22 results about "Flame treatment" patented technology

The invention provides a functional master batch material for polypropylene and a preparation method of the functional master batch material. The functional master batch material is prepared from the following components in parts by mass: 20 parts of polysiloxane, 20 parts of treated silicon dioxide, 10 parts of polypropylene resin, 50 parts of high-carbon-chain ethoxyamide wax and 0.5 part of a processing aid bag, the molecular weight of the polysiloxane is 1,000,000-1,200,000, and the polysiloxane is a solid; the treated silicon dioxide is silicon dioxide treated by vinyl trimethoxy silane, and is a nanoscale material extracted from corn straw ash after power generation in a physical and chemical manner; the polypropylene resin is resin of which the MFR is 10 to 20g / 10min; the high-carbon-chain ethoxy amide wax is a KF-027 product produced by Zhejiang Jia Hua Refining Co., Ltd. The processing aid bag is an antioxidant; the invention has the advantages that: the demoulding property of the polypropylene material is improved; the process of flame treatment in the spraying process is reduced, the cost of the spraying process is reduced, and the adhesive force of the paint surface after spraying can meet the requirement.

The invention discloses an integrated forming method of a light-weight high-strength automobile exterior trimming part, which comprises the following steps: selecting long glass fiber reinforced polypropylene as a base material, adding a modifier, an antioxidant and a lubricant, mixing, extruding and granulating to obtain light-weight high-strength composite granules; an integrated forming mold is adopted, a mold cavity is subjected to polishing treatment, then a release agent is sprayed, preheating is conducted, and mold locking is completed; drying the prepared composite granules, adding into an injection molding machine, heating and melting, injecting into a mold cavity, maintaining the pressure, and cooling to obtain an exterior trimming part framework; keeping the mold slightly open, and performing flame treatment on the surface of the framework through a flame spray gun; rotating the mold to a coating station, closing the mold, and injecting the bi-component polyester paint to form a functional layer on the surface of the skeleton; and opening the mold and taking out to obtain a light-weight high-strength automobile exterior trimming part finished product. One-time forming of the exterior trimming part is achieved, framework preparation and surface functional layer forming are completed, the process is simplified, the cost is reduced, and the lightweight level and the structural strength of a product are improved.

The invention relates to a method for improving the bonding performance of a thermoplastic carbon fiber composite material and an aluminum alloy. Aiming at different characteristics of a thermoplastic composite material and an aluminum alloy, different process combinations such as mechanical polishing, organic solvent cleaning, vacuum plasma treatment and flame treatment are adopted to carry out cooperative treatment on the surfaces of the thermoplastic composite material and the aluminum alloy base material, so that the surface roughness of the base material is effectively changed, surface dirt is removed, and a polar functional group is introduced; compared with a traditional single mechanical polishing or plasma treatment method, the method has the advantages that the bonding strength and plasticity of the thermoplastic composite material and the aluminum alloy can be greatly improved, and the method is applied to the field of connection of the thermoplastic composite material and the aluminum alloy heterogeneous material.

The utility model discloses surface treatment equipment for injection molded parts before coating, which comprises a workbench, a mechanical arm and a flame nozzle, a cleaning frame is arranged on the workbench, cleaning water is filled in the cleaning frame, a partition plate is fixedly connected in the cleaning frame, two first grooves are arranged on the cleaning frame, and the two first grooves are communicated with the mechanical arm. First motors are fixedly connected to the positions, on the two sides of the first groove, of the workbench, first lead screws are fixedly connected to the output ends of the first motors, moving plates are in threaded connection with the first lead screws, second motors are fixedly connected to one sides of the moving plates, rotating columns are fixedly connected to the output ends of the second motors, and rotating plates are fixedly connected to the bottom sides of the rotating columns; an injection molding part to be treated is placed on the clamping columns and makes contact with cleaning liquid in the cleaning frame through overturning, then the moving frame is driven by the electric push rod to move up and down, meanwhile, the water pump pumps the cleaning liquid to increase contact between the cleaning liquid and the injection molding part, grease and dust on the surface of the injection molding part can be greatly reduced, and the service life of the injection molding part is prolonged. And the flame treatment effect is improved.

The utility model discloses an automobile interior fabric flame-retardant treatment device which comprises a cabinet body, a sliding way assembly is installed on the inner wall of one side of the cabinet body, a sliding block is movably connected to the sliding way assembly, a limiting frame is fixed to the outer wall of one side of the sliding block, an L-shaped cover plate is fixed to one side of the limiting frame, and elastic pieces are installed on the inner walls of the two sides of the limiting frame. A plurality of groups of nozzles are fixed on the outer wall of one side of the spray pipe, and a flame retardant conveying mechanism is connected to the outer wall of the other side of the spray pipe. The position of the spray head in the transverse direction can be adjusted through the slide way assembly, uniform spraying is achieved according to the width of the interior fabric, the elastic piece is matched with the third driving motor, the support, the roller and the arc-shaped block, the spray head and the spray pipe can move up and down by a certain distance along the inner wall of the limiting frame, and more uniform spraying is conducted according to different lengths of the interior fabric; the spraying quality is effectively guaranteed, it is guaranteed that the flame retardant can comprehensively and evenly cover the surface of the interior fabric, and the flame-retardant treatment effect is improved.

This invention relates to the field of traditional light industrial production technology, specifically to a pen tip electro-flaming and sewing device and method, including a worktable and an execution component. The execution component includes a rotating block, a rotating plate, a fixed box, a protective cover, a drive block, a clamping plate, a support column, and an operating head. After all the operating equipment is connected to the power supply and turned on, after automatic alignment, the internal space of the fixed box is opened first, and then the pen tip is placed into the fixed box. Then, the clamping plate moves longitudinally within the fixed box to clamp and fix the pen tip. Finally, the pen tip is rotated 22.5 degrees to align with the operating head. At this time, a mixture of hydrogen and oxygen from the hydrogen-oxygen generator is sprayed out from the operating head to achieve flame treatment of the pen tip. By using low-wear, high-performance electrical equipment to replace the traditional mechanical structure, the serious wear of the various parts of the traditional mechanical structure during long-term use is avoided, which would affect the normal use of the flame-sewing device.

The present application provides a flame treatment apparatus and a method for preparing a battery electrode sheet. The flame treatment apparatus comprises a burner and a flame stabilizing cover. The burner is provided with a premixing cavity and a flame outlet that are in communication with one another. The flame stabilizing cover is provided on the burner. The flame stabilizing cover is provided with a flame guiding channel, one end of the flame guiding channel is provided with a first opening, and the other end thereof is provided with a second opening. The first opening is in communication with the flame outlet for guiding a flame ejected from the flame outlet into the flame guiding channel and ejecting same by means of the second opening, so as to perform flame treatment on a surface of a battery electrode sheet preform. Specifically, by means of adding the flame stabilizing cover at the flame outlet of the burner, the flame is not easily affected by an external flow field, the morphological stability of the flame is improved, and the flame utilization efficiency is improved, thereby improving the flame treatment effect on the battery electrode sheet preform.

The invention discloses an exterior trimming part identification method and an exterior trimming part identification structure based on a laser carving process. The method comprises the steps that according to actual requirements, an injection molding technology is adopted, and a base material is obtained; an ultraviolet laser is used as a laser light source, according to the actual visual effect requirement of the identification, a laser etching technology is adopted, an identification shape is formed on the outer surface of the base material through laser etching, and a laser-etched base material is obtained; the identification shape has a gray scale and a contrast ratio corresponding to actual visual effect requirements; the actual visual effect requirement comprises a two-dimensional visual effect or a three-dimensional visual effect; and performing ion flame treatment on the outer surface with the mark shape formed by laser etching on the laser etching base material, and then spraying hardening paint so as to cover the surface of the mark shape to form a hardening paint layer. According to the method, the requirements of different visual effects can be met, and flexible and customizable manufacturing of the exterior trimming part identification structure can be greatly achieved; and the obtained exterior trimming part identification structure has excellent delicate perception capability, weather resistance and durability.

The invention provides a flame treatment device and a preparation method of a battery pole piece. The flame treatment device comprises a combustor and a flame stabilizing cover. Wherein the combustor is provided with a premixing cavity and a flame outlet which are communicated with each other; the flame stabilizing cover is arranged on the combustor; one end of the flame guide channel is provided with a first opening, and the other end of the flame guide channel is provided with a second opening; the first opening is communicated with the flame outlet and is used for guiding flames ejected from the flame outlet into the flame guide channel and ejecting the flames from the flame outlet through the second opening so as to carry out flame treatment on the surface of the battery pole piece prefabricated part. Specifically, the flame stabilizing cover is additionally arranged at the flame outlet of the burner, so that flames are not prone to being affected by an external flow field, the morphology stability of the flames is improved, the utilization efficiency of the flames is improved, and the flame treatment effect on the battery pole piece prefabricated product is improved.

A water-based primer resin, a water-based primer paint, and their preparation method are disclosed, relating to the field of primer paint technology, which solves the problems of environmental pollution and quality defects caused by the need for flame treatment in existing primers. Chlorinated polypropylene is added to an organic solvent and heated to completely dissolve, yielding chlorinated polypropylene solution A. A soft monomer, a hard monomer, and (N-(2-aminoethyl)-3-aminopropyltrimethoxysilyl)maleimide are added to the organic solvent and stirred to obtain grafting solution B. Benzoyl peroxide is dissolved in the organic solvent to obtain initiator solution C. Under nitrogen protection, A and B are mixed and heated to 60-80°C, then C is added dropwise. After the reaction is complete, the solvent is removed under reduced pressure to obtain an intermediate. Acetone, diisocyanate, carbon dioxide-based polyol, and dimethylolpropionic acid are added to the intermediate for reaction, followed by the addition of butanediol to continue the reaction. After cooling, deionized water and triethylamine are added. After the reaction is complete, the solvent is removed to obtain the water-based primer resin.

The invention discloses a high-rate cathode preparation method, a high-rate cathode and a battery. The method comprises the following steps: cleaning commercial foamed nickel NF, and drying in a vacuum box at a preset temperature; the dried commercial foamed nickel NF is subjected to flame treatment to deposit a carbon coating, and Ni-coated carbon foam is obtained; etching the Ni-coated carbon foam in a metal salt solution to remove a nickel template, then washing and drying, annealing the obtained independent carbon foam CF in a high-temperature furnace under protective gas, putting into a mixed solution formed by a lithium source, an iron source, a phosphorus source and an antioxidant, and carrying out hydrothermal reaction in a high-pressure kettle; after the hydrothermal reaction, cooling the reaction kettle to room temperature, taking out, centrifugally washing, and drying in a vacuum drying oven at a preset temperature to obtain a LiFePO4 precursor; and drying and annealing the precursor in a protective atmosphere to obtain an LFP / TCF sample. The problems of poor conductivity of the lithium iron phosphate material and a unified electrode process are effectively improved, and the capacity and the cycle life performance are improved.

The invention belongs to the technical field of material surface treatment, and particularly relates to an organic elastomer surface treatment method which comprises the following steps: creating active sites on the surface through plasma or flame treatment, and sequentially coating a high-temperature-resistant interface agent and a high-temperature-resistant coating containing a damp-heat-resistant composite additive, the damp-heat-resistant composite additive is formed by modifying potassium titanate whiskers with silane and aluminum dihydrogen phosphate and then compounding the modified potassium titanate whiskers with metal oxide. Through the synergistic effect of all links, the adhesive force, damp heat resistance and high temperature resistance of the elastomer and a coating are remarkably improved, the organic elastomer can be stably used in a high-temperature, high-humidity and high-pressure environment, the application range of the organic elastomer is effectively expanded, and the practicability is high.

The present application relates to a kind of flame spray gun mechanism.The flame spray gun mechanism described in the present application includes: including flame spray gun body and intermediate partition unit;The intermediate partition unit is arranged on the flame spray gun body, and the intermediate partition unit blocks part of flame sprayed by the flame spray gun body.The flame spray gun mechanism described in the present application has the advantages that by setting intermediate partition unit, flame treatment area and flame isolation area are separated, and the width of intermediate partition unit can be adjusted.

Method for producing an adhesion- and crack-resistant insulating layer structure and topcoat structure for current transformer housings (1), wherein The cleaning of the current transformer housing (1) is carried out in several steps: to remove organic substances, a brief flame treatment is applied; then, to remove inorganic contaminants, especially electrostatic charge carriers, ionized air is blown out; subsequently, moisture is removed by ice drying or heat application; and then an adhesion promoter (2) in the form of a primer (2) is applied as an intermediate layer (2) with a defined layer thickness to the metal current transformer housing (1), with the simultaneous introduction of dipoles and an enlarged adhesion surface, which is generated by means of a high-pulsed blasting process; and on this intermediate layer (2) a conductive coupling layer (3) in the form of an electrically conductive lacquer (3) is applied as a basis for the subsequent assembly of the current transformer housing (1) with a current transformer (4) using potting technology.wherein, as a basis for the subsequent installation of the current transformer using potting technology in the current transformer housing (1), a primer (2) as an intermediate layer (2), as an adhesion promoter (2) and as an insulating layer (2) based on a 2K filling primer and an electrically conductive lacquer (3) as a top layer lacquer (3) and as a coupling layer (3) are applied one above the other, wherein the electrically conductive lacquer (3) consists of pigmented polyester and wherein the base filler (2) and the topcoat lacquer (3) are both applied in the same layer thickness of approximately 10 µm.

The present invention discloses a method for producing ultra-low cut point spherical silicon micropowder for HDI, which includes the following steps: (1) selecting flame-processed spherical silicon micropowder with D50=1-15 μm and D100=10-50 μm as raw material, (2) mixing water and the flame-processed spherical silicon micropowder in a predetermined ratio, followed by high-speed stirring and ultrasonic treatment to obtain slurry A, (3) allowing slurry A to settle and siphoning off the upper layer of slurry to obtain product B, (4) centrifuging product B and dehydrating the upper layer paste after centrifugation to obtain product C, and (5) depolymerizing product C to obtain ultra-low cut point spherical silicon micropowder for HDI with D100≦6 μm. The method of the present application is simple and easy to implement, using micron-sized spherical silicon obtained by a conventional flame process as raw material, and sequentially carrying out the steps of slurry preparation, sedimentation, centrifugation, and depolymerization to obtain spherical silicon fine powder with D100≦6μm, high purity, and high sphericity, which meets the maximum size requirements for fillers in high-end HDI application fields.

According to the primer-color-integrated traditional black paint and the primer-free 2C1B coating process applied to the automobile exterior bumper, a primer production section in an original coating process flow is canceled, meanwhile, colored paint air gun spraying is canceled in a colored paint production section, and a material piece enters a flame chamber after passing through a piece feeding area, pretreatment and a water cutting drying furnace; after flame treatment, the workpiece directly enters a colored paint spraying room, only colored paint electrostatic gun spraying is carried out, electrostatic gun high voltage is closed, colored paint adopted for colored paint electrostatic gun spraying is ground color integrated traditional black paint which is researched and designed, and then the workpiece enters a workpiece discharging area after passing through a leveling area, a varnish spraying area, a leveling area and a varnish drying furnace. According to the process, original 3C1B is converted into 2C1B, primer section spraying and colored paint section air gun spraying are omitted, the coating process steps are effectively shortened, the single-piece coating manufacturing cost is effectively reduced, and the terminal product competitiveness is enhanced.

The utility model belongs to the technical field of vehicle assembly processing, especially a kind of flame treatment device for vehicle assembly processing, including flame manipulator, flame spray head is equipped on the flame manipulator, it is characterized by further including base, the flame manipulator is installed on the base, two limit posts are fixedly arranged on base top surface, two guide rods are fixedly arranged between the two limit posts, two sliding blocks are slidably arranged on the two guide rods, movable plate is fixedly arranged on the top surface of two sliding blocks, first storage unit and second storage unit are arranged on the top surface of movable plate, and the opposite surface of two limit posts is equipped with auxiliary cooling device. The utility model is treated by one storage unit with flame, another storage unit is cooled, material is taken, and material is placed, and production efficiency is improved, and auxiliary fan can promote air low-speed flow to assist cooling.

The invention discloses a surface treatment method of ultra-high molecular weight polyethylene, and belongs to the technical field of surface treatment of ultra-high molecular weight polyethylene. The invention provides a surface treatment method of ultra-high molecular weight polyethylene, which comprises the following steps: taking ultra-high molecular weight polyethylene, wiping the surface of the ultra-high molecular weight polyethylene with ethanol, performing flame treatment, coating a primer treatment agent, and drying. According to the invention, UHMWPE surface modification can be simply and quickly completed, and strong adhesion of the paint and UHMWPE is realized.

The application discloses a kind of primer-free water-based color paint and its preparation method and application, the film-forming resin includes polyether type polyurethane resin and acrylic resin, the polyether type polyurethane resin contains polytetrahydrofuran ether diol structure, the glass transition temperature Tg of the acrylic resin is >60 DEG C, the mass ratio of the polyether type polyurethane resin and acrylic resin is (40-60) :(5-15).The water-based color paint of the application has good affinity and better adhesion with the PP substrate after flame treatment, realizes the two-coat system of "color paint + varnish", does not need to additionally increase PP primer spraying process, achieves the effect of "primer-free", process flow is short, cost is low;It improves the high-pressure water jet performance;Using water-based system, avoid using organic solvent, more environmentally friendly;Meet the general-purpose of automobile exterior parts, can simultaneously match PP, PC+ABS material.