Abstract: A toner composition is provider including a branched amorphous polyester resin and a crystalline polyester resin, wherein the toner possesses rheological properties yielding desired characteristics.

Abstract: A toner composition is provided which contains a polyester resin with hydrophilic groups and hydrophobic end groups and a colorant, wherein said polyester resin is of the formula: 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 about 50 to about 300 for n, and from about 20 to about 2,000 for m, and m is less than 20 times n.

Abstract: 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. In these embodiments, the crystalline sulfonated polyester is from about 20% to about 60% by weight of the toner binder and the linear amorphous sulfonated polyester is from about 40% to about 80% by weight of the toner binder. The toners possess excellent miniumum fixing temperatures in the range of from about 80° C. to about 130° C. Processes for preparing the toners are also described.

Abstract: Polymer particles comprising a cross-linked polymer core and a linear non-cross-linked polymer shell may be formed by emulsion polymerization. The polymer particles may be used in forming toner.

Abstract: A toner composition includes a styrene-based polymer resin, a crystalline polyester wax, a second wax different from the crystalline polyester wax, a colorant, and a coagulant.

Abstract: Various venturi configurations are described that are particularly significant for ballistic aerosol marking (BAM) applications. The specific venturi geometries enable the printing of lines having sharp edges and particular widths, using relatively low pressures.

Abstract: A toner containing a mixture of a sulfopolyester resin, a colorant and an alkyl amide.

Abstract: Polyetherimide-b-polysiloxane block copolymers are useful as surface layers for fuser and fixing members in various printing devices, including electrostatographic imaging systems and ballistic aerosol marking devices. Optionally, the polyetherimide-b-polysiloxane block copolymers are fluorinated, or include at least 50% by weight siloxane.

Abstract: A toner process involving the heating a mixture of an acicular magnetite dispersion, a colorant dispersion, a wax dispersion, a first latex containing a crosslinked resin, and a second latex containing a resin free of crosslinking in the presence of a coagulant to provide aggregates, stabilizing the aggregates with a silicate salt dissolved in a base, and further heating the aggregates to provide coalesced toner particles.

Abstract: A toner process involving the heating a mixture of an acicular magnetite dispersion, a colorant dispersion, a wax dispersion, a first latex containing a crosslinked resin, and a second latex containing a resin free of crosslinking in the presence of a coagulant to provide aggregates, stabilizing the aggregates with a silicate salt dissolved in a base, and further heating the aggregates to provide coalesced toner particles.

Abstract: A toner comprised of a branched amorphous resin, a crystalline resin, and a colorant.

Abstract: A process for the preparation of emulsion aggregation toner particles with high pigment loading having a reduced number of wax protrusions on the surface of the toner particles and fewer coarse toner particles. The process includes the introduction of a wax having a molecular weight between about 500 and 2,500, or a blend of waxes having different a molecular weight between 500 and 2,500.

Abstract: A toner process involving mixing a colorant dispersion comprising an acicular magnetite dispersion and a colorant dispersion with a latex, a wax dispersion, a crosslinked resin, and a coagulant.

Abstract: A toner process involving mixing a colorant dispersion comprising an acicular magnetite dispersion and a colorant dispersion with a latex, a wax dispersion, a crosslinked resin, and a coagulant.

Abstract: A toner comprised of a branched amorphous resin, a crystalline resin, and a colorant.

Abstract: A process for the preparation of emulsion aggregation toner particles with high pigment loading having a reduced number of wax protrusions on the surface of the toner particles and fewer coarse toner particles. The process includes the introduction of a wax having a molecular weight between about 500 and 2,500, or a blend of waxes having different a molecular weight between 500 and 2,500.

Abstract: Disclosed is a process for depositing marking material onto a substrate which comprises (a) providing a propellant to a printhead, said printhead having defined therein at least one channel, each channel having an inner surface and an exit orifice with a width no larger than about 250 microns through which the propellant can flow, said propellant flowing through each channel, thereby forming a propellant stream having kinetic energy, each channel directing the propellant stream toward the substrate, the inner surface of each channel having thereon a conductive polymer coating; and (b) controllably introducing a particulate marking material into the propellant stream in each channel, wherein the kinetic energy of the propellant stream causes the particulate marking material to impact the substrate.

Abstract: A toner process comprising heating an acidified dispersion of an acicular magnetite, a carbon black colorant dispersion, an optional wax dispersion, and an acicular latex.

Abstract: A toner process comprising mixing an acidified dispersion of an acicular magnetite with an anionic latex, an anionic carbon black dispersion, and an anionic wax dispersion.

Abstract: Disclosed is a process for depositing marking material onto a substrate which comprises (a) providing a propellant to a printhead, said printhead having defined therein at least one channel, each channel having an inner surface and an exit orifice with a width no larger than about 250 microns through which the propellant can flow, said propellant flowing through each channel, thereby forming a propellant stream having kinetic energy, each channel directing the propellant stream toward the substrate, the inner surface of each channel having thereon a conductive polymer coating; and (b) controllably introducing a particulate marking material into the propellant stream in each channel, wherein the kinetic energy of the propellant stream causes the particulate marking material to impact the substrate.