156 results about "Gold foil" patented technology

The invention discloses an efficient transfer printing gilding press and a using method thereof, and belongs to the technical field of gilding presses, the efficient transfer printing gilding press comprises a rack, the rack is sequentially provided with an unwinding roller, a gilding device and a winding roller in the in-out direction of paperboards, a processing center is fixedly arranged on the rack, and a cutting assembly used for cutting gilding foil is arranged between the gilding device and the winding roller; a monitoring device is arranged between the pressing device and the cutting assembly, and the unwinding roller and the winding roller are rapidly replaced through a rapid replacement assembly. According to the efficient transfer printing gilding press and the using method thereof, a complete monitoring view of the gilding foil surface is constructed through the industrial camera, and data such as a gilded area and an unused area are accurately recognized in combination with an image processing algorithm based on deep learning; and based on data, the cutting assembly is commanded to divide the hot stamping foil into an available area and a waste area, the utilization rate of the hot stamping foil is increased, and the effects of reducing cost and improving efficiency are achieved.

The invention discloses a nickel-based resistance alloy foil with an adjustable resistance temperature coefficient and a preparation method of the nickel-based resistance alloy foil, and belongs to the technical field of resistance alloy manufacturing. The nickel-based resistance alloy foil is prepared from the following raw materials in percentage by mass: 19.0 to 20.0 percent of chromium, 2.5 to 3.5 percent of aluminum, 2.0 to 3.0 percent of copper, 0.5 to 2.0 percent of silicon, 0.5 to 1.5 percent of manganese, 0.05 to 0.2 percent of zirconium, 0.05 to 0.1 percent of rare earth and the balance of nickel and inevitable impurities. The thickness of the prepared nickel-based resistance alloy foil reaches 0.0015-0.01 mm, and the resistance temperature coefficient range is (90-42) * 10 <-6 > / DEG C; the resistance temperature coefficient of the alloy can be regulated and controlled through annealing treatment, V-shaped conversion from the positive direction to the negative direction is achieved at the K conversion point of the alloy, and the alloy meets the performance requirements of resistance strain gauges, precision resistors, measuring instruments and other industrial device resistance elements.

Provided is a negative electrode comprising a current collector with tensile strength ranging from about 1,000 MPa to 2,000 MPa and an active material layer. The current collector may be a Fe—Ni alloy foil containing nickel (Ni) from about 10 wt % to 60 wt % with an average grain size of less than 10 nm. An all-solid-state battery including this negative electrode and a method for its preparation are also described. The method involves stacking and isostatic pressing, with specific parameters for pressure, temperature, and time.

The invention discloses a high-entropy alloy foil strip and a laser welding method of a titanium alloy and an aluminum alloy, and belongs to the technical field of dissimilar metal laser welding machining, the high-entropy alloy foil strip is used as a dissimilar metal welding middle layer, and the chemical formula of the high-entropy alloy foil strip is TiaFe2aCo2aNi2aCub; wherein a and b both represent atomic proportionality coefficients, b is a continuous adjustable real number parameter in a [1, 3] interval, and 7a + b = 10. The high-entropy alloy foil strip system has uniqueness in element selection, the proportion of Ti, Fe, Co, Ni and Cu is optimized by combining a Miema model and the metallurgical compatibility of base metal, a stable FCC solid solution can be formed in the welding process, the wettability and the structure stability can be improved, and therefore it is ensured that the performance of a welded joint is improved. A high-entropy alloy foil strip middle layer is introduced between two base materials, the high-entropy effect and the hysteresis diffusion effect are utilized, chemical components of a joint are regulated and controlled, generation of brittle Ti-Al intermetallic compounds in a weld joint is restrained, and therefore the mechanical property of the welded joint is improved.

The invention discloses a preparation method of a lithium-copper composite foil, which comprises the following steps: S1, a lithium-based alloy is selected and rolled to form a lithium alloy foil, and the alloy element in the lithium-based alloy is at least one of magnesium, zinc or aluminum; s2, selecting a piece of copper foil as a supporting framework; and S3, the two pieces of lithium alloy foil and copper foil are stacked together according to the sequence of lithium alloy foil-copper foil-lithium alloy foil, the stacked pieces of lithium alloy foil and copper foil are placed in a roller press to be rolled, metallurgical bonding is formed between the copper foil and the lithium alloy foil, and the lithium-copper composite foil is obtained. The invention adopts release-film-free rolling preparation, aims to solve the problem that lithium metal is easy to stick to a roller due to high viscosity and needs to depend on a high-cost release film in the prior art, simplifies the preparation process of the composite foil, reduces the manufacturing cost, increases the mechanical strength of the lithium-copper alloy foil, reduces the thickness, improves the energy density of the battery, and further improves the product quality and reliability.

The invention discloses a multi-layer heat insulation composite material based on a high-temperature-resistant modified alloy foil and a preparation method thereof, and belongs to the technical field of thermal protection materials.The preparation method comprises the following steps that (1) the alloy foil is subjected to high-temperature pre-oxidation treatment for a period of time in the air atmosphere, and the high-temperature-resistant modified alloy foil with good infrared radiation shielding performance is obtained; (2) alternately laminating the spacer material and the high-temperature-resistant modified alloy foil to obtain a multi-layer heat insulation composite material based on the high-temperature-resistant modified alloy foil; in the multi-layer heat insulation composite material based on the high-temperature-resistant modified alloy foil, the upper surface and the lower surface are both made of spacer materials, and a layer of high-temperature-resistant modified alloy foil reflecting screen is arranged between every two layers of spacer materials. The problem that a traditional reflecting screen system is insufficient in temperature resistance is solved, and the use environment of the multi-layer heat insulation composite material based on the metal reflecting screen is effectively widened.

An ink jet and gold stamping all-in-one machine comprises a machine frame, a gold stamping foil unwinding device and a gold stamping foil winding device are arranged on the two sides in the machine frame respectively, gold stamping foil paper moves from the gold stamping foil unwinding device to the gold stamping foil winding device, and in addition, a plurality of guide rollers are arranged in the gold stamping foil paper conveying process. In addition, an ink jet device and a printing material winding and unwinding device are further arranged above the rack, and a gold stamping roller is further arranged between the printing material winding and unwinding device and the gold stamping foil winding device. The ink jet device directly sprays on the gold stamping foil paper, the problems that ink diffuses and permeates, patterns deform and images are not clear when some characteristic printing materials such as cloth are jetted are solved, the gold stamping effect of the printing materials such as the cloth is guaranteed, in addition, the working process of the whole machine is simple and efficient, the arranged deviation corrector prevents the materials from deviating, and the production efficiency is improved. And the flatness of the alumite film is ensured by the tensioning device, and the printing quality of a product is ensured.

The invention discloses a method for electrochemical gradient extraction of gold and copper in electronic waste, which comprises the following steps: taking a mixed solution composed of sulfuric acid and copper sulfate as a first electrolyte, taking the electronic waste as an anode, carrying out a first electrolytic reaction, then taking out the degolded electronic waste, and carrying out solid-liquid separation and drying on an anode chamber solution to obtain the gold and copper in the electronic waste. Gold foil is obtained; and taking a mixed solution consisting of sodium chloride, sulfuric acid, copper sulfate and diethylenetriamine pentaacetic acid as a second electrolyte, adding the degolded electronic waste into the anode chamber, carrying out a second electrolytic reaction, then collecting sediments in the cathode chamber, and passivating, cleaning and drying to obtain the copper foil. According to the method, gold in the electronic waste is directly extracted through an electrochemical method, copper is continuously extracted through a slurry electrolysis method, the process of extracting gold and copper from the electronic waste is shortened, the recovery rate of obtained gold and copper is high, and the purity of copper is high; the used medicament is simple, easy to treat and good in environmental benefit.

The invention belongs to the technical field of alloy foil preparation, and particularly relates to a preparation method of a FeCrCoW4.5 alloy foil. Comprising the following steps that N passes of cold rolling are conducted on a FeCrCoW4.5 alloy blank, N is larger than or equal to 3, the deformation amount of each pass of cold rolling is 40-70%, annealing treatment is conducted at the temperature of 1000-1200 DEG C after the last pass, work hardening generated by cold rolling is eliminated, final cold rolling is conducted after annealing treatment till the thickness is 0.06 mm, and the alloy foil is obtained. Through multi-pass cold rolling and annealing combined machining, during cold rolling, a large number of dislocation and other defects can be generated in a material, so that the hardness of the material is increased, and the plasticity is reduced; and annealing is carried out after multi-pass cold rolling, atoms in the material can obtain certain energy, dislocation and other defects are rearranged and combined, and part of the defects are eliminated, so that the hardness of the material is reduced, certain plasticity is recovered, and the comprehensive mechanical property of the material is improved.

The present invention addresses the problem of suppressing deformation such as edge waves, center waves, and warping from occurring in an ultra-thin (50 μm or less in thickness) iron–nickel alloy foil, and the purpose of the present invention is to obtain an iron–nickel alloy foil in which such deformation is suppressed. This iron–nickel alloy foil has a positron annihilation lifetime (PAL) of at least 0.150 ns and can reduce the amount of deformation (the total evaluated amount of deformation such as edge waves, center waves, and warping) relative to conventional products. In order to form a primarily vacant microstructure to achieve a PAL of at least 0.150 ns, an iron–nickel alloy foil can be obtained by manufacturing an alloy block (slab) by HIP treatment and rolling and heat treating the alloy block in accordance with conventional methods.

The application discloses a kind of short process gold extraction devices of waste printed circuit board.It includes separation module, collection module and electrodeposition part.Separation module contains leaching tank, and leaching liquid and cleaning liquid are alternately introduced, and leaching process is strengthened using micro-bubble generator and heater, so that gold foil is stripped from the surface of circuit board;Collection module contains filter and temporary storage tank, for intercepting and collecting gold foil and classifying temporary storage liquid;Electrodeposition part is connected to temporary storage tank, and copper in leaching solution is recovered through electrodeposition tank, and tail liquid flows back to leaching tank to realize closed circuit circulation.The application adopts integrated design, and combines selective leaching and physical interception by micro-bubble strengthening, without complex high-temperature or cyanide equipment, and one step realizes efficient stripping of gold and electrolytic recovery of copper;At the same time, leaching solution is closed circuit, and cleaning liquid is recovered in stages, which significantly shortens the process flow, reduces equipment investment and environmental pollution.

The present invention aims to provide a copper alloy ingot with further improved uniformity of physical properties. The copper alloy ingot of the present invention has a composition containing at least one additive element, and the balance consisting of Cu and unavoidable impurities, the at least one additive element being a trace element at a concentration of 10 to 50 mass ppm, and the deviation in the concentration of the trace element in the length direction being within ±3.5 mass ppm relative to the average concentration of the trace element.

Provided is a high-precision metal mask plate low-expansion alloy foil high-surface quality control method, comprising: sequentially performing hot rolling, pickling to remove the oxide skin, first grinding treatment, first cold rolling treatment, second grinding treatment, and second cold rolling treatment on the alloy foil blank. In the first grinding treatment and the second grinding treatment, the grinding wheel rotates along its own axial direction and performs periodic reciprocating motion along the width direction of the plate / band, and the axial direction of the grinding wheel is perpendicular to the surface of the plate / band. In the second cold rolling treatment, the work roll is subjected to the work roll grinding treatment method for grinding treatment, and the polishing roll is first subjected to the work roll grinding treatment method for grinding treatment and then subjected to the polishing roll polishing treatment method for polishing treatment. Through the method, a high-precision metal mask plate low-expansion alloy foil with a thickness of not greater than 0.04 mm and a horizontal / vertical roughness difference rate of ≤25% is obtained, meeting the high-surface quality requirements of the OLED industry.

This invention relates to a process for manufacturing hot stamping foil for cigarette tipping paper. The process involves preparing a base film layer, release layer, color layer, plating layer, and adhesive layer using biodegradable materials. The base film is prepared by mixing polylactic acid with a cellulose derivative. A wax-based release agent is then coated onto the base film to form the release layer. Next, a water-based pigment is coated to form the color layer. A thin aluminum plating layer is formed using vacuum evaporation. Finally, a biodegradable adhesive is coated to form the adhesive layer. The hot stamping foil obtained by this process is suitable for cigarette tipping paper, possessing certain degradation properties and hot stamping adhesion. The manufacturing process includes raw material preparation, coating, and drying steps, and is applicable to the cigarette packaging industry.

1. Name of the product in this design: Picture frame strip (3560 hot stamping decoration). 2. Purpose of this design: For use as a picture frame strip. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. The bottom view is shown in the 3D view, so the bottom view is omitted.

A negative electrode is provided, comprising a current collector with a tensile strength in the range of approximately 1,000 MPa to 2,000 MPa and an active material layer. The current collector can be an Fe-Ni alloy foil containing nickel (Ni) of approximately 10 wt.% to 60 wt.% with an average grain size of less than 10 nm. A solid-state battery incorporating this negative electrode and a method for its fabrication are also described. The method involves stacking and isostatic pressing with specific parameters for pressure, temperature, and time.

1. The name of the design product: packing box (happy). 2. The use of the design product: used for gold foil product storage and display. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. The bottom view is omitted because it is symmetrical with the top view.

The present application relates to the technical field of gold stamping printing, and discloses a double-layer planar gold stamping printing process and a processing equipment thereof, which comprises a fixing table and a gold stamping plate, the top of the gold stamping plate is fixedly connected with a fixing column, the top of the fixing column is fixedly connected with a movable telescopic support frame, the gold stamping plate is arranged above the fixing table, a coiling structure is coaxially arranged above the gold stamping plate, a driving structure for rotating the coiling structure relative to the gold stamping plate is further connected to the coiling structure, a gold foil paper is installed on the coiling structure, and the surface of the gold foil paper is attached to the bottom surface of the gold stamping plate; the stable fixation of the paper is realized by generating a pressure difference on the surface of the processed paper, the pressure difference pushes the processed paper to tightly adhere to the adsorption surface, the need for a complex mechanical clamping device is avoided, the manufacturing and maintenance costs of the processing equipment are greatly reduced, the operation convenience is improved, and the suction force provided by the negative pressure system can be adjusted according to different paper types and thicknesses, thereby increasing the production flexibility.

This invention discloses a method for preparing EBSD analysis samples of nickel-based resistance alloy foil, comprising: using stainless steel as the cathode and nickel-based resistance alloy foil as the anode, connected to the negative and positive terminals of a constant current and voltage regulated power supply, respectively; immersing the anode and cathode in an electrolytic polishing solution for electrolytic polishing; the raw materials of the electrolytic polishing solution include phosphoric acid, sulfuric acid, hydrochloric acid, hexadecyltrimethylammonium bromide, and water; after completion, removing the nickel-based resistance alloy foil, washing, and drying. The electrolytic polishing solution used in this invention can effectively remove the stress layer on the surface of the foil, resulting in a smooth and clean surface without continuous corrosion pits. It has advantages such as wide availability of materials, simple preparation, low price, and high calibration rate. The electrolytic polishing method of this invention is easy to operate, requires short sample preparation time, has low cost, and stable results, effectively reducing the hardware requirements for foil EBSD sample preparation and facilitating widespread application.

The retro atmosphere lamp with the tungsten filament effect comprises a lamp body assembly, a light source assembly, a support assembly and a control module, and the lamp body assembly comprises an annular lamp holder, a reflecting cover, a front cover plate and a rear cover plate; the reflecting cover is arranged in the annular lamp holder, the reflecting cover is connected with the annular lamp holder through a front cover plate and a rear cover plate, and hammer textures and a 24K gold matte coating are arranged on the inner surface of the reflecting cover; the light source assembly comprises an LED chip, a fluorescent powder coating covering the LED chip and a control circuit. The fluorescent powder coating is configured to output light with the color temperature ranging from 1800 K to 2000 K. The control circuit is used for simulating brightness fluctuation of 0.1-0.3 lux; and the LED chip is positioned in the reflecting cover and is connected with the annular lamp bracket through the lamp holder assembly. According to the utility model, the color temperature and the natural fluctuation lighting effect of candlelight are simulated through the manual hammer pattern gold foil diffuse reflection structure on the inner surface of the reflecting cover and the light source assembly, so that the visual effect of a retro tungsten lamp or candlelight is vividly restored, and the requirements of theater stages, theme hotels and other scenes are met.

This application relates to a glass panel and its preparation method, comprising the following steps: screen printing a transition layer, forming a transition layer on the front side of a glass substrate by screen printing, wherein the melting temperature of the transition layer is lower than the tempering temperature of the glass substrate; transferring a gold foil decorative layer, adhering metallic decals of water-transfer printing paper to the surface of the transition layer to form a gold foil decorative layer; and tempering and sintering the glass substrate, preheating the glass substrate and then tempering and sintering the preheated glass substrate to form the glass panel. The glass panel prepared by the method of this application exhibits a realistic and excellent gold foil color effect that is not easily detached.

The application relates to the field of chemical vapor deposition preparation of two-dimensional layered MA2Z4 thin film materials, in particular to a preparation method of large-size ternary compound MA2Z4 thin films with controllable layer number. A chemical vapor deposition method is adopted, a gold-eighth group transition metal alloy foil is used as a growth substrate, a thin film containing a transition group metal M is deposited, pre-storage of M-A or M-Z sources in the alloy foil substrate is realized through annealing treatment in an environment with an A source or a Z source, a third element Z or A is introduced, and the stored elements precipitated to the surface of the alloy foil are reacted at high temperature not higher than the alloy melting point, the MA2Z4 thin film with controllable layer number is grown by regulating the thickness of the M source and the content of the eighth group transition metal in the growth substrate, and the electrochemical bubbling method is used to transfer the thin film to any substrate. The preparation process is simple, the film forming rate is fast, the thin film size is easy to enlarge, and the method is suitable for the preparation of large-area high-quality MA2Z4 thin films with controllable layer number.

The application provides a double visual effect anti-counterfeiting packaging box, which comprises a box body and a box cover. The back of the box body is provided with a hot stamping area, the hot stamping area is provided with a gold stamping foil, the gold stamping foil is embedded with a micro-text array, and the hot stamping area is recessed into the box body to form a groove. The box cover is provided with a windowed area, the windowed area is provided with a decoding sheet, and the side of the decoding sheet facing the box body is provided with a microlens array matched with the micro-text array. The periphery of the hot stamping area and the periphery of the windowed area are both provided with magnetic attraction assemblies. When the box cover is closed, the gold stamping foil is exposed on the back of the box body and presents a metallic luster. When the box cover is opened, the box cover is attached to the back of the box body through the magnetic attraction assemblies, the decoding sheet is embedded into the groove, the microlens array and the micro-text array are superimposed and single-point accurately aligned, and a moire magnified image is presented. The gold stamping foil embedded with the micro-text array is arranged on the back of the box body, the decoding sheet provided with the microlens array is arranged on the box cover, and the box cover is attached to the back of the box body to present a moire magnified image.

A hot rolling method of molybdenum-ruthenium alloy foil sheet, comprising the following steps: 1) preparing a molybdenum-ruthenium alloy blank plate with a density greater than 92%, a thickness of 10-30 mm, and a ruthenium content of 15-45 wt%; 2) hot rolling the molybdenum-ruthenium alloy blank plate, heating the molybdenum-ruthenium alloy blank plate in a heating furnace before each pass, and annealing once every 2 passes until a molybdenum-ruthenium alloy plate with a thickness of 2-5 mm is obtained; 3) fixing the molybdenum-ruthenium alloy plate in a transfer heat preservation tool, and then placing them together in a heating furnace for heating; 4) after heating, transferring the molybdenum-ruthenium alloy plate with the transfer heat preservation tool to a two-roll rolling mill, and hot rolling the molybdenum-ruthenium alloy plate, heating the molybdenum-ruthenium alloy plate with the transfer heat preservation tool in a heating furnace before each pass, and then transferring the molybdenum-ruthenium alloy plate with the transfer heat preservation tool to the two-roll rolling mill, annealing once every 2 passes until a molybdenum-ruthenium alloy foil sheet with a thickness of 0.1-0.2 mm is obtained.

1.The name of the design product: gold foil transparent refrigerator sticker (Song Dynasty brocade calligraphy). 2.The use of the design product: refrigerator sticker, decorate refrigerator. 3.The design points of the design product: the combination of shape and pattern. 4.The picture or photo that best shows the design points: front view. 5.The design claimed contains color.

This invention relates to a method for producing nickel-titanium shape memory alloy foil, comprising: selecting hot-rolled nickel-titanium shape memory alloy sheets with suitable composition, phase transformation temperature meeting requirements, thickness of 2-3 mm, length of 6-7 m, and width of approximately 350 mm; welding traction stainless steel strips to both ends of the hot-rolled nickel-titanium shape memory alloy sheets, and performing multi-pass cold rolling under tension on a four-high mill to obtain nickel-titanium shape memory alloy strip coils with fully broken metallographic structures; subjecting the nickel-titanium shape memory alloy strip coils obtained by tension rolling on the four-high mill to online cleaning, online annealing, online cleaning, surface grinding, and drying; simultaneously welding traction stainless steel strips to both ends of 10 dried nickel-titanium shape memory alloy strip coils on a composite billet; and performing multi-pass cold rolling under tension on the composite billet through a four-high mill to obtain nickel-titanium shape memory alloy foil coils with a thickness of 32-40 μm.

The invention relates to the technical field of gold stamping equipment, in particular to an adjustable gold stamping foil winding mechanism which comprises an L-shaped frame, a supporting plate is fixedly connected to the inner bottom face of the L-shaped frame, a T-shaped frame is fixedly connected to the inner wall bottom face of the L-shaped frame, and two right-angle frames which are symmetrically arranged are fixedly connected to the inner wall bottom face of the L-shaped frame; the side wall of the right-angle frame located in the front is fixedly connected with a flat plate frame, and the side wall of each right-angle frame is rotationally connected with a connecting plate. Through the arrangement of a first stop lever, a moving block and a linkage mechanism, the precise control and automatic cutting functions of the rolling amount are achieved; the connecting rod mechanism is triggered to drive the rack to move downwards, the driving gear rotates to enable the second stop lever to release the cutting knife, the second spring instantly drives the cutting knife to cut downwards to complete foil breaking, manual intervention is not needed in the process, and the cutting-off precision and the production continuity are remarkably improved.

The utility model discloses a gilding press for gilding fabric production, which is characterized in that glue is printed on fabric by arranging a silk-screen printing module, an intermittent feeding mechanism can intermittently supply glue to the silk-screen printing module, so that the glue can be kept in a proper amount, and a drying module dries the glue, so that the glue can be dried by the silk-screen printing module. The hot press prints gold foil or metal films in other colors on glue, the brush roller and the dust collector are arranged to brush away and clean the redundant metal films, then the cooling module cools the fabric, then the winding module winds the fabric, manual operation of workers is not needed, the labor cost of enterprises is reduced, and the production efficiency is improved. And the production efficiency is improved.

A self-folding and / or self-rolling fabric, such as, for example, a towel or the like, comprises an internal structure of a memory material such as, for example, a metal or metal alloy wire, a metal or metal alloy foil, a polymeric material, or combinations thereof having a memory. When the memory material is heated, such as within a common heat-generating clothes dryer, the memory material reforms into a shape, thereby imparting the shape onto the fabric.