351results about How to "Good ink absorption" patented technology

The present invention provides a method for forming a flexographic printing plate that includes imagewise applying an image-forming material onto a substrate with an ink-jet printer to form a relief image, in which the image-forming material adheres to the surface of the substrate and resists deformation. The method of the present invention may further include treating the relief image.

Disclosed is an inkjet recording sheet having a colorant-receiving layer on the surface of its support, in which the colorant-receiving layer contains at least one of compounds represented by the following general formula (1) and compounds represented by the following general formula (2), and contains a vapor-phase-process silica, a polyvinyl alcohol, a boron compound, and a mordant. In the formulae, R represents a saturated hydrocarbon group having from 1 to 12 carbon atoms, an unsaturated hydrocarbon group having from 1 to 12 carbon atoms, a phenyl group, or an acyl group, and n indicates an integer of 1 to 3. <paragraph lvl="0"><in-line-formula>RO(CH2CH2O)nH (1) </in-line-formula><paragraph lvl="0"><in-line-formula>RO(CH2CH(CH3)O)nH (2) </in-line-formula>

The invention relates to a flame-retardant transparent floor film and a production technology thereof. The flame-retardant transparent floor film is prepared by treating the following main raw materials in parts by weight: 100 parts of PVC (Poly Vinyl Chloride) resin powder, 15 to 30 parts of a main plasticizer, 4 to 8 parts of a fire-retardant plasticizer, 4 to 6 parts of a stabilizer, 6 to 12 parts of an inorganic filler, and 2 to 4 parts of epoxidized soybean oil by a PVC die rolling technology. By adopting the flame-retardant transparent floor film and the production technology thereof, the conflict between the flame retardant performance, the transparence and the jet-printing performance is solved; the inorganic fillers are adopted, thus micromolecules separated by the liquid fire-retardant plasticizers are easily absorbed, and ideal transparence and the jet-printing performance can be provided for the product under efficient flame retardant performance; in addition, the generation of phenomena of wheel adhering, albinism and hard coiling can be effectively avoided by utilizing the flame-retardant transparent floor film; and simultaneously, the flame-retardant transparent floor film is excellent in wear resistance.

The invention relates to a mineral-fiber-filled high-strength environment-friendly rich mineral paper. The rich mineral paper is prepared by combining high-density polyethylene, linear low-density polyethylene resin, inorganic powder, non-metallic mineral fiber, a foaming agent, an antioxidant, a light stabilizer and additives as raw materials. The rich mineral paper comprises the following components in parts by weight: 10-15 parts of high-density polyethylene, 10-15 parts of linear low-density polyethylene resin, 65-75 parts of inorganic powder, 5 parts of non-metallic mineral fiber, 0.1-0.2 part of a foaming agent, 0.1-0.2 part of an antioxidant, 0.1-0.2 part of a light stabilizer and 0-2 parts of additives, wherein the total sum of the amount of the materials as the reference starting materials is 100 parts by weight. The preparation method comprises the steps of blending, mixing, granulating and molding. By virtue of the method disclosed by the invention, the dimensional stability, heat resistance, chemical resistance, flame resistance, electrical insulation and other properties of the rich mineral paper are improved. Due to the adoption of a three-layer co-extrusion process, the specific surface area is large, the specific weight is reduced, and the hardness, paper feeling, printing effect and ink absorption property are improved.

The invention belongs to the field of transfer paper and particularly relates to a piece of thermal sublimation and transfer digital paper with high ink suction amount. The thermal sublimation and transfer digital paper comprises a piece of substrate paper, a hydrophobic layer coated on the surface of the substrate paper, an ink suction layer coated on the surface of the hydrophobic layer, and a surface layer on the upper surface of the ink suction layer. In terms of calculation by weight, the ink suction layer is a composite material of an inorganic material and cationic polyacrylamide cellulose interpenetrating network resin, wherein the inorganic material is one or a combination of two of porous silicon dioxide or porous calcium carbonate or porous alumina. The hydrophobic layer is organosilicone modified acrylic resin. According to the thermal sublimation and transfer digital paper, the composition material which is one or the combination of two of the porous silicon dioxide or the porous calcium carbonate or the porous alumina is added into the ink suction layer, the solid porous structure can rapidly and sufficiently absorb dye molecules, and the ink suction amount of the thermal sublimation and transfer digital paper is remarkably increased.

Photo-stage high brightness water-proof color ink-jet printing paper includes a basic material and a coat coated on it characterizing that said coat contains nm modified Al2O modified by a strong anode ion dispersing agent and a bonder, since the coat contains modified Al2O with the diameter of 30-80nm and inorganic silicon sol with the diameter smaller than 20nm, the invented paper can either absorb water ink or make the ink not to disperse.

In a recording medium having a porous ink-receiving layer containing alumina hydrate of boehmite structure formed on a base material, the alumina hydrate has crystallinity ranging from 15 to 80 and microcrystals of the alumina hydrate are directed to be parallel to a plane direction of the ink-receiving layer at a parallelization degree of not less than 1.5. The recording medium is employed in an ink-jet recording method conducting printing by ejecting ink droplets through an orifice onto the recording medium.

A process for producing the recording medium comprises the steps of: applying a coating liquid containing alumina hydrate of boehmite structure with shearing stress onto a base material; and drying the coated material to obtain a degree of parallelization of a microcrystal of the alumina hydrate with a plane direction of the ink-receiving layer of not less than 1.5.

The color ink-jetting print paper is produced with bleached sulfate needle leaved wood pulp, mechanical milled Italian poplar, bleached sulfate reel pulp or bleached broadleaf wood pulp and proper supplementary material and through making base paper, applying AKD glue, painting special paint, soft roller burnishing and finishing. The color ink-jetting print paper product has areal weight 70-100 g/sq m, black light density not lower than 1.2, drying time less than 20 s, color optical density not lower than 0.75, ink water dispersing time not less than 60 s, and whiteness higher than 88 %. Ithas high surface strength, and is level and smooth and results in images with bright color and clear netted points. It is suitable for color jetting printing.

A recording sheet for ink jet printing is described, which consists of a support having coated onto said support at least two ink-receiving layers, wherein the ink-receiving layer situated next to the support contains nanoporous silicon dioxide with a positively charged surface and at least one binder and the ink-receiving layer situated further away from the support contains nanocrystalline, nanoporous aluminium oxide or aluminium oxide/hydroxide and at least one binder and, optionally, nanoporous silicon dioxide with a positively charged surface.

According to the present invention there is provided a method for preparing a lithographic printing plate, the method including the steps of(1) providing an imaging element including on a lithographic hydrophilic support as contiguous top layer a heat-sensitive coating including a compound capable of converting light to heat and a compound, which becomes more hydrophilic under the action of heat;(2) imagewise exposing the imaging heat-sensitive composition with a high intensity laser emitting a laser beam with an intensity at the surface of the heat-sensitive composition of tat least 2 mW/mum2 thereby at least partially removing the heat-sensitive composition to expose at least partially the lithographic support.

This invention discloses a method for preparing special nanoscale calcium carbonate for ink. The method comprises: calcining natural calcium carbonate, slaking, carbonzing, coating by a coating agent, vacuum-filtering and drying to obtain nanoscale calcium carbonate. The initial carbonization temperature is 15-40 deg.C, and crystal-morphology regulator and dispersant are added during carbonization. The coating agent is resinic acid and its derivatives. The obtained nanoscale calcium carbonate has such advantages as high dispersibility, good transparency, good luster, good ink absorbency and high dryness.

The invention relates to the technical field of sublimation transfer printing, discloses self-adhesive quick-drying sublimation transfer printing digital paper. The paper includes, from the bottom to the top, a base material sheet (1), a hydrophobic layer (2), a water-absorbing layer (3), an ink-absorbing layer (4) and a net-shaped surface layer (5), wherein the water-absorbing layer (3) includes interspace holes and is made of acrylic acid-2-acrylamide-2-sodium methacrylate copolymer; the net-shaped surface layer (5) is prepared from, in parts by weight, 25-45% of polyvinyl alcohol-vinyl acetate copolymer and 55-75% of sodium carboxymethyl cellulose; holes are formed in the hydrophilic end of the water-absorbing layer, so that the water contained in the ink can be adsorbed into the holes, and the beneficial effect that the ink can dry quickly after being transferred to a medium material is achieved. According to the invention, the net-shaped surface layer (5) structure facilitates quick absorption of the ink during the printing process; during the transferring process, the net-shaped surface layer can realize maximized adhesion to the medium material; the technical problems that the pattern is blurred or overlapped with another because of easy displacement during the printing ink absorption and transferring processes are solved.

The invention relates to a production process of a PVC (polyvinyl chloride) lamp-box fabric. At present, a production process of a PVC lamp-box fabric which is uniform in plasticizing and remarkable in ink absorbing performance does not exist. The production process comprises the following steps: producing a PVC bottom membrane, producing a PVC surface membrane and jointing, wherein the PVC base membrane is prepared from 100 parts by weight of PVC resin, 18-23 parts by weight of calcium carbonate, 48-53 parts by weight of nano calcium, 28-55 parts by weight of phthalate, 3-5 parts by weight of epoxidized soybean oil, 4-6 parts by weight of a liquid stabilizing agent, and 5-15 parts by weight of condiments, and the step of producing the PVC base membrane comprises the procedures of firstly, preparing a main material, stirring the main material at a high speed for 30s, adding the condiments to obtain a material, cooling, mixing to obtain a ball, plasticizing and mixing, filtering for removing impurities, and calendaring to obtain the PVC base membrane; the step of producing the PVC surface membrane is similar to that of producing the PVC base membrane; the jointing step comprises the procedure of jointing the PVC base membrane and the PVC surface membrane on a fabric to obtain the PVC lamp-box fabric. The PVC lamp-box fabric is uniform in plasticizing and remarkable in ink absorbing performance.

Provided is an inkjet recording medium in which hydrated alumina and a sulfinic acid compound or thiosulfonic acid compound coexist in a pigment in an ink receiving layer, and which can prevent white-background yellowing during storage in a resin file holder or the like and ensure printing quality at the same time. The ink receiving layer of the inkjet recording medium contains the sulfinic acid compound or thiosulfonic acid compound, which functions to prevent yellowing, in a salt form or in a free form so as to be diffusible.

The invention provides thermal dye sublimation transfer paper suitable for on-line high-speed production. The thermal dye sublimation transfer paper comprises body paper, a gluing layer and a coatinglayer, and the gluing layer and the coating layer coat the body paper in sequence according to an on-line processing technology; coating in the coating layer is at least prepared from a water absorbing material, an ink absorbing material and resin. The thermal dye sublimation transfer paper is characterized in that the water absorbing material is a composition containing one or more of sodium polyacrylate resin, aluminium silicate, calcined kaolin and silicon dioxide according to any proportion, and the ink absorbing material is a composition containing one or more of sodium carboxymethyl cellulose, polyacrylamide, sodium alginate, oxidized starch and natural polymer glue. The thermal dye sublimation transfer paper produced by means of the technology solves the problems in the prior art that thermal dye sublimation transfer paper prepared by means of an on-line coating method is low in ink absorbing amount, low in transfer rate, high in ink permeability and low in printing precision.