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WO/2012/086688A1 |
A method for producing an electrostatic latent image developing toner, which comprises a step (1) for obtaining agglomerated particles by mixing and agglomerating resin particles (A), mold release agent particles and a flocculant that is...
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WO/2012/077503A1 |
A method for forming fixed images including the step of applying a toner for electrostatic image development containing at least a resin binder, a colorant, and a releasing agent to an apparatus for forming fixed images without a filter ...
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WO/2012/074034A1 |
A toner having toner particles, each of which contains a binder resin, a wax and inorganic fine particles, wherein the inorganic fine particles are fixed at the surface of the toner particles as a result of a surface treatment by hot air...
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WO/2012/073911A1 |
The present invention provides a toner excellent in low-temperature fixability and also excellent in heat-resistant storage property, offset resistance, and durability. In a process for producing a toner containing toner particles by emu...
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WO/2012/073756A1 |
The present invention provides a positive electrostatic charge control agent which contains, as active ingredients, one or more rhodanine compounds that are represented by general formula (1). (In the formula, R1 represents a hydrogen at...
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WO/2012/074035A1 |
Provided is a two-component developer having excellent developing performance and little change in image concentration, and achieving long-term suppression of image defects such as transfer failure and fogging. Provided is a two-componen...
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WO/2012/070388A1 |
To provide a toner, which contains: a binder resin; a colorant; and wax, wherein the toner has Ta of 30°C to 55°C, and Tb-Ta of 8°C to 25°C, where Ta is a glass transition temperature of the toner determined from a constant heating c...
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WO/2012/070240A1 |
Provided is an α-olefin polymer that satisfies the belowmentioned (1)-(4): (1) the average number of carbon atoms in the α-olefin that configures the polymer is 6.0-14 inclusive; (2) molecular weight distribution (Mw/Mn) ≤ 2.0; (3) 3...
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WO/2012/070389A1 |
A toner including a binder resin and a colorant, the toner having a core-shell structure containing a core and a shell, wherein the binder resin contains a crystalline polyester resin and a non-crystalline polyester resin, wherein a rati...
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WO/2012/068192A1 |
A silicate-free alkaline aqueous developer composition has a pH of at least 12 and comprises a metal cation M2+ selected from barium, calcium, strontium, and zinc cations, and a chelating agent that has a complex formation constant (log ...
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WO/2012/063960A1 |
Electrostatic image developing toner particles including: a crystalline polyester resin; a non-crystalline polyester resin; a releasing agent; and a colorant, wherein the electrostatic image developing toner particles have a glass transi...
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WO/2012/063157A1 |
The present invention relates to a composition of a decorative ink used on sheets and/or reels of cellulose and/or plastic in the field of the graphic arts. The present invention also relates to a process for obtaining said composition, ...
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WO/2012/056910A1 |
To provide a toner, which contains: base particles each having a core-shell structure, where a core of the base particle contains crystalline polyester, non-crystalline polyester, a colorant, and a releasing agent, and a shell of the bas...
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WO/2012/057233A1 |
A binder resin for toners, which comprises an amorphous polyester having a furan ring; and a toner for electrophotographic purposes, which contains the binder resin. This binder resin for toners can be used suitably in a toner which can ...
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WO/2012/053653A1 |
A toner contains a binder resin, a colorant, and a releasing agent, wherein the toner contains toner particles, and wherein a proportion of the toner particles containing one or more voids having diameters D1 of larger than 0.0μm but 0....
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WO/2012/049900A1 |
A carrier core material for electrophotography developers has as a principal component a core composition represented by the general formula (MnxMgyCaz) FeWO4+V (x+y+z+w=3, -0.003
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WO/2011/143255A3 |
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/2012/050231A1 |
A toner including base particles each containing a crystalline polyester and a non-crystalline polyester, wherein the toner has a glass transition temperature of 45°C or higher where the glass transition temperature is determined from a...
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WO/2012/046353A1 |
The present invention provides a pigment dispersion having high productivity and excellent pigment dispersion stability even in the case of a fine pigment or a high pigment concentration, a method for producing the pigment dispersion, a ...
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WO/2012/047195A1 |
The present disclosure is drawn to LEP toners, systems, and methods of manufacturing LEP liquid toners. Specifically, a high NVS liquid toner can comprise a ground up admixture of a hydrocarbon carrier fluid, pigment particles, and a pol...
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WO/2012/046747A1 |
To provide a toner having a superior developing performance while preventing any fixing assembly from being contaminated, the toner has toner particles which have toner base particles containing at least a binder resin, a colorant and a ...
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WO/2012/046445A1 |
Provided is a toner binder having excellent charging characteristics and blocking resistance, and an increased range of fixing temperatures when used as a toner. The present invention is a toner binder containing a polyester resin (P) co...
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WO/2012/046811A1 |
Provided is a toner binder which combines excellent low-temperature fixing properties and excellent hot-offset resistance (namely which permits a wide fixing-temperature range) and which exhibits excellent storage stability. The toner bi...
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WO/2012/046584A1 |
To provide a toner, containing: a binder resin; a colorant; a releasing agent; and a crystalline polyester resin, wherein the toner satisfies the following formulae (1) to (3): 40°C ≤ X≤ 55°C Formula (1) 85°C ≤ Y ≤ 92°C Formu...
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WO/2012/046827A1 |
The invention provides a toner that is capable of low- temperature fixing even in high-speed electrophotographic processes while keeping the cleaning performance when used at high te.mperatures and the high-temperature storage stability....
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WO/2012/043531A1 |
The present invention provides: a toner for electrophotography, which is characterized in that the toner contains a binder resin, a poly(3-hydroxybutylate-co-3-hydroxyhexanoate) (hereinafter referred to as PHBH) and a coloring agent and ...
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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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