33 results about "Digital ink" patented technology

The invention discloses a two-in-one switchable digital ink-jet printer, and relates to the technical field of ink-jet printers, the two-in-one switchable digital ink-jet printer comprises a flip cover, a base station is hinged to the front side of the flip cover, a paper supporting platform and a cloth supporting platform are arranged in an inner cavity of the base station, a plurality of grooves are formed in the top of the cloth supporting platform, filter cotton is arranged in the grooves, and the filter cotton is arranged in the base station. A residue collecting box is arranged on the left side of the turning cover, a switching device is arranged on the front side of the turning cover, and when the printer is used for printing cloth, the dual-purpose rotating rod, the cloth supporting platform and the corner roller are arranged in a linear mode, namely, the dual-purpose rotating rod, the cloth supporting platform and the corner roller are located on the same horizontal line, the cloth is tightened, and the cloth is prevented from wrinkling and loosening in the printing process; when the printer is used for printing paper, the dual-purpose rotating rod, the paper supporting platform and the corner roller are arranged in an arch bridge shape, namely, the dual-purpose rotating rod and the corner roller need to be slightly lower than the paper supporting platform, so that the paper is tightened and flatly sucked on the platform, and the phenomenon that the paper is in contact with an ink jet nozzle due to bumps, deviation and wrinkles in the printing process and the ink jet nozzle is blocked is avoided.

The invention belongs to the field of digital ink jet, and discloses a preparation method of a colored nano resin particle dispersion and application of the colored nano resin particle dispersion in digital ink jet. By adopting a cosolvent method, the solubility of the pigment is improved by adding a cosolvent into a monomer, and the coating rate of the pigment is increased. Meanwhile, special monomers are not needed, common traditional emulsion polymerization monomers can be used, the manufacturing process is simple, neck clamping is not prone to occurring, and reaction control is easy. According to the invention, the pigment is coated by an emulsion polymerization technology to obtain the colored nano resin particle dispersion, the digital ink-jet ink is prepared from the colored nano resin particle dispersion, and the ink layer of the digital ink-jet ink has better water resistance, light resistance and migration resistance compared with the traditional dye ink, and has good adhesiveness.

The use of non-aqueous digital UV / LED inks for printing a flexible material is disclosed, especially for printing fabrics and hides. Moreover, an improved process is disclosed for digitally printing on flexible materials, by using said non-aqueous digital UV and / or LED inks. The resulting printed flexible materials are soft and matt, with an excellent colour fastness to rubbing, while still conveniently maintaining the initial flexibility. Moreover, it should be appreciated that resulting printed flexible materials are also completely odourless, differently from the materials printed according to the prior art.

The invention discloses a composite organic silicon modified waterborne polyurethane emulsion for digital ink-jet ink and a preparation method and application thereof, and the preparation method comprises the following steps: (1) carrying out vacuum dehydration on polyol, an anionic hydrophilic agent, a nonionic hydrophilic agent and silicone oil, adding polyisocyanate to carry out a polymerization reaction, then adding a chain extender to carry out a chain extension reaction, and carrying out vacuum drying to obtain a polyurethane emulsion; a polyurethane prepolymer 1 is prepared; (2) adding the polyurethane prepolymer 1 into a diamine silane coupling agent under high-speed stirring for reaction, and supplementing an organic solvent in the reaction process to control viscosity so as to prepare a polyurethane prepolymer 2; (3) adding water into the polyurethane prepolymer 2, and emulsifying under a high-speed shearing condition to obtain a prepolymer emulsion; (4) adding a post chain extender into the prepolymer emulsion, and stirring at a high speed to carry out a post chain extension reaction, so as to obtain a waterborne polyurethane emulsion; the particle size of the emulsion is stabilized below 40 nm, the water absorption rate can be reduced to 4.12% to the minimum, and the performance of the emulsion is superior to that of a conventional nano-particle-size waterborne polyurethane emulsion.

The utility model relates to a bit processing system for digital ink-jet printing. The bit processing system comprises an upper computer, a core processor (comprising an instruction tight coupling memory), a coprocessor (comprising a bit operation unit), an external memory and a printer, the upper computer generates image data and a bit operation instruction; the external memory is used for receiving image data from the upper computer; the core processor stores a bit operation instruction from an upper computer through the instruction tight coupling memory and sends the bit operation instruction to the coprocessor; the core processor obtains image data from the external memory and sends the image data to the coprocessor; the coprocessor analyzes the bit operation instruction and determines a bit operation type corresponding to the bit operation instruction; the bit operation unit performs bit operation on the image data according to the bit operation type; and the bit operation unit sends the image data after bit operation to the printer, and an ink-jet printing task is executed through the printer. The utility model constructs a high-efficiency bit processing system for digital ink-jet printing.

The invention discloses a digital ink-jet printing color analysis method and system based on image processing, and relates to the technical field of printing color analysis. According to the method, a multi-angle fabric image is obtained, the brightness gradient is calculated, the reflectivity is measured, and surface scattering distribution is deconstructed by combining an initial absorption baseline; then, according to the law of conservation of energy, utilizing reflectivity and scattering distribution to iteratively update an absorption baseline, and dynamically stripping the absorption and scattering coefficients of the fabric; and finally, inputting the dynamic coefficient as a bottom layer parameter into a Coubella-Miscang model to reversely solve the target spectral reflectivity, and matching an optimal ratio in an ink ratio database, so that high-precision color prediction which does not need manual intervention and adapts to various complex fabrics is achieved, the matching degree of printing colors and design intentions is improved, and the printing quality is improved. The problems that in the prior art, correction coefficients and simple linear hypotheses are set depending on artificial experience, color prediction adaptability is poor in the face of complex fabric, and automatic high-precision real color matching cannot be achieved are solved.

The utility model discloses an ink-jet head anti-blocking moisturizing structure of a digital ink-jet printer, which comprises a printing structure and an ink head body, the side surface of the printing structure is bolted with a liquid collecting box, the two sides of the inner cavity of the liquid collecting box are bolted with shells, the right side of the bottom of the inner cavity of each shell is welded with a reset shell, and the reset shell is welded with the ink head body. A first spring is welded to the left side of the reset shell, a sliding plate is welded to the left side of the first spring, a push plate is welded to the right side of the sliding plate, an insertion rod is welded to the left side of the sliding plate, a mounting rod is inserted into the left side of the insertion rod, and a sponge plate is welded to the top of the mounting rod in a manner of penetrating to the outside of the shell; the utility model relates to a digital ink-jet printer, which is applied to the technical field of digital ink-jet printers, through a first spring, a sliding plate, an inserting rod and a push plate, the mounting rod can be conveniently inserted or released, the mounting rod can be easily disassembled and assembled, a sponge plate can be conveniently maintained and cleaned, the use efficiency of the sponge plate is effectively improved, and the trouble of workers is solved.

The invention provides a digital printing fabric pretreatment agent and a preparation method and application thereof, and relates to the technical field of digital ink-jet printing, the digital printing fabric pretreatment agent comprises the following components by mass: 15%-80% of a cationic polymer, 0.01%-10% of an inorganic salt, 0.01%-15% of a hydrophilic finishing agent, 0.01%-1% of an acidity regulator, and the balance of water; the cationic polymer contains a dye-philic group. The technical problems that in the prior art, a fabric pretreatment agent is insufficient in adsorption efficiency and single in function are solved, and the technical effects that the ink adsorption efficiency, the pattern definition, the color brightness and the color fastness are remarkably improved, and meanwhile the environmental protection property and the process adaptability are considered are achieved.

This disclosure describes systems, methods, and devices for reflow of digitally entered handwritten characters into a device A method may include receiving handwritten strokes digitally entered into a text container presented using a device; generating groups of the handwritten strokes into text lines and words along the text lines; determining, using a baseline estimation algorithm, a respective baseline for each of the text lines; identifying, for each respective baseline, a lowest x-coordinate of the handwritten strokes; determining, for each of the words, a distance between a respective word on a respective baseline and a consecutive word on the respective baseline; determining, based on a width of the text container, the respective baselines, and the distance, a placement of each of the words in the text container; and causing presentation, using the device, of the words in the text container based on the placement.

A method, system and printing device for rendering digital color changing inks, can involve configuring a digital ink to appear as one color on a digital screen at one angle and as a different color at a different angle, and rendering the digital ink in a digital document. In an embodiment, a black geometric shape can be created, which can turn off RGB pixels. Single-color lines can be then added to the black geometric shape. The geometric shape can be viewed at different angles to determine one or more working patches. One or more working patches can be then added to the digital document. New Digital color changing inks can be created by taking advantage of the RGB output verses angle curves. The digital inks can appear as one color on a digital screen at one angle and as a different color at a different angle.

This disclosure describes systems, methods, and devices for reflow of digitally entered handwritten characters into a device. A method may include receiving handwritten strokes digitally entered into a text container presented using a device; generating groups of the handwritten strokes into text lines and words along the text lines; determining, using a baseline estimation algorithm, a respective baseline for each of the text lines; identifying, for each respective baseline, a lowest x-coordinate of the handwritten strokes; determining, for each of the words, a distance between a respective word on a respective baseline and a consecutive word on the respective baseline; determining, based on a width of the text container, the respective baselines, and the distance, a placement of each of the words in the text container; and causing presentation, using the device, of the words in the text container based on the placement.

The disclosure relates to the technical field of fabric printing, in particular to a waterless digital printing method, which includes: scanning and detecting a surface to be printed of a target fabric and determining a first type hydrophilic detection point and a second type hydrophilic detection point of the target fabric according to a yarn type; performing a primary hydrophilic detection on the first type hydrophilic detection point and the second type hydrophilic detection point and calculating a hydrophilicity stability parameter; determining a fabric preheating mode according to the hydrophilicity stability parameter, the fabric preheating mode including differential temperature preheating and uniform temperature preheating; performing digital ink-jet printing on the target fabric by a digital printing device when preheating is completed; and performing drying and curing in which the printed target fabric is placed into a drying chamber for heating and curing.

The invention discloses a water-based nano dispersed organic pigment for digital ink-jet printing and a preparation method of the water-based nano dispersed organic pigment, and belongs to the technical field of organic pigments. The method comprises the steps of pigment pre-dispersion, first layer coating, intermediate washing, second layer coating and purification. In the first coating layer, short-chain polyethylene glycol acrylate, acrylic acid and a high-proportion cross-linking agent are subjected to in-situ polymerization and cross-linking reaction at a relatively high temperature to form a compact anchoring network layer. And the second coating layer adopts long-chain polyethylene glycol methacrylate, acrylic acid and a low-proportion cross-linking agent to form a flexible protection network layer. Through a double-layer sequential coating technology, function division of an inner layer and an outer layer of a coating layer is realized: an inner layer high-crosslinking compact network provides strong anchoring capability and resists dilution and shear-induced desorption; and an outer layer light cross-linked flexible network provides steric hindrance protection and good hydratability. The particle size of the prepared water-based nano dispersed organic pigment meets the harsh application requirements of digital ink-jet printing, and the water-based nano dispersed organic pigment is suitable for industrial production.

The invention discloses a gambiered canton gauze digital printing process of an acetate fiber fabric. The process comprises the steps of fabric pretreatment, pattern design and color separation treatment, digital ink-jet printing, high-temperature color fixation, after-treatment and sizing. The method has the following advantages and effects that yellow and black channel output is innovatively guided in CMYK color separation, the proportion of a green channel is restrained, the proportion of black ink is greatly increased in a dark color area, the mild base color of traditional gambiered canton gauze from brownish red to dark black is successfully and accurately restored on the digital level, and the problems of gray and cold easily occurring in industrial printing are thoroughly avoided. Through the pretreatment agent and accurate control over the moisture state of the fabric, the problems of ink permeation and uneven coloring caused by poor hygroscopicity and smooth surface of cellulose acetate fibers are effectively solved, and a solid foundation is laid for high-definition digital printing. On the whole, the greasy gloss and the unique stiff, smooth and flexible hand feeling of the gambiered canton gauze of the acetate fiber fabric are perfectly achieved.

The invention provides a digital pen and a system and method for using the digital pen. The digital pen includes a nib having two tines made of a flexible material defining a slit, wherein its slit width varies according to pressure applied to the nib and / or the orientation of the digital pen relative to the writing surface. The digital pen further includes a sensor module configured to measure the variable slit width; an orientation detection module configured to determine a position and tilt of the pen relative to the writing surface; and a communication module configured to transmit the slit width data and / or orientation data to a connected computing device. The computing device utilizes the slit width data and the orientation data to dynamically control the amount of digital ink dispensed onto the digital paper to simulate the writing experience and ink output of the stationery pen.

The application discloses a transfer film using cationic digital ink, which comprises a carrier, an ink receiving layer and a protective layer from bottom to top, wherein the thickness of the ink receiving layer is 1-5 mu m, and the thickness of the protective layer is 1-3 mu m. The polyvinyl alcohol with an average molecular weight of 130-160 thousand Da and the polyurethane resin dispersion are used together to improve the color luster of the film after transfer, increase the dye uptake rate, and realize the transfer of deep color patterns. The color of the pattern after transfer is bright, the ink can be prevented from penetrating after printing on the fabric, the ink is saved, the fixing effect of the cationic dye on the textile can be realized at a relatively low temperature, and the purpose of saving energy is achieved.

The utility model relates to printer technical field proposes a kind of digital ink-jet label printer of double-motor drive, including label printer, the side of label printer is provided with receiving roller, the side of label printer is provided with dustproof jamming prevention component, the dustproof jamming prevention component includes motor one, the output shaft of motor one is arranged on one end of receiving roller, the utility model is through the mutual cooperation between the scraping pole, rack, half gear and other components inside dustproof jamming prevention component, realizes by counterclockwise rotation runner half gear, rack pulls spring, and then promotes scraping pole to clean discharge chute, this design avoids discharge chute long-term exposure and dirt accumulation, guarantees equipment long-time stable operation, by the cooperation of locking rod and clamping groove, the position of scraping pole can be conveniently adjusted and locked, ensure that scraping pole can accurately operate or temporarily exit work area under different conditions, and this adjustability increases the flexibility of equipment.

The invention discloses a two-in-one switchable digital ink-jet printer, and relates to the technical field of ink-jet printers, the two-in-one switchable digital ink-jet printer comprises a flip cover, a base station is hinged to the front side of the flip cover, a paper supporting platform and a cloth supporting platform are arranged in an inner cavity of the base station, a plurality of grooves are formed in the top of the cloth supporting platform, filter cotton is arranged in the grooves, and the filter cotton is arranged in the base station. A residue collecting box is arranged on the left side of the turning cover, a switching device is arranged on the front side of the turning cover, and when the printer is used for printing cloth, the dual-purpose rotating rod, the cloth supporting platform and the corner roller are arranged in a linear mode, namely, the dual-purpose rotating rod, the cloth supporting platform and the corner roller are located on the same horizontal line, the cloth is tightened, and the cloth is prevented from wrinkling and loosening in the printing process; when the printer is used for printing paper, the dual-purpose rotating rod, the paper supporting platform and the corner roller are arranged in an arch bridge shape, namely, the dual-purpose rotating rod and the corner roller need to be slightly lower than the paper supporting platform, so that the paper is tightened and flatly sucked on the platform, and the phenomenon that the paper is in contact with an ink jet nozzle due to bumps, deviation and wrinkles in the printing process and the ink jet nozzle is blocked is avoided.

The invention provides a manufacturing method of a multi-color ink-jet gradient electronic window decorating part and a mobile phone composite backboard, and the manufacturing method of the multi-color ink-jet gradient electronic window decorating part comprises the following steps: printing a logo layer on a transparent composite layer, and drying the logo layer to obtain a composite base layer; the composite base layer is placed on a carrier platform, the temperature of the carrier platform and the temperature of the ink-jet media are controlled, the ink-jet media are stacked on the composite base layer layer by layer to form a gradient layer, bottom covering ink is printed on the surface, and a bottom covering layer is formed after baking; the cover bottom layer is attached to the PET base material layer through attaching glue, and the gradually-changed decorating part is obtained; and manufacturing a texture layer on the gradually-changed decorative part to obtain the gradually-changed electronic window decorative part. According to the multi-color ink-jet gradient electronic window decorating part, the gradient layer is constructed through digital ink-jet equipment, and the temperature of the carrier platform and the temperature of the ink-jet medium are cooperatively controlled, so that a stable thermodynamic environment in the layer-by-layer stacking process is provided, the defects of edge stacking and color stacking are avoided, and the definition and visualization of the multi-color ink-jet gradient electronic window decorating part are improved.

The invention discloses a PCM intelligent temperature-regulating printing method, which adopts integrated digital ink-jet printing equipment, the integrated digital ink-jet printing equipment comprises a machine head assembly and a flat plate assembly, the machine head assembly comprises a color jet printing machine head assembly and a PCM jet printing machine head assembly which are the same, and the flat plate assembly comprises a flat plate supporting system and a printing flat plate. The printing flat plate is of a hexagonal structure and is supported by the flat plate supporting system, three pairs of pressing upper rollers are arranged on the printing flat plate, and high-overprinting-precision continuous printing of a needed image on a fabric located on the upper plane of the printing flat plate in a controllable stretching state and then PCM printing in a natural stretching state is achieved. The left side and the right side of the printing flat plate are correspondingly provided with a pre-printing ironing and finishing roller and a post-printing high-temperature baking roller, precise control over a temperature curve needed after two times of printing is achieved, and then PCM intelligent temperature adjusting efficient printing is achieved.

This application proposes a tremor symptom assessment model based on electronic handwriting, comprising: an input embedding layer, a position encoding layer, a Transformer encoder, a feature fusion and classification decision layer; the input embedding layer receives input from a digital ink sequence of handwritten handwriting; the position encoding layer uses a sinusoidal function-based encoding method to obtain sequential information that can replace the time series; the Transformer encoder is a model architecture composed of a multi-head self-attention mechanism and a feedforward neural network; the embedded first deep feature is superimposed with the sequential information and input into the Transformer encoder to obtain a second deep feature with deep semantics; the feature fusion and classification decision layer includes a feature fusion module and a classification decision module; the feature fusion layer fuses the second deep feature with kinematic features through a concatenation operator to form a third deep feature; the third deep feature is input into the classification decision layer, which outputs the corresponding predicted probability of tremor severity.

The invention discloses an antibacterial printed silk fabric and a preparation method thereof. The preparation method comprises the following steps: firstly, dipping a silk fabric in a pretreatment solution containing an anionic thickener, a moisture absorbent and a pH buffer solution, extruding and drying; mixing a natural aldehyde antibacterial agent, a nonionic surfactant, a viscosity regulator, a pH regulator and ultrapure water to prepare plant antibacterial agent ink, performing ink-jet printing on the pretreated silk fabric by adopting a digital ink-jet technology, and performing ageing treatment to enable the antibacterial agent and the silk fibers to be firmly combined through Schiff base reaction; finally, the antibacterial silk fabric is soaked in a metal ion solution, colored patterns are formed through chelation reaction of phenolic groups and metal ions, and the printed antibacterial silk fabric is obtained through color fixing and washing. The silk fabric prepared by the invention has excellent antibacterial durability, high-precision printing effect and good wearability, and the integration of antibacterial and printing dual functions is realized.

The utility model relates to the technical field of digital inkstones, and discloses a multilayer composite interactive XR digital inkstone which comprises an inkstone body, and the inkstone body sequentially comprises a metal base layer, an elastic buffer layer, a touch sensing layer, a dynamic display layer and a detachable surface layer from bottom to top. The bottom of the metal base layer is provided with an anti-skid silica gel pad, the side edge of the metal base layer is provided with a battery bin and a Type-C interface, according to the multi-layer composite interactive XR digital inkstone, a rigid supporting platform is provided through the metal base layer, a rigid-flexible coupling system is formed by the metal base layer and the honeycomb polyurethane elastic buffer layer, the elastic buffer layer reproduces a three-section type resistance curve when the real inkstone is ground, and the stability of the ink stone is improved. The piezoelectric ceramic sensor array captures pressure data in real time, triggers the light transmittance adjustment of the deformable PDLC dimming film to generate local deformation micro-convex lines, synchronously drives the semitransparent OLED panel to display an ink mark permeation effect, realizes second-level replacement of three types of replaceable texture plates through the magnetic adsorption frame, and achieves the purpose of improving the ink permeation effect. Therefore, the deep fusion effect of physical feedback and virtual interaction is realized.

The invention relates to the technical field of glazing processes, in particular to a glazing process of a pickling-free self-cleaning ceramic tile. The process comprises the following steps: performing low-temperature biscuit firing on a green body, applying basic glaze containing a self-cleaning component, performing triple digital ink jet to construct a stone texture, performing digital glue dry particle molding to form a concave-convex structure, and finally performing stepped heating and high-temperature slow firing without strong acid treatment in the whole process. The process is environment-friendly and safe, the visual sense, the touch sense and the light sensation of the natural acid pickling stone can be accurately re-carved, the ceramic tile has long-acting self-cleaning and high abrasion resistance, process parameters are controllable, the ceramic tile is suitable for large-scale production of an existing production line, the high-end decoration and practical requirements are met, and the problems that a traditional stone and ceramic tile acid pickling process depends on strong acid, pollution is large, safety risks are high, and the like are solved. The problems that an existing stone grain ceramic tile can only present a plane effect, is lack of three-dimensional texture and does not have a self-cleaning function are solved.

The present disclosure provides a method for digitally manufacturing a scratch and sniff portion on a substrate with microencapsulated fragrance varnish and the resulting scratch and sniff product. The method can include steps of printing a base image on a substrate using a digital ink and identifying the scratch and sniff portion on the substrate for application of the microencapsulated fragrance varnish. The method can further include applying the microencapsulated fragrance varnish to the scratch and sniff portion on the substrate using a digital printing process with a large orifice print head. The microencapsulated fragrance varnish can require physical activation to release the fragrance.

This invention discloses a high-flexibility UV digital ink and its preparation method, belonging to the field of ink technology. The method includes the following steps: In a nitrogen atmosphere, a monocarboxylic acid and epoxy resin are heated, condensed, refluxed, and stirred under the catalysis of a catalyst to obtain a modified epoxy resin; In a nitrogen atmosphere, polyethylene glycol and a catalyst are mixed, and isocyanate is added dropwise while stirring; the temperature is raised to 60°C, and 3-ethyl-3-oxabutane methanol is added dropwise while stirring; the temperature is raised to 70°C and held to obtain a modified polyurethane polymer; The modified polyurethane polymer and modified epoxy resin are mixed evenly, and a photoinitiator, carbon black, dispersant, and defoamer are added and mixed evenly to obtain the high-flexibility UV digital ink; Through chemical modification, flexible segments are chemically bonded into a rigid network, ultimately enabling the cured film to simultaneously possess high flexibility, high elongation at break, suitable tensile strength, practical hardness, and good stability, fully adapting to the application requirements of digital printing on flexible substrates.

The invention discloses a non-shading ink-jet printing method, device and equipment for a transparent curved-surface object and a storage medium, and relates to the technical field of digital ink-jet printing, and the method comprises the following steps: fixing the transparent curved-surface object and enabling the transparent curved-surface object to rotate around the axis of the transparent curved-surface object; and the spray head is controlled to move to the position above the transparent curved-surface object, the spray head synchronously performs ink-jet printing when the transparent curved-surface object rotates, the strong curing UV lamp is kept closed in the process, and the pre-curing lamp is turned on if necessary. By controlling the transparent curved surface object to rotate for multiple times, the conflict between the nozzle and the strong curing UV lamp is avoided, and the risk that the nozzle is damaged by UV light is effectively avoided. Compared with a traditional scheme, internal shading treatment is not needed, the manual material plugging and taking procedure is omitted, the cost is reduced, and the efficiency is improved; and color and structure limitation can be broken through, various transparent curved-surface objects can be adapted, and the core problems that printing efficiency is low, adaptability is poor and a spray head is prone to being damaged in the industry are successfully solved.

The invention concerns a method implemented by a device for displaying strokes of digital ink in a display area and for performing text line extraction to extract text lines from the strokes. In particular, the text line extraction may involve slicing the display area into strips, ordering for each strip the strokes into ordered lists which form collectively a first set of ordered lists, forming for each strip a second set of ordered lists by filtering out from the ordered lists of the first set strokes which are below a given size threshold, and performing a neural net analysis based on said first and second sets to determine for each stroke a respective text line to which it belongs.

The invention discloses a PVB (polyvinyl butyral) interlayer with a local metalized pattern, a preparation method of the PVB interlayer and application of the PVB interlayer in laminated glass. The PVB interlayer comprises a PVB base material layer and a local metalized pattern layer, the to-be-printed surface of the PVB base material layer is subjected to corona treatment or low-temperature plasma treatment, so that the surface energy of the to-be-printed surface is not lower than 42 mN / m; the local metallization pattern layer is formed by digital ink-jet printing, drying and curing of metal effect pigment printing ink on a preset area of the to-be-printed surface of the PVB base material layer; the metal effect pigment printing ink comprises a special effect metal pigment, the special effect metal pigment is a flaky pigment, the average particle size d50 of the special effect metal pigment is 0.5-5.0 [mu] m, and the maximum particle size D100 of the special effect metal pigment does not exceed 10 [mu] m. After the PVB interlayer is applied to the laminated glass, the laminated glass has aesthetic effects and functional characteristics and can be applied to the fields of buildings, automobiles, interior decoration and the like.