Patent
Acrylonitrile-modified toner compositions and processes
Beng S. Ong,Grazyna E. Kmiecik-Lawrynowicz,Raj D. Patel,Walter Mychajlowskij,David J. Sanders,Hwee T Ng +5 more
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TLDR
A toner comprised of pigment, and an addition polymer resin generated from about 55 to 80 weight percent of styrene, from about 1 to about 25 weight amount of acrylate, and from about 0.5 to about 5 weight percentage of acrylic acid.Abstract:
A toner comprised of pigment, and an addition polymer resin generated from about 55 to about 80 weight percent of styrene, from about 1 to about 25 weight percent of acrylate, from about 1 to about 20 weight percent of acrylonitrile, and from about 0.5 to about 5 weight percent of acrylic acid.read more
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Toner compositions and processes
TL;DR: In this paper, environmentally friendly toner particles are provided which may, in embodiments, include a biodegradable semi-crystalline polyester resin and an amorphous polyester resins.
Patent
Toner coagulant processes
TL;DR: A toner process including mixing a latex with a colorant, where the latex contains resin and an ionic surfactant, and the colorant contains a polyaluminum chloride, is described in this paper.
Patent
Toner compositions with acrylonitrile and processes
TL;DR: A toner composition comprised of colorant, and an addition polymer resin of styrene, butadiene, acrylonitrile and acrylic acid was used in this paper.
Patent
Emulsion aggregation polyester toners
TL;DR: An emulsion aggregation toner including an amorphous resin and a crystalline resin, wherein the toner has an acid value of from about 16 mg/ eq. KOH to about 40 mg/eq.KOH and a relative humidity sensitivity ratio from about 1 to about 2, and wherein the crystalline resin has a melting point of at least about 60°C as discussed by the authors.
Patent
Toners and processes thereof
TL;DR: In this paper, a polymer, an optional colorant, and an UV light curable oligomer are used to produce a UV curable toner composition, and the toner compositions produced thereby are used in various painting applications.
References
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Microsuspension processes for toner compositions
TL;DR: In this paper, a process for the preparation of toner compositions which comprises dissolving a polymer, and optionally a pigment in an organic solvent; dispersing the resulting solution in an aqueous media containing a surfactant, or mixture of surfactants; stirring the mixture with optional heating to remove the organic solvent, thereby obtaining suspended particles of about 0.05 micron to about 2 microns in volume diameter.
Patent
Toner aggregation and coalescence processes
TL;DR: In this article, a process for the preparation of toner compositions with controlled particle size comprising: (i) preparing a pigment dispersion in water, which dispersion is comprised of a pigment, an ionic surfactant in amounts of from about 0.5 to about 10 percent by weight of water, and an optional charge control agent; (ii) shearing the resulting sheared viscous mixture of at from about 300 to about 1,000 revolutions per minute to form electrostatically bound substantially stable toner size aggregates with a narrow particle size distribution.
Patent
Toner for developing electrostatically charged image.
TL;DR: In this paper, a toner composed of associated particles of secondary particles comprising primary particles of a polymer having an acidic or basic polar group and particles of the coloring agent and optionally a charge controlling agent and a process for producing the toner is described.
Patent
Process for producing toner for electrophotography
Tan Ryoji,Shigeyoshi Tanaka,Ken-Ichi Kisi,Yasuyuki Iguchi,Takeo Kudo,Takashi Amano,Hideki Kohno +6 more
TL;DR: A toner for electrophotography produced by polymerizing a monomer dispersed by emulsification in the presence of a colorant and/or a magnetic powder, followed by coagulation is excellent in properties, particularly in cleaning properties, charge stability and caking resistance as mentioned in this paper.
Patent
Toner for developing electrostatic image and process for production thereof
TL;DR: In this article, a toner for developing an electrostatic latent image is constituted by a binder resin, a colorant, and an ester compound (a, b) or (c) shown below: (a) a poly-functional ester having a tertiary carbon or/and a quaternary carbon and obtained from an alcohol compound or carboxylic compound having at least two functional groups, (b) a mono-functional ensembles of a specific structure having a primary or secondary carbon.