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Radiation Imagery Chemistry: Process, Composition, Or Product Thereof > Electric Or Magnetic Imagery, E.g., Xerography, Electrography, Magnetography, Etc., Process, Composition, Or Product > Post Imaging Process, Finishing, Or Perfecting Composition Or Product > Finishing Or Perfecting Composition Or Product > Developing Composition Or Product > Dry Toner Having Chemically Identified Binder > Polyester Backbone Binder (e.g., Condensation Reaction Product, Etc.)

Polyester Backbone Binder (e.g., Condensation Reaction Product, Etc.)

Polyester Backbone Binder (e.g., Condensation Reaction Product, Etc.) patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

04/26/07 - 20070092822 - Method of producing toner for developing electrostatic charge image, toner for developing electrostatic charge image, developer for electrostatic charge image and method for forming image
A method of producing a toner for developing electrostatic charge image, the method comprising: aggregating particles containing a crystalline polyester resin, particles containing a non-crystalline polyester resin and particles of a releasing agent in an aqueous medium, so as to form aggregated particles; and heating the aggregated particles to fuse ...

04/19/07 - 20070087279 - Transfer apparatus and transfer method
There is provided a transfer apparatus 10 which transfers many chips C on a dicing tape DT stretched in a first ring frame 20 to a transfer sheet S stuck in a second ring frame 24. This transfer apparatus 10 is provided with a pressing member 15 which presses the ...

04/05/07 - 20070077510 - Sulfonated polyester toner
A toner of a sulfonated polyester resin and at least one colorant is made to contain from about 0.01% by weigh to about 3% by weight of dry toner in total of lithium, sodium, zinc and calcium. The sulfonated polyester resin may be an alkali metal sulfonated polyester resin, wherein ...

03/01/07 - 20070048646 - Binder resin for electrostatic image developing toner, binder resin liquid dispersion for electrostatic image developing toner, electrostatic image developing toner, and production processes thereof
(wherein X is an alkylene oxide group, Y is a bisphenol structure group, 1≦h+k≦10, and 1≦j≦3). ...

01/25/07 - 20070020550 - Toner for electrostatic image development and process for preparing the same
A process for preparing a toner for electrostatic image development, the process comprising the steps of: (S1) mixing an aqueous pigment dispersion with an aqueous resin particle dispersion containing two or more kinds of self-dispersible polyester resin particles as binder resins to prepare a mixture; and (S2) adding a polyvalent ...

01/18/07 - 20070015077 - Toner, developer, image forming method, and toner container
A toner is provided manufactured by a method having the steps: dispersing toner constituents including a resin, in an aqueous medium containing a particulate resin, wherein the resin has a polyester skeleton formed by a ring-opening addition reaction of a cyclic ester with a first compound having an active hydrogen ...

12/28/06 - 20060292477 - Electrophotographic toner, method for producing the same, electrophotographic developer, method for producing the developer, and image forming method
Provided are an electrophotographic toner, comprising a binder resin containing a coloring agent, a crystalline resin and an amorphous resin, wherein the crystalline resin has two or more peaks in weight-average molecular weight as determined by gel permeation chromatography, one of the peaks has a weight-average molecular weight in the ...

12/28/06 - 20060292476 - Electrostatic developing toner, method of producing the same, electrostatic developer and image forming method
An electrostatic image developing toner comprising a non-crystalline polyester resin, wherein the non-crystalline polyester resin is obtained by copolymerizing monomers in the presence of a titanium catalyst; the monomers comprise a polyhydric alcohol component and a monomer containing a sulfonic acid group, the polyhydric alcohol component comprises a propylene oxide ...

12/21/06 - 20060286479 - Toner for developing electrostatic latent image
0.45<B/A<0.93  (i) ...

11/30/06 - 20060269860 - Toner, developer using the same, toner container using the same, process cartridge using the same, image-forming process using the same and image-forming apparatus using the same
A toner has a storage elastic modulus (G′) of 500 Pa or more at a frequency of 1 Hz and temperature of 180° C., while the toner is obtained by dissolving or dispersing a toner composition in an organic solvent, further dispersing the solution or dispersion thereof in an aqueous ...

11/16/06 - 20060257777 - Toner for developing electrostatic image and resin particle dispersion solution for toner for developing electrostatic image
A toner for developing an electrostatic image of the present invention contains toner particles obtained by forming coagulated particles by mixing a resin particle dispersion solution containing dispersed resin particles and a coloring agent dispersion solution containing dispersed coloring agent particles and fusing the coagulated particles by heating them and ...

11/09/06 - 20060251981 - Method of manufacturing toner, toner, and image forming method
Provided can be easily producible toner containing polyester resin particles, exhibiting excellent fixability and fine line reproduction, in which high quality images can stably be formed for a long duration, the toner manufacturing method, and the image forming method. Also disclosed is a manufacturing method of toner possessing the steps ...

10/26/06 - 20060240353 - Toner for developing electrostatic image, production method thereof, resin particle dispersion, and electrostatic image developer
Provided are a toner for developing an electrostatic image comprising a crystalline resin having an ester bond and at least one of a sulfide bond or a disulfide bond in the main-chain, an electrostatic image developer and an image-forming process by using the same, a method of producing the toner ...

10/05/06 - 20060222992 - Toner for electrostatic image development and process for preparing the same
A process for preparing a toner for electrostatic image development, the process comprising the steps of: (S1) mixing an aqueous pigment dispersion and an aqueous resin particle dispersion containing self-dispersible polyester resin particles as a binder resin to prepare a mixture; and (S2) adding a polyvalent metal salt as a ...

10/05/06 - 20060222991 - Toner compositions and process thereof
wherein R is an alkylene group; X is an aromatic hydrocarbon; Y is selected from the group consisting of an alkali and an alkaline earth metal salt of an arylenesulfonate or an alkylenesulfonate; R′ is a hydrophobic group, and m and n represent the number of random segments of from ...

10/05/06 - 20060222990 - Control of particle growth with complexing agents
A method of making particles suitable for use as toners includes forming a mixture of sulfonated olyester resin, a colorant dispersion and optionally a wax dispersion, homogenizing the mixture, adding a coagulant to the mixture to aggregate the mixture to form aggregated particles, and coalescing the aggregated particles to form ...

09/28/06 - 20060216627 - Toner for electrostatic charge developing, production method thereof, developer for electrostatic charge developing using the same, and image forming method
In the equation (1), BPA(EO) represents a total mole amount of the ethylene oxide adduct of bisphenol A used in synthesis of the amorphous polyester resin, and BPA(PO) represents a total mole amount of the propylene oxide adduct of bisphenol A used in synthesis of the amorphous polyester resin. ...

// - 10/90≦BPA(EO)/BPA(PO)≦90/10   Equation (1) -
...

09/28/06 - 20060216626 - Ultra low melt toners comprised of crystalline resins
A toner having an amorphous resin, a crystalline resin, and a colorant, wherein the crystalline resin has a melting temperature of at least 70° C. and a recrystallization point of at least 47° C. exhibits improved document offset properties and improved heat cohesion. Annealing the toner further improves the heat ...

09/21/06 - 20060210903 - Toner, developer, toner container, process cartridge, image forming apparatus and image forming method
The present invention provides a toner and a developer which includes the toner. The toner is produced in an aqueous medium and includes at least a binding resin, a colorant and a dispersant which disperses the colorant. The binding resin contains 50% by mass to 100% by mass of a ...

09/14/06 - 20060204880 - Toner for developing electrostatic images, electrostatic image developer, and image-forming method
Tf1/2≦205−(1.4×Tm1)  Formula (2). ...

// - 0.35≦ΔH2/ΔH1≦0.95  Formula (1) -
...

07/27/06 - 20060166121 - Hybrid toner processes
A toner process that includes a first heating of a colorant dispersion, a first polyester resin free latex emulsion, a second polyester latex emulsion, and a wax dispersion in the presence of a coagulant containing a metal ion; adding a third polyester free latex; adding an organic sequestering compound or ...

07/20/06 - 20060160011 - Toner and production method of the same, and image forming method
The object of the present invention is to provide a toner having a uniform composition of toner materials among toner particles, excelling in charge stability, enabling high-quality images without substantially causing fog and toner scattering, and having a small diameter and a narrow particle size distribution. The present invention also ...

07/20/06 - 20060160010 - Super low melt and ultra low melt toners containing crystalline sulfonated polyester
A toner is disclosed that includes a toner binder of crystalline sulfonated polyester, wherein the crystalline sulfonated polyester is 90% by weight or more of the toner binder, and a colorant. In other embodiments, the toner includes a crystalline sulfonated polyester and a linear amorphous sulfonated polyester, and a colorant. ...

07/13/06 - 20060154168 - Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge
A toner for developing a latent electrostatic image including a base of toner particle which contains a binder resin and a coloring agent, and an external additive. Herein, a plurality of the base of toner particle has a volume average particle diameter (Dv) of 3 μm to 7 μm, a ...

06/15/06 - 20060127790 - Particle dispersion for electrostatic image-developing toners, electrostatic image-developing toner, and method for producing the same
The invention provides a particle dispersion for an electrostatic image-developing toner containing either polycondensation resin particles, which are prepared by polycondensation of polycondensable monomers in an aqueous medium, or condensation compound particles, which are prepared by dehydration condensation of a condensable compound in an aqueous medium. The particles have a ...

06/01/06 - 20060115759 - Preparation method of a polyester particle dispersion and polyester particle dispersion prepared by the same
A preparation method of a polyester particle dispersion includes: under predetermined depolymerization conditions, mixing a polyester binder resin, a resin dissolvent and a polycondensation catalyst to depolymerize the polyester resin and form a first reaction mixture; adding a first monomer to the first reaction mixture to form a second reaction ...

06/01/06 - 20060115758 - Toner including amorphous polyester, cross-linked polyester and crystalline polyester
A toner is disclosed that includes a binder and at least one colorant, wherein the binder includes an amorphous polyester material, a cross-linked polyester material, an optional embrittling agent material, and a crystalline polyester material. The toner may be mixed with a suitable carrier to form a developer. ...

05/18/06 - 20060105262 - Process for preparing toner for electrophotography
A process for preparing a toner for electrophotography comprising a resin binder and a colorant, including the steps of (1) forming primary particles containing the resin binder and the colorant in an aqueous medium in the presence of a nonionic surfactant; and (2) aggregating the primary particles, and unifying the ...

04/20/06 - 20060084001 - Polyester resin for toner, toner for developing electrostatic charge image and method for forming image
A polyester resin for toner, wherein an acid component of the polyester comprises (1) disproportionated rosin and (2) terephthalic acid and/or isophthalic acid, an alcohol component of the polyester comprises (3) glycidyl ester of tertiary fatty acid and (4) an aliphatic diol containing from 2 to 10 carbon atoms, and ...

04/13/06 - 20060078815 - Polyester resin composition for toner and toner
A toner resin composition comprising a linear polyester resin (A) containing a C3 to C10 aliphatic diol component and a linear polyester resin (B) containing a C3 to C10 aliphatic diol component which differs from the linear polyester resin (A), or further comprising a vinyl-based resin (C), and a toner ...

03/30/06 - 20060068313 - Electrophotography and image forming apparatus
The object of the present invention is to provide a developer having a sharp charge amount distribution and bringing out high-quality image without substantially smearing a charging unit, developing units, a photoconductor, and an intermediate transferring member by the developer, namely, a developer capable of providing an appropriate image density ...

03/30/06 - 20060068312 - Toner and method for producing the same, and image-forming method using the same
There are provided: a method for producing a toner containing to granulate a toner and to subjecting the granulated toner to at least washing with an alkali washing solution, in which the total organic carbon amount extractable from the alkali-washed toner is 200 ppm/g or less; a toner comprising polyester ...

03/23/06 - 20060063088 - Preparation method of polyester resin
A preparation method of a polyester resin includes: under predetermined depolymerization conditions, mixing a polyester resin, a resin dissolvent and a polycondensation catalyst to depolymerize the polyester resin and form a first reaction mixture; adding a first monomer to the first reaction mixture to form a second reaction mixture; under ...

03/23/06 - 20060063087 - Electrostatic latent image developing toner, developer and method of producing the electrostatic latent image developing toner
The present invention provides an electrostatic image developing toner comprising a binder resin, a colorant and a releasing agent, the toner having a temperature interval in which the value of loss elastic modulus varies 100 times or more within a temperature range of 10° C. in the temperature interval between ...

03/23/06 - 20060063086 - Low melt toners and processes thereof
A process for preparing toner particles and compositions adapted for use in preparing toners that comprise a blend of a first polyester resin with a second sharp melting polyester resin. The process includes forming an emulsion resin comprising a branched polyester resin, a crystalline polyester resin, a colorant, and optionally ...

03/16/06 - 20060057488 - Toner and image forming method using the toner
wherein T1 represents a glass transition temperature of the toner and Q1 represents an endothermic quantity at a melting point thereof before melting when heated from −20° C. to 150° C. at a heating speed of 10° C./min, and T2 represents a glass transition temperature thereof and Q2 represents a ...

// - 10° C.<(T1−T2)<60° C. and 0<Q2/Q1<2/3 -
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03/16/06 - 20060057487 - Developer for use in electrophotography, image forming method and process cartridge
Electro-photographic images having high picture quality and low carrier adhesion can be obtained using a two-component developer containing a carrier containing (A) a carrier containing a core containing a magnetic material, the core being coated with at least one resin layer; and (B) a toner; wherein the carrier has a ...

03/16/06 - 20060057486 - Crystalline polyester for toner
The present invention relates to a crystalline polyester for toner, obtained by a process comprising the step of polymerizing raw material monomers in the presence of a wax, wherein the crystalline polyester has a number-average molecular weight of from 3000 to 10000 and a weight-average molecular weight of from 150000 ...

03/09/06 - 20060051693 - Process for preparing toner for electrophotography
The present invention relates to a process for preparing a toner for electrophotography containing a resin binder and a colorant, including the step of preparing fine particles of the resin binder to have a volume-median particle size (D50) of from 0.05 to 3 μm in an aqueous medium in the ...

02/23/06 - 20060040197 - Toner and fixing method
G′T2=value of G′ measured at T2° C. (Pa). ...

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02/09/06 - 20060029875 - Toner for electrophotography
A toner for electrophotography containing a resin binder and a colorant, wherein the resin binder contains a polyester in an amount higher than 50% by weight of the resin binder, wherein the polyester is obtained by polycondensing an alcohol component containing 60% by mol or more of an aliphatic diol ...

12/15/05 - 20050277046 - Color toner for developing electrostatic images, toner container containing the color toner, and image forming method and apparatus using the color toner
A color toner including toner particles including a colorant, a binder resin, and a wax; and an external additive including at least one of an inorganic particulate material and a particulate resin, wherein the binder resin includes a polyester resin (A) having a crystallinity and a formula (—O—CO—CR1═CR2—CO—O—(CH2)n—)m, wherein R1 ...

11/17/05 - 20050255399 - Toner, developer, image developing apparatus, and image forming apparatus
A toner capable of making compatible a transferring property, a fixing property and a cleaning property and forming a high-precision image. The toner comprises a binder resin and a colorant and is characterized in that the average circularity of the toner is at least 0.95, a ratio (D/S) between the ...

11/17/05 - 20050255398 - Electrophotographic toner and manufacturing method thereof, polyester resin for electrophotographic toner and manufacturing method thereof, electrophotographic developer and image forming method
The present invention provides a binder resin that is used for an electrophotographic toner, an electrophotographic toner using the same, and a manufacturing method thereof, as well as an electrophotographic developer and an image forming method. The binder resin includes a rare earth element in a range of about 1 ...

11/10/05 - 20050250037 - Toner for developing electrostatic image, fixing method for fixing image formed of the toner, and image forming method and process cartridge using the toner
A toner including toner particles including a colorant; a binder resin; and a release agent, wherein the binder resin includes a polyester resin (A) having a crystallinity and a specific formula (1), wherein a molar ratio of the ester bond of the crystalline polyester resin to total ester bonds included ...

10/13/05 - 20050227160 - Crystalline polyester for toner
The present invention relates to a crystalline polyester for toner, obtained by polycondensation of an alcohol component comprising 70% by mol or more of 1,6-hexanediol, and a carboxylic acid component comprising 70% by mol or more of an aromatic carboxylic acid compound. The crystalline polyester for toner of the present ...

09/29/05 - 20050214670 - Toner, developer, toner container, process cartridge, fixing process, image forming apparatus, and image forming process
In the above equation (1), “TgBi” represents the glass-transition temperature of the amorphous resin, “n” represents the number of amorphous resins, and “b” represents the content of the amorphous resin (part by mass). Examples of the preferred aspect of the present invention includes the one that at least a part ...

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09/29/05 - 20050214669 - Transparent toner, developer including same, gloss-providing unit and image forming device
A transparent toner to be used for a transparent toner image formed with a color toner image, wherein a thermoplastic resin constituting the transparent toner is made of a resin obtained by melt-mixing a crystalline polyester resin and an amorphous resin under the conditions such that supposing that T0 (° ...

09/22/05 - 20050208411 - Toner and fixing device and image forming device using the same
A toner containing toner particles having a core-shell structure containing a binder resin, a colorant and a release agent. The toner particles are prepared by dissolving or dispersing at least one of the binder resin and a precursor thereof in an organic solvent or a polymeric monomer and reacting the ...

09/01/05 - 20050191574 - Method and apparatus for electrophotographic image forming capable of using a toner enhancing image quality and cleanability, and the toner used in the image forming
An image forming apparatus performs electrophotographic image forming using a toner and includes an image bearing member configured to bear an electrostatic latent image on a surface thereof, a developing mechanism configured to develop the electrostatic latent image in to a toner image by using a toner, a transfer mechanism ...

07/28/05 - 20050164113 - Binder for electrostatic image developing toner
Provided is a binder for an electrostatic image developing toner using a polyester resin in which at least a part of a carboxylic acid component (a) and/or an alcohol component (b) comprises a carboxy-modified polyolefin or a hydroxyl-terminated polyalkadiene that may be hydrogenated containing an aliphatic hydrocarbon group (x) having ...

07/07/05 - 20050147911 - Toner for electrophotography
A toner for electrophotography, containing a low-softening point polyester-based resin having a softening point of from 80° to 120° C.; and a high-softening point polyester-based resin having a softening point of higher than 120° C. and 160° C. or lower, wherein the low-softening point polyester-based resin has a viscosity at ...

06/09/05 - 20050123847 - Toners for electrophotographic imaging apparatus having anti-streaking and anti-filming properties
A toner for an electrophotographic imaging apparatus is provided. The toner can stably maintain the charge quantity and charge distribution of the toner in a stable condition, prevent streaking due to the solidification of the toner at a high temperature and humidity, and prevent filming in a developing roller and ...



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