28 results about "Photographic paper" patented technology

The invention provides a preparation method of a photographic paper ink-absorbing coating containing nano boehmite powder. The preparation method comprises the following steps: preparing the nano boehmite powder; dispersing the nano boehmite powder into a solvent to obtain a filler dispersion liquid; preparing an adhesive solution by using an adhesive; mixing the filler dispersion liquid with the adhesive solution to obtain mixed slurry; coating photographic paper with the mixed slurry, and curing to obtain a photographic paper ink-absorbing coating; wherein weak base, industrial aluminum salt and weak acid are used as raw materials, after two-step pH adjustment, low-temperature hydrothermal crystallization reaction is performed at 120-140 DEG C in the presence of a surface modifier to prepare the nano boehmite powder, and the nano boehmite powder with uniform particle size distribution, high specific surface area and high dispersity can be obtained. A photographic paper ink-absorbing coating prepared by using the nano boehmite powder as a filler has the advantages of high ink-absorbing speed, uniform ink diffusion, no floating ink phenomenon and high glossiness.

The utility model discloses a single lens reflex one-time imaging camera with a replaceable lens, which comprises a camera body and photographic paper arranged in the camera body, and further comprises a replaceable lens bayonet, a mechanical shutter system, a single lens reflex optical view finding system and an FDU instant imaging module, the camera further comprises an interchangeable lens, the interchangeable lens is connected with the camera body through an interchangeable lens bayonet, and the interchangeable lens bayonet is connected with the camera body through a clamping device. The single lens reflex optical framing system comprises a reflector assembly, a pentaprism structure and a viewfinder, the reflector assembly is arranged behind the replaceable lens bayonet, the position of the reflector assembly is controlled through a mechanical shutter system to achieve switching between framing and shooting, and light enters from the replaceable lens, is reflected to the pentaprism structure through the reflector assembly and is finally projected to the viewfinder; the mechanical shutter system is arranged behind the reflector assembly; according to the scheme, the universality of the camera is optimized, and a user can freely replace the lens according to different scenes and enjoy the convenience of instant imaging at the same time.

The invention relates to a method and system for installing photographic paper in a stator slot, a storage medium and an intelligent terminal, and relates to the field of motor stator winding steps, and the method comprises the steps: obtaining a stator image; performing matching based on the stator image and a preset standard stator image to obtain a successfully matched standard stator image, and defining the standard stator image as a current stator image; searching a corresponding chassis category from a preset chassis database based on the current stator image; the chassis corresponding to the chassis category is controlled to execute an installation scheme, and the installation scheme comprises the steps that the photographic paper is adsorbed by suction columns, the chassis is controlled to enter a stator, the suction columns are controlled to be loosened after being inserted into stator grooves in a one-to-one correspondence mode, and the chassis is taken out; the photographic paper installation device has the advantages that the photographic paper is installed in the stator groove according to automatic equipment, manual installation is not needed, the labor cost is reduced, and the efficiency of installing the photographic paper in the stator groove is improved.

The application provides a preparation method of a photo paper ink absorption coating containing nanoboehmite powder, and comprises the following steps: preparing nanoboehmite powder; dispersing the nanoboehmite powder into a solvent to obtain a filler dispersion liquid; preparing an adhesive solution by using an adhesive; mixing the filler dispersion liquid and the adhesive solution to obtain a mixed slurry; coating the mixed slurry on photo paper and performing solidification to obtain the photo paper ink absorption coating; wherein the nanoboehmite powder is prepared by using weak base, industrial aluminum salt and weak acid as raw materials, performing a low-temperature hydrothermal crystallization reaction at 120-140 DEG C in the presence of a surface modifier after two-step pH adjustment, and the nanoboehmite powder has uniform particle size distribution, high specific surface area and high dispersity; the photo paper ink absorption coating prepared by using the nanoboehmite powder as filler has fast ink absorption speed, uniform ink diffusion, no ink floating phenomenon and high gloss.

The invention relates to high-brightness-based full-color erasable thermo-sensitive paper and a preparation method thereof, and relates to the technical field of printing consumables, the thermo-sensitive paper comprises a protective layer, a yellow thermo-sensitive coating, a first intermediate layer, a magenta thermo-sensitive coating, a second intermediate layer and a cyan thermo-sensitive coating which are sequentially arranged from top to bottom; the full-color erasable thermo-sensitive paper provided by the invention is relatively high in color vividness, the color coordinates of the full-color erasable thermo-sensitive paper are only slightly deviated after being repeatedly erased for 100 times, the full-color erasable thermo-sensitive paper can be repeatedly used for multiple times, the problems of serious environmental pollution and resource waste caused by the fact that inkless photographic paper can only be used once in the prior art are solved, and the color printing effect is greatly improved.

【Purpose of Item】; This design is intended for use as electronic photographic paper in cameras. 【Design Description】; This design is an electronic display paper. The front of the display paper has an e-ink display area, and the back has gold fingers for connecting to the camera. The distinctive feature of this design is its overall shape.

The utility model discloses photographic paper packaging equipment, which belongs to the technical field of photographic paper packaging and comprises a shell, a first sealing cover is rotatably arranged at the top of the shell, a second sealing cover is rotatably arranged on one side of the first sealing cover, and a paper extraction groove is formed in one side of the shell and below the second sealing cover. A top block is arranged in the shell in an up-down sliding mode, springback mechanisms are fixedly arranged at the positions, on the two sides of the top block, in the shell, a lock catch mechanism is fixedly arranged on one side of the top of the shell, and a locking sleeve is fixedly arranged on one side of the first sealing cover. Photographic paper is sealed and protected through cooperation of the first sealing cover and the shell, meanwhile, the photographic paper is jacked up through the jacking block and the rebounding mechanism, and the photographic paper is conveniently and rapidly extracted through the paper extraction groove when the second sealing cover is turned over to take the photographic paper, so that the photographic paper is rapidly taken while being stored in a sealed mode, and then the practicability of the device is improved.

This utility model provides a self-portrait auxiliary device for a protective case of an instant camera. The self-portrait auxiliary device includes a main body and a base. The lower end of the main body is provided with a U-shaped slot. The bottom surface of the base is provided with a first threaded hole for connecting with a selfie stick. The outer side of the main body is provided with a first groove, a power button, an indicator light, and a charging hole. The bottom surface of the first groove is provided with an indicator light and a second threaded hole for connecting with a selfie stick. The first groove is used to hold a remote control. After the protective case is connected to the base, the base is engaged in the U-shaped slot, and the protective case is partially wrapped by the main body. With the above structure, the camera can be fixed to facilitate users taking selfies and reduce the waste of photographic paper.

The invention belongs to the technical field of image materials, and particularly relates to a photosensitive film composite image medium, a preparation method and application. Comprising the following steps: S1, exposing a photosensitive film to obtain an overexposure film; s2, carrying out reverse flushing on the overexposure film to obtain a visual image; and S3, attaching the visible image to the reflector to form the photosensitive film composite image medium. The invention provides a brand new photosensitive film processing method. And carrying out overexposure treatment and reverse flushing, and tightly attaching the obtained low-density film to a reflector (such as photographic paper) like a film to form a complete complex. The method breaks through the tradition that the photosensitive film must be watched by backlight. By compounding the processed film and the reflective base material, the obtained complex realizes a reflective image watching function, so that a final image work can be directly appreciated under common indoor light and gallery light like an oil painting and a common photo, and the application scene and the display flexibility of the image work are greatly expanded.

The invention relates to the technical field of photographic paper coatings, in particular to a PP synthetic photographic paper water-based paint special for dye ink and capable of increasing the film fastness of a thermal laminating film and a preparation method of the PP synthetic photographic paper water-based paint special for the dye ink and capable of increasing the film fastness of the thermal laminating film. The coating is prepared from the following components: 10 to 20 percent of modified silicon dioxide, 25 to 35 percent of polyvinyl alcohol, 8 to 15 percent of polyurethane-acrylic acid hybrid emulsion, 2.5 to 3.5 percent of nano boehmite, 1.5 to 2.5 percent of dispersing agent, 0.5 to 0.7 percent of thickening agent, 0.2 to 0.4 percent of flatting agent, 0.3 to 0.5 percent of defoaming agent, 2 to 4 percent of expanding agent, 0.5 to 1.5 percent of accelerant, 0.1 to 0.3 percent of mildew preventive, 0.1 to 0.3 percent of ammonia water and the balance of deionized water. The water-based paint prepared by the invention has good absorptivity on ink, the film covering fastness is strong after the hot laminating film is covered, and the ink adaptability is high.

The present application relates to the technical field of photographic paper coating, and particularly relates to a water-based coating for dye ink special PP synthetic photographic paper for increasing the film covering firmness of hot mounting film and a preparation method thereof, the water-based coating for dye ink special PP synthetic photographic paper for increasing the film covering firmness of hot mounting film contains the following components in 100% by mass: modified silicon dioxide 10-20%, polyvinyl alcohol 25-35%, polyurethane-acrylic hybrid emulsion 8-15%, nano boehmite 2.5-3.5%, dispersant 1.5-2.5%, thickening agent 0.5-0.7%, leveling agent 0.2-0.4%, defoaming agent 0.3-0.5%, expanding agent 2-4%, accelerator 0.5-1.5%, mildew-proof agent 0.1-0.3%, ammonia water 0.1-0.3%, and the rest is deionized water. The water-based coating prepared by the present application has good ink absorbability, strong film covering firmness after hot mounting film covering, and high ink adaptability.

The utility model discloses a darkroom four-side contraction magnification ruler plate, which comprises a bottom plate, a ruler plate frame is hinged on the bottom plate through a damping hinge, the middle part of the ruler plate frame is hollow and is integrally formed, an adjusting frame is connected in the ruler plate frame, a plurality of paper pressing plates are slidably connected to the top of the adjusting frame in the transverse direction and the vertical direction, and magnets are arranged at the two ends of each paper pressing plate. Through the arrangement of the square structure of the ruler plate frame and the adjusting frame, the ruler plate frame and the adjusting frame can be universally used in the transverse direction and the vertical direction, the size can be rapidly adjusted without changing the direction of the bottom plate or the ruler plate, and the size plates connected to the four faces of the adjusting frame and the corresponding size marks on the size plates can be rapidly adjusted. A darkroom worker can clearly preview the size of an image and accurately position the image, the tedious workload is greatly reduced, conception and operation are convenient and rapid, the magnets at the two ends of the paper pressing plate and the adjusting frame are magnetically attracted to press photographic paper, the magnetic attraction pressing mode is easy and convenient to operate, and time and energy are saved.

The utility model discloses a laser detection device which comprises a base, a fixing assembly and a light leakage detection assembly, the fixing assembly is connected with the base, and the fixing assembly is used for fixing a laser output head; the light leakage detection assembly comprises a supporting frame and a clamping mechanism, the supporting frame is connected with the base, the clamping mechanism is used for clamping photographic paper, and the clamping mechanism is movably connected with the supporting frame and can move between a detection position and an avoiding position relative to the supporting frame. The photographic paper located on the clamping mechanism and the output end of the laser output head are oppositely arranged in a spaced mode, and when the clamping mechanism is located at the avoiding position, the photographic paper located on the clamping mechanism avoids laser output by the output end of the laser output head. As the position of the clamping mechanism can be kept stable, the position of the photographic paper relative to the laser output head is accurate, the photographic paper is not easy to shake, and whether the optical fiber laser leaks light or not can be accurately detected.

The invention belongs to the field of water-based ink-jet printing, and particularly relates to pre-coating-free waterproof matte photographic paper and a preparation method thereof. The pre-coating-free waterproof matte photographic paper comprises a waterproof ink-absorbing color-fixing coating, an interface improving coating and a base film from top to bottom, wherein the waterproof ink-absorbing color-fixing coating is prepared from the following raw materials in parts by weight: 7 to 8 parts of silicon dioxide, 0.3 to 0.8 part of dispersing agent, 5 to 7 parts of color fixing agent, 7 to 10 parts of vinyl acetate-ethylene copolymer emulsion, 25 to 35 parts of 10 percent polyvinyl alcohol aqueous solution, 0.3 to 0.6 part of wetting flatting agent, 0.05 to 0.2 part of boric acid, 0.3 to 0.8 part of metal cation salt and 36.6 to 55.05 parts of deionized water; the interface improving coating is prepared from the following raw materials in parts by weight: 10 to 30 parts of acrylic emulsion, 1 to 3 parts of coupling agent, 0.3 to 0.6 part of wetting flatting agent and 66.4 to 88.7 parts of deionized water. The waterproof matte photographic paper has better water resistance, has better adsorption performance on ink for spraying patterns, and does not need to be additionally coated with a pre-coating layer.

The invention belongs to the technical field of flexible sensors, and discloses a preparation method of a flexible back array sensor, which comprises the following steps: uniformly mixing and stirring graphene conductive paste and 1, 2-propylene glycol according to a volume ratio of 1: 4 to obtain a sensing material; highlight photographic paper is used as a substrate, and a sensing material is printed on the substrate of the highlight photographic paper in a dispensing printing mode by using dispensing equipment according to the designed graphene sensing array arrangement mode, so that a graphene sensing array is formed; transferring the graphene sensing array onto a PDMS (Polydimethylsiloxane) precursor, so as to obtain a PDMS-graphene sensing array; and dispensing and printing a silver electrode on the PDMS-graphene sensing array to form a sensing unit, then covering the sensing unit with a protective layer PDMS, and finally obtaining the flexible back array sensor. Therefore, the sensor array prepared by the invention has good tensile property and long-term stability, and can be used for monitoring human body behaviors.

The utility model belongs to the technical field of photo albums, and relates to a photo album with double-sided printed inner pages packaged by a cover, which comprises a cover, a cover ridge and a back cover, the edge of the bottom of the back cover is connected with a sealing edge, a sealing belt is led out of the bottom of the back cover, a magnetic block is arranged at the tail end of the sealing belt, the inner pages are connected with the inner wall of the cover ridge, and inner liner paper is arranged on the inner sides of the cover and the cover. The inner liner paper is connected to the ridge. The photographic paper storage box is novel in structure, convenient to use, capable of well protecting photographic paper and suitable for recording and storing photos.

The invention discloses a photographing camera capable of digitally displaying the number of remaining photographic paper, which comprises a machine body, the machine body is provided with a digital display assembly for displaying the number of remaining photographic paper, and one side of the machine body is provided with a paper outlet. The photographic paper loading box is used for loading photographic paper, the photographic paper hook sheet assembly is used for pushing photosensitive photographic paper or a protective film in the photographic paper loading box to the paper outlet, and the photographic paper output detection assembly is used for detecting whether the photographic paper or the protective film is output or not. The control assembly is respectively connected with the digital display assembly and the photographic paper output detection assembly, and is used for receiving the detection information of the photographic paper output detection assembly, calculating the residual quantity of the photographic paper according to the detection information and controlling the digital display assembly to display; whether the photographic paper or the protective film is output from the camera or not is judged according to the information detected by the photographic paper output detection assembly, so that the remaining number of the photographic paper is calculated and displayed through the digital display assembly, and the detection accuracy of the remaining number of the photographic paper is improved.

The present invention discloses a method and device for adaptive debugging of a field lens, relating to the technical field of laser cutting, and comprising the following steps: determining a suitable distance between the field lens and a black photographic paper; judging whether there is an angular inclination in the installation of the field lens; and correcting a cutting curve. During the process of installing and debugging the field lens, it is no longer necessary for technicians to frequently remove the black photographic paper from the vacuum adsorption platform and manually adjust a microscope to measure the etching marks of the laser-etched black photographic paper. The suitable distance between the field lens and the black photographic paper can be quickly confirmed through the method for adaptive debugging of the field lens described in the present invention, solving the problems of inconvenient installation and debugging and low installation and debugging efficiency when installing and debugging the field lens at present, which affect the production efficiency of the production line.

The utility model discloses a manual focusing laser beam focusing device which comprises a cylindrical frame and semicircular photographic paper fixed on the upper end face and the lower end face of the frame, and the two pieces of photographic paper are staggered by 90 degrees around the axis of the cylindrical frame. When the radiuses of the light spots on the two pieces of photographic paper are consistent, the symmetry plane between the two pieces of photographic paper is the plane where the focal point of the laser beam is located, and the device can measure the focal point more accurately, and is simple in structure, convenient to operate, low in manufacturing cost and high in adaptability when serving as an auxiliary device.

The utility model relates to a thermal transfer printing mechanism with a circumferential structure and a thermal transfer printer with the thermal transfer printing mechanism. The thermal transfer printing mechanism comprises a printing roller, a printing head assembly and an integrated thermal transfer ribbon box, the printing roller is transversely and rotatably installed at the upper end of the printer rack, guide rollers are arranged on the two sides of the vertex of the lower arc of the printing roller correspondingly, and the printing head assembly is installed between the two installation side plates; the multiple printing head assemblies are distributed on the portions, except the bottom, of the periphery of the printing roller in the circumferential direction at equal intervals, the periphery of the printing roller is wrapped with a paper feeding film, the two ends of the paper feeding film are wound around the sides, close to each other, of the two guide rollers respectively, and the two lower sides of the paper feeding film are away from each other. The multiple integrated thermal transfer ribbon boxes are arranged at the multiple printing head assemblies in a one-to-one correspondence mode, and the integrated thermal transfer ribbon boxes are installed on the installation side plate on one side. The device has the advantages that single-time or multi-time transfer printing of a printing medium is achieved, and the overprinting precision is improved; and the large-angle arc-shaped paper feeding film path can enable the photographic paper to be more closely covered on the printing roller, so that the space utilization rate is improved.

The invention discloses thermal dye sublimation photographic paper and a preparation method thereof, the thermal dye sublimation photographic paper comprises a base material, a bottom layer and an image receiving layer which are stacked, and the image receiving layer comprises 5-25 parts by weight of resin emulsion, 0.5-5 parts by weight of a dye receiving accelerant, 0.5-5 parts by weight of modified silicone oil and 1-5 parts by weight of an emulsifier. By adopting the thermal dye sublimation photographic paper with the image receiving layer, volatilization of an organic solvent in the production process of the photographic paper can be reduced, operation is easy, environment friendliness is achieved, meanwhile, the receiving rate of dye in a colored tape in the printing process can be effectively increased, and then the color density of the photographic paper after printing is improved.

The utility model belongs to the technical field of photo album structures, and relates to a portable photo album structure with three layers of photographic paper, which comprises a sealing ridge, two sides of the sealing ridge are respectively connected with an envelope and a back cover, the inner wall of the sealing ridge is connected with inner pages through mucilage glue, sealing plates are arranged on the outer sides of the envelope and the back cover, and the sealing plates are fixed on the envelope and the back cover through sewing threads. Handles are arranged in the centers of the side walls of the cover and the back cover, one end of each U-shaped handle is fixed on the inner walls of the cover and the back cover, a magnetic block is arranged at the other end of each handle, the outer end of each handle is bent and then attached to the outer walls of the cover and the back cover, and iron sheets are arranged in the cover and the back cover and correspond to the magnetic blocks. The U-shaped magnetic attraction handle and the three layers of inner pages are adopted, the portable hand lifting function is achieved, the sealing plate is reinforced through the sewing threads, the structural strength is improved, the cover is automatically attracted and closed through cooperation of the magnetic blocks and the iron sheets, the adhesive inner pages ensure that photographic paper is stably stored, and practicability and durability are both achieved.

The application belongs to the technical field of imaging, and provides a color paper and a preparation method thereof. The structure of the color paper comprises a support, a blue-sensitive emulsion layer, a first gelatin separation layer, a green-sensitive emulsion layer, a second gelatin separation layer, a red-sensitive emulsion layer, an ultraviolet absorption layer and a protective layer arranged in sequence, wherein the protective layer comprises gelatin, oxidized polyethylene wax, silica sol and a surfactant. The color paper has high anti-blocking performance and high glossiness.

1. Name of the product in this design: Electronic display paper. 2. Intended use of this design: This design is intended for use as electronic photographic paper for cameras. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

The utility model discloses a laser alignment device for sealing a light path, which comprises a cross wire positioning part, a first baffle plate and a second baffle plate which are positioned on two sides of the cross wire positioning part, and a fixing part positioned at the top of the cross wire positioning part, and the fixing part is used for connecting the laser alignment device with laser equipment. The cross wire positioning part comprises a bent plate, blocking covers located on the two sides of the bent plate and a partition plate located between the two blocking covers, containing grooves used for containing the first baffle and the second baffle are formed between the partition plate and the bent plate and between the partition plate and the two blocking covers respectively, and gaps are formed between the first baffle and / or the second baffle and the partition plate. A cross wire positioning hole penetrating through the thickness direction of the partition plate is formed in the partition plate. According to the laser alignment device for sealing the light path, smoke generated when light spots hit on photographic paper during laser alignment can overflow from a gap between the first baffle or the second baffle and the partition plate and cannot stay in a light box of laser equipment, and pollution to a lens can be avoided.

The utility model relates to the technical field of paper processing devices, and discloses an automatic deviation rectifying mechanism of a photographic paper splitting machine, which comprises a machine body, the top of the machine body is fixedly connected with a plurality of cutting machines at equal intervals, the rear side of the top of the machine body is fixedly connected with a hollow block, and the right side of the outer wall of the hollow block is fixedly connected with radiating fins. A plurality of supporting plates are fixedly connected to the right side of the outer wall of the hollow block at equal intervals, a plurality of threaded rods are rotatably connected to the adjacent sides of the supporting plates at equal intervals, worm wheels are fixedly connected to the rear ends of the outer walls of the threaded rods, and a second motor is fixedly connected to the rear side of the outer wall of the hollow block. According to the self-cleaning heat dissipation device, the brush moves along the threaded rod to clean the heat dissipation fins, and the anti-deviation detector monitors the slitting state of paper to prevent deviation, so that the problem that after the self-cleaning coating cracks and falls off, the self-cleaning performance of the coating is gradually reduced, dust is gradually accumulated on the fins, and the heat dissipation effect is affected is solved.

The utility model relates to a laser spot testing frame which comprises a base, a guide rail is vertically fixed on the base, a sliding block is connected to the guide rail in a sliding mode, a clamping jaw is fixed to the sliding block, a locking knob is arranged on the sliding block, photographic paper is placed on the base, the center of the photographic paper is located below the clamping jaw, and the locking knob is arranged on the base. And a pressing unit is arranged at the edge of the photographic paper. According to the utility model, the laser output handle is clamped by the clamping jaw instead of being held manually, so that the measurement error is reduced; the sliding rail and the sliding block are used for sliding connection, the distance between the photographic paper and the laser output handle can be changed, the target distance can be quickly adjusted through scales on the sliding rail, and adjustment is more convenient and accurate. The photographic paper is placed on the mica sheet material with low thermal conductivity and high temperature resistance, so that the measurement is more accurate; and a mode of fixing the photographic paper by magnetic attraction is used, so that the tester is safer.