Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1989-10-31
1991-07-30
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430115, 430137, G03G 1310
Patent
active
050359720
ABSTRACT:
Negative-working electrostatic liquid developer consisting essentially of
(A) nopolar liquid having Kauri-butanol value less than 30, present in major amount,
(B) thermoplastic resin particles having an average particle size by area of less than 10 .mu.m, and
(C) an AB diblock copolymer charge director compound as defined. Optionally a colorant and charge adjuvant are present. The process of making the electrostatic liquid developer is described. The electrostatic liquid developer is useful in copying, making proofs including digital color proofs, lithographic printing plates, and resists.
REFERENCES:
patent: 4606989 (1986-08-01), Uytterhoeven et al.
patent: 4639403 (1987-01-01), Podszun et al.
patent: 4663265 (1987-05-01), Uytterhoeven et al.
patent: 4917985 (1990-04-01), El-Sayed et al.
El-Sayed Lyla M.
Page Loretta Ann G.
E. I. Du Pont de Nemours and Company
Goodrow John
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