Patent application number | Description | Published |
20080197283 | EMULSION AGGREGATION TONER COMPOSITIONS AND DEVELOPERS - Disclosed herein are toner compositions and developers particularly suitable for use in xerographic devices having oil-less fuser systems. The disclosed toner composition is substantially free of crystalline resin. | 08-21-2008 |
20080199797 | CURABLE TONER COMPOSITIONS AND PROCESSES - An emulsion aggregation toner composition includes toner particles including: an unsaturated polymeric resin, selected from amorphous resins, crystalline resins, and mixtures thereof; an optional colorant; an optional wax; an optional coagulant; and a photo initiator capable of initiating crosslinking of said unsaturated polymeric resin. | 08-21-2008 |
20080220362 | TONER COMPOSITIONS HAVING IMPROVED FUSING PROPERTIES - Image recording device comprising a development system including toner particles comprising a gel latex, a high Tg latex, a wax, and a colorant, and a fuser member, such as a fluoropolymer coated fuser member, which produces images having improved document offset, vinyl offset and half-tone rub properties. | 09-11-2008 |
20080254381 | CHEMICAL TONER WITH COVALENTLY BONDED RELEASE AGENT - A chemical toner composition including a polymer polymerized from starting ingredients comprising a resin monomer and a release agent monomer. | 10-16-2008 |
20090061349 | 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 a wax. The resin mixture is aggregated using an aggregating agent, such as a zinc acetate solution, to form an aggregate mixture. The aggregate mixture is then coalesced at a temperature of from about 5 to about 20° C. above the T | 03-05-2009 |
20090123864 | 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 cohesion and morphology of the toner. | 05-14-2009 |
20090142689 | POLYESTER-WAX BASED EMULSION AGGREGATION TONER COMPOSITIONS - Emulsion aggregation toners comprising a polyester-wax resin, wherein the polyester-wax resin includes a wax that is chemically incorporated into the main chain of the polyester resin. | 06-04-2009 |
20090214972 | TONER COMPOSITIONS - The present disclosure provides resins having fluorescent agents suitable for use in toner compositions that are capable of imparting fluorescent properties to images printed with the toners. | 08-27-2009 |
20090274499 | EXTENDED ZONE LOW TEMPERATURE NON-CONTACT HEATING FOR DISTORTION FREE FUSING OF IMAGES ON NON-POROUS MATERIAL - A system for heated gas fusing of toner on non-porous substrates is provided. The system uses (1) an extended fusing zone held at lower temperatures than needed for a roll nip or radiant fuser, and (2) a very low melt toner which can be fused at greatly reduced temperatures compared to conventional toners. In one form, the system is realized through (a) the use of heated gas as the low temperature extended zone fusing technology, and (b) the use of ultra-low melt (ULM) toner—which requires significantly reduced temperature compared to conventional toner. On non-porous packaging substrates the use of heated gas can limit the substrate temperature to 100° C. | 11-05-2009 |
20100015544 | TONER PROCESS - The present disclosure provides toners and processes for preparing toner particles possessing excellent charging characteristics. The process includes forming a dispersion including at least one organic and/or organometallic charge control agent, and then combining that dispersion with an emulsion suitable for use in forming toner particles. | 01-21-2010 |
20100021217 | COMPOSITION AND METHOD FOR WAX INTEGRATION ONTO FUSED PRINTS - A system and a method to protect an image on a substrate. The method includes forming an unfused toner image, partially fusing the unfused toner image at a first temperature by exposing the composition to radiation to prevent disruption of the image upon application of the wax-hybrid composition to form a partially fused toner image, cooling the partially fused toner image to a second temperature, providing a protective coating composition comprising a wax-hybrid, applying the protective coating composition over the partially fused toner image, permanently fixing the protective coating composition and partially fused toner image to form a final printed image. | 01-28-2010 |
20100021841 | 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 a wax. The resin mixture is aggregated using an aggregating agent, such as a zinc acetate solution, to form an aggregate mixture. The aggregate mixture is then coalesced at a temperature of from about 5 to about 20° C. above the T | 01-28-2010 |
20100055592 | TONER COMPOSITIONS - Toner particles are provided which may, in embodiments, include a core and a shell formed in situ. The resins utilized to form the core, the shell, or both, may be contacted with a water soluble initiator. The resin, in embodiments present in the shell, cross-links at a temperature near the temperature for coalescence, and may prevent a crystalline resin in the core from migrating to the toner surface. | 03-04-2010 |
20100055593 | TONER COMPOSITIONS - Toner particles are provided which may, in embodiments, include a core and a shell, one or both of which may include a polyester gel. The gel in the shell and/or core may prevent a crystalline resin in the core from migrating to the toner surface. | 03-04-2010 |
20100055598 | TONER COMPOSITIONS - Toner particles are provided which may, in embodiments, include a gel. In embodiments, the toner particles may have a core-shell configuration, with the gel in the core, the shell, or both. The gel may prevent a crystalline resin in the core of the toner particles from migrating to the toner surface. | 03-04-2010 |
20100075241 | TONERS WITH FLUORESCENCE AGENT AND TONER SETS INCLUDING THE TONERS - A toner set includes a plurality of toners, at least one toner but less than all toners of the toner set including binder, colorant and fluorescence agent and remaining additional toners including binder, colorant and free of fluorescence agent. At least a first toner grouping and a second toner grouping of the toner set form a combination, the first and second groupings of the combination exhibiting a substantially same color under ambient light conditions upon image formation. The first toner grouping and the second toner grouping of the combination contain a different amount of the fluorescence agent, wherein upon exposure to activating energy, the fluorescence agent fluoresces to cause a visible change in the color of a pattern formed in an image by the first toner grouping as compared to the second toner grouping. | 03-25-2010 |
20100099037 | TONER COMPOSITIONS AND PROCESSES - Environmentally friendly toner particles are provided which may, in embodiments, include a biodegradable semi-crystalline polyester resin and a biodegradable amorphous polyester resin. | 04-22-2010 |
20100136472 | TONER COMPOSITIONS - Toner particles are provided which may, in embodiments, include a high molecular weight branched or cross-linked polyester to decrease image gloss and to increase toner elasticity to prevent surface additives impaction. In embodiments, the toner particles may have a core-shell configuration, with the high molecular weight polyester in the core, the shell, or both. | 06-03-2010 |
20100159375 | TONERS CONTAINING POLYHEDRAL OLIGOMERIC SILSESQUIOXANES - Disclosed is a toner composition comprising toner particles which comprise a resin, an optional colorant, and a polyhedral oligomeric silsesquioxane compound. | 06-24-2010 |
20100186624 | METHOD OF MAKING A PIGMENTED PHASE CHANGE INK WITH DISPERSANT AND SYNERGIST - A method of making a phase change ink composition includes adding to a device with a stirring element at least one pigment, at least one dispersant and at least one synergist, processing the device at an elevated temperature and at a stirring rate to wet the at least one pigment to obtain an ink concentrate, and mixing the ink concentrate with an ink vehicle to obtain the ink composition. The device may be an extruder, an attritor or the like. The method allows for the reduction in the amount of dispersant to include in the ink. | 07-29-2010 |
20100196819 | METHOD FOR PAPER TREATMENT - Provided herein is a surface treatment method of oil contaminated xerographic prints which increases the adhesion of the print to levels close to the values corresponding to the original uncontaminated paper. Subjecting the contaminated surface to corona treatment alone and in combination with ultraviolet (UV) radiation and ozone can change the chemical structure of the surface of the paper in such a way that a highly polar surface is created as a consequence of this treatment, leading to enhanced adhesion properties of the xerographic print. | 08-05-2010 |
20100203439 | TONER COMPOSITIONS AND PROCESSES - Environmentally friendly toner particles are provided which may, in embodiments, include a bio-based amorphous polyester resin, optionally in combination with another amorphous resin and/or a crystalline resin. Toner particles may, in embodiments, have a core-shell configuration, with the shell formed of the bio-based amorphous polyester resin, the amorphous polyester resin, the crystalline polyester resin, or combinations thereof. | 08-12-2010 |
20100285401 | CURABLE TONER COMPOSITIONS AND PROCESSES - Processes for producing emulsion aggregation toners are provided. In embodiments, methods of the present disclosure may be utilized to produce toners suitable for low melt applications, including use in flexible packaging applications, where low pile height is desired for low cost and flexibility. In embodiments, the EA toners may be prepared by optimizing the particle size of the emulsion, the choice of and amount of aggregating agent utilized, and the solids content of the emulsion. | 11-11-2010 |
20100285403 | CURABLE TONER COMPOSITIONS AND PROCESSES - Processes for producing emulsion aggregation toners are provided. In embodiments, methods of the present disclosure may be utilized to produce toners suitable for low melt applications, including use in flexible packaging applications, where low pile height is desired for low cost and flexibility. In embodiments, the EA toners may be prepared by optimizing the particle size of the emulsion, the choice of and amount of aggregating agent utilized, and the solids content of the emulsion. | 11-11-2010 |
20110003243 | TONER COMPOSITIONS AND PROCESSES - Environmentally friendly toner particles are provided which may include a bio-based amorphous polyester resin, optionally in combination with another amorphous resin and/or a crystalline resin. Methods for providing these toners are also provided. | 01-06-2011 |
20110091803 | CURABLE TONER COMPOSITIONS AND PROCESSES - An emulsion aggregation toner composition includes toner particles including: an amorphous polyester resin; an optional crystalline resin; an optional colorant; an optional wax; an optional coagulant; and a polymeric or oligomeric hydroxy ketone photo initiator capable of initiating crosslinking of said polyester resin, wherein at least one of the amorphous polyester resin and the optional crystalline resin when present is unsaturated. | 04-21-2011 |
20110104607 | CHEMICAL TONER CONTAINING SUBLIMATION COLORANT FOR SECONDARY TRANSFER PROCESS - A chemical toner composition that includes at least one curable amorphous resin and at least one sublimation colorant. | 05-05-2011 |
20110207046 | TONER COMPOSITIONS AND PROCESSES - A process for preparing a toner includes forming an emulsion with a buffer solution and an amorphous biodegradable polyester resin represented by Formula (1): | 08-25-2011 |
20110212396 | BIO-BASED AMORPHOUS POLYESTER RESINS FOR EMULSION AGGREGATION TONERS - Disclosed are amorphous polyesters that contain only renewable resources designed for emulsion aggregation toner fabrication. The amorphous polyesters may be obtained from the mixture of three different monomers: 1,4:3,6-dianhydro-D-sorbitol (isosorbide), nonanedioic acid (azelaic acid), and butanedioic acid (succinic acid). Different polymer properties may be achieved depending on the ratio of these three monomers. By altering the ratio, polymers of high to low acid value can be obtained, as well as different ranges of glass transition temperatures. | 09-01-2011 |
20120107737 | Toner Compositions - Toner particles are provided which may, in embodiments, include a core and a shell formed in situ. The resins utilized to form the core, the shell, or both, may be contacted with a water soluble initiator. The resin, in embodiments present in the shell, cross-links at a temperature near the temperature for coalescence, and may prevent a crystalline resin in the core from migrating to the toner surface. | 05-03-2012 |
20120141180 | SURFACE TREATMENT FOR IMPROVING THE ADHESION OF PHASE CHANGE INK ON SUBSTRATES - Treatments are described for surfaces of substrates to improve adhesion with a phase change ink. A method of forming an image on a coated substrate with a phase change ink includes treating a surface of the coated substrate with a corona discharge treatment, a plasma treatment and/or an electron-beam treatment prior to image formation, and subsequently forming an image on the surface of the treated coated substrate with a phase change ink, wherein the image formed on the substrate has an LV Index that is reduced compared to that of an image formed on the untreated substrate. A phase change ink printing apparatus includes a corona discharge, plasma and/or electron-beam treatment device; and a phase change ink printing device, wherein the corona discharge, plasma and/or electron-beam treatment device is located upstream, in a process direction, from the phase change ink printing device. | 06-07-2012 |
20120156481 | FUSER MEMBER AND COMPOSITION - The present teachings provide a fuser member. The fuser includes a layer of a siloxyfluorocarbon networked polymer. | 06-21-2012 |
20120157277 | FUSER MEMBER - The present teachings provide a fuser member. The fuser member includes an outer layer comprising a composite of a fluoropolymer and a networked siloxyfluorocarbon polymer. | 06-21-2012 |
20120183896 | Rosin-Based Resin and Toner Containing Same - Disclosed is a polyester resin comprising the polycondensation product of (a) at least one diacid, acid ester, or diester; and (b) at least one diol; wherein either (i) at least one diacid, acid ester, or diester comprises a rosin diacid, rosin acid ester, or rosin diester; or (ii) at least one diol comprises a rosin diol. Also disclosed is a toner composition comprising particles which comprise the disclosed polyester resin and an optional colorant. | 07-19-2012 |
20120189956 | SOLVENT-FREE TONER PROCESSES - The present disclosure provides processes for producing toners. In embodiments, alkyl or alkyl ether sulfates are used in a solvent-free toner production process as surfactants to provide for higher parent particle charge without adversely affecting particle size, distribution control and circularity of the toner particles. The present disclosure also provides a new formulation and process for the emulsification of polyester resins to form nano-scale particles dispersed in water (latex) without the use of organic solvents by an extrusion process. | 07-26-2012 |
20120237865 | TONERS WITH FLUORESCENCE AGENT AND TONER SETS INCLUDING THE TONERS - A toner set includes a plurality of toners, at least one toner but less than all toners of the toner set including binder, colorant and fluorescence agent and remaining additional toners including binder, colorant and free of fluorescence agent. At least a first toner grouping and a second toner grouping of the toner set form a combination, the first and second groupings of the combination exhibiting a substantially same color under ambient light conditions upon image formation. The first toner grouping and the second toner grouping of the combination contain a different amount of the fluorescence agent, wherein upon exposure to activating energy, the fluorescence agent fluoresces to cause a visible change in the color of a pattern formed in an image by the first toner grouping as compared to the second toner grouping. | 09-20-2012 |
20120243924 | METHOD OF CONTROLLING GLOSS - The present teachings provide a fusing method and system of tuning gloss level on a copy substrate. The method includes obtaining an image forming apparatus for forming images on a recording medium comprising a charge-retentive surface to receive an electrostatic latent image thereon. The method includes applying toner to the charge-retentive surface to develop an electrostatic latent image to form a developed image on the charge-retentive surface. The developed image is transferred from the charge retentive surface to a copy substrate. The toner images are fused to a surface of the copy substrate. The gloss is adjusted on the copy substrate by providing a fuser member having a surface layer a fluoroplastic matrix having dispersed therein aerogel particles wherein the greater a weight percent of the aerogel particles in the fluoroplastic matrix the lower the gloss. | 09-27-2012 |
20130032056 | Phase Change Inks Containing Crystalline Trans-Cinnamic Diesters and Amorphous Isosorbide Oligomers - Disclosed is a phase change ink comprising: (a) a crystalline trans-cinnamic diester; and (b) an amorphous oligomer of isosorbide and a diacid. | 02-07-2013 |
20130032057 | SOLID PHASE CHANGE INK COMPOSITIONS COMPRISING OXAZOLINES - A solid ink composition comprising at least one crystalline oxazoline compound and at least one amorphous component derived from a polyol, and a colorant and optional viscosity modifier, which are suitable for inkjet printing, including printing on coated paper substrates. In embodiments, the solid ink formulation comprises a blend of an amorphous and crystalline components which provides a solid ink with excellent robustness when forming images or printing on coated paper substrates. | 02-07-2013 |
20130035428 | Phase Change Inks Containing Oxazoline Compounds and Polyterpene Resins - Disclosed is a phase change ink comprising (a) a crystalline oxazoline compound; and (b) an amorphous polyterpene resin. | 02-07-2013 |
20130084426 | SURFACE COATING AND FUSER MEMBER - The present teachings disclose a coating that includes a inner layer having a first modulus and a first roughness; and a surface layer having a second modulus. The first modulus is greater than the second modulus. When the coating is subjected to a nip pressure the surface of the coating exhibits a surface roughness approximately equal to the first roughness. | 04-04-2013 |
20130131226 | Phase Change Inks Containing Crystalline Trans-Cinnamic Diesters and Polyterpene Resins - Disclosed is a phase change ink comprising an ink carrier which comprises: (a) a crystalline trans-cinnamic diester; and (b) an amorphous polyterpene resin. | 05-23-2013 |
20130236829 | SUPER LOW MELT TONER WITH CORE-SHELL TONER PARTICLES - A toner particle having a core and a shell, and a method for making the toner particle. The core includes a crystalline resin and the shell includes an amorphous resin. The shell is substantially to completely free of the crystalline resin. The toner particle permits inclusion of greater amounts of crystalline resin materials in the core, thereby lowering the minimum fusing temperature of the toner formed from the particles. | 09-12-2013 |
20130266896 | SUPER LOW MELT EMULSION AGGREGATION TONERS COMPRISING A TRANS-CINNAMIC DI-ESTER - An emulsion aggregation toner composition is disclosed that includes toner particles with at least one small crystalline molecule, such as a trans-cinnamic diester, at least one amorphous resin, optional waxes, coagulants, pigments, and combinations thereof. In other embodiments, the small crystalline molecule is biodegradable and can be made using raw materials derived from renewable resources. Such small crystalline molecules are also compatible with amorphous binder resins, to provide toner compositions with reduced minimum fusing temperatures without sacrificing electrical performance. Processes for preparing emulsion aggregation toner compositions are also described. | 10-10-2013 |
20130337237 | STRETCHABLE INK COMPOSITION - An ink composition suitable for ink jet printing, including printing on deformable substrates. In embodiments, the stretchable ink composition is based on an aqueous ink formulation comprising an emulsion of a polyurethane elastomer in combination with colorant dispersions, and surfactants. | 12-19-2013 |
20140045116 | EMULSION AGGREGATION TONER PROCESS COMPRISING DIRECT ADDITION OF SURFACE-TREATED PIGMENT - A method of making a toner that includes adding pigments into an emulsion aggregation toner without first preparing a pigment dispersion. The method eliminates the pigment dispersion step in the manufacture of emulsion aggregation toilers by surface-treating pigments. Dry surface-treated pigments can be directly incorporated into the toner prior to aggregation in the aggregation coalescence process without the need to first prepare aqueous pigment dispersions. | 02-13-2014 |
20140121298 | Method of Powder Coating and Powder-Coated Fuser Member - Methods for powder coating that include applying a powder coating composition to a substrate via an electrostatic gun. The powder coating composition includes a mixture of two or more materials having different densities, such as a mixture of aerogel particles and fluoropolymer-containing particles. The electrostatic gun can have a high-voltage generator that generates a negative polarity voltage between about 0 KV and about 100 KV during application of the powder coating composition, and the electrostatic gun can have a round spray nozzle. Methods of making fuser members using such powder coating methods, fuser members prepared by such methods, and methods of preparing low gloss images using such fuser members. | 05-01-2014 |
20140137767 | Phase Change Inks Containing Oligomeric Rosin Esters - Disclosed is a phase change ink comprising an ink carrier which comprises a crystalline component and an amorphous rosin ester. In specific embodiments, the crystalline component can be a trans-cinnamic diester, a diester of tartaric acid, or a diurethane. In specific embodiments, the ink exhibits a peak melting point of no more than about 150° C., an onset crystallization temperature of no less than about 60° C., a melt viscosity within the temperature range of from about 100° C. to about 130° C. of from about 5 cps to about 22 cps, a peak solidification viscosity at about 50° C. of no less than about 1×10 | 05-22-2014 |
20140154512 | SURFACE COATING AND FUSER MEMBER - Described is a fuser member having a substrate and a release layer disposed on the substrate. The release layer includes a non-woven matrix of a plurality of polymer fibers. Each of the plurality of polymer fibers has a diameter of from about 5 nm to about 50 microns. A siloxyfluorocarbon networked polymer dispersed throughout the plurality of polymer fibers. The plurality of polymer fibers are from about 5 weight percent to about 50 weight percent of the release layer. In embodiments the polymer fibers are encased in a fluoropolymer sheath. | 06-05-2014 |
20140170555 | Cardanol Derivatives in Polyester Toner Resins - The present disclosure provides a polyester toner resin comprising a polyhydroxylated cardanol derivative, that may be used in manufacturing an emulsion aggregation (EA) toner for imaging devices. | 06-19-2014 |
20140321893 | SURFACE COATING AND FUSER MEMBER - There is described a fuser member comprising a substrate layer and a surface layer disposed on the substrate. The surface layer comprises a non-woven polymer fiber matrix having dispersed throughout a cross-linked fluoropolymer and a release agent. The release agent is a liquid at a temperature about 100° C. | 10-30-2014 |
20140323005 | SURFACE COATING AND FUSER MEMBER - Described is a fuser member having a substrate and a surface layer disposed on the substrate. The surface layer includes a non-woven polymer fiber matrix having dispersed throughout a siloxyfluorocarbon (SFC) networked polymer and a fluorinated polyhedral oligomeric silsesquioxane. | 10-30-2014 |
20150056550 | Simplified Process for Sustainable Toner Resin - The disclosure describes a one reaction process for making a bio-based polyester resin. The resultant polyester resin retains thermal properties as compared to a similar resin but made using previous multi-step processes conducted in separate vessels. | 02-26-2015 |