres to one surface and the unexposed portion adheres to the other surface. The imaging particles are comprised of a first resin which encapsulates a colorant for the particle and second resin which encapsulates the first resin and contains the electrically photosensitive material.

REFERENCES:
patent: 2940847 (1960-06-01), Kaprelian
patent: 3383993 (1968-05-01), Yeh
patent: 3384488 (1968-05-01), Tulagin et al.
patent: 3384565 (1968-05-01), Tulagin et al.
patent: 3890240 (1975-06-01), Hochberg
patent: 3954640 (1976-05-01), Lu et al.
patent: 4032339 (1977-06-01), Grushkin et al.

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