32results about "Duplicating/marking methods" patented technology

Described are pigmented inks comprising a liquid medium, a pigment, and a polyurethane dispersant, the pigment being stabilized by the polyurethane dispersant, and the ink being suitable for use in an ink jet printer.

A supported graphene device comprises at least one graphene feature of 1 to about 10 graphene layers having a predetermined shape and pattern, with at least a portion of each graphene feature being supported on a substrate. In some embodiments the device comprises graphene features supported on crystalline semiconductor substrate, such as silicon or germanium. The graphene features on a crystalline semiconductor substrate can be fabricated by forming an amorphous carbon doped semiconductor on the crystalline semiconductor substrate and then epitaxially crystallizing the amorphous semiconductor with carbon migration to the surface to form a graphene feature of one or more graphene layers. The epitaxy can be promoted by heating the device or by irradiation with a laser. Methods for fabricating graphene on a variety of substrates, over large areas with controlled thicknesses employ ion implantation or other doping techniques followed by pulsed laser annealing or other annealing techniques that result in solid phase regrowth are presented.

The present invention is an ink set for ink-jet recording using at least two kinds of inks comprising a first ink containing at least a pigment, a water-soluble solvent and water, and a second ink containing at least a pigment, a coagulant, a water-soluble solvent and water and having the absolute value of ζ-potential of not less than 10 mV. The present invention also provides an ink-jet recording method using the ink set for ink-jet recording, wherein an image is formed by applying the first ink and second ink on a recording medium so as to contact to each other. The present invention further provides an ink-jet recording apparatus comprising a recording head for ejecting at least the first ink and second ink.

According embodiments of the present disclosure, a water-based ink set for ink-jet recording is provided. The ink set may contain a black ink, a cyan ink, a magenta ink and a yellow ink. Each ink may contain a polyoxyethylene alkyl ether sulfonate.

A water-based ink for inkjet printing, including (A) an aqueous dispersion A of vinyl polymer particles prepared by including an oil-soluble black dye or carbon black in a water-insoluble vinyl polymer prepared by copolymerizing a salt-forming group-containing monomer (a), a monomer (b) represented by the formula (I):wherein R<1 >is hydrogen atom or a lower alkyl group; R<2 >is a divalent hydrocarbon group which may have a hetero-atom; R<3 >is a monovalent hydrocarbon group which may have a hetero-atom; p is a number of 1 to 60, a macromer (c), a monomer (d) copolymerizable with these monomers; and (B) an aqueous dispersion B of carbon black having the same ionicity as the aqueous dispersion A, wherein the weight ratio of the solid content of the aqueous dispersion A to the solid content of the aqueous dispersion B (the solid content of the aqueous dispersion A/the solid content of the aqueous dispersion B) is 5/95 to 95/5.

An inkjet recording ink set, which contains at least: a black pigment ink; and a color pigment ink, wherein the black pigment ink contains a black pigment treated with an anionic surfactant, and a black pigment coated with a resinous polymer, and water, and the black pigment ink is a pigment dispersion liquid where the black pigment treated with the anionic surfactant and the black pigment coated with the resinous polymer are dispersed in the water, and wherein the color pigment ink contains a color pigment, a nonionic surfactant, and water, and the color pigment ink is a pigment dispersion liquid where the color pigment is dispersed in the water with assistance of the nonionic surfactant.

A fluorescent image-printed article including a substrate, and an image formed on the substrate, wherein the image is formed from a fluorescent ink containing a binder, and a fluorescent substance which is dispersed in the binder, is capable of emitting fluorescence when irradiated with ultraviolet rays, and is substantially transparent to visible light, the fluorescent substance being formed of a rare earth complex containing, as a ligand, a compound represented by the following formula (1):

A water-based ink set for ink-jet recording is provided which is capable of: reducing graininess in a low-density printed part in a cyan direction without reducing the color reproduction range in the cyan direction in a high-density printed part; extending the color reproduction range in a blue direction and/or a green direction; improving the vividness of the blue color and/or the green color; and improving gas resistance in a printed part in the cyan direction. The water-based ink set for ink-jet recording includes a cyan pigment ink employing pigment as a coloring agent and a blue dye ink employing dye as a coloring agent and/or a green dye ink employing dye as a coloring agent. The cyan pigment ink is a light cyan pigment ink having a lightness (L*) of about 60 or more in the L*a*b* colorimetric system.

The invention discloses a packaging box printing process used for UV-flashing stereoscopic pattern printing. The packaging box printing process used for UV-flashing stereoscopic pattern printing comprises the following steps of printing proofing, specifically, a relevant printing pattern is sketched and drawn, a printing template is determined, and the pattern template is uploaded to hot-stampingequipment and printing equipment; fixation of a packaging box, specifically, the packaging box is fixed to a hot-stamping and printing position, and the to-be-printed face of the packaging box is fixed; determination of a hot-stamping position, specifically, laser positioning is conducted on the surface of the to-be-printed packaging box to guide the hot-stamping position; hot-stamping, specifically, the surface of the packaging box is hot-stamped through the hot-stamping equipment; secondary positioning, specifically, secondary positioning is conducted on a hot-stamped area through laser positioning equipment; pattern printing, specifically, the packaging box is locally printed with ink; and subsequent processing, specifically, the printed area is processed. According to the packaging boxprinting process used for UV-flashing stereoscopic pattern printing, the printing position is accurate, and the situation that deviation is likely to occur in the batched printing process, and consequentially, the printing quality is affected is avoided.

Provided are a resin composition which offers both high transparency and a low linear expansion coefficient and can be used as a material for a dry film, and also a dry film obtained from this composition, an optical waveguide, and a photoelectric composite wiring board. The resin composition for an optical waveguide includes: (A) an epoxy resin constituted by a solid epoxy resin with one or less hydroxyl group in a molecule, and a liquid epoxy resin with one or less hydroxyl group in a molecule; (B) a curing agent with one or less hydroxyl group in a molecule; and (C) a nanosize silica sol, and contains no compound including two or more hydroxyl groups in a molecule as a resin component.

Negative-working imageable elements are prepared with radiation-sensitive imageable layers that contain surface-modified silica particles such as fumed silica particles and sol-gel silica particles, that are present in an amount of from about 1 to about 40 weight %, have an average particle size of from about 1 to about 500 nm, have surface hydroxy groups, and have a carbon content of from about 0.5 to about 15 weight % that is derived from surface hydrophobic groups having 1 to 30 carbon atoms. The presence of the surface-modified silica particles provides improved abrasion resistance, reduced tackiness, and various other desired properties.

(Problem) Providing an ink composition, particularly an ink composition for use in inkjet recording, which can form an image with good adhesion and high quality and which is excellent in storage stability, and an inkjet recording method and a printed matter using it, as well as a lithographic plate which can record an image with no blot, high sensitivity and high adhesion to a recording medium and a method for making such plate. (Solving Means) The foregoing problem may be achieved by an ink composition comprising: (a) A cationically polymerizable compound; (b) a compound generating an acid by irradiation of radiant ray; and (c) plasticizer, particularly at least one ester compound selected from the group consisting of phosphate ester, dicarboxylic acid ester and tricarboxylic acid ester.

An ink jet recording method includes discharging a first ink composition onto a recording medium using a recording head, in which the first ink composition includes a coloring material, an alkane diol with 4 or more to 8 or fewer carbon atoms, a water-soluble solvent, and water; the recording head discharges the first ink composition using a piezoelectric element, and has a resolution per unit length of 200 dpi or more, and the recording medium has an absorbing layer on the surface thereof, in which a nonpolar component of a surface free energy of the absorbing layer is 20 mN/m or lower.

The invention is directed to a negative lithographic printing plate precursor including a support and an image-recording layer, wherein a layer containing a star polymer is provided between the support and the image-recording layer, and the star polymer is preferably a polymer in which from 3 to 10 polymer chains are branched from a central skeleton.

Methods and systems of fabrication of high resolution, high-throughput electrochemical sensing circuits on a substrate. High resolution electrochemical sensing circuits are printed by an effective additive technique to the substrate. Optionally, post-print annealing converts electrochemically inactive printed graphene into one that is electrochemically active. The printing can be by aerosol jet printing, but is not necessarily limited thereto. An example is inkjet printing and then the post-print annealing. Ink formulation would be adjusted for effectiveness with inkjet printing. Optionally biorecognition agents can be covalently bonded to the printed graphene for the purpose of electrochemical biosensing. High throughput fabrication of high-resolution graphene circuits (feature sizes in the tens of microns <50 μm) for electrochemical biosensing is possible by chemical functionalization of the graphene surface with a biological agent.

The invention relates to the technical field of touch screen production, in particular to a glass cover plate preparation process. The preparation process comprises the following steps: the first stepof rough shape cutting; the second step of CNC forming; the third step of first ultrasonic cleaning; the fourth step of first visual inspection; the fifth step of strengthening treatment; the sixth step of flat grinding treatment; the seventh step of second ultrasonic cleaning; the eighth step of plasma treatment of a glass cover plate; the ninth step of placing the glass cover plate in a printing fixed seat; the tenth step of automatically checking the glass cover plate for visual defects; the eleventh step of placing IR ink and alignment line ink in a printing frame; the twelfth step of starting a double scraper printing machine; the thirteenth step of drying and curing; the fourteenth step of third ultrasonic cleaning. The glass cover plate preparation process has the advantages of being high in production efficiency, capable of saving resource and energy and low in product defect rate.

The invention discloses a format-dividing printing method for a large-format wall face. The format-dividing printing method comprises the steps that the wall face is divided into a plurality of printing split faces, and each printing split face is marked; graph and text information needing to the printed on the wall face, graph and text information corresponding to all printing split faces and a printing software package are led into a printing robot; and the printing robot is used for printing on the wall face. According to the format-dividing printing method for the large-format wall face, graph and text drawing on the wall face can be effectively carried out, the labor participation is reduced, and time is saved.

An inkjet ink composition includes water (A), a resin (B), and an organic solvent (C) which has a boiling point of 250° C. or lower, satisfies Expression (C1), and has a nitrogen atom, in which a content mass ratio of the organic solvent (C) to a main resin in the resin (B) is 0.01 or greater and less than 2.0. In Expression (C1), SP_B represents an SP value of the main resin in the resin (B) in a unit of MPa^1/2, SP_C represents an SP value of the organic solvent (C) in the unit of MPa^1/2, and |SP_C−SP_B| represents an absolute value of a difference between SP_C and SP_B.

|SP_C−SP_B|≤10.0   Expression (C1)

The invention discloses an aluminum alloy section character printing process. The aluminum alloy section character printing process comprises the following steps that: 1) character printing is performed: character printing paper printed with characters and a plastic film are placed on an unreeling machine, and are printed by a character printing machine, an obtained plastic film is coated with polyurethane dissolved by acetone, and the plastic film is dried, so that the plastic film printed with characters can be obtained, and printing environment temperature is 150-160 DEG C; 2) section pretreatment is performed: a section is subjected to brushing washing, degreasing, water washing, pickling and water washing; 3) character attachment is performed: the plastic film printed with the characters is attached onto the aluminum alloy section, and the plastic film is scraped to be flat, so that air can be squeezed out, the plastic film can be tightly attached to the surface of the aluminum alloy section, the aluminum alloy section with the plastic film is aired for 10-12 hours, and is putted into a baking oven so as to be heated and baked for 30 minutes at the temperature of 250-400 DEG C, and then the aluminum alloy section with the plastic film is further baked for 1 hour after the temperature is adjusted to 200 DEG C; and (4) the baked aluminum alloy section is put into an oxidation pond so as to be subjected to acid pickling, then is cleaned with water, and finally the treated aluminum alloy section is subjected to blow-dried, polished, packaged and warehoused.

A metallic decoration method of decorating decoration objects with decoration ink containing a silver β-ketocarboxylate is shown. This metallic decoration method includes a printing process of performing printing on a decoration object 1 by ejecting decoration ink made by diluting a silver β-ketocarboxylate with a solvent from an inkjet head 11, and a heating process of heating the decoration object 1 after the printing process, thereby vaporizing the solvent while decomposing the silver β-ketocarboxylate into metallic silver, thereby forming a metallic decoration layer 2, and in the printing process, printing is performed on the decoration object 1 while the decoration object 1 is heated. In this metallic decoration method, a heating temperature of the decoration object 1 in the heating process is set so as to be equal to or higher than a heating temperature of the decoration object 1 in the printing process.

A treatment solution composition is provided and is a treatment solution applied to fabric and used in textile printing and contains a cationic compound, betaine, and water.

The preparation process comprises the following steps: firstly, carrying out oxidation treatment on a flexible substrate to change the hydrophilicity of the flexible substrate, and then carrying out ink-jet printing on a bottom layer circuit, namely a capacitor bottom electrode plate and an inductance coil, on the flexible substrate; after the bottom layer circuit is dried, the bottom layer circuit is covered with an insulating layer based on an ink-jet printing technology or a coating technology; preparing a water absorbing layer on the insulating layer; after the water absorption layer is subjected to surface modification treatment, a top circuit, namely a capacitor top electrode plate and a lead, is processed through an ink-jet printing technology, so that the lead is communicated with a bottom circuit, the capacitor bottom electrode plate, the capacitor top electrode plate and the water absorption layer between the capacitor bottom electrode plate and the capacitor top electrode plate form a flat humidity-sensitive capacitor, and the flat humidity-sensitive capacitor and an inductance coil form an LC resonance circuit. And completing the preparation of the flexible humidity sensor. The invention has the advantages of simple structure, flexibility, bendability, wearable application and the like, and is simple in preparation process, low in cost, green and environment-friendly in preparation process, and suitable for large-scale popularization and application.

The present invention provides compositions, such as varnishes, ink vehicles, and finished inks, having high bio-renewable carbon (BRC) content. The compositions comprise protein and colophony.

The invention provides a one-object one-code spray printing method based on coding information. The method comprise the following steps of inputting the coding information into image generation equipment so as to generate a coding image; carrying out first verification on the generated coding image, and if the acquired coding information is consistent with coding information stored in an image read device, inputting a generated coded data packet into spray printing equipment; analyzing the coded data packet by the spray printing equipment before the spray printing and carrying out second verification on the coding image, and if the current coding information acquired after analyzing is consistent with the coding information in the coded data packet, carrying out spray printing on the coding image. The system which uses the above method comprises the image generation equipment, the spray printing equipment equipped with the image read device and an external image read device. In the invention, when the coding image is generated and before coding image spray printing is performed, the coding image can be verified so as to ensure that the coding image before the spray printing is an effective coding image and avoid ineffective coding image generation.