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WO/2012/043852A1 |
To provide a toner containing: a binder resin containing a non-crystalline polyester resin and a crystalline polyester resin; a colorant; and wax, wherein the toner satisfies the following formula 1, and has loss tangent of 1 or smaller ...
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WO/2012/035876A1 |
The present invention provides a toner for electrophotography capable of achieving high color reproducibility in a wide brightness region ranging from high to low brightness. This toner for electrophotography containing a compound repres...
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WO/2012/036171A1 |
Provided is a charge control agent for electrophotographs that frictionally electrifies a toner sufficiently, and particularly, a charge control agent that is useful for color toners and for polymerized toners, that increases the rise ra...
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WO/2012/035996A1 |
[Problem] To provide a charge control agent without containing heavy metal components, not only without harming the environment but also being colorless or light color, capable of applying to a color toner, further, being hardly affected...
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WO/2012/034666A1 |
The invention relates to polymer particles, comprising a polymer matrix having a coating of an inorganic semimetal oxide or metal oxide, wherein the polymer matrix comprises at least one first functional group A and at least one second f...
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WO/2012/035990A1 |
The present invention provides a charge control agent containing one or more thiazolidinedione derivative, represented by general formula (1) below, as an active constituent. [In the formula: R1 represents a hydrogen atom etc.; R2 repres...
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WO/2012/036311A1 |
An object of the present invention is to improve resistance to wraparound during fixing while achieving both low-temperature fixability and resistance to hot offset. A further object is to suppress image density variations and fogging in...
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WO/2012/036255A1 |
A toner with good low-temperature fixability even in light-pressure type fixing units, which causes no contamination of fixing films and provides images having stable image densities and excellent image quality after long-term use. The t...
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WO/2012/032847A1 |
This liquid developer contains toner particles which each comprise both a resin and a pigment, wherein the resin contains a vinyl copolymer resin that comprises, as constituent monomers, a first monomer consisting of at least one monomer...
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WO/2012/032717A1 |
A dye compound which improves the dispersibility of an azo pigment in a non-aqueous solvent is provided. The dye compound is represented by general formula (1). R1 represents a C1-6 alkyl group or a phenyl group. R2 to R6 represent a hyd...
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WO/2012/033220A1 |
The present invention provides a toner that gives satisfactory fixing image quality in both high-speed fixing process and low-speed fixing process and shows excellent image quality for a long time by inhibiting inside contamination even ...
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WO/2012/033221A1 |
The present invention provides a toner showing an excellent fixing property even in high-speed image formation and inhibiting contamination of the inside of an apparatus and thereby being capable of stably forming high-quality images not...
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WO/2012/029611A1 |
A toner including a binder resin containing an ester bond, and a releasing agent, wherein the releasing agent includes first C30-C50 alkyl monoester compound and second C30-C50 alkyl monoester compound, wherein the number of carbon atoms...
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WO/2012/028005A1 |
The present invention provides a toner and a method of preparing the same. Wherein the toner has a honeycomb core-shell structure and has at least two core layers. Each core layer is fully covered with a shell layer.
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WO/2012/026607A1 |
There is provided an azo compound for improvement in the dispersibility of an azo pigment into a water-insoluble solvent. The azo compound is represented by the following general formula (1): Wherein R1 represents alkyl, or phenyl; R2 to...
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WO/2012/024985A1 |
An environmentally-friendly developer and a manufacturing method therefor. The environmentally-friendly developer comprises a petroleum-based resin, a bio-resin, a colorant, and a release agent. Particles of the release agent are uniform...
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WO/2012/026504A1 |
Provided is a pigment dispersant for improving the dispersibility of an azo pigment for a water-insoluble solvent. More specifically, provided is a polyester, including at least one unit represented by one of the following formula (1) an...
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WO/2012/026378A1 |
A novel compound that can improve the dispersibility of an azo pigment in a non-water-soluble solvent is provided, which is represented by the following formula (1).
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WO/2011/145107A4 |
Method for producing structured particles specifically nanoparticles, toners for laser printers and photocopiers, particularly chemical toner with particular product properties. The method produces toners of improved performance. Method ...
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WO/2011/126552A3 |
Hydrophobic silica particles are produced by reacting them with a hydrosiloxane agent.
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WO/2012/017832A1 |
Polyglycolic acid particles comprising polyglycolic acid with (a) 70 mole% or more of glycolic acid units, (b) Mw of thirty thousand to eight hundred thousand, (c) Mw/Mn of 1.5 to 4.0, (d) melting point of 197°C to 245°C, and (e) melt ...
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WO/2012/017635A1 |
A toner binder resin contains a vinyl resin (A), an amorphous polyester resin (SN), and a crystalline saturated polyester resin (SC). The content of the vinyl resin (A) is 65 mass % to 95 mass % with respect to the total value of 100 mas...
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WO/2012/015786A1 |
A method for forming surface decorated particles including stabilizing dispersed hydrophobic phase particles in an aqueous phase with fine inorganic particles having a relatively hydrophilic surface; and treating the stabilized dispersed...
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WO/2012/015891A1 |
A surface decorated particle including a core particle phase having an outer surface; and fine inorganic particles on the outer surface of the core particle phase; wherein the fine inorganic particles have hydrophobic groups covalently b...
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WO/2012/011546A1 |
In the measurement of an endothermic amount of a toner, (1) an endothermic peak temperature (Tp) derived from the binder resin is 50°C or higher and 80°C or lower; (2) a total endothermic amount (ΔH) derived from the binder resin is 3...
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WO/2011/102696A3 |
The present invention relates to a polymerized toner and a method for preparing the same, in which the polymerized toner has superior offset characteristics, improves transfer efficiency, and forms uniform images, and therefore can give ...
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WO/2011/102635A3 |
Disclosed is a preparation method for a toner. Problems according to use of a surfactant can be solved and it is possible to prepare toner particles having a uniform distribution of particle size by using an alkali-soluble resin containi...
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WO/2011/145107A3 |
Method for producing structured particles specifically nanoparticles, toners for laser printers and photocopiers, particularly chemical toner with particular product properties. The method produces toners of improved performance. Method ...
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WO/2011/105793A3 |
The present invention relates to a polymer toner and to a method for manufacturing same, wherein the toner comprises a low molecular weight polymer composition having a weight average molecular weight of 3,000 to 30,000. When the polymer...
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WO/2011/096737A3 |
Disclosed is a method for producing toner. The method for producing toner by emulsion aggregation according to the present invention, comprises adjusting viscosity at a homogenization stage, to thereby obtain toner particles having a den...
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WO/2012/002278A1 |
Provided is a toner for electrostatic image development, which has excellent fluidity and inhibits reduction in the amount of toner charge and generation of fogging in high-temperature, high-humidity environments. The toner for electrost...
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WO/2011/096736A3 |
Disclosed is a method for producing toner. The method for producing toner according to the present invention involves adjusting the density of a surfactant, the density of a coagulant, and the density of a hydrogen ion in a reaction liqu...
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WO/2011/096733A3 |
Disclosed is a method for producing toner. The method for producing toner according to the present invention comprises adjusting the density of a dispersion stabilizer, the density of a coagulant, and the density of a hydrogen ion in a r...
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WO/2011/096730A3 |
Provided is a toner having excellent blocking resistance and flowability. The toner comprises a binder resin, a releasing agent, a colorant and an external additive, wherein the toner particles satisfy expression (1): 2.0≤RD/TD≤2.5 (...
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WO/2011/158611A1 |
The disclosed liquid developer is characterized by: containing toner particles, an insulating liquid, and a dispersing agent; said toner particles containing at least resin and a pigment dispersed within said resin; said resin being a po...
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WO/2011/158589A1 |
Disclosed is a carrier core material for an electrophotographic developer, which has a core composition represented by the following general formula: Fe3O4 as a main component and contains Na in an amount of 30-400 ppm (inclusive). The c...
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WO/2011/152434A1 |
A magnetic toner which has superior charging stability and charging uniformity, maintains stable developing performance without any dependence on service environments and may less cause any decrease in image density and any image defects...
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WO/2011/148545A1 |
The present invention is intended to provide a novel alcohol compound such that it is possible to use renewable resources for some of the starting materials, and a polyester resin, unsaturated polyester resin, resin particle and electrop...
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WO/2011/145107A2 |
Method for producing structured particles specifically nanoparticles, toners for laser printers and photocopiers, particularly chemical toner with particular product properties. The method produces toners of improved performance. Method ...
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WO/2011/143255A2 |
Disclosed herein is a dispersion comprising a liquid or semi-solid continuous phase, a dispersed solid phase comprising a plurality of organic, inorganic or inorganic-organic particles, and an alkyl ketal ester having the structure (I) w...
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WO/2011/083969A3 |
Disclosed is a toner for use in an electronic photograph-duplicating process or in an electrostatic printing process, and a polyester resin included in the toner as a binder. The polyester resin comprises lactic acids (D or L-lactic acid...
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WO/2011/142482A1 |
A toner is provided that exhibits a high long-term image stability even during high-speed printing and that also exhibits an excellent environmental stability. The toner comprises a binder resin, a colorant, and a nonionic surfactant, wh...
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WO/2011/074901A3 |
The present invention provides a toner having excellent cleaning and glossing properties. The toner comprises: toner particles with size and distribution which satisfy the conditions of the following equations (1) and (2): (1) 50℃ ≤ ...
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WO/2011/136997A1 |
The present invention relates to a porous toner particle with encapsulated metallic flakes. The porous particle containing metallic flakes can be useful for reproduction of a metallic hue upon fusing to a substrate, preferably golden or ...
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WO/2011/074900A3 |
The present invention provides a high transcription efficiency toner which reduces toner consumption since less toner is used. The toner comprises: toner particles with size and distribution which satisfy the conditions of the following ...
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WO/2011/136811A1 |
A digital printing composition includes a carrier and a colorant. The carrier includes a hydrocarbon having at least one unsaturated bond. The hydrocarbon is configured to at least one of polymerize or crosslink in the presence of a char...
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WO/2011/074899A3 |
Disclosed is a toner manufacturing method. Excellent toner particles are manufactured by using a wax which is encapsulated with a mini emulsion made by polymerization of a styrene - alkyl acrylate resin, which show excellent storage stab...
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WO/2011/083970A3 |
Disclosed are a toner used in an electronic photocopying process or static printing process, and a polyester resin comprised as a binder in the toner. The polyester resin contains lactic acid (D- or L-lactic acid) or a lactide (D- or L-l...
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WO/2011/132318A1 |
Provided is an amorphous polyester resin capable of imparting sufficient levels of the mutually contradictory properties of hot offset resistance and cold offset resistance, which are significant issues in toners for electrostatic image ...
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WO/2011/132319A1 |
Provided is an amorphous polyester resin capable of imparting sufficient levels of the mutually contradictory properties of hot offset resistance and cold offset resistance, which are significant issues in toners for electrostatic image ...
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