Abstract: The present invention relates to a polymer composition, which contains or consists of a matrix of at least one thermoplastic polymer capable of crystallization and, incorporated therein, at least one azine dye and at least one ion liquid. Said polymer composition is characterized in that the crystallization point relative to non-additivated polymer compositions is substantially reduced. The invention further relates to a corresponding additive composition for the crystallization and/or for the lowering of the crystallization point of thermoplastic polymers or polymer compositions capable of crystallization.

Abstract: The present invention relates to an inkjet ink including a photo-chromic colorant and a UV absorber. The ink may be used as a time-temperature indicator and is particularly useful in packaging food and/or drink to provide an indication of the quality of the contents.

Abstract: An aqueous inkjet ink contains: a) a color pigment; b) an alkoxylated fluorosurfactant; and c) an ethoxylated oligomer having a molecular weight smaller than 400; and has a static surface tension at 25° C. of no more than 28 mN·m; and a viscosity between 5 and 12 mPa·s at 32° C. at a shear rate of 1,000 s?1.

Abstract: A composition including a disperse dye and an aqueous carrier having a first polyol and a second polyol having at least 5 carbon has atoms, wherein the composition has a color fastness to water of at least 3 according to International Organization for Standardization test ISO 105-EO1:2010 when used in direct inkjet printing on a ready-to-print polyester textile.

Abstract: There is provided a water-based ink for ink-jet recording containing: a pigment; a surfactant; and water, wherein dynamic surface tension of the water-based ink measured under a condition of temperature of 25 degrees Celsius and lifetime of 10 ms is not less than 35 mN/m; and dynamic surface tension of the water-based ink measured under a condition of temperature of 25 degrees Celsius and lifetime of 50 ms is not more than 34.5 mN/m.

Abstract: An ultraviolet ray curable ink composition adapted to be ejected by using an ink jet method is provided. The ultraviolet ray curable ink composition includes a polymerizable compound, metal powder, and a liquid component having an alicyclic structure including a hetero atom. The metal powder is constituted from metal particles subjected to a surface treatment with a fluorine type silane compound and/or a fluorine type phosphoric acid ester as a surface treatment agent. An amount of the liquid component contained in the ultraviolet ray curable ink composition is in the range of 0.05 mass % or more but 7.0 mass % or less. A printed object is also provided. Such a printed object is produced by using the ultraviolet ray curable ink composition.

Abstract: An ink composition, a printer and a method for ejecting and aqueous fluid having a viscosity above about 1 Pa-sec at 25° C. from a fluid ejection head. The ink composition, printer and method include an aqueous fluid that contains an aqueous carrier component, solid particles ranging from about 8 wt. % to about 25 wt. % based on a total weight of the aqueous fluid, and a rheology modifier. A heater pulse signal applied to ejection heaters on a fluid ejection head for a period of time is sufficient to sputter fluid from fluid ejection nozzles associated with the ejection heaters and to shear the fluid thereby reducing the viscosity of the fluid from above about 1 Pa-sec to less than about 0.1 Pa-sec. A firing signal subsequently applied to the ejection heaters on the ejection head provides steady state fluid ejection from the ejection head.

Abstract: A method of printing on a hygienic article includes applying droplets of an ink composition with an ink jet printer to a surface of a hygienic article to form a desired image. The ink composition includes an organic solvent, a water-soluble binder resin including hydroxypropylcellulose, and a water-soluble dye. The image acts as a wetness indicator by dissolving in an aqueous fluid.

Abstract: A method of heat transfer printing using quantum dots is described. The method can be used to form an image using quantum dots on a substrate that is not easily printed using conventional printing techniques. Also described is a quantum dot ink formulation for heat transfer printing. The methods and materials can be used for anti-counterfeiting applications.

Abstract: A water-based ink for use in a computer-to-plate inkjet printing and a preparation method therefor. A polymer of 5 to 40 wt %, an additive of 0.01 to 10 wt %, a dye or pigment of 0.01 to 10 wt %, an organic solvent of 1 to 30 wt %, an anti-foaming agent of 0 to 5 wt %, and deionized water are stirred and mixed at room temperature. When the polymer is dissolved, the mixed solution is filtered. The filtrate is the water-based ink. The water-based ink is sprayed via a computer-to-plate machine onto a surface of a metal substrate (which may be an aluminum plate, a zinc plate, or a copper plate) to form a graphic region. A printing plate allowing for computer-to-plate printing is acquired after solidification. The printing plate acquired is allowed to achieve a halftone dot reproduction rate between 2 and 99% and a recognition rate of 175 lpi.

Abstract: A thermal ink jet ink composition includes one or more volatile organic solvents, wherein the one or more volatile organic solvents are selected from C1-C4 alcohols, C3-C6 ketones, C3-C6 esters, C4-C8 ethers, and mixtures thereof; one or more humectants, wherein the humectants are present in an amount not more than 30% by weight of the ink composition; one or more binder resins; and one or more dyes. The ink composition is suitable for use in a thermal ink jet printer and the ink composition has a slow rate of kogation such that it is capable of being printed at least 10 million drops per nozzle from the thermal ink jet printer before drop weight of the ink composition is reduced by more than 10%.

Abstract: Inkjet ink formulations and methods using the same, with improved performance, wherein the inks are formulated to work as an ink set with darker inks having a higher dynamic surface tension.

Abstract: Disclosed is an ink jet ink composition suitable for printing on substrates holding high static electrical charges such as polyethylene and PVC films and tubes. The ink jet ink composition comprises an organic solvent having a boiling point greater than 56° C., a binder resin soluble in the organic solvent, a colorant soluble in the organic solvent, and a polyvinylbutyral resin. Also disclosed is a method of printing images on such plastic substrates and a method for reducing microsatellite formation during ink jet printing. The ink jet ink composition provides improved print quality and reduced need for cleaning the nozzle.

Abstract: Disclosed is an ink jet ink composition suitable for printing on substrates such as glass and metal. The ink jet ink composition comprises two or more organic solvents at least one of which is an alcohol, three or more binder resins comprising nitrocellulose, a thermoplastic polyurethane, and a polyvinylbutyral resin, two or more adhesion promoters, and a soluble colorant. Also disclosed is a method of printing images on such glass and metal substrates. The ink jet ink composition provides improved print quality and reduced need for cleaning the nozzle.

Abstract: An ink jet printing method and apparatus are provided which, even when an ink containing a colorant with a coagulating property is applied to a glossy print medium; enable to keep the glossiness of the print medium from being degraded. For this purpose, when forming an image on a glossy print medium, a coagulation inhibiting liquid for inhibiting a coagulation of ink is applied to at least a part of an area on the print medium where the ink is applied. This suppresses the coagulation of ink on the print medium surface and assures a quick spreading and soaking of ink. As a result, the surface of the glossy print medium can be kept smooth, retaining its glossiness.

Abstract: Disclosed is an ink composition, particularly an ink jet ink composition, comprising one or more organic solvents, one or more solvent-soluble binder resins, and a water-insoluble quinone dye, wherein the quinone dye is present in the ink composition in a dissolved state and the ink composition is a single phase ink composition. Also disclosed is a method of printing images on a substrate employing the ink composition.

Abstract: The present invention pertains to an aqueous inkjet ink set based on disperse dye colorants and, more particularly, to such an inkjet ink set particularly suitable for printing on polyester and polyester blend textiles, such as automotive textile stock, so that the printed fabric is colorfast when exposed to light.

Abstract: Disclosed is an ink composition, particularly an ink jet ink composition, comprising one or more organic solvents, one or more solvent-soluble binder resins, and a water-insoluble quinone dye, wherein the quinone dye is present in the ink composition in a dissolved state and the ink composition is a single phase ink composition. Also disclosed is a method of printing images on a substrate employing the ink composition.

Abstract: Disclosed is an ink jet ink composition having reduced ink buildup on the printer nozzle plate. The ink jet ink composition comprises a non-conductive solvent, one or more binder resins that are soluble in the non-conductive solvent, and a colorant soluble in the non-conductive solvent. Also disclosed is a method of printing on statically charged substrates. The ink jet ink composition provides one or more advantages: reduced ink buildup on the printer nozzle, reduced down time or cleaning time, and improved print quality.

Abstract: Disclosed is an ink jet ink composition suitable for printing on substrates such as glass and metal. The ink jet ink composition comprises two or more organic solvents at least one of which is an alcohol, three or more binder resins comprising nitrocellulose, a thermoplastic polyurethane, and a polyvinylbutyral resin, two or more adhesion promoters, and a soluble colorant. Also disclosed is a method of printing images on such glass and metal substrates. The ink jet ink composition provides improved print quality and reduced need for cleaning the nozzle.

Abstract: Disclosed is an ink jet ink composition suitable for printing on substrates holding high static electrical charges such as polyethylene and PVC films and tubes. The ink jet ink composition comprises an organic solvent having a boiling point greater than 56° C., a binder resin soluble in the organic solvent, a colorant soluble in the organic solvent, and a polyvinylbutyral resin. Also disclosed is a method of printing images on such plastic substrates and a method for reducing microsatellite formation during ink jet printing. The ink jet ink composition provides improved print quality and reduced need for cleaning the nozzle.

Abstract: A no-mess water-based ink including a composition including water, an organic solvent, a coloring agent dissolved in the organic solvent, an emulsifier and a thickening agent for use in conjunction with a specially treated substrate containing a color developer.

Abstract: A peelable stenciling ink for imprinting indicia such as letters, numbers and symbols on a surface of an article such as a sport ball made of leather or a synthetic polymer, e.g., a thermoplastic material, consists of a solvent, a dye dispersed in the solvent, and a film-forming polymer soluble in the dye-solvent solution to form a thick paste and hardenable into a solid, flexible film upon evaporation of the solvent from a thin layer of ink applied to an article surface.

Abstract: An ink composition for continuous deflected jet printing that is liquid at room temperature and that contains: a binder; one or more dyes and/or pigments; and a solvent; wherein the said solvent contains more than 70% by weight—relative to the total weight of the ink—of propylene carbonate, and less than 10% by weight, preferably less than 5%, more preferably less than 1% and best 0% by weight of water.

Abstract: A pseudoplastic water based ink for a ball-point pen comprising at least a colorant, water and an associative type viscosity control system, whereby the viscosity of the ink is comprised in a range from 20 to 40 mPa.s, when it is subjected to a shear rate of 1000 s?1, and between 10,000 and 12,000 mPa.s, when the shear rate is 1 s?1.

Abstract: A golf ball 1 has a core 2, a cover 3, a mark layer 4, and a finishing coat layer 5. An ink used for the mark layer 4 includes an isocyanate curing agent that contains a diisocyanate trimer, a base material, and a colorant. Preferred curing agent contains an isophorone diisocyanate trimer. The ink includes a diisocyanate curing agent at equal to or greater than 1% by weight and equal to or less than 20% by weight, calculated on the basis of the solid content. The base material includes a polymer having a hydroxyl group as a principal component. The “NCO/OH” value, which is a ratio of isocyanate groups of the isocyanate curing agent and hydroxyl groups of the base material, is equal to or greater than 0.5 and equal to or less than 2.0. The mark layer 4 may be printed on a base coat layer, alternatively, may be printed on a crosslinked rubber. This ink has excellent adhesiveness to a base.

Abstract: A pseudoplastic water based ink for a ball-point pen comprising at least a colorant, water and an associative type viscosity control system, whereby the viscosity of the ink is comprised in a range from 20 to 40 mPa.s, when it is subjected to a shear rate of 1000 s−1, and between 10,000 and 12,000 mPa.s, when the shear rate is 1 s−1.

Abstract: The invention relates to a liquid composition measurement method. One embodiment of the method comprises the steps of: i) subjecting a liquid composition containing fine particles and a solvent to the following pretreatment steps (a) to (c) to form an agglomerate of fine particles: (a) evaporating the solvent of the liquid composition at 120° C. for 10 hours in an ambient atmosphere, and drying the liquid composition; (b) burning the dried liquid composition resulting from the pretreatment step (a) at 700° C. after raising the temperature from 120° C. to 700° C. over one hour; (c) cooling a burned product obtained in the pretreatment step (b) to room temperature, powdering the burned product to obtain agglomerates of the fine particles; and ii) vacuum degassing the agglomerates at 120° C. for 8 hours, and measuring physical properties of pores of the agglomerates by a nitrogen adsorption and desorption method.

Abstract: An ink composition comprising at least one color suitable for food use and a liquid vehicle including water and an organic solvent miscible with water in a volumetric ratio variable from 3:1 to 1:10, wherein the organic solvent is ethanol or a mixture ethanol:acetone in a volumetric ratio variable from 1:2 to 3:1; this ink composition is suitable, in particular, even though not exclusively, for surface coloring and printing on supports, wrappings and objects intended for coming into contact with foods.

Abstract: An ink composition is provided which is suitable for use in an ink jet printer and comprises solvent, colourant and binder, wherein the solvent comprises methyl acetate. The composition is particularly suitable for printing on polymeric substrates, eg polypropylenes and polyethylenes.

Abstract: The present invention provides an ink jet ink composition suitable for use in continuous ink jet printing comprising a liquid vehicle, a binder resin, a colorant, and optionally a surfactant. The liquid vehicle includes an organic solvent or blend of solvents having an evaporation rate less than about 1.2, relative to n-butyl acetate standard which has an evaporation rate of 1.0. The present invention further provides a method for eliminating or reducing make-up consumption in continuous ink jet printing. The present invention further provides a process of continuous ink jet printing which is free or substantially free of make-up consumption.

Abstract: A fluorescent marking stain for marking items is formulated from a resin present in a concentration of about 1 percent to about 5 percent of the stain, an active solvent for and compatible with the resin present in a concentration of about 40 percent to about 50 percent of the stain, a dye solvent present in a concentration of about 20 percent to about 30 percent of the stain, a diluent present in a concentration of about 10 percent to about 20 percent of the stain, an adhesion promoter present in a concentration of about 1 percent to about 5 percent of the stain, an optical brightener present in a concentration of about 1 percent to about 5 percent of the stain and a fluorescent dye present in a concentration of about 0.2 percent to about 5 percent of the stain. A marking pen for use with the marking stain is also disclosed.

Abstract: This invention concerns inks for use in ink-jet printers for printing on to impervious or non-porous substrates such as, for example, glass, ceramics, plastics such as, for example, polycarbonate, polyvinyl chloride, cellulose acetate butyrate, and metals. The inks comprise a resin and two solvents having different evaporation rates. The inks dry quickly without the need for heat.

Abstract: The present invention provides a jet ink composition suitable for printing watermarks on paper substrates. The jet ink composition comprises a solvent and a translucentizing agent. An example of a translucentizing agent is sucrose acetate isobutyrate. The present invention further provides a method of ink jet printing watermark on an object comprising projecting a stream of droplets of the ink composition and controlling the direction of the stream so that the droplets form the watermark on the object. The method of the present invention has the advantage that it provides high speed watermarking capability. The method provides a further advantage that it is economical in changing the design of watermarks. The method is versatile and allows changes in the design of watermarks to be incorporated readily.

Abstract: A fluorescent marking stain for marking items is formulated from a resin present in a concentration of about 1 percent to about 5 percent of the stain, an active solvent for and compatible with the resin present in a concentration of about 40 percent to about 50 percent of the stain, a dye solvent present in a concentration of about 20 percent to about 30 percent of the stain, a diluent present in a concentration of about 10 percent to about 20 percent of the stain, an adhesion promoter present in a concentration of about 1 percent to about 5 percent of the stain, an optical brightener present in a concentration of about 1 percent to about 5 percent of the stain and a fluorescent dye present in a concentration of about 0.2 percent to about 5 percent of the stain. A marking pen for use with the marking stain is also disclosed.

Abstract: An ink is provided which is capable of giving higher density of the printed image and has improved color developability with the light fastness and image stability maintained, and suppressing occurrence of bleeding in color image formation. The ink contains a capsuled coloring material constituted of a water-insoluble coloring material and an organic polymer covering the coloring material, the capsuled coloring material containing the organic polymer at a content ranging from 1% by weight to 20% by weight.

Abstract: A thermoresponsive coloring formulation for use on a reimageable image carrier is provided. An image may be created by exposing the thermoresponsive coloring formulation to heat and erased by exposing it to white light. A screen coated with an uncured stencil coating is placed in registration with the image carrier. The screen and image carrier are exposed to a curing agent which is prevented from passing beyond the image carrier in those areas covered by the image, while the areas of the coated screen that are exposed to the curing agent are hardened by the curing agent. After the stencil coating has been hardened in the desired areas, the screen is removed, and the uncured stencil coating is rinsed away from the screen, leaving a portion of the screen with open pores through which ink can flow.

Abstract: The present invention provides a transparent or colorless coating comprising a heat responsive material that increases in opacity when exposed to heat. An example of a heat responsive material is an inorganic compound or an organic resin. The present invention further provides a coating composition comprising a carrier and a heat responsive material. The coating can further include additives such as an adhesion promoter, a defoamer, a crosslinking agent, a plasticizer, a humectant, a pH adjuster, a biocide, a co-solvent, a surface tension modifier, and/or a combination thereof. The present invention further provides a method for creating a mark on a substrate comprising providing to the substrate the transparent coating to obtain a coated substrate and exposing a selected area of the coated substrate to heat, e.g., a laser, to create the mark. The present invention further provides substrates suitable for laser marking.

Abstract: The present invention is directed to aqueous based ink compositions for ink jet printing on offset media and offset ink comprising various combinations of nonionic surfactants. Such formulations include effective amounts of an ink colorant and a nonionic surfactant having an HLB value from about 4 to 14. Optionally, additional nonionic surfactants, solvents, and binders can be added. In another formulation, an effective amount of an ink colorant, at least two nonionic surfactants, each being present at from about 0.01% to 10% by weight (preferably 0.01% to 2% by weight) and an effective amount of at least one binder (such as an acrylate binder) is disclosed.

Abstract: The present invention is directed to aqueous based ink compositions for ink jet printing on offset media and offset ink comprising combinations of dye-based and pigment-based colorants, and optionally surfactants. Optionally solvents and binders can be also added. In another formulation, an effective amount of the combination of ink colorants, at least one surfactant, being present at from about 0.1% to 1.5% by weight and an effective amount of at least one binder (such as an acrylate binder) is disclosed.

Abstract: An ink composition is provided which is suitable for use in an ink jet printer and comprises solvent, colourant and binder, wherein the solvent comprises methyl acetate. The composition is particularly suitable for printing on polymeric substrates, eg polypropylenes and polyethylenes.

Abstract: An aqueous ink for a ball-point pen which is stable over time and has high pigment dispersion stability, includes a pigment, a water-soluble organic solvent, water, xanthane gum of about 0.01 to about 0.2 wt. % and a sodium alginate of about 0.2 to about 0.6 wt. % of a total amount of the ink.

Abstract: The present invention relates to a textile ink-jet printing-purpose disperse dye micro-emulsion agent, which uses dispersing agents such as sodium polynaphthalene formaldehyde sulfonates, surfactants such as POE NP ether, and silicone derivative emulsion-type defoaming agents and bactericidal fungicidal agents for ink-jet CMYK four-color disperse dyes forming a stable dye micro-emulsion through micro-jetting homogenized emulsifier. This invention focuses on the disperse dyes suitable for polymers, applying a low-cost environmentally protective micro-emulsion agent in the ink protection technology so that the O/W model becomes a stable and homogenized system. This gives the textile ink-jet printing-purpose disperse dye micro-emulsion agent, with a dye particle diameter lying below 300 nm and high storage stability, rinse, sublimation, and light fastness over 4.

Abstract: A aqueous ink for a ball-point pen which is stable over time and has high pigment dispersion stability, includes a pigment, a water-soluble organic solvent, water, xanthane gum of about 0.01 to about 0.2 wt. % and a sodium alginate of about 0.2 to about 0.6 wt. % of a total amount of the ink.

Abstract: The present invention provides a transparent or colorless coating comprising a heat responsive material that increases in opacity when exposed to heat. An example of a heat responsive material is a silicate or a titanate. The present invention further provides a coating composition comprising a carrier and a heat responsive material. The coating can further include additives such as adhesion promoters, surface tension modifying agents, crosslinking agents, or plasticizers. The present invention further provides a method for creating a mark on a substrate comprising providing to the substrate the transparent coating to obtain a coated substrate and exposing a selected area of the coated substrate to heat, e.g., a laser, to create the mark. The present invention further provides substrates suitable for laser marking.

Abstract: An action of the preventing drying at a pen tip without using water-soluble organic solvents such as glycols, glycerin and glycol ethers which have so far been used for a water based ink for a ball point pen is allotted to at least one selected from the group consisting of a reducing sugar comprising maltitol as a principal component, a reducing sugar comprising sorbitol as a principal component, reducing dextrin, reducing maltodextrin, &agr;-cyclodextrin, &bgr;-cyclodextrin and maltosylcyclodextrin, and the actions of inhibiting feathering of the drawn lines, improving discharge stability of the ink and maintaining the lubricity are allotted to at least one selected from the group consisting of an alkylene oxide adduct of polyglycerin, an alkylene oxide adduct of glycerin and an alkylene oxide adduct of trimethylolpropane.