37 results about "Relief printing" patented technology

The invention discloses a coating preparation device and a preparation method of a battery diaphragm, and belongs to the field of secondary batteries, in the coating preparation device, base membrane conveying equipment comprises a plurality of compression rollers which are distributed at intervals and are used for conveying base membranes; the slurry supply equipment provides slurry; the surface of the gravure roller is provided with a plurality of concave liquid taking grooves distributed at intervals in the circumferential direction, and the concave liquid taking grooves are used for extracting slurry from slurry supply equipment and transferring the slurry to the concave liquid taking grooves. The surface of the relief printing roller is provided with a plurality of dispensing bosses arranged in a protruding mode, and the dispensing bosses are used for extracting slurry from the concave liquid taking groove and transferring the slurry to the surface of the base film. The drying equipment is used for receiving and drying the base film with slurry salient points on the surface; and the control equipment is used for controlling the rotation operation of the pressing roller, the gravure roller and the relief roller. According to the coating preparation device, a matrix type adhesive layer is formed on a base film, so that the cohesiveness and the liquid retention performance of the base film are enhanced, and the ventilation increment of the base film is reduced.

The invention discloses a dispensing device, and relates to the technical field of coating, the dispensing device comprises a rack, and the rack is provided with a first base; the material box is used for storing the coating; a plurality of grooves are evenly distributed in the outer wall of the gravure roller, and the gravure roller is arranged on the left side of the material box and corresponds to the material box; the relief printing roller can be rotationally connected to the first base, and a plurality of convex points are evenly distributed on the outer wall of the relief printing roller; the back roller can be rotationally connected to the rack, and a gap between the back roller and the relief printing roller is used for allowing a film to penetrate through; the first base is configured to be adjustable in position in the left-right direction, so that the size of a gap between the relief printing roller and the back roller is adjustable, and the size of the dot-shaped coating on the film is adjustable. According to the dispensing device, the size of the dotted coating can be adjusted according to film products of different specifications, so that the coating flexibility of the dispensing device is improved.

The invention relates to the technical field of 3D light-transmitting embossment printing, in particular to a color bearing obtaining method and system for an FDM color overlapping 3D printing process, and the color bearing obtaining method for the FDM color overlapping 3D printing process comprises the steps that light measurement is conducted on pure-color raw materials with different thicknesses, and basic absorption values of all the pure-color raw materials under different thicknesses are obtained; constructing a basic absorption model based on the acquired data; based on measurement of actual stacking color values and photometric data of the pure color raw materials under different thicknesses, color absorption increment values of all color layers under different thicknesses in the stacking color layers under different stacking modes are obtained, and a color absorption model is constructed based on the obtained data; obtaining an output color table based on the basic absorption model and the color absorption model in combination with the highlight absorption influence of the surface layer thickness; and based on a color approximation degree algorithm, matching the closest color corresponding to each RGB color needing to be expressed from the output color table. The method has the advantage that the CMYK stacked color precision is improved.

The embodiment of the invention relates to the technical field of printing equipment, in particular to embossment printing photocuring printing equipment which comprises a first gloss oil spray head, a second gloss oil spray head, a white ink spray head, a color ink spray head, a first curing device, a second curing device and a controller. The controller is used for spraying gloss oil based on a first part of spray holes in the first gloss oil spray head, controlling the first curing device to irradiate, and then spraying the gloss oil based on a second part of spray holes in the first gloss oil spray head and the second gloss oil spray head to obtain a high-stacking-degree reference printing layer; spraying white ink based on a white ink nozzle, and controlling a second curing device to irradiate to obtain a white bottom layer; and spraying color ink based on the color ink nozzle, and controlling the second curing device to irradiate to obtain a color embossment picture. According to the embodiment of the invention, the gloss oil nozzles are additionally arranged to construct the reference printing layer, and the white bottom layer is matched, so that the layout number of the white ink nozzles can be reduced, the printing efficiency is guaranteed, the equipment cost is reduced, and low-cost and high-efficiency collaborative optimization is realized.

A method of controlling imaging characteristics of at least one relief printing feature created in a photosensitive printing blank during a platemaking process is provided. The photosensitive printing blank has a photocurable layer disposed on a backing layer. The photocurable layer is selectively exposed to a source of actinic radiation to selectively cross link and cure portions of the photocurable layer. The source of actinic radiation comprises one or more sets of UV LED lights that operate at different wavelength outputs and / or that are collimated to achieve different angles of UV light, and a power intensity of each individual UV LED light is individually adjusted and controlled. A relief image is revealed when the exposed photocurable layer is developed comprising at least one relief printing feature exhibiting geometric characteristics that provide for optimal printing performance.

The utility model discloses a dispensing device, which relates to the technical field of coating and comprises a frame provided with a first base. The material box is used for storing the coating; a plurality of grooves are evenly distributed in the outer wall of the gravure roller, and the gravure roller is arranged on the left side of the material box and corresponds to the material box; the relief printing roller can be rotationally connected to the first base, and a plurality of convex points are evenly distributed on the outer wall of the relief printing roller; the back roller can be rotationally connected to the rack, and a gap between the back roller and the relief printing roller is used for allowing a film to penetrate through; the first base is configured to be adjustable in position in the left-right direction, so that the size of a gap between the relief printing roller and the back roller is adjustable, and the size of the dot-shaped coating on the film is adjustable. According to the dispensing device, the size of the dotted coating can be adjusted according to film products of different specifications, so that the coating flexibility of the dispensing device is improved.

This application provides an embossing printing apparatus, belonging to the field of paper printing technology, including a worktable, a rotary disk, and multiple printing components. The worktable is horizontally mounted; the rotary disk is connected to it via an intermittent rotation mechanism, and has a set of circumferentially spaced mounting slots for embedding paper; multiple printing components are arranged around the rotary disk on the worktable at intervals. Driven by the intermittent rotation mechanism, the rotary disk rotates stepwise, aligning each mounting slot sequentially with a different printing component, realizing multi-station continuous printing processing. This application, through the intermittent rotation of the rotary disk and the cooperation of the surrounding printing components, can complete multiple embossing printing processes after a single paper loading, effectively improving processing efficiency, reducing manual intervention, and its modular structure design facilitates maintenance and expansion, making it suitable for mass embossing printing production needs.

The utility model discloses a packing box three-dimensional hot gold stamping bottom film relief printing plate cleaning device which comprises a fixing plate, sliding grooves are formed in the two ends of the fixing plate, threaded columns are fixed in the sliding grooves, first adjusting mechanisms are installed on the threaded columns, the first adjusting mechanisms are in sliding connection with the sliding grooves, and the second adjusting mechanisms are in sliding connection with the sliding grooves. A second adjusting mechanism is mounted on the side face of the first adjusting mechanism, and a mounting frame is fixed to the top of the second adjusting mechanism. The fixing plate is fixed to the side face of the three-dimensional gilding device through the connecting frame, the second adjusting mechanism is used for driving the brush plate to be close to the gilding bottom film relief printing plate, the gilding bottom film relief printing plate is cleaned in the moving process, meanwhile, water is sprayed to the gilding plate through the liquid supply pipe and the spray head, the cleaning effect can be better improved, and the working efficiency is improved. And meanwhile, the first adjusting mechanism is used for adjusting the positions of the second adjusting mechanism, the liquid supply pipe and the spray head, the gold stamping bottom film relief printing plate can be cleaned more comprehensively, and the device is simple in structure and quite high in cleaning efficiency.

To provide an adhesive tape for protecting photomasks used in resin relief printing, which prevents air bubbles from forming when applied to the photomask even when it is a thin film, and facilitates repair work in the event of foreign matter contamination. [Solution] A photomask protective adhesive tape comprising a transparent base film with an adhesive layer on one side and a release layer on the other side, wherein the adhesive layer is a cured product of an adhesive layer composition containing (A) an acrylic acid ester polymer, (B) a crosslinking agent, and (C) an oil having trimethylolpropane fatty acid triester, and the solid content of the adhesive layer contains 0.1 to 5% by weight of component (C).

The present invention belongs to the technical field of polymer materials, relates to the modification of waterborne polyurea, and particularly relates to a preparation method of an internally crosslinked modified waterborne polyurea with terminal carboxyl hyperbranched polyamide, comprising: dissolving polyisocyanate in a solvent, heating to 90-140°C, adding a catalyst and a coreless terminal carboxyl hyperbranched polyamide, and keeping warm for 1-4 h; adjusting the temperature to 105-160°C, adding a waterborne chain extender and a polyol, and keeping warm for 2-6 h; cooling to 60-90°C, adjusting the pH to 7.0-7.3 with a neutralizing agent, increasing the stirring rate and quickly adding deionized water for dispersion to obtain the product. The solid content of the modified waterborne polyurea prepared by the present invention is 40.3-42.7%, and it can be applied to roll coating, knife coating or spraying such as intaglio printing, relief printing, flexographic printing, etc. Since the hyperbranched polyamide molecule has cavities and more branched chain gaps, the modified waterborne polyurea can further bond / chelate small molecule compounds or be used as a drug carrier, and its application value in the medical field cannot be underestimated.

The invention relates to the technical field of electric power detection, in particular to real-time reactive power compensation detection equipment based on high-voltage SVG (static var generator), which comprises a conveying belt, a detection seat, an embossing relief printing plate for matching the height difference of circuit elements, a connecting seat for moving and reversing the lifting direction, a contact seat for controlling lifting, and a detection seat for reactive power detection, the trigger device for recording the detection state and the sweeping device for controlling the moving path can be adjusted according to the height difference of different circuit boards, so that the height of a circuit element is matched, it is ensured that in the detection process, the independent lifting block of the embossing relief printing plate can be automatically lifted up after making contact with the circuit element, a self-adaptive height matching mechanism is formed, and the detection efficiency is improved. The detection part is pressed down only at the part needing to be detected, continuous sliding on the circuit board is prevented, the physical damage risk to the circuit board is reduced, the integrity of the detected element is protected, and the embossing relief printing plate can be compatible with various circuit boards of different specifications and types.

To provide a photosensitive resin printing plate precursor which can suppress peeling of a photosensitive resin layer.SOLUTION: A photosensitive resin printing plate precursor has at least a support and a photosensitive resin layer, wherein the photosensitive resin layer contains at least a polymer (A) having an ethylenic double bond, a compound (B) having an ethylenic double bond, and a photopolymerization initiator (C), the photosensitive resin layer has at least a first photosensitive resin layer including a printed surface and a second photosensitive resin layer including a photosensitive resin layer therein, and an ethylenic double bond equivalent F1 (g / eq) of the component (A) in the first photosensitive resin layer is larger than an ethylenic double bond equivalent F1 (g / eq) of the component (A) in the second photosensitive resin layer.SELECTED DRAWING: None

The utility model relates to the related technical field of gilding press dust removal equipment, in particular to a dust removal device for a packaging box three-dimensional hot-gilding bottom film relief printing plate, which comprises a packaging box three-dimensional hot-gilding box, moving rails, a gold bottom film relief printing plate box and a feeding assembly, the moving rails are mounted on two sides of the top end of the packaging box three-dimensional hot-gilding box, and the gold bottom film relief printing plate box is mounted on the moving rails. The three-dimensional hot gold stamping box for the packaging box is characterized in that a moving rail is arranged on the feeding assembly, a gold bottom film relief printing plate box is arranged at the moving position of the moving rail, the moving rail and the gold bottom film relief printing plate box are installed at the sliding position of the feeding assembly, and the three-dimensional hot gold stamping box for the packaging box further comprises an installation assembly installed on the three-dimensional hot gold stamping box for the packaging box. The hot-stamping bottom film relief printing plate opening can be sealed, the box body installation frame is movably installed on the hot-stamping bottom film relief printing plate opening and the hot-stamping face of the packaging box, dust is prevented from entering other faces of the packaging box, and only one face of the packaging box needs to be cleaned after the hot-stamping face of the packaging box is cleaned.

To provide a photosensitive resin printing plate precursor which can suppress peeling of a photosensitive resin layer.SOLUTION: A photosensitive resin printing plate precursor has at least a support and a photosensitive resin layer, wherein the photosensitive resin layer contains at least a polymer (A) having an ethylenic double bond, a compound (B) having an ethylenic double bond, and a photopolymerization initiator (C), the photosensitive resin layer has at least a first photosensitive resin layer including a printed surface and a second photosensitive resin layer including a photosensitive resin layer therein, and an ethylenic double bond equivalent F1 (g / eq) of the component (A) in the first photosensitive resin layer is larger than an ethylenic double bond equivalent F1 (g / eq) of the component (A) in the second photosensitive resin layer.SELECTED DRAWING: None

The invention relates to the technical field of relief printing, and discloses a relief printing device. A relief printing machine; the paper roll roller is used for storing paper rolls; the functional roller is used for guiding, flattening and destressing the paper; the two self-adaptive adjusters are symmetrically arranged in the relief printing machine, each self-adaptive adjuster comprises a sliding part and a bearing seat sliding on the sliding part all the time, and further comprises an energy storage winder for pulling the bearing seat and a damping adjusting part, the damping adjusting part is arranged on the side edge of the energy storage winder, and the damping adjusting part is arranged on the side edge of the energy storage winder. The damping adjusting part comprises a magnetic damping fork with an adjusting stroke, and the magnetic damping fork can adjust an action position relative to an aluminum disc rotating in the energy storage winder. Aiming at a unique intermittent feeding unwinding system of the relief printing machine, jumping possibly generated in the moving process of paper is restrained by arranging a displaceable self-adaptive stress roller.

The invention provides a photosensitive resin composition for a relief printing original plate, a relief printing original plate, and a printing plate. The photosensitive resin composition for the relief printing original plate can reduce development change of the relief printing original plate in a high-temperature environment, can realize satisfactory reproducibility in a resin relief plate in a high-temperature environment, and can reduce poor printing when the resin relief plate is used for printing in a low-temperature environment. The photosensitive resin composition for a relief printing original plate contains (a) a polyamide and / or a polyamide block copolymer, (b) a crosslinking agent having one or more unsaturated groups, (c) a photopolymerization initiator, and (d) a polyglycerol and / or a polyglycerol derivative obtained by the addition polymerization of polyglycerol with ethylene oxide or propylene oxide, the content of (d) in the photosensitive resin composition is 3-15% by weight.

This utility model discloses an integrated device for ceramic tableware relief printing and glaze bonding, including a base. A speed-regulating motor is fixedly installed inside the base, and a first gear is installed at the output end of the motor. A rotating disk is rotatably connected to the base, and a second gear is fixedly installed on the bottom surface of the rotating disk, meshing with the first gear. A support plate is detachably installed on the top surface of the rotating disk, and a glaze collection baffle is welded to the top surface of the rotating disk. This utility model employs an intermittent rotation structure of multiple support plates and a rotating disk, integrating the feeding, relief printing, glazing, and unloading processes onto the same equipment. When the blank on one support plate is being printed at the relief printing station, another support plate can be glazed at the glazing station. Simultaneously, the feeding and unloading stations can operate synchronously without stopping the machine. The processes are seamlessly connected, significantly shortening the production cycle and increasing the product output per unit time.

The invention discloses economical and environment-friendly wallpaper and a production method and application thereof. The production method comprises the following steps: S1, combined design of a relief printing plate gap embossing roller, a rotary screen printing plate wheel and a precision coating machine; s2, slurry adjustment is conducted, specifically, the slurry is PVC slurry with thixotropic performance or water-based ceramic chip crack uniformizing slurry, the color is adjusted, and chip scraping is conducted; s3, a scraper in a printing unit of the rotary screen printing coating machine is installed, and the embossing gap of a relief printing plate gap embossing roller is adjusted; s4, bottom layer slurry is injected for rotary screen printing, and a wet pattern material obtained after rotary screen printing is fed into a drying oven to be heated to be in a semi-gel state; s5, injecting surface layer slurry to perform surface layer coating printing, and performing surface treatment on the wet slurry after surface layer printing; s6, drying and plasticizing after wet relief printing plate gap embossing; and S7, recycling waste raw materials. According to the invention, the waste raw materials can be quickly recycled without storage, so that the inventory pressure is reduced, and meanwhile, the loss caused by improper storage can be avoided.

A method of analyzing data from a letterpress production system (10), the system comprising at least one, preferably at least two, production units (20) for processing a letterpress precursor to obtain a letterpress, and a computing device (30), the method comprising the following steps at the computing device (30): receiving data from the at least one production unit (20), the data comprises a plate identifier of the relief plate and information relating to the processing of the relief plate precursor by the respective production unit (20); the received data is analyzed and a relief report is created based on the analyzed data (40).

A method for preparing and printing on a substrate, such as a corrugated board, with the relief, comprising the steps of: providing a mask layer; obtaining a halftone raster image file having a first resolution R1, the halftone raster image file comprising imaging pixels and non-imaging pixels; wherein the first spacing P1 corresponds to the first resolution R1; the mask layer is imaged according to the halftone raster image file, so that the maximum size of an imaging spot is smaller than (square root of 2P1); preparing a relief printing plate by using the imaged mask layer; transferring the ink to a relief printing plate by using an anilox roller; and transferring the ink from the relief printing plate onto the substrate; wherein the first resolution ratio R1 is less than 2000 dpi; wherein the volume density of the anilox roller is greater than or equal to 5 cm < 3 > / m < 2 >.

Provided is a photosensitive printing original plate that has few mask defects (flaws) and is capable of preventing transfer of a substance from a heat-sensitive mask layer (excellent in temporal stability). This photosensitive printing original plate is formed by laminating at least a support (A), a photosensitive resin layer, and a heat-sensitive mask layer (C) in this order. The heat-sensitive mask layer (C) contains a partially saponified polyvinyl alcohol (a), an ultraviolet absorbing substance (b), and carbon black (c). The ultraviolet absorbing substance (b) contains an acrylic resin (b-1). Also provided is a method for manufacturing a photosensitive relief printing plate using the photosensitive printing original plate.

The application discloses a relief printing device and belongs to the technical field of paper printing, which comprises a mounting frame, a printing roller rotatably mounted on the mounting frame, a roller ink roller arranged on one side of the printing roller, an abutting roller arranged on the other side of the printing roller, a ink transmission roller arranged between the roller ink roller and the printing roller, the ink transmission roller capable of abutting against the roller ink roller and the printing roller, a driving mechanism for driving the roller ink roller and the ink transmission roller to rotate mounted on the mounting frame, a jacking piece for jacking up the ink transmission roller mounted on the mounting frame, a jacking track for sliding cooperation with the ink transmission roller formed on the mounting frame, and a first accommodating groove for clamping cooperation with a rotating shaft of the ink transmission roller formed on an end of the jacking track close to the printing roller. The application has the effect of reducing environmental pollution caused by ink.

The present invention discloses a transparent electrode based on polyacid treatment and its preparation method and application, which belongs to the field of perovskite solar cell components. A polyacid-treated PEDOT:PSS film is used as a transparent electrode layer and a hole transport layer, a PEDOT:PSS solution is selected as a precursor solution, and an existing solution processing method such as a uniform glue spin coating method, a wire rod coating method, a doctor blade coating method, a slit extrusion coating method, a screen printing method, a gravure printing method, a relief printing method, etc. can be used to prepare a high-performance transparent electrode, which can be used as a hole transport functional layer. The preparation process is simple, and the preparation process of the battery is simplified. The perovskite solar cell prepared according to the transparent electrode of the present invention has a higher charge collection efficiency and a lower charge loss at the electrode interface, and thus has a higher photoelectric conversion efficiency.

The utility model relates to the technical field of ultrasonic cleaning of materials, in particular to an ultrasonic cleaning device for relief printing plate materials, which comprises a shell, a cleaning frame, an ultrasonic generator, two water pipes, a water pump, a water tank, a mounting block and a filter element, the cleaning frame is connected with the two water pipes, and the ultrasonic generator is mounted in the shell. A water tank is clamped between the two water pipes, a water pump is arranged on one water pipe, a mounting block is clamped in the water tank, and a filter element is fixedly connected in the mounting block. The water pump is started, the water pump pumps water in the cleaning frame through the water pipe and pumps the water into the water tank, meanwhile, the pumped water is filtered through the filter element, and the filtered water returns to the cleaning frame from the other water pipe, so that a water circulation purification system is formed, the ultrasonic cleaning effect can be maintained, and it is avoided that when the water pump is taken out, the water pump is damaged. Part of the impurities are deposited on the material.

The utility model discloses a letterpress printing device which comprises a letterpress printing machine. The letterpress printing machine has the advantages that due to the fact that the second hydraulic cylinder, the adjusting support and the guide roller are arranged, printing film materials are guided and conveyed through the guide roller, winding is conducted through the winding roller, and the printing film materials are conveyed through the adjusting support and the guide roller. The height positions of an adjusting support and a guide roller are adjusted through the output end of a second hydraulic cylinder, the tightness degree of a film material below the guide roller during conveying is adjusted, a two-way lead screw, limiting sliding blocks and a film cutting knife are arranged, the symmetrical limiting sliding blocks on the outer side are driven to move when the two-way lead screw rotates, and the film material conveying efficiency is improved. When the limiting sliding blocks move, the film cutting knives at the bottom of the supporting bottom box are driven to move, the distance between the two film cutting knives is adjusted, and therefore edge cutting is conducted on the letterpress printing film materials through the film cutting knives, and cutting treatment is conducted on the film materials in the conveying process according to the width requirement.

The invention discloses a dynamic embossment texture printing control method and device, a medium and a product, and relates to the field of digital printing. The method comprises the following steps: acquiring a target height map; performing regional self-adaptive dynamic layering on the target height map to generate layered printing data containing a plurality of embossment layers; generating a corresponding basic bitmap image for each relief layer, and performing edge transition processing on a boundary region in the basic bitmap image to generate a relief layer printing bitmap; after a preset number of first embossment layers are printed, a height detection sensor is driven to obtain actual height distribution of the first embossment layers; comparing the actual height distribution with a target relief height of a corresponding area in the target height map to obtain a height error map, and generating a compensation layer bitmap according to the height error map; and controlling printing equipment, and printing the second embossment layer according to the compensation layer bitmap and the residual embossment layer printing bitmap corresponding to the second embossment layer. By implementing the technical scheme provided by the invention, the relief printing precision is improved.

This invention discloses an innovative process for producing an environmentally friendly and biodegradable 3D sheet material based on coconut coir fiber, utilizing high-frequency dielectric heating and high-pressure forming. This process involves heating the coconut coir fiber in a temperature range of 140°C to 180°C using radio waves to activate the natural lignin, which is then combined with a pressure of 140 kg / cm² to form a strong and flexible structure. The end result is a highly durable, reusable, and environmentally friendly material, and can be applied in a variety of products such as 3D insulating wall coverings, packaging materials, cooler boxes, and protection for fragile items.The main advantage of this invention is the use of natural lignin as a binder, eliminating the need for synthetic adhesives, and providing a more environmentally friendly solution by utilizing coconut fiber as the main raw material.

The present invention provides a photosensitive resin printing plate precursor for relief printing that can achieve both gradation print reproducibility of a highlight part and plate life, and that has a low plate-surface adhesiveness. A photosensitive resin printing plate precursor for relief printing, wherein the photosensitive resin printing plate precursor comprises a support, a photosensitive resin layer, and a cover film stacked in this order, wherein the photosensitive resin layer comprises a lower layer present on a support side and an upper layer present on a cover-film side, wherein the upper layer is a photosensitive resin layer that contains a water-soluble or water-dispersible resin (A) having a glass transition temperature measured by differential scanning calorimeter of 40 to 90°C, wherein the upper layer has a thickness of 3 to 30 micrometers, wherein the lower layer is a layer that contains a water-soluble or water-dispersible resin (B) having a glass transition temperature higher than the glass transition temperature of the water-soluble or water-dispersible resin (A) by 5°C or more, and wherein the glass transition temperature of the resin (B) measured by differential scanning calorimeter is 95 to 135°C.

A method of controlling imaging characteristics of at least one relief printing feature created in a photosensitive printing blank during a platemaking process is provided. The photosensitive printing blank has a photocurable layer disposed on a backing layer. The photocurable layer is selectively exposed to a source of actinic radiation to selectively cross link and cure portions of the photocurable layer. The source of actinic radiation comprises one or more sets of UV LED lights that operate at different wavelength outputs and / or that are collimated to achieve different angles of UV light, and a power intensity of each individual UV LED light is individually adjusted and controlled. A relief image is revealed when the exposed photocurable layer is developed comprising at least one relief printing feature exhibiting geometric characteristics that provide for optimal printing performance.

Provided is a photosensitive printing original plate having few mask defects (defects) and capable of preventing substance transfer from the heat-sensitive mask layer (excellent in stability over time). The photosensitive printing original plate is formed by laminating at least (A) a support, (B) a photosensitive resin layer, and (C) a heat-sensitive mask layer in this order, wherein the (C) heat-sensitive mask layer contains (a) a partially saponified polyvinyl alcohol, (b) an ultraviolet absorber, and (c) carbon black, and the (b) ultraviolet absorber contains (b-1) an acrylic resin. Also provided is a method for producing a photosensitive relief printing plate using this photosensitive printing original plate.