Abstract: A phase change ink composition is disclosed. The phase change ink composition comprises a crystalline component and an amorphous component. At a temperature ranging from about 40° C. to about 80° C., the phase change ink simultaneously exhibits (i) a static force ranging from about 2 N to about 4.5 N, and (ii) a storage modulus ranging from about 300 MPa to about 700 Mpa. The crystalline component is not a wax. A method of predicting spreading performance of a phase change ink is also disclosed.

Abstract: A solid ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the solid ink composition comprises both a crystalline compound and an amorphous compound, and optionally, in combination, an organic pigment, which provides for a robust, rapid crystallization ink composition.

Abstract: A phase change ink composition is provided comprising a UV-curable component, a crystalline component, and an amorphous component, wherein the addition of a UV-curable component imparts improved robustness over the ink that contains only crystalline and amorphous materials.

Abstract: A phase change ink includes a crystalline component and an amorphous component, the amorphous component including a branched alkyl core and a urea functional group.

Abstract: A phase change ink composition is disclosed. The phase change ink composition comprises a crystalline component and an amorphous component. At a temperature ranging from about 40° C. to about 80° C., the phase change ink simultaneously exhibits (i) a static force ranging from about 2 N to about 4.5 N, and (ii) a storage modulus ranging from about 300 MPa to about 700 Mpa. The crystalline component is not a wax. A method of predicting spreading performance of a phase change ink is also disclosed.

Abstract: A photovoltaic device is disclosed. The photovoltaic device includes a substrate, an anode, a cathode, and a semiconducting bilayer. The bilayer is composed of a first continuous sublayer and a second continuous sublayer. The first sublayer includes a first polymorph of a metallophthalocyanine. The second sublayer includes a second polymorph of the same metallophthalocyanine. The complementary absorption profiles of the polymorphs result in a device having greater absorption and efficiency, improving performace of the photovoltaic device.

Abstract: A phase change ink includes a crystalline component and an amorphous component, the amorphous component including a branched alkyl core and a urea functional group.

Abstract: A photovoltaic device is disclosed. The photovoltaic device includes a substrate, an anode, a cathode, two semiconducting layers, and an electron transporting layer. The first semiconducting layer comprises a first metallophthalocyanine. The second semiconducting layer includes a blend of a second metallophthalocyanine with an electron acceptor. The second semiconducting layer is located between the first semiconducting layer and the electron transporting layer. The first and second metallophthalocyanines have different valences. The complementary absorption profiles of these layers result in a device having greater absorption and efficiency than expected, without the need for a recombination layer or the need to match current between layers.

Abstract: A phase change ink composition is provided comprising a UV-curable component, a crystalline component, and an amorphous component, wherein the addition of a UV-curable component imparts improved robustness over the ink that contains only crystalline and amorphous materials.

Abstract: An ink composition including one or more ester resins, the ink composition containing an optional colorant; at least one crystalline phase-change agent; an amorphous binder agent; and optionally one or more additives; where the at least one amorphous binder agent includes at least one ester compound.

Abstract: A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet 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 dye-based solid ink with excellent robustness when forming images or printing on coated paper substrates as well as excellent lightfastness.

Abstract: An orange radiation curable ink including at least one curable monomer, at least one organic gellant, at least one photoinitiator, and at least one colorant, wherein the ink exhibits a reflectance on a substrate at a loading of from about 2 mg/inch2 to about 7 mg/inch2 that ranges from 0% to about 10% at a wavelength of 550 nm and that ranges from 85% to about 95% at a wavelength of about 660 nm, substantially matches PANTONE® Orange.

Abstract: A phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises both a crystalline compound and an amorphous compound which are derived from bio-renewable materials. The composition provides for a robust, rapid crystallization ink composition.

Abstract: An ink composition including one or more ester resins, the ink composition containing an optional colorant; at least one crystalline phase-change agent; an amorphous binder agent; and optionally one or more additives; where the at least one amorphous binder agent includes at least one ester compound.

Abstract: A lightfast green radiation curable ink including at least one curable monomer, at least one organic gellant, at least one photoinitiator and at least one colorant, where the colorant exhibits a reflectance on a substrate at a loading of from about 2 mg/inch2 to about 7 mg/inch2 that ranges from 50% to about 60% at a wavelength of 500 nm and that ranges from 0% to about 10% at a wavelength of about 600 nm which substantially matches Pantone green.

Abstract: A violet radiation curable ink including at least one curable monomer, at least one organic gellant, at least one photoinitiator, and at least one colorant, wherein the ink exhibits a reflectance on a substrate at a loading of from about 2 mg/inch2 to about 7 mg/inch2 that ranges from 50% to about 60% at a wavelength of 500 nm and that ranges from 0% to about 10% at a wavelength of about 600 nm. Also, the violet ink substantially matches PANTONE® Violet.

Abstract: A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet 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 dye-based solid ink with excellent robustness when forming images or printing on coated paper substrates as well as excellent lightfastness.

Abstract: A phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises both a crystalline component and an amorphous component which are derived from bio-renewable materials. The composition provides for a robust, rapid crystallization ink composition.

Abstract: A phase change ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the phase change ink composition comprises both a crystalline compound and an amorphous compound which are derived from bio-renewable materials. The composition provides for a robust, rapid crystallization ink composition.

Abstract: A solid ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the solid ink composition comprises both a crystalline compound and an amorphous compound, and optionally, in combination, an organic pigment, which provides for a robust, rapid crystallization ink composition.