摘要:
The present embodiments relate to a method of watermarking using a curable gel ink, and in particular, the curable gel ink is an ultraviolet (UV) curable gel ink that can be used in digital printing methods such as ink jet printing. The present embodiments provide improved scratch and rub resistance for watermarks formed with the UV curable gel ink formulations.
摘要:
Positive and negative stamp masters derived from UV curable ink molds comprising ultraviolet (UV) curable inks and methods for digitally preparing those stamp masters. In particular, the digitally prepared molds provide a method of printing micropatterns of fine variable features or images in a more efficient manner than the methods currently available.
摘要:
Disclosed is a radiation curable solid ink composition comprising: (a) a curable wax; (b) at least one curable monomer, oligomer, or prepolymer; (c) at least one photoinitiator; and (d) a pigment colorant; wherein the ink is a solid at a first temperature of about 25° C. or lower; and wherein the ink is a liquid at a second temperature of about 40° C. or higher; said ink being curable by free-radical polymerization.
摘要:
A process for making a resin emulsion suitable for use in forming toner particles including an oil component incorporated into the latex core of the toner particles.
摘要:
A system and method create an authentication mark on a recording medium by depositing marking material on a medium in an image area to create a marking material image and to create a marking material authentication image. The marking material comprises an ultraviolet curable phase change ink composition comprising an optional colorant and a phase change ink vehicle comprising a radiation curable monomer or prepolymer; a photoinitiator; a reactive wax; and a gellant. A predetermined amount of additional marking material is further deposited upon the medium in the authentication image area to increase an amount of marking material associated with the marking material authentication image in the authentication image area. The fixed marking material associated with the authentication image area is a tactilely perceptible authentication mark having a height, with respect to a surface of the medium, that is tactilely perceptible, wherein the fixed marking material associated with the marking material image area is tactilely non-perceptible.
摘要:
An electrophoretic display medium includes one or more set of colored particles in a dielectric fluid, wherein at least one of the one or more set of particles are particles having acid functionality imparting a substantially uniform negative charge to the particles. The display medium is included in an electrophoretic display device by including the medium in a multiplicity of individual reservoirs of a display layer or layers that is located between conductive substrates.
摘要:
Set forth is a method of forming an electrophoretic display device that includes locating a multiplicity of individual reservoirs containing a display fluid between conductive substrates, at least one of which is transparent, to form a device, wherein the display fluid comprises at least two sets of particles in a liquid medium, the at least two sets of particles exhibiting a different color, and charging each of the sets of particles to have a different charge via application of an electric field to the device. This field induced charging of the sets of differently colored particles enables low conductivity particles with superior electrophoretic mobility to be achieved.
摘要:
A process for latex preparation including: a first heating of a mixture of at least one free radical polymerizable monomer compound, a free radical initiator compound, and a stable free radical compound to form a latomer mixture with from about 1 to about 8 percent conversion of the monomer compound to an oligomeric compound of the formula I—R′—SFR, wherein R′ is an oligomer comprised of from about 1 to about 30 monomer units, I— is a covalently bonded free radical initiator fragment arising from the free radical initiator compound, and —SFR is a covalently bound stable free radical group; dispersing the resulting latomer mixture in water with high shear to form a miniemulsion; and a second heating of the miniemulsion, wherein there results a high stability polymer particle latex which contains a polymer with a high monomer to polymer conversion of from about 98 to about 100 weight percent and a narrow polydispersity of from about 1.1 to about 2.0.
摘要:
A process for the preparation of resin particles comprising: heating a mixture comprised of a free radical initiator compound, at least one stable free radical compound, at least one free radical polymerizable monomer compound, and at least one free radical polymerizable crosslinking compound; and cooling the mixture, wherein the resulting product resin particles are crosslinked and are comprised of polymerized monomers and at least one crosslinking compound, and wherein the particles have a narrow particle size distribution, a narrow pore size distribution, and a high monomer to polymer conversion.
摘要:
A process for the preparation of a resin comprising:heating a mixture of at least one free radical polymerizable monomer, a free radical initiator compound, a stable free radical compound, and a reducing agent.