Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making developer composition
Patent
1998-06-12
2000-12-05
Dote, Janis L.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Process of making developer composition
430109, 430110, G03G 9087
Patent
active
061564737
ABSTRACT:
A nonconductive toner composition comprising monodisperse spherical particles includes a binder polymer, a charge control agent, and an aliphatic acid or aliphatic amide uniformly distributed in the particles and present in an amount of 2.5 to 30% by weight of the toner composition. A method of forming a toner particle composition comprises the steps of: milling an aliphatic amide or an aliphatic acid in the presence of a binder polymer and a water-immiscible organic binder solvent to form a concentrate wherein the particle size of the aliphatic amide or aliphatic acid is less than one micrometer; dissolving a binder polymer and a charge control agent in a water-immiscible organic binder solvent to form a binder solution; mixing the aliphatic amide or aliphatic acid concentrate with the binder solution to form an aliphatic amide- or aliphatic acid-binder polymer dispersion; dispersing the aliphatic amide- or aliphatic acid-binder polymer dispersion in water containing a colloidal stabilizer to form an aqueous suspension of droplets; subjecting the droplets to shearing action to reduce droplet size and form limited coalescence particles; removing the water-immiscible organic binder solvent from the limited coalescence particles to form toner particles in an aqueous medium; and drying the toner particles.
REFERENCES:
patent: 3951835 (1976-04-01), Tomono et al.
patent: 3969251 (1976-07-01), Jones et al.
patent: 4100087 (1978-07-01), Takayama et al.
patent: 4367275 (1983-01-01), Aoki et al.
patent: 4473628 (1984-09-01), Kasuya et al.
patent: 4643960 (1987-02-01), Quan
patent: 4745418 (1988-05-01), Brennan et al.
patent: 4833060 (1989-05-01), Nair et al.
patent: 4835084 (1989-05-01), Nair et al.
patent: 4877704 (1989-10-01), Takagiwa et al.
patent: 4965131 (1990-10-01), Nair et al.
patent: 5002847 (1991-03-01), Utsumi et al.
patent: 5049469 (1991-09-01), Pierce et al.
patent: 5133992 (1992-07-01), Nair et al.
patent: 5247034 (1993-09-01), Mate et al.
patent: 5283149 (1994-02-01), Tyagi et al.
patent: 5482812 (1996-01-01), Hopper et al.
patent: 5494768 (1996-02-01), Boswell et al.
patent: 5935751 (1999-08-01), Matsuoka et al.
Derwent Abstract WPI Acc. No. 88-107908/16 of JP 63055563, Mar. 10, 1988.
Derwent Abstract WPI Acc. No. 87-075955/11 of JP 62028770, Feb. 6, 1987.
Derwent Abstract WPI Acc. No. 84-259816/42 of JP 59157655, Sep. 7, 1984.
Derwent Abstract WPI Acc. No. 84-267267/43 of JP 59164560, Sep. 17, 1984.
Derwent Abstract WPI Acc. No. 92-272229/33 of JP 4184348, Jul. 1, 1992.
Derwent Abstract WPI Acc. No. 91-202730/28 of JP 3126044, May 29, 1991.
Derwent Abstract WPI Acc. No. 88-326715/46 of JP 63240559, Oct. 6, 1988.
Derwent Abstract WPI Acc. No. 88-109081/16 of JP 63058354, Mar. 14, 1988.
Derwent Abstract WPI Acc. No. 85-090192/15 of JP 60039655, Mar. 1, 1985.
Proctor Leo G.
Santilli Domenic
Tyagi Dinesh
Tyminski David E.
Dote Janis L.
Eastman Kodak Company
Wells Doreen M.
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