Abstract:
Disclosed herein are ink compositions comprising at least one hyperbranched oligomer present in an amount ranging from about 3% to about 20% and having a functionality ranging from about 6 to about 40; at least one pigment present in an amount of at least about 10%; and at least one photoinitiator present in an amount ranging from 5% to 10%. Further provided herein are methods of printing using a variable data digital lithographic printing device.
Abstract:
A coating composition for an image transfer member in an aqueous ink imaging system. The coating composition includes at least one hydrophilic polymer, at least one hygroscopic material, at least one oil-in-water emulsion and at least one surfactant.
Abstract:
Disclosed herein are sacrificial coating compositions comprising at least one polymer chosen from polyvinyl alcohol and polyvinyl alcohol copolymers, a wax emulsion comprising at least one wax, at least one surfactant, at least one hygroscopic agent, and water. In certain embodiments, the at least one wax in the wax emulsion has a melting point approaching but just below the ink transfer temperature, such as, for example, a melting point ranging from about 50° C. to about 150° C. Also disclosed herein is a blanket material suitable for transfix printing comprising a sacrificial coating composition, as well as an indirect printing process comprising a step of applying a sacrificial coating composition to a blanket material.
Abstract:
An aqueous ink composition including water; a co-solvent; and an aqueous submicron colorant wax dispersion comprising a plurality of colorant wax particles comprising a colorant core surrounded by a wax shell, wherein the colorant wax particles exhibit a particle size distribution of from about 150 nanometers to less than about 300 nanometers; wherein the aqueous submicron colorant wax dispersion is prepared by (a) melting and mixing a dry colorant with at least one wax to form a colorant concentrate, wherein the colorant concentrate contains at least 25 percent by weight of colorant; (b) milling the colorant concentrate of step (a) to form a milled colorant concentrate; (c) combining the milled colorant concentrate of (b) with water and dispersing to form the colorant wax dispersion; wherein the melting and mixing of step (a) and the milling of step (b) is done in an immersion media mill or a horizontal mill; and wherein the combining of step (c) is done using a piston homogenizer.
Abstract:
The present disclosure provides an electron beam ink comprising a radiation curable material selected from the group consisting of a curable monomer, a curable oligomer, and mixtures thereof; and a surfactant, which is suitable for use in an indirect printing method. The present disclosure also provides a method of printing using an electron beam curable ink.
Abstract:
An aqueous ink for indirect printing applications including water; a co-solvent; a colorant; and a polymer latex comprising an aqueous dispersion of polymer particles wherein the polymer latex has a softening temperature of from about 60° C. to less than 105° C. and a glass transition temperature of from about 45° C. to about 100 C.
Abstract:
Personal care products for maintaining fingernail and toenail appearance. In particular, nail polish compositions that have a formulation that is both safer and more environmentally-friendly to use. The present nail polish compositions comprise anionic polyester resins such as sodio-sulfonated polyesters and sodio-sulfonated co-polyester-co-polysiloxane copolymers as base resin vehicles.
Abstract:
An aqueous latex ink includes a polymer latex having a particle size of less than about 100 nm. A method of making an aqueous latex ink includes emulsifying a polymer without the use of a surfactant to prepare a latex having a particle size of less than 100 nm. A method of printing an image on a substrate includes applying an aqueous latex ink to an intermediate receiving member using an inkjet printhead, spreading the ink onto the intermediate receiving member, inducing a property change of the ink, and transferring the ink to a substrate, wherein the ink comprises a latex having a particle size of less than about 100 nm.
Abstract:
A method of printing an image to a substrate includes applying an aqueous inkjet ink onto an intermediate receiving member using an inkjet printhead, optionally spreading the ink onto the intermediate receiving member, inducing a property change of the ink, and transferring the ink to a substrate, wherein the ink includes a curable oligomer. A method of printing an image to a substrate includes applying an aqueous inkjet ink onto an intermediate receiving member using an inkjet printhead, optionally spreading the ink onto the intermediate receiving member, inducing a property change of the ink, and transferring the ink to a substrate, wherein making the ink includes forming an aqueous mixture by adding a mixture of oligomers and a surfactant to a reactor containing a mixture of a humectant and an aqueous vehicle, heating and stirring the aqueous mixture, and homogenizing the aqueous mixture, forming the ink.
Abstract:
Methods for forming a latex are provided. In an embodiment, such a method comprises adding a monomer emulsion comprising water, a monomer, an acidic monomer, a multifunctional monomer, a first reactive surfactant, and a chain transfer agent, to a reactive surfactant solution comprising water, a second reactive surfactant, and an initiator, at a feed rate over a period of time so that monomers of the monomer emulsion undergo polymerization reactions to form resin particles in a latex, wherein the reactive surfactant solution does not comprise monomers other than the second reactive surfactant, the reactive surfactant solution does not comprise a resin seed, and the monomer emulsion does not comprise the resin seed. The latexes are also provided.