2590results about How to "Improve printing effect" patented technology

The ink of the invention comprises a vehicle and a colorant. The colorant is a water-insoluble pigment that has been chemically modified to be water dispersable by addition of functional groups to the surface of the pigment resulting in water soluble colorant particles. The performance of these pigments is improved by the addition of specific functional groups which provide improved black to color bleed control and high waterfastness.

Specific core-shell binders and additives for use in ink-jet printing ink compositions are provided. One class of specific core / shell binders has the general formula [AmBnC'p]x, where A and B are hydrophobic components in which A exhibits a glass transition temperature Tg between about -150° and +25° C. and B exhibits a glass transition temperature greater than 25° C., C' is a component that forms a hydrophilic or water-soluble component in the polymer chain, and has an ionic or non-ionic structure, m<30 wt %, n>40 wt %, and p<30 wt %, with the total of m+n+p=100 wt %, and x=1 to 100,000. The molecular weight (weight average) of the polymer is between about 1,000 and 2,000,000. The polymers useful in the practice of the invention are prepared by emulsifying the monomers and then conducting a free-radical polymerization in water. The foregoing binder polymer is used in conjunction with additives comprising either (a) amine alcohols having the general formulawhere R1 and R2 are independently selected from the group consisting of hydrogen, alkyl, alkoxy, aryl, and phenoxy, R is alkyl, X is selected from the group consisting of hydrogen, alkyl, aryl, -OH, -COOH, -CHO, and substituted groups or (b) organic acids (water-soluble or water-dispersive), including polymeric acids. Other additives include amines, polyalcohols, polyamines, and polyesters. In the ink compositions of the present invention, the ratio of binder (1) to colorant (pigment) is greater than 1 to 10. The concentration of the additive is within the range of 0.005 to 50 wt %. The general ink formulation comprises: 5 to 50 wt % water-miscible solvent; 0.5 to 10 wt % colorant; 0.005 to 50 wt % additive; and water.

Provided are various methods and devices for electrohydrodynamic (E-jet) printing. The methods relate to sensing of an output current during printing to provide control of a process parameter during printing. The sensing and control provides E-jet printing having improved print resolution and precision compared to conventional open-loop methods. Also provided are various pulsing schemes to provide high frequency E-jet printing, thereby reducing build times by two to three orders of magnitude. A desk-top sized E-jet printer having a sensor for real-time sensing of an electrical parameter and feedback control of the printing is provided.

An apparatus for printing pages of a print job includes a page analyzer, a converting apparatus, an identifying apparatus, an optimizer apparatus, a storage apparatus, and a merging apparatus. The page analyzer is operative to identify static page aspects and variable page aspects from page data within a print job. The converting apparatus communicates with the page analyzer and is operative to convert the static page aspects into static page layout objects and the variable page aspects into variable print data. The identifying apparatus communicates with the converting apparatus and is operative to identify the static page layout objects in the manner allowing for an optimized form to be created, and to allow for appropriate merging with the variable print data. The optimizer apparatus communicates with the identifying apparatus and is operative to convert the static page layout objects to an optimized form. The storage apparatus communicates with the optimizer apparatus and is operative to store at least one instantiation of the static page layout objects in the optimized form. A merging apparatus communicates with the storing apparatus and is operative to merge the static page layout objects with the variable print data to create merged print data. A method is also provided.

A method of manufacturing a building panel (10). The method includes applying a first binder and free lignocellulosic or cellulosic particles on a first surface of a carrier for forming a first layer (11), applying a second binder and free lignocellulosic or cellulosic particles on the first layer (11) for forming a second layer (12), wherein the first binder is different from the second binder, and applying heat and pressure to the first and second layers (11, 12) to form a building panel. Also, such a building panel (10).

A composition is provided, which comprises a water-soluble salt of a divalent metal; a complexing agent having an affinity for the divalent metal; and an optical brightening agent. Methods of using the composition, and recording sheets which include the composition, are also disclosed.

The invention provides a lead-free silver conductive paste used for positive electrode of solar battery and a preparation technique thereof. The paste comprises the following materials by weight percentage: 65 to 85 percent of silver powder, 2 to 8 percent of lead-free glass powder, 10 to 25 percent of organic carrier and 0.1 to 3 percent of additive. The paste adopts the lead-free glass powder of Si-B-Bi-Al-Ti-Zn-O series to replace the traditional lead-bearing glass powder; and the series glass powder has lower softening point, can lead the silver electrode to have good adhesive force after sintering, and ensures the silver electrode to be well contacted with a silicon substrate. In addition, zinc resinate is used as the additive in the invention, not only can well improve the printing performance of the paste, but also can improve the electrical property of the electrode.

The invention relates to an intelligent terminal printing system based on cloud computing technology. The intelligent terminal printing system comprises an intelligent user terminal, a printer terminal and a cloud printing server, wherein the intelligent user terminal and the printer terminal are respectively connected with the cloud printing server through networks. The cloud printing server comprises a user management module, a printer management module, a safety management module, a printing request processing module, a printing agent module and various document application modules, the printer terminal finishes printing operation, and the cloud printing server is used for registering and managing users and printers, receiving, processing and storing printing requests transmitted by the users, converting formats of received documents and the like. The intelligent terminal printing system is high in traceability, wide in application, convenient in printing and fine in printing effect, all the printers capable of accessing the internet can be supported, the received documents to be printed can be automatically converted into formatted documents acceptable by the printer terminal, malicious users can be effectively prevented from attacking the printers, and resource waste is decreased.

The invention discloses a 3D laser printing method and system. A four-parameter continuous modulation laser printout method is adopted to prepare a 3D image consisting of diffraction pixels arranged according to the position coordinates and provided with both a specific grating space frequency and an angle of orientation; the modulation method of parameters of grating stripes in the diffraction pixels is realized on the basis of a 4F imaging system and a diffraction grating; the 4F imaging system comprises a first Fourier transformation lens or lens group and a second Fourier transformation lens or lens group; the diffraction grating is placed between the first Fourier transformation lens or lens group and the second Fourier transformation lens or lens group; the distance between the diffraction grating and the first Fourier transformation lens or lens group is changed to realize continuous modulation of the space frequency of the grating stripes; and the diffraction grating is rotated to realize continuous modulation of the grating orientation angle of the grating stripes. The 3D laser printing method and system realize continuous adjustment of the space frequency and the orientation of the grating, and encodes on the basis of the four-parameter micro-nano structure with continuously changeable space frequency and orientation of the grating to form a 3D color image.

A method of producing a floor panel (1), including providing a carrier (3) including a thermoplastic material, applying a primer comprising at least one salt, preferably a metal salt, on a first surface of the carrier (3), printing by means of digital printing a first print (10) on said first surface of the carrier (3) with an aqueous pigment ink composition, and applying a protective layer (4) on said first surface of the carrier (3) and applying the carrier (3) on a core (2) and pressing by applying heat and pressure the protective layer (4), the carrier (3) and the core (2) together to form a floor panel (1). Also, a method for forming a decorative substrate.

According to the present invention there is provided a method for making lithographic printing plates including the following steps: a) preparing a heat mode imaging element having on a lithographic base with a hydrophilic surface a first layer including a polymer, soluble in an aqueous alkaline solution, a compound capable of converting light to heat and a top layer on the same side of the lithographic base as the first layer which top layer is unpenetrable for an alkaline developer containing SiO2 as silicate; b) exposing imagewise the heat mode imaging element to actinic light; c) developing the imagewise exposed heat mode imaging element with the alkaline developer so that the exposed areas of the top layer and the underlying areas of the first layer are dissolved and the unexposed areas of the first layer remain undissolved characterized in that said top layer includes an organic quaternary ammonium salt.

The invention discloses a method for manufacturing high-breathability non-woven wallpaper body paper and a product. The existing non-woven wallpaper has the disadvantages that the hand feel thereof is not soft enough, the principal plane stereoscopic impression is not strong and the opacity degree is low. The method of the invention comprises the following steps: beating plant fiber containing chemical wood pulp until the beating degree is 20-30OSR, and mixing with non-plant fiber containing chemical fiber; adding chemical addition agent into the mixed fiber; manufacturing the mixed fiber containing the chemical addition agent into body paper semi-finished products by utilizing a fourdrinier wire or inclined wire paper machine; mixing pigment, chemical addition agent and adhesive to form coating liquor, carrying out dip coating on the body paper semi-finished products inside or outside the machine; and drying and finishing the body paper subject to dip coating, and rolling the body paper to form finished paper of body paper, thus obtaining non-woven wallpaper which contains continuous fiber, has high breathability, and can be directly printed. The principal plane has natural lines; and the finished paper has the advantages of soft hand feel, good processability, excellent shape stability, rich color, distinct image and strong stereoscopic impression.

Heat-sensitive imaging element for making positive working printing plates according to the present invention there is provided a heat-sensitive imaging element for making positive working lithographic printing plates comprising on a lithographic base a layer comprising a polymer, soluble in an aqueous alkaline solution and an IR-radiation sensitive top layer. Upon image-wise exposure the capacity of the aqueous alkaline solution to penetrate and / or solubilize the top layer is changed. Image-wise exposure can be performed with an infrared laser with a short as well as with a long pixel well time. The obtained positive working printing plates have excellent printing properties and an improved infrared sensitivity.

The invention discloses a water-based plastic composite printing ink, in particular to a water-based ink needed in the plastic film intaglio printing composite process. To solve problems, the invention provides the water-based ink which remarkably improves composite strength, sealing strength and printing mass relative to the prior solvent ink on the premise of not reconstructing the prior printing equipment or adjusting the printing process; the water-based ink adopts the following technical proposal: the water-based plastic composite printing ink is prepared from the following raw materials in weight portion: 10 to 35 portions of aqueous polyurethane emulsion, 0 to 8 portions of aqueous acrylic resin, 0 to 7 portions of aqueous wetting dispersant, 0.2 to 2 portions of aqueous dampness levelling agent, 0.1 to 2 portions of aqueous defoaming agent, 0.1 to 5 portions of PH regulator, 6 to 30 portions of pigment, 0 to 5 portions of ethanol and 6 to 73.6 portions of water. The water-based ink can be widely applied in the field of ink manufacturing.

This invention is a preparation method of calcium sulfate crystal whisker. The material is plaster stone (CaSO4.2H2O) and water in the entire production. After raw material preparation, building up reactions, dehydrate, refine and edulcoration. Its characteristic is that the active content of plaster stone up to above 95%, the whiteness is above 90%. Mixed with water and turn into plaster stone slime, then put them into reactor to make them have chemical reaction, then on the other procedures. The calcium sulfate crystal whisker made by this method has good performance, low cost, and can be used in all kinds of industries.

The invention relates to a color jet printer and a jet printing method thereof. The color jet printer comprises a machine frame, an upright post, a horizontal beam, a jet printing worktable and an electric cabinet, wherein the structure of the jet printing worktable comprises a parallelly traveling worktable and a rotary conveyer belt; textile to be printed is tiled on the parallelly traveling worktable or the rotary conveyer belt; and pattern areas of the textile are sprayed with white bottom layers by a computer programmed NO. 1 inking box and white bottom areas are sprayed with colored patterns by a computer programmed NO. 2 inking box. By utilization of the prior computer programmed color jet printing technology to perform jet printing of patterns on the textile such as T-shirts and so on or planar carriers, the jet printing method improves the work efficiency, reduces the cost and strengthens the viewing effect compared with the prior printing method. The white bottom layers are printed on the pattern areas of the textile at first and then sprayed with patterns, thereby the jet printing method can improve the adhesion force of the patterns and the textile, guarantee that the patterns are not fallen off and strengthen the jet printing effect of the patterns. Moreover, the white bottom layers of the textile can be respectively printed by the jet printing technique, the hot transfer printing technique or the silk-screen printing technique.

The invention relates to an ultraviolet curable ink and a preparation method thereof. The ink comprises 30-60% of light sensitive resins, 15-45% of active monomers, 1-10% of ultraviolet light initiators, 10-20% of pigments and 0.5-2% of auxiliaries by mass and is an ink which is transformed from liquid state to solid state to be cured after binders in the ink are cross-linked under the irradiation of ultraviolet lights with certain wavelengths. The ultraviolet curable ink provided by the invention has the advantages of short light curing time, no need of heating, conservation in energy consumption, no volatile organic solvent VOC (Volatile Organic Compounds) in the ink, no pollution to the atmosphere, smaller effect of temperature variation on system viscosity, high solid content, suitability for multiple production methods and production requirements and excellent comprehensive properties, can be machined and used within a wider temperature range; and very good printing effects of the ultraviolet curable ink on both a hard substrate and a soft substrate can be obtained.

The invention discloses a leadless and no-halogen tonal, comprising following components with percent by weight: alloy powder 80-98 and welding flux 2-20; said alloy powder is one of SnAgCu, SnAgNi, SnAgBiCu, SnAgBiSb, SnCu and SnAg; said welding flux concludes following components with percent by weight: modified resin antioxidant 30-60, organic acid activating agent 5-15, thixotropic agent 4-14, plasticizing agent 2-6, plasticizing agent 0.4-2, inhibitor 0.1-0.5 and organic solvent 20-40; said modified resin antioxidant comprises following components with percent by weight: modified rosin resin 80-90, anti-oxidant 2-8, and reducer 2-8. The tonal is characterized by good thixotropic behavior, no oxidation, no dry welding and no short circuit.

A method of generating a mask design having optical proximity correction features disposed therein. The methods includes the steps of obtaining a desired target pattern having features to be imaged on a substrate; determining an interference map based on the target pattern, the interference map defining areas of constructive interference and areas of destructive interference between at least one of the features to be imaged and a field area adjacent the at least one feature; and placing assist features in the mask design based on the areas of constructive interference and the areas of destructive interference.

The seven layer high obstruct packing film includes the first printing layer made of LLDPE, LDPE and FSU; the second shading layer made of white color, LLDPE and LDPE; the third adhering layer of adhesive Tie; the fourth obstructing layer comprising EVOH; the fifth adhering layer of adhesive Tie; the sixth shading layer made of black color, LLDPE and LDPE; and the seventh thermal sealing layer made of LLDP, LDPE and FSU. The present invention possesses the advantages of non-toxicity, high humidity resistance, high oxygen resistance, high heat resistance, high flexibility, high cold resistance and high thermal sealing strength, and is used in packing milk without need of adding preservative and being cold stored.

The present invention refers to a method of producing a coated paper or paperboard, but excluding photographic papers, comprising the steps of: (a) forming a free flowing curtain comprising at least one layer, whereby the composition forming at least one layer of the free flowing curtain has a high shear viscosity of at least about 50 mPa.s, and (b) contacting the curtain with a continuous web substrate of basepaper and paperboard.

The ink of the invention comprises a vehicle and a macromolecular chromophore colorant. The colorant is a water-insoluble pigment that has been chemically modified to be water dispersible by addition of functional groups to the surface of the pigment resulting in water dispersible colorant particles. The performance of these pigments is improved by the addition of specific functional groups which provide improved black to color bleed control and high waterfastness.

The invention relates to a water-based ink and a preparation method thereof, especially to an environment-friendly type water-based intaglio ink used for package printing and a preparation method thereof. The ink is prepared by mixing epoxy acrylate composite emulsion, pigments, deionized water, ethanol, triethylamine, wax powder, a wetting dispersant, an anti-foaming agent, a levelling agent, a thickening agent and a film forming auxiliary agent according to a certain mass ratio, wherein, the epoxy acrylate composite emulsion is prepared by modifying acrylate emulsion with an epoxy resin and allowing the epoxy resin and acrylate to organically bind together, has the advantages of good adhesion, thermostability, good chemically-resistant properties and the like and has a certain application value when used as a binder for a water-based ink. The water-based intaglio ink in the invention is applicable to package printing in the field of flexible package which mainly relates to packaging of tobacco, liquor, foodstuffs, beverage, medicines, daily chemical articles and the like; the ink is nontoxic, non-combustible and non-explosible, has no pungent smell, accords with environmental protection requirements, and has a very promising prospect.

A coating composition comprising a blend of at least two dye fixatives, at least one of which is a cationic polymer, and at least one of the other dye fixatives is a polyvalent metal salt, to form a water-insoluble complex. The ink recording sheets comprise a composition that is absorbed into the surface of the substrate as a sizing material, or alternatively, forms a continuous layer on the substrate. The present invention also encompasses methods for making the ink jet recording sheets.

The invention discloses a printing device for a three-dimensional biological structure. The printing device comprises an execution unit with a liquid supply system, and a control unit, wherein the liquid supply system comprises an air compressor, an air capacitor communicated with an air outlet of the air compressor, and a liquid storage tank; a liquid outlet of the liquid storage tank is communicated with a liquid inlet of a spray head; a liquid inlet of the liquid storage tank is communicated with an air outlet of the air capacitor; a pressure reducing valve is arranged on a pipeline between the liquid storage tank and the air capacitor; the opening degree of the pressure reducing valve can be adjusted, and thus liquid drops at a spray nozzle of the spray head are enabled to not drop off; the height of the liquid storage tank can be adjusted, and thus the lowest end of a liquid level at the spray nozzle of the spray head is leveled with the spray nozzle of the spray head. The printing device disclosed by the invention can be widely applied to forming of biological scaffolds with various shapes, can be used for printing vascular structures and has the advantages of high printing precision, simpleness in operation, low cost and the like. Due to the adoption of the design of a replaceable clamp, a replaceable working face and a replaceable Z-shaped mounting plate, the printing device can be used for printing biological structures with different sizes and different tissue materials.

This invention relates to a printhead substrate capable of suppressing an increase in wiring width and an increase in the size of a substrate formed by a film forming process while increasing the number of simultaneously driven printing elements in order to improve the printing performance, a printhead using the substrate, and a printing apparatus using the printhead. The wiring lines of the substrate are formed into a common wiring line, and energy applied to a heating resistance element is prevented from deviating from a stable ink discharge range owing to the difference in the number of simultaneously driven heating resistance elements. For this purpose, a driving element is greatly downsized in comparison with a conventional one, and the operation region of a MOS transistor is shifted from the non-saturation region to the saturation region.

An ink composition which is used for active energy ray-curable inkjet printing, has excellent curability or adhesiveness to multiple base materials while having low viscosity, and exhibits excellent non-yellowing properties of the printed matter is provided. The composition comprises a polymerizable monomer (A) and photopolymerization initiators (B), the polymerizable monomer comprising 2-(2-vinyloxyethoxy)ethyl acrylate (A-1), and the photopolymerization initiators comprising oligo(2-hydroxy-2-methyl-1-(4-(1-methylvinyl)phenyl)propanone) (B-1) and other initiator (B-2).

The invention relates to the technical field of photovoltaic equipment, in particular to a photovoltaic solar silicon chip printer. The photovoltaic solar printer comprises a framework, an industrial control device and an operating disk mechanism, a transport mechanism, a carrier plate mechanism, a vacuum suction plate mechanism, a steel screen seat mechanism, a screen pressing and regulating mechanism, a scraper mechanism and a vision system device, wherein the operating disk mechanism, the transport mechanism, the carrier plate mechanism, the vacuum suction plate mechanism, the steel screen seat mechanism, the screen pressing and regulating mechanism, the scraper mechanism and the vision system device are connected with the industrial control device. The photovoltaic solar silicon chip printer has the advantages of accurate positioning, good printing effect, high printing accuracy and high production efficiency.