130results about How to "Fast coating speed" patented technology

The invention discloses a method for boron doping of a crystalline silicon solar battery, which comprises the following steps that: a first layer of film-boron doped silicon oxide film is deposited on the surface of a silicon chip after the wool making, a second layer of film-silicon oxide film is deposited on the first layer of the film to be used as a barrier layer, then the silicon chip is processed at high temperature, so boron atoms can be diffused into a silicon basic body to form a boron doped layer. Due to the adoption of the method, a boron transmission electrode (p+) can be prepared on an n-type silicon chip, or a boron back surface (p+) is formed on a p-type silicon chip. Through the barrier layer, single-faced boron doping can be realized, and a boron source is free from being sucked into a diffusion furnace tube, so the corrosion of the furnace tube can be reduced, and the service life can be prolonged; and if a phosphorus source is introduced during the high-temperature annealing process, the boron doping and phosphorus doping can be respectively realized on two sides of the silicon chip.

The invention relates to a matt release film. The matt release film comprises a base film and a matt release coating layer arranged at one side of the base film; and the matt release coating layer is formed by coating a fluorine-containing thermosetting coating, and the coating comprises fluorine series resin, acrylic resin, aldehyde ketone resin, a curing agent system, an assistant, a delustering agent and a mixed solvent. The matt release film has the advantages of low surface tension, good adhesiveness and overcoatability, excellent heat and solvent resistance, and high residual adhesion rate and excellent matt effect after peeling when the matt release film is used in the field of electron manufacturing.

The present invention discloses a transcutaneous plaster containing tulobuterol, its preparation method and application. The pressure-sensitive adhesive used by said invention is a hot-melt pressure-sensitive adhesive whose melting point is 50-250 deg.C. the described hot-melt pressure-sensitive adhesive is an adhesive made up by using thermoplastic polymer as main raw material, and hs the hot-melting and pressure-sensitive double characteristics. Said product contains no organic solvent, and its coating speed is quick, and its cost is low.

The invention relates to a simple preparation method of a graphite and/or silicon negative electrode material with the surface coated with carbon. The method comprises the steps that dopamine hydrochloride, water and alkaline matter are used for preparing a dopamine buffer solution, natural spherical graphite and/or silicon and the dopamine buffer solution are mixed, stirred for 0.1-96 hours at the temperature ranging from 10 DEG C to 100 DEG C, filtered and dried to obtain graphite and/or silicon coated with a dopamine precursor, the graphite and/or the silicon coated with the dopamine precursor is carbonized for 0.1-96 hours at the temperature ranging from 200 DEG C to 3500 DEG C under the protection of inert gases, and finally modified graphite and/or modified silicon evenly coated with amorphous carbon is obtained. The coating method is easy, convenient and low in operating cost and has great industrial prospect. Compared with an existing coating method, the method has the advantages that a coating layer is uniform, and the coating rate is high; moreover, the thickness of the coating layer can be accurately controlled by adjusting the concentration of the dopamine solution and the stirring time so that the optimum thickness of the graphite coated with the amorphous carbon can be obtained after optimization.

The invention discloses a preparation method of a water system laminated type lithium-ion battery pole piece and belongs to the technical field of production of lithium-ion batteries. The method has the following advantages that (1) continuous coating is realized, the coating efficiency is improved, the range of a coating thickness abnormal region is reduced and the coating thickness is monitored online; (2) continuous roll pressing is realized, the roll pressing efficiency is improved, a roll pressing thickness is monitored online and frequent vibration loss of a roll pressing machine is alleviated; (3) the thicknesses of cut regions are the same in a cutting process, the cutting defects are small and the stability is good; (4) the slicing efficiency can be improved by utilizing high-speed slicing equipment, surface defects of the pole piece can be monitored online by utilizing a CCD (Charge Coupled Device) image measuring instrument and NG pole pieces are eliminated; and (5) the waste of raw material left overs is reduced and the utilization rate of positive and negative electrode foils and positive and negative electrode materials is improved.

The invention discloses a multichannel pulsed laser deposition method for preparing a YSZ buffer layer, which comprises the following steps of: arranging a nickel-tungsten metal base band, a Hastelloy band, a stainless steel band or other metal base bands in a deposition cavity, winding on a band roller of a metal band transmission device of multichannel pulsed laser deposition equipment for multiple times, and raising the temperature of a heater to deposition temperature; opening an oxygen channel; starting a YSZ target manipulator and beginning the x-direction and y-direction scanning and rotation of a YSZ laser evaporation target platform; opening an optical path window of a laser, and beginning pre-evaporating the YSZ target platform; beginning depositing; and making the metal base band pass through the heater for multiple times due to multiple winding of a roll shaft of the transmission device, and finally stopping corresponding equipment. The YSZ buffer layer is prepared by the multichannel pulsed laser deposition method, so that a defect of a small deposition area of a unichannel pulsed laser deposition method is overcome, the deposition speed is greatly improved, various advantages of the pulsed laser deposition method are exerted fully, and the prepared YSZ buffer layer has single orientation, high surface quality and high crystallinity.

The invention relates to an automatic film-enveloping and piece-laminating machine. The machine comprises a stander, a lower diaphragm unreeling device, an upper diaphragm unreeling device, a piece-feeding device, a piece-moving device, a sealing-pressing device, a shearing device and a piece-laminating device, wherein long-strip-shaped piece-moving platforms are arranged on the stander; the piece-feeding device comprises sucking disc piece-fetching mechanisms and a piece-feeding translation mechanism; the piece-moving device comprises a clamp plate translation mechanism, piece-moving substrates, clamp plate air cylinders, base plates and clamp plates; the sealing-pressing device comprises a heat-seal assembly and a heat-seal lifting mechanism, the heat-seal assembly is located above the piece-moving platforms, and the heat-seal lifting mechanism is used for driving the rising and the falling of the heat-seal assembly; the piece-laminating device comprises sucking disc piece-fetching mechanisms, a piece-laminating translation mechanism and piece-collecting mechanisms, and the piece-laminating translation mechanism is used for driving the sucking disc piece-fetching mechanisms to carry out translational motion. According to the automatic film-enveloping and piece-laminating machine, the full automation is realized during film-enveloping, heat-seal, shearing and piece-laminating processes, the film-enveloping precision is high, the film-enveloping speed is high, and the film-enveloping effect is good.

The invention discloses polyurethane wire enamel which is characterized by being prepared from raw materials in parts by weight (kilogram) as follows: 12-15 parts of polyurethane resin, 10-15 parts of E-12 epoxy resin, 1-2 parts of monobutyltin oxide, 2-3 parts of montmorillonite powder, 6-9 parts of pentaerythritol hexaacrylate, 3-4 parts of 1,6-hexamethylene diisocyanate, 12-15 parts of nylon 12, 2-3 parts of tree ash, 1-2 parts of 2-ethyl-4-methylimidazole, 3-4 parts of jade powder, 7-9 parts of an assistant, 100-120 parts of xylene and 100-120 parts of m, p-cresol. According to a preparation method, defects of poor flexibility, small adhesive force and smaller DV (diameter and velocity) values of a polyurethane enamelled wire produced with a conventional method are overcome, and the adherence and the heat resistance are improved. According to the polyurethane wire enamel prepared with the method, the margin of a wire coating process is large, and the wire coating velocity is high. The method can be used for preparing novel 180-grade polyurethane wire enamel with high DV values.

The invention relates to double-sided coating equipment. The double-sided coating equipment comprises front-side coating equipment and back-side coating equipment, wherein the back-side coating equipment comprises a second rack, and a first guide roller, a traction roller, a second guide roller and a second coating roller which are sequentially distributed below a base material in the back-side coating direction of the base material are erected on the second rack; and a glue tank used for infiltrating part of the second coating roller is arranged under the second coating roller, the second guide roller is arranged on one side of the second coating roller, a second scraper is fixed to the other side of the second coating roller, the blade point of the second scraper is connected with the outer surface of the second coating roller in an abutting mode, the front-side coating equipment is located below the back-side coating equipment, and a middle roller is positioned between the front-side coating equipment and the back-side coating equipment. According to the high-efficiency double-sided coating equipment and a processing technology applying the double-sided coating equipment, double-sided coating can be achieved on one coating line.

The invention provides an aluminum foil double-face fast coating device. The aluminum foil double-face fast coating device comprises a first frame, an unwinding mechanism, a feeding drawing mechanism, a coating mechanism, a drying oven, a discharging drawing mechanism and a winding mechanism, wherein the unwinding mechanism, the feeding drawing mechanism, the coating mechanism, the drying oven, the discharging drawing mechanism and the winding mechanism are arranged on the first frame. The coating mechanism is a double-face ladder type coating mechanism which comprises a front side coating mechanism body and a back side coating mechanism body. The drying oven is a suspension drying oven. Aluminum foil sequentially passes through the unwinding mechanism, the feeding drawing mechanism, the coating mechanism, the drying oven, the discharging drawing mechanism and the winding mechanism, and then double-face coating is completed. An aluminum foil double-face fast coating method sequentially comprises the steps of unwinding, front side coating, back side coating, double-face drying and winding. According to the aluminum foil double-face fast coating device and method, through the ladder type one-time front side and back side coating and one-time double-face drying technologies, the material conveying path is greatly shortened, fast coating is achieved, the coating speed can reach 150m/min, in addition, the double faces are dried at a time after being coated, the space of the drying oven is saved, the manufacturing cost is reduced, meanwhile, energy is saved by about 160KW/h, and the aluminum foil double-face fast coating device and method are suitable for gravure coating and reverse kiss coating.

A process for coating active component on the cellular carrier with two open ends includes such steps as immersing one end of said carrier in the active component slurry while applying vacuum to its another end for forcing the slurry to flow through the channels of carrier, scavenging by high-pressure gas for removing excess slurry from channels, and drying.

The invention discloses an embedded touch colour-film substrate and a manufacturing method thereof. The embedded touch colour-film substrate comprises a substrate, first metal layers, first organic film layers, second metal layers and second organic film layers, wherein the substrate comprises multiple display areas and multiple nondisplay areas surrounding the display areas; the first metal layers, the first organic film layers, the second metal layers and the second organic film layers are formed on the substrate in sequence; each of the second metal layers comprises multiple electric conduction cushions arranged in the nondisplay areas; multiple through holes or through grooves are formed in each of the first organic film layers in the nondisplay areas; the electric conduction cushions are respectively and electrically connected with the first metal layers through the through holes or the through grooves; moreover, the electric conduction cushions are respectively exposed outside the second organic film layers. By applying the embedded touch colour-film substrate provided by the invention, the time on coating a frame sealing glue can be effectively shortened, so that the production efficiency can be improved greatly.

The invention relates to a metal foil winding type vacuum coating continuous production line. The continuous production line comprises a coating chamber, the coating chamber is divided into a front section and a rear section, windows are correspondingly disposed on one sides of cavities at the front section and the rear section, and rails perpendicular to racks are arranged on one sides of the racks corresponding to the windows; a planar rectangular cathode arc source device is disposed in the front section, and comprises a target material and a moving trolley, and the target material is fixedon a vertical panel of the moving trolley and is positioned in a supporting drawer box; the moving trolley walks on the vertical rail, a sealing door bracket composed of a frame and a vertical panelis arranged on the moving trolley, a side of the vertical panel facing the window is a seal surface and is in seal design correspondingly with a window frame of the window, and a groove-shaped supporting drawer extending to the window is fixed on the vertical panel. A rotary columnar medium-frequency magnetron sputtering target device is disposed in the rear section, and comprises a sputtering target and a moving trolley assembly, the sputtering target is fixed on the vertical panel and is located in the supporting drawer box; and the target material and the sputtering target are respectivelypushed into or pulled out of each chamber by the moving trolley. The coating layer is uniform and stable in color, and the technological process is reliable.

The invention relates to a controlled release transdermal patch for preventing and treating cardiovascular and cerebrovascular system diseases, which consists of a protectively layer, a medicine release layer, a medicine storage layer and a back lining layer through being sequentially overlapped, wherein the protectively layer is siliconized anti-sticking paper or a polyethylene film or a siliconized polyester film, the back lining layer is an aluminum foil, an aluminum foil and polyethylene composite film or a polyester composite film, the medicine releasing layer is prepared from 3 to 8 percent of cyclovimbuxine D, 60 to 70 percent of pressure sensitive adhesive substrates, 5 to 10 percent of composite transdermal penetrating agents, 20 to 30 percent of plasticizing agents and 1 to 3 percent of cross-linking agents, the medicine storage layer consists of 8 to 15 percent of the cyclovimbuxine D, 50 to 60 percent of the pressure sensitive adhesive substrates, 1 to 5 percent of composite transdermal penetrating agents, 20 to 30 percent of plasticizing agents and 1 to 3 percent of cross-linking agents. The patch of the invention is prepared by an organic solvent dispersing method, the preparation process is simple, the prepared patch has the exact curative effect, stable quality, high safety and convenient use, and is applicable to the long-time prevention and treatment of the cardiovascular and cerebrovascular diseases.

The invention discloses a spraying device for the film surface of a secondary battery. The spraying device comprises a coating frame (10) arranged horizontally. A film base material (6) is transversely placed at the top of the coating frame (10). A first coating set and a second coating set are installed on the top face of the film base material (6) in a spaced manner. The first coating set and the second coating set are used for carrying out interval coating on the top face of the film base material (6) in an alternating manner. The spraying device for the film surface of the secondary battery enables coating speed to be free of restriction of an interval coating process while increasing the coating speed of a coating machine substantially, and the effect of effectively reducing coating intervals is ensured, so that larger capacity of the battery is ensured. Product use experience of users is improved easily, wide application and popularization of the high-capacity secondary battery are promoted, and the spraying device has great production practice significance.

The invention discloses a high-performance waterborne pressure-sensitive adhesive for a polyethylene protective film. A mode of seed emulsion polymerization is adopted, a seed emulsion is prepared, a pre-emulsion is dropwise added to the seed emulsion, reaction is conducted completely in a mode of replenishing an initiator, cooling, pH value adjusting and filtering are conducted, and the high-performance waterborne pressure-sensitive adhesive is obtained. The invention further provides the polyethylene protective film of the waterborne pressure-sensitive adhesive. The prepared emulsion pressure-sensitive adhesive can obtain the protective film with proper peel strength by adjusting the dosage of a cross-linking agent and coated adhesive quantity and is widely used for door window framework profiles, window frame profiles, solar frame profiles, decorative panels such as aluminum-plastic panels and plastic gusset plates, curtain wall profiles and decoration strip profiles.

The invention discloses a period effect percutaneous patch of a self viscosity elastic body substrate covering and bearing testosterone and a preparation method thereof. The period effect percutaneous patch comprises a support layer, a medicine taking self viscosity elastic body substrate layer and a separation layer. The support layer is covered on one side of the medicine taking self viscosity elastic body substrate layer, and the separation layer is covered on the other side of the medicine taking self viscosity elastic body substrate layer. The period effect percutaneous patch adopts the lipotropy elastic body substrate with the low melting point to contain the testosterone, and a stable and effective testosterone blood concentration is maintained in 7 days. The patch is excellent in medicine skin penetrating performance, good in adhering performance, high in medicine loading rate, good in air permeability and free of residue when being stripped from the skin. A preparation process of the period effect percutaneous patch of the testosterone uses no machine solvent and is environment-friendly, coating is carried out in a melting state, and the preparation process has the advantages of being high in coating speed, high in production efficiency and low in cost.