33results about How to "Improve film production efficiency" patented technology

The invention relates to the field of preparation and application of a film material, in particular to a film making method capable of precisely controlling the film thickness and area of a nanometer-thickness film, thereby realizing high-efficiency control preparation of a nanometer-thickness film material with the uniform and consistent thickness. On the basis of the basic principle of a rotary centrifugal type film forming method, a printing spraying nozzle or pin head with a small aperture is used based on a base rotating device; under the conditions of the constant film forming liquid pressure and the controllable motion track, a certain amount of film forming liquid is sprayed on the surface of a film forming base at a certain rate in a micro liquid column manner, so that a uniform liquid film with the controllable thickness, shape, and area is formed; and thus a solid film material is obtained by controlling curing conditions. With the provided method, the high-efficiency and precise control preparation of the nanometer-thickness film material with the uniform thickness is realized. The film making method can be applied to technical fields of photoelectric devices, energy storage devices, protective functional coatings, catalytic materials, composite materials and the like widely.

The invention relates to a film paraptera bending device, used for forming a vertical and bending paraptera on the film of a panel. The invention provides a paraptera bending device. When a film forming an incision part is input, a paraptera is formed by automatically bending the inner side of the incision part. The paraptera bending device comprises a rack, a plurality of lifting rods disposed between a lifting stand and a bending platform, a lifting cylinder disposed on the lifting stand, a lifting plate which is combined with the lifting rod and is capable of lifting through the lifting cylinder, a sliding plate sliding back and forth on the lifting plate, a punch fixing plate combined with the sliding plate, a pressure plate which is capable of combining with the sliding plate through the lifting plate, and a bending plate disposed on top of a bending stand. The invention has advantages of conducting paraptera bending in a fast, correct and even way; improving the working efficiency of ink powder functioned film or various films for forming bending paraptera.

The invention relates to the technical field of film-making equipment, disclosing a film-making unit, a film-making system and a film-making method formed by connecting a plurality of film-making units. The film-making unit comprises a manipulator and a film-making equipment. The free end of the manipulator is provided with a clamping portion for clamping and lowering the substrate, the driving mechanism can drive the sliding assembly to slide along the work plane of the worktable, the sliding assembly is provided with a tray for clamping the substrate, the coating mechanism and the spraying mechanism are both installed on the worktable, and the brush head of the coating mechanism and the spraying head of the spraying mechanism are aligned with the upper surface of the tray; A manipulator,a coating mechanism, a spraying mechanism, and a driving mechanism are electrically connecte to that control panel. The invention has the advantages that the coating or spraying film preparation method can be selected according to requirements, and full automation can be realized.

The invention discloses a flexible nano-composite holographic storage film, and a preparation method and an application thereof, and relates to the technical field of holographic storage. The purposeof the invention is to solve the problems of preparation methods of flexible devices being unable to store information. The preparation method comprises the following steps: preparing a AgNO3 solutionand a PVA solution, and mixing the AgNO3 solution with the PVA solution according to a volume ratio of 1:(1.1-1.4) to obtain a AgNO3/PVA mixed solution; preparing a tannic acid solution having a PH value of 8.9, and mixing the tannic acid solution with the AgNO3/PVA mixed solution to obtain a AgNO3/PVA/TA mixed solution; and dispensing the AgNO3/PVA/TA mixed solution on a bendable colorless plastic substrate, and heating the plastic substrate to form a film and realize the conversion of Ag<+> into Ag NPs in order to obtain the flexible Ag/PVA/TA nano-composite film. The preparation method ofthe invention has the advantages of simplicity, low in cost, and obtaining of the flexible film with a high diffraction efficiency and a high absorbance and suitable for holographic storage.

The invention provides a microwave-enhanced selective swelling pore-forming method for a separation membrane, which comprises the following steps: preparing a compact film by using an amphiphilic block copolymer; immersing the obtained compact film in an alcohol or carboxylic acid solvent, and treating the compact film by using microwaves with the power of 160-800 W for 15-60 s; and immediately taking out and drying the film at room temperature to obtain an amphiphilic block copolymer separation membrane with a bicontinuous porous structure. According to the method, the time required by selective swelling pore-forming of the amphiphilic block copolymer is greatly shortened, and the film preparation efficiency is improved. The method has universality and can be widely applied to the pore-forming process of various amphiphilic block copolymers. And by adjusting the microwave power and time, the pore-forming degree is precisely controlled.

The invention discloses a preparation method and system of a membrane material. The preparation method of the membrane material comprises the steps of rotating a rotating body, enabling a selected area on the surface of the rotating body to be in contact with a film-forming solution when the selected area rotates to a first position, enabling the film-forming solution to be attached to the selected area to form a liquid membrane, and enabling the liquid membrane to form a membrane material as it continues to rotate with the selected area from the first position to the second position. The controllable preparation of various membrane materials can be realized, the thickness, the area, the components, the structure and the like of the membrane materials are easy to regulate and control, the membrane preparation efficiency is high, and the obtained membrane material is good in quality, low in cost and suitable for the requirement of large-scale production, and particularly has important application value in the field of preparation of high-quality, high-performance or special-performance membranes.

The invention discloses a device and method for solution casting a large film. The device comprises a heat-preservation top cover, a stainless steel water jacket, a film casting disc, a heating plateand a heat-preservation bottom plate; the heating plate is medially arranged on the heat-preservation bottom plate, the stainless steel water jacket is arranged at the portion, wound around a round upwards, along the edge of the heat-preservation bottom plate, and is higher than the film casting disc, a condensation-solvent collecting trough is arranged at the portion, wound around a round inwards, of the bottom edge of the stainless steel water jacket, and the heat-preservation top cover covers the upper end of the stainless steel water jacket for sealing; a plurality of adjusting supportinglegs are arranged below the heat-preservation bottom plate; a plate is arranged on the upper surface of the heating plate; the film casting disc is medially arranged on the upper surface of the heating plate; float glass is arranged at the disc bottom of the film casting disc, and a round of disc edge is arranged on the edge of the disc bottom upwards; the disc bottom of the float glass of the film casting disc is in directly contact with the plate on the upper surface of the heating plate; the film casting disc is located inside the outer contour of the heating plate, and the heating plate islocated inside the outer contour of the heat-preservation bottom plate. By means of the device and method, the large-area film can be prepared, the technology is simple, the film preparing efficiencyis high, the cost is low, the crystallinity degree of a finished product film is high, the isotropy is achieved, the thickness is even, and the finished-product rate is high.

The invention discloses a casting valve and a coating device with the same, and relates to the field of casting process firming. The casting valve comprises a base body and is characterized in that the base body is provided with a liquid storage tank and a casting tank which are adjacently arranged and separated by a partition plate, and a valve for controlling the liquid outlet of the casting tank to be opened and closed is also arranged on the base body; and a plurality of connecting holes communicating with the liquid storage tank and the casting tank are formed in the lower part of the partition plate in the horizontal direction, and the liquid inlet of the liquid storage tank is located at the upper part of the liquid storage tank. The casting valve and the coating device with the same has the advantages that the continuity is high, the firming efficiency is high, the coating uniformity is good, and the filming thickness is small.

The invention discloses a method for producing a lithium-ion secondary battery membrane. The method comprises the steps of preparing a microporous membrane by a lithium-ion battery membrane production process, cutting the microporous membrane to obtain a semi-finished microporous membranes, performing layer composition on at least two semi-finished microporous membranes to obtain a composite microporous membrane, stretching the composite microporous membrane, and peeling a corresponding layer of the stretched composite microporous membrane to obtain a finished microporous membrane. According to the method of the invention, the membrane forming efficiency can be improved, and the production capacity is expanded.

The invention discloses a method for preparing a boron-doped YBCO (Yttrium Barium Copper Oxide) superconducting film by a one-step heat treatment process, which belongs to the technical field of materials. With yttrium acetate, barium trifluoroacetate and copper isocaprylate as materials, ethanol as a medium and boric acid as a dopant, the boron-doped YBCO superconducting film is prepared by thermal crystallization. According to the method disclosed by the invention, a boron element is uniformly doped into the YBCO film, the viscosity of precursor solution is increased, the shrinkage of the film in the process of YBCO heat treatment is relieved, consequently, the preparation of the boron-doped YBCO superconducting film by the one-step heat treatment process becomes possible, and the quality of film formation is ensured. In addition, the boric acid is generated into diboron trioxide under the condition of high temperature, which is doped in the produced film to serve as a pinning center in the form of a second phase, and thereby the electric property of the film in a magnetic field is improved. The efficiency of production is high, and the method has a great application prospect.

The invention relates to a mirror surface multicolor film preparation process based on raw material adjustment. The mirror surface multicolor film preparation process comprises a release layer preparation unit, a multicolor layer preparation unit, a coating unit and a central control unit. According to the mirror surface multicolor film preparation process, by arranging the central control unit ina system and connecting the central control unit with designated equipment in the system, the central control unit can calculate the area S for preparing a multicolor film according to the size of aselected to-be-prepared film, select the designated raw material consumption according to the area and adjust the operation parameters of the corresponding parts, and thus the materials for preparingare used to the greatest extent while the high-curing multicolor film is prepared; and the central control unit is provided with an S0 matrix, a T1 matrix, a T2 matrix, a T3 matrix, an A0 matrix groupand a D0 matrix group, the central control unit can establish an Ri matrix group according to the comparison result of the area S of the to-be-prepared multicolor film and each parameter in the S0 matrix so as to select a specified parameter to control the raw material consumption in the system and the operation parameters of each specified part, so that the multicolor film can be prepared more accurately, and the film preparation efficiency of the system can be further improved.

The invention discloses a high-breathability packaging material for packaging medical apparatus and instruments. A film layer structure of the packaging material sequentially comprises a first heat-sealing layer, a base material layer and/or a second heat-sealing layer from inside to outside, and the first heat-sealing layer and/or the second heat-sealing layer are/is formed by taking a material containing heat-sealing resin as a raw material and coating one side of two sides of the base material layer with the raw material by adopting an intaglio printing method. The invention further discloses a preparation method of the high-breathability packaging material. Due to the fact that the heat-sealing resin is sprayed to one side or two sides of the base material layer in a fixed-point manner by adopting the intaglio printing method, the packaging material has good porosity, uniform pores and small holes, an excellent ventilation effect is achieved, the sterilization difficulty of ethylene oxide is reduced, the sterilization effect of ethylene oxide and the like is improved, and the medical apparatus and instruments packaged by the packaging material can keep a long-term sterile effect during transportation, storage and use.

The invention provides a method for preparing naphtha-containing water-borne acrylic resin and the water-borne acrylic resin prepared by the method. The method uses a naphtha-containing compound solvent, and comprises the following steps: firstly, dissolving a chain transfer agent in the naphtha-containing compound solvent, adding a mixture A containing an acrylate monomer mixture I, an initiator and a chain transfer agent to initiate polymerization at a relatively low temperature; and then, refilling the initiator and the chain transfer agent into the system to control the reacting speed, and adding a mixture B containing an acrylate monomer mixture II. Therefore, the prepared water-borne acrylic acid has a core-shell structure and is hydrophilic and lyophobic, and a paint film prepared by the water-borne acrylic acid is excellent in hardness, adhesion, impact resistance, water resistance and other performances. Furthermore, the weight ratio of naphtha to other organic solvents of the naphtha-containing compound solvent can be adjusted according to using temperatures, so that the surface drying time can be adjusted, and the film making efficiency can be improved on the premise that the performance of the paint film is not lost.