Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1995-03-27
1996-12-31
Rodee, Christopher D.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430137, G03G 913
Patent
active
055893120
ABSTRACT:
A liquid developer for electrostatic photography comprising resin grains dispersed in a non-aqueous solvent having a volume specific resistivity of at least 10.sup.9 .OMEGA.cm, wherein the resin grains are obtained by polymerizing (a) at least one monomer selected from benzyl methacrylate, benzyl acrylate, styrene and a styrene derivative, and (b) at least one monomer selected from acrylic acid esters and methacrylic acid esters having an alkyl group having not more than 3 carbon atoms which are soluble in the non-aqueous solvent but become insoluble therein by being polymerized, in the presence of a dispersion stabilizing resin which mainly comprises a graft copolymer composed of at least one macromonomer (M) containing a polymer component represented by the general formula (Ia) or (Ib) defined herein.
The liquid developer is excellent in dispersion stability, and toner images having resist with high resistivity to etching solutions can be formed in electrostatic photography.
REFERENCES:
patent: 5085966 (1992-02-01), Suzuki et al.
patent: 5106716 (1992-04-01), Kato et al.
patent: 5112718 (1992-05-01), Kato et al.
patent: 5344694 (1994-09-01), Horie et al.
Horie Seiji
Sano Kenji
Suzuki Nobuo
Watarai Shu
Fuji Photo Film Co. , Ltd.
Rodee Christopher D.
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