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 |
20080236446 | Toner processes - A toner process comprising the aggregation and coalescence of an amorphous polyester, a crystalline polyester and a colorant, and wherein the coalescence is conducted at a temperature that is about lower than the melting point temperature of the crystalline polyester. | 10-02-2008 |
20090035686 | CORE-SHELL POLYMER NANOPARTICLES AND METHOD OF MAKING EMULSION AGGREGATION PARTICLES USING SAME - Nano-sized particles for use in making emulsion aggregation toner particles have a core portion and a shell portion, wherein the core portion of the nano-sized particles includes crystalline resin and the shell portion includes amorphous resin and is substantially to completely free of the crystalline resin. | 02-05-2009 |
20090047591 | NANO-SIZED COMPOSITES CONTAINING POLYMER MODIFIED CLAYS AND METHOD FOR MAKING TONER PARTICLES USING SAME - A toner comprising toner particles, a polymer binder, at least one colorant and clay composites distributed in the polymer binder, wherein the clay composites comprise a polymer modified clay. | 02-19-2009 |
20090047593 | TONER COMPOSITIONS AND PROCESSES - An emulsion aggregation toner including a core and a shell wherein the core includes an amorphous polyester, a wax, a crystalline polyester and an optional colorant and wherein the shell includes an amorphous polyester and a wax and is substantially free of crystalline polyester. | 02-19-2009 |
20090047595 | Nano-Sized Composites Containing Polymer Modified Clays and Method for Making Toner Particles Using Same - A method for making toners to include clay composites. The clay composites are incorporated into emulsion of toner and used in making toner via emulsion aggregation. Such toners may have a core and/or a shell and the clay composites may be included with the core, the shell or both. | 02-19-2009 |
20090053644 | CORE-SHELL POLYMER NANOPARTICLES AND METHOD FOR MAKING EMULSION AGGREGATION PARTICLES USING SAME - The method of making nano-sized particles for use in making emulsion aggregation toner particles, the nano-sized particles having a core portion and a shell portion, wherein the core portion of the nano-sized particles includes crystalline resin and the shell portion includes amorphous resin and is substantially to completely free of the crystalline resin. | 02-26-2009 |
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 |
20090155712 | CURABLE POLYESTER LATEX MADE BY PHASE INVERSION EMULSIFICATION - A process for preparing a curable polyester based emulsion is provided in embodiments, containing one or more unsaturated polyesters and one or more photoinitiators obtained by a phase inversion process, in which the particle size and particle size distribution is controlled by process parameters, such as solvent, solvent ratio, neutralization ratio of the resin and temperature. | 06-18-2009 |
20090208864 | SOLVENT-FREE PHASE INVERSION PROCESS FOR PRODUCING RESIN EMULSIONS - A process for making a resin emulsion suitable for use in forming toner particles includes melt mixing a resin possessing acid groups at a temperature higher than the glass transition temperature of the resin, optionally adding a surfactant before, prior to, during, or after melt mixing the resin, and adding a basic neutralization agent and water to the resin to form an emulsion. In embodiments, the resin emulsion thus produced may be utilized to form a toner. | 08-20-2009 |
20090246679 | TONER PROCESS - The present disclosure provides processes for preparing toner particles, in which fewer coarse particles are generated. The process includes introducing a buffer solution during coalescence of the toner slurry. The amount of coarse particles in the resulting toner particles may, in embodiments, be reduced to less than about 5 percent by weight of the total toner particles generated. | 10-01-2009 |
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 |
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 |
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 |
20100159387 | TONER PROCESS - The present disclosure provides processes for preparing toner particles, in which fewer coarse particles are generated. The process includes introducing a buffer solution during coalescence of the toner slurry. The amount of coarse particles in the resulting toner particles may, in embodiments, be reduced to less than about 5 percent by weight of the total toner particles generated. | 06-24-2010 |
20100239973 | TONER HAVING POLYESTER RESIN - Embodiments include a toner having a polyester resin derived from a terephthalic material, 2,2-ethyl-butyl-1,3-propanediol and bis-(4-hydroxycyclohexyl)-dimethylmethane, a wax, and an optional colorant. | 09-23-2010 |
20100248122 | TONER HAVING POLYESTER RESIN - Embodiments include a toner having a) a polyester resin derived from a naphthalenic material, a 2-alkyl succinic material, and 2,2-ethyl-butyl-1,3-propanediol, b) a wax, and c) an optional colorant. | 09-30-2010 |
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 |
20110033793 | TONER PROCESSES - Toners are provided which may be suitable for use in cold fusing pressure apparatus. The toners include low molecular weight amorphous resins having low softening points and low molecular weights, compared with resins utilized in conventional emulsion aggregation toners for low melt fusing applications. | 02-10-2011 |
20110053078 | CURABLE TONER COMPOSITIONS AND PROCESSES - An emulsion aggregation toner composition includes toner particles including: an unsaturated polymeric resin, such as amorphous resins, crystalline resins, and combinations thereof; an optional colorant; an optional wax; an optional coagulant; and a photoinitiator. By optimizing the particle size of the emulsion, the aggregant concentration utilized in the emulsion aggregation process, and the solids content of the emulsion, toners may be produced capable of generating images with non-contact fusing that have high gloss. | 03-03-2011 |
20110053079 | POLYESTER PROCESS - The present disclosure provides processes for the preparation of unsaturated polyesters. In embodiments, a process of the present disclosure includes reacting an organic diol with a cyclic alkylene carbonate in the presence of a first catalyst to thereby form a polyalkoxy diol, optionally adding thereto a further amount of cyclic alkylene carbonate in the presence of a second catalyst, and subsequently polycondensing the resulting mixture with a dicarboxylic acid in combination with an anhydride. | 03-03-2011 |
20110065038 | 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 include small particles having a shell with a high amount of resin, which optimizes the charging characteristics of the toner. | 03-17-2011 |
20110086302 | TONER COMPOSITIONS AND PROCESSES - An emulsion aggregation toner composition includes toner particles including: an unsaturated polymeric resin, such as amorphous resins, crystalline resins, and combinations thereof; an optional colorant; an optional wax; an optional coagulant; and an IR absorber. The use of an IR absorber may permit formation of color toners that have uniform gloss and crease properties, i.e., the IR absorbers may prevent gloss and crease differences between color and black toners. | 04-14-2011 |
20110086303 | TONER COMPOSITIONS AND PROCESSES - An emulsion aggregation toner composition includes toner particles including: an unsaturated polymeric resin, such as amorphous resins, crystalline resins, and combinations thereof; an optional colorant; an optional wax; an optional coagulant; and an IR absorber. The use of an IR absorber may permit formation of color toners that have uniform gloss and crease properties, i.e., the IR absorbers may prevent gloss and crease differences between color and black toners. | 04-14-2011 |
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 |
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 |
20110223525 | TONER HAVING POLYESTER RESIN - Embodiments include a toner having a polyester resin derived from diacids and diesters, in combination with at least one diol, in embodiments a cycloaliphatic diol, an optional crystalline resin, an optional colorant, and an optional wax. | 09-15-2011 |
20120135346 | PROCESSES FOR PRODUCING POLYESTER LATEXES WITH BIO-BASED SOLVENTS - A process for making a latex emulsion suitable for use in a toner composition includes contacting at least one polyester resin with a bio-based solvent to form a resin mixture, adding a neutralizing agent and deionized water to the resin mixture, removing the solvent from the formed latex, and recovering the emulsion. The solvent removed from the formed latex may be re-used, making the process very environmentally friendly. | 05-31-2012 |
20120148951 | SOLVENT-FREE BIO-BASED EMULSION - Solvent-free extrusion processes are disclosed that are suitable for forming high bio-based polyester latexes that may be utilized in forming a toner, as well as other commercial products. | 06-14-2012 |
20120156607 | 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. In embodiments, the bio-based amorphous polyester resin is modified with a multi-functional bio-based acid, thereby providing acid-functionalized polyesters, which can be readily emulsified in emulsion aggregation processes for toner fabrication. | 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 |
20120183897 | 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, and wherein at least one of the rosin diacid, rosin acid ester, rosin diester, or rosin diol is either (A) an ester of a functionalized rosin or an ester of a reduced functionalized rosin, or (B) a dimerized rosin. Also disclosed is a toner composition comprising particles which comprise the disclosed polyester resin and an optional colorant. | 07-19-2012 |
20120219894 | 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. In embodiments, the bio-based amorphous polyester resin includes a biologically derived diol, such as 2,3-butanediol. | 08-30-2012 |
20120258393 | CO-EMULSIFICATION OF INSOLUBLE COMPOUNDS WITH TONER RESINS - A process for making a latex emulsion suitable for use in a toner composition includes co-emulsifying a bio-based resin with an insoluble component, such as a pigment or wax, whereby the resin encapsulates the insoluble component. The resulting latex, including the insoluble component encapsulated in the resin, may then be utilized to form a toner. The insoluble component may thus be included in toner particles, which might otherwise be difficult to achieve, using emulsion aggregation processes. | 10-11-2012 |
20120258397 | CO-EMULSIFICATION OF INSOLUBLE COMPOUNDS WITH TONER RESINS - A process for making a latex emulsion suitable for use in a toner composition includes co-emulsifying a bio-based resin with an insoluble component, such as a pigment or wax, whereby the resin encapsulates the insoluble component. The resulting latex, including the insoluble component encapsulated in the resin, may then be utilized to form a toner. The insoluble component may thus be included in toner particles, which might otherwise be difficult to achieve, using emulsion aggregation processes. | 10-11-2012 |
20120272859 | SUBSTITUTED OXAZOLINE COMPOUNDS OR SUBSTITUTED OXAZOLINE DERIVATIVES - Substituted oxazoline compounds and/or substituted oxazoline derivatives having amorphous, semi-crystalline, or crystalline properties and methods for producing such compounds and derivatives are presented. The substituted oxazoline compounds and/or substituted oxazoline derivatives are useful for various applications. For example, the substituted oxazoline compounds and/or substituted oxazoline derivatives may function as phase-change agents, a binder resins, rheology modifiers or plasticizers for ink compositions. | 11-01-2012 |
20120274710 | INK COMPOSITIONS INCORPORATING SUBSTITUTED OXAZOLINE COMPOUNDS OR SUBSTITUTED OXAZOLINE DERIVATIVES - An ink composition including one or more oxazoline compounds or oxazoline derivatives having either crystalline, amorphous or even semi-crystalline properties for use in a particular printing application, such as in a direct-to-paper print process. | 11-01-2012 |
20120276477 | TONER COMPOSITIONS AND PROCESSES - Environmentally friendly toner particles are provided which may include a bio-based amorphous polyester resin including camphoric acid, optionally in combination with a crystalline resin. Methods for providing these toners are also provided. | 11-01-2012 |
20120276478 | Toner compositions and processes - Environmentally friendly toner particles are provided which may include a bio-based amorphous polyester resin including camphoric acid, optionally in combination with a crystalline resin. Methods for providing these toners are also provided. | 11-01-2012 |
20120283392 | POLYESTER PROCESS - The present disclosure provides processes for the preparation of unsaturated polyesters. In embodiments, a process of the present disclosure includes reacting an organic diol with a cyclic alkylene carbonate in the presence of a first catalyst to thereby form a polyalkoxy diol, optionally adding thereto a further amount of cyclic alkylene carbonate in the presence of a second catalyst, and subsequently polycondensing the resulting mixture with a dicarboxylic acid in combination with an anhydride. | 11-08-2012 |
20120288789 | SUPER LOW MELT TONERS - Environmentally friendly latex particles are provided which include a gelling agent and a pigment encapsulated in an amorphous resin which may be utilized in forming EA super low melt toners. Methods for providing these resins and toners are also provided. | 11-15-2012 |
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 |
20130164668 | TONER COMPOSITIONS OF BIODEGRADABLE AMORPHOUS POLYESTER RESINS - Disclosed is a toner that includes a mixture of a bio-based amorphous polyester resin, a crystalline polyester resin, and a colorant. | 06-27-2013 |
20130196262 | SYNTHESIS OF ABIETIC ACID-BASED MACROMER FOR POLYESTER RESIN PROCESS - An improved polycondensation method for bio-based polyesters synthesized from pre-formed macromers and the corresponding compositions, which are useful for producing binder polymers for imaging applications such as emulsion-aggregation (EA) toner. | 08-01-2013 |
20130244151 | Chemical Toner Including A Robust Resin For Solvent-Free Emulsification - A toner comprising a branched polyester suitable for use in solvent-free emulsification, the branched polyester having a first original weight average molecular weight before undergoing solvent-free emulsification and a second weight average molecular weight after undergoing solvent-free emulsification, wherein the branched polyester has a structure that limits degradation of the polyester during solvent-free emulsification to less than about 20 percent of the first original weight average molecular weight, wherein the branched polyester comprises a compound of the formula described; an optional wax, and an optional colorant. | 09-19-2013 |
20130244173 | SOLVENT-FREE BIO-BASED EMULSION - A process comprising:
| 09-19-2013 |
20130245197 | Robust Resin For Solvent-Free Emulsification - A branched polyester suitable for use in solvent-free emulsification, the branched polyester having a first original weight average molecular weight before undergoing solvent-free emulsification and a second weight average molecular weight after undergoing solvent-free emulsification, wherein the branched polyester has a structure that limits degradation of the polyester during solvent-free emulsification to less than about 20 percent of the first original weight average molecular weight, wherein the branched polyester comprises a compound of the formula described. | 09-19-2013 |
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 |
20140072912 | METHODS FOR RECYCLING BYPRODUCT OF POLYESTER RESIN PRODUCTION - Processes for preparing polyester resins as toner production components. The processes include reacting an organic diol and a cyclic alkylene carbonate to produce carbon dioxide (CO | 03-13-2014 |
20140083325 | Phase Change Ink Comprising A Polyhydroxyalkanoate Compound - A phase change ink including an amorphous compound; a crystalline compound; an optional colorant; an optional synergist; an optional dispersant; and at least one polyhydroxyalkanoate compound of the formula | 03-27-2014 |
20140127621 | SUSTAINABLE TONERS - Disclosed is a polyester resin containing the polycondensation product of (a) at least one diacid, acid ester, or diester, and (b) at least two diols. The at least two diols include a disproportionated rosin diol and 2,2-bis(4-hydroxyphenyl)propane. Also disclosed is a toner composition having particles which include the disclosed polyester resin. Further disclosed is a method of preparing the disclosed polyester resin, and a method of forming toner particles that includes the disclosed polyester resin. | 05-08-2014 |
20140134533 | Recycled Polyethylene Terephthalate-Based Toner - The present disclosure describes toner comprising a portion of resin comprising a polyethylene terephthalate oligomer. | 05-15-2014 |
20140134534 | Sustainable Toner - The present disclosure describes toner that is composed substantially of biodegradable and recycled materials. | 05-15-2014 |
20140165873 | Phenylcyclohexanol Derivatives As Wax Modifiers And Gelators - A compound of the formula | 06-19-2014 |
20140170546 | Thymol Derivatives in Polyester Polymer Toner Resin - The present disclosure provides a polyester toner resin comprising a polyhydroxylated thymol derivative that may be used in manufacturing an emulsion aggregation (EA) toner for imaging devices. | 06-19-2014 |
20140170547 | Polyester EA Toner Comprising Furan - The present disclosure provides a bio-based polyester resin comprising a polyacidic furan, including the manufacture of such polyester resin, which resin may be used in manufacturing toner for imaging devices. | 06-19-2014 |
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 |
20140322641 | Polyester Resins Comprising Gallic Acid and Derivatives Thereof - The present disclosure provides a polyester toner resin comprising gallic acid for use in manufacturing an emulsion aggregation (EA) toner for imaging devices. | 10-30-2014 |
20140322642 | Biophenols for Polyester Toner Resins - The present disclosure provides a polyester toner resin comprising a natural phenol used in manufacturing a toner for imaging devices. | 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 |