75results about How to "Improve surface binding" patented technology

The invention belongs to the technical field of surface treatment and particularly relates to a neodymium iron boron rare earth permanent magnet surface anti-corrosion coating and a preparation method thereof. The neodymium iron boron rare earth permanent magnet surface anti-corrosion coating is composed of a bottom coating and a top coating, the thickness of the bottom coating is in a range from 10mum to 25mum, the chemical components of the bottom coating comprise 55% to 65% of one or two types of metals of zinc and aluminum, 0% to 5% of one or a plurality of types of metals of nickel, chromium, molybdenum, neodymium, praseodymium, cobalt and titanium and 34% to 40% of neutral resins, the thickness of the top coating is in a range from 5mum to 15mum, and the chemical components of the top coating comprise 55% to 65% of one or a plurality of types of metals of zinc, aluminum, titanium, molybdenum, nickel, cobalt and chromium and 35% to 45% of phenolic resins or acrylic resins. The preparation method includes that firstly the surface of a permanent magnet is preprocessed, a centrifugal immersion tossing is utilized to prepare the bottom coating, and a rolling spraying process is utilized to prepare the top coating. The neodymium iron boron rare earth permanent magnet surface anti-corrosion coating and the preparation method thereof have the advantages that by means of double layers of coatings, the corrosion resistance is high, the surface binding force is high, the usage temperature is higher than 200 DEG C, the magnetic property of the neodymium iron boron rare earth permanent magnet is improved, the service life is prolonged, and the service environment is widened.

The invention discloses a combination outer shell piece and an in-mould injection molding method. The combination outer shell piece comprises a combination outer shell and plastic components. The combination outer shell comprises appearance aluminum materials and an inner structure piece. Plastic connecting positions are arranged on the combination outer shell. The plastic connecting positions are placed on the inner surface and the side face of the appearance aluminum materials and the upper surface of the inner structure piece. The plastic components are formed on the upper surface of the inner structure piece and the inner surface of the appearance aluminum materials in an injection moulding mode. By using in-mould pressure casting and the in-mould injection molding method, the problem that according to an existing combination outer shell piece, a machining process is complex, and the combining force of an outer shell body and plastic is poor is solved.

The invention discloses a basin-type insulator and a manufacturing process thereof. The basin-type insulator comprises a basin body and a center conductor. The center conductor is machined and formed, the outer cylindrical surface is in a shape like a Greek letter 'omega', and the normal bearing area is increased. The manufacturing process mainly includes the two stages of center conductor pretreatment and epoxy resin pouring. The center conductor is subjected to die filling and preheating after machining, washing, sand blasting and epoxy resin adhesive coating, materials obtained after vacuum mixing are poured into a die, and the basin-type insulator is finally formed through two times of curing. By means of the process, due to the fact that shape machining, sand blasting and adhesive coating are additionally carried out on the center conductor, electric field distribution is more reasonable, interface bonding strength is remarkably improved, and the poured and formed basin-type insulator has excellent electrical and mechanical performance.

The invention belongs to the technical field of fiberboard materials, particularly relates to a high-density fiberboard with high fire resistance and a preparation method of the high-density fiberboard. The problems that in the prior art, a fiberboard can release harmful substances such as formaldehyde, the fiberboard belongs to an inflammable material are solved, and the high-density fiberboard comprises the following raw materials of, in parts by weight, 30-50 parts of wood chips, 30-50 parts of straws, 10-20 parts of light silicon dioxide, 3-5 parts of an adhesive, 3-5 parts of a flame retardant, 1-3 parts of magnesium stearate, 2-4 parts of hexamethyldisiloxane and 2-5 parts of p-hydroxybenzenesulfonic acid. According to the high-density fiberboard with the high fire resistance and the preparation method of the high-density fiberboard, the high-density fiberboard is scientific in formula and rigorous in proportion, the obtained high-density fiberboard has excellent fire-resistant and flame-retardant performance, waterproof and moistureproof performance and physical and mechanical performance, the preparation method of the high-density fiberboard is simple, mild in preparation condition and easy for industrial production, and can be widely applied.

The invention discloses a preparation method of a corrosion-resistance aluminum alloy door/window. The preparation method comprises the following steps: (1) styrene, acetone, isopropanol, urea resins, lauryl sodium sulfate and polyvinyl chloride are mixed to prepare a coating composition; (2) an aluminum alloy door/window basal body is deoiled by alkali liquid and a surface active agent in sequence; (3) the deoiled aluminum alloy door/window basal body is cleaned the surface by ethanol and water; and (4) the coating composition is coated on the cleaned surface of the aluminum alloy door/window basal body, and is heated to prepare the corrosion-resistance aluminum alloy door/window; and corresponding to 2 parts of styrene, 4-8 parts of acetone, 30-40 parts of isopropanol, 40-50 parts of urea resins, 5-9 parts of lauryl sodium sulfate and 3-8 parts of polyvinyl chloride are added. The corrosion-resistance aluminum alloy door/window prepared through the method is excellent in mechanical performance and corrosion resistance.

The invention discloses a method for improving the binding force of a plating layer of a neodymium-iron-boron magnet and a neodymium-iron-boron magnet electroplating piece. The method comprises the steps that firstly, a neodymium-iron-boron semi-finished product workblank is subjected to multi-thread slicing to obtain neodymium-iron-boron semi-finished product slices, then the neodymium-iron-boronsemi-finished product slices are subjected to chamfering, deoiling, washing, acid pickling, ultrasonic wave washing, excitation and washing, and finally the neodymium-iron-boron semi-finished productslices are subjected to electroplating treatment, so that the neodymium-iron-boron magnet electroplating piece is obtained. The method provided by the invention improves the bonding force of the plating layer of the neodymium-iron-boron magnet and the corrosion resistance of the magnet, has high production efficiency and low production cost, and can be applied to automatic production.

The invention discloses a scratch-resistant aluminum alloy door window and a preparation method thereof. The preparation method includes: (1), mixing, by weight, 5 parts of glycerol, 4-8 parts of carbon black, 30-40 parts of epoxy propane, 40-50 parts of urea formaldehyde resin, 5-9 parts of polyacrylamide and 10-15 parts of polyvinyl chloride to obtain a coating composition; (2), sequentially using alkaline liquid and a surfactant to deoil an aluminum alloy door window matrix; (3), using alcohol and water to clean the surface of the deoiled aluminum alloy door window matrix; (4), coating the surface of the aluminum alloy door window matrix with the surface cleaned with the coating composition, and heating to obtain the scratch-resistant aluminum alloy door window. The scratch-resistant aluminum alloy door window prepared by the method has excellent mechanical performance, wear resistance and scratch resistance.

Disclosed herein are anti-TLR3 antibodies as well as methods of making and using them. The antibodies are particularly adapted to the treatment of autoimmune or inflammatory diseases using anti-TLR3 antibodies.

The invention discloses a high-toughness wear-resisting cable material and belongs to the technical field of wires and cables. According to the invention, biogas slurry is firstly treated and then shrimp shells are treated in the manner of mixed fermentation, so that chitin is differentiated and degraded, active ingredients can be generated, cross-linking action can be enhanced and overall wear-resisting property can be promoted; aramid fiber pulp has a fluff structure, has an ultra-large contact area with a resin component and is capable of promoting interaction of inner components of the system, improving shock resistance, promoting toughness, increasing degree of orientation, increasing surface roughness, promoting compatibility thereof with a modified resin component and jointly promoting toughness and wearing resistance; due to the addition of castor oil, vibration strength of covalent bonds in the resin component can be reduced, tensile strength can be effectively promoted, and the castor oil and the compound modified resin component can be combined into an interwound firm three-dimensional network so as to promote the inner mechanical properties. The high-toughness wear-resisting cable material is capable of solving the problems of inferior wear-resisting property, low tensile strength, low toughness and inconvenience in processing of the present common cable material.

The invention provides a preparation method of an anti-corrosion pipe material. The method comprises the following steps of a, mixing polyvinyl chloride resin, nitrile rubber and polybutylene resin; feeding the mixture into a mixing machine for mixing; obtaining a first material; b, mixing the first material with modified glass fiber, silicon dioxide and compatilizers; guiding the mixture into a stirring machine; performing high-speed stirring; then, adding semi-refined paraffin wax, asbestos powder and antioxidants; performing uniform mixing; then, performing ultrasonic wave processing to obtain a second material; c, mixing modified nanometer carbon fiber and auxiliary filling materials; feeding the mixture into a ball mill for grinding and stirring to obtain a third material; d, mixing the first material, the third material, a toughening agent, a mildew preventive and a lubricating agent into a single-screw extruding machine; performing extrusion to obtain a pre-finished product; e,guiding the pre-finished product into a mold; performing heating and pressurization; then, performing molding and shaping. The prepared pipeline material has the characteristics of good impact performance, good anti-corrosion performance and high pressure-resistant intensity.

The invention provides a self-moving robot, a synchronous belt and a preparation method of the synchronous belt. The self-moving robot comprises a robot body, the synchronous belt is arranged at the bottom of the robot body, the synchronous belt comprises an inner ring and an outer ring, the outer ring is in rolling contact with a walking surface, the inner ring and the outer ring are both made of mixed polyurethane, the shore hardness of the inner ring ranges from 60A to 90A, and the shore hardness of the outer ring ranges from 30A to 60A. According to the self-moving robot provided by the invention, the synchronous belt has good wear resistance, high wear resistance can be kept under the condition of low hardness, the friction force between the self-moving robot and working media such as glass can be effectively improved, the working efficiency of the self-moving robot is improved, the cleaning range of the self-moving robot is widened, and the application range of the self-moving robot is expanded.

The invention discloses an LTCC substrate as well as a preparation method and application thereof. The preparation method comprises the following steps: 1) carrying out ball milling on hollow spherical SiO2 and Al2O3, and calcining to obtain SiO2@Al2O3 powder; 2) mixing KBS glass powder, the SiO2@Al2O3 powder and an additive, and carrying out ball milling to obtain ceramic slurry; (3) forming the ceramic slurry, laminating membranes, carrying out isostatic pressing, and cutting into a ceramic blank; and 4) sintering the ceramic blank to obtain the LTCC substrate. By adding the hollow spherical SiO2, the dielectric constant of the LTCC ceramic is reduced, the dielectric constant of the material is as low as 3.5, and the dielectric loss is as low as 0.2%; and the surface of the hollow spherical SiO2 is coated with Al2O3, the surface binding force of glass and SiO2 in the sintering process is improved, the strength of the substrate is improved to 220 MPa, and the ultralow dielectric constant LTCC substrate which is good in compactness and high in bending strength is obtained and is suitable for the fields of high-frequency communication and radio frequency.

The invention discloses a method for manufacturing a die for casting, comprising the step of forming at least one TiBN layer on the surface of hot die steel after pretreatment by PVD (physical vapor deposition), wherein the pretreatment comprises degreasing and cleaning in order, and degassing and drying are carried out in a vacuum degassing box after cleaning, the degassing and drying is carried out at 100-200 DEG C, the vacuum degassing box is vacuumized at 5-10 Pa, and the degassing time is 30-60 minutes. The bonding force between the obtained coating and a base material is greatly improved, and die surface erosion is retarded, thereby improving the product surface quality and die service life.

A display panel and a method of manufacturing the same are disclosed. The display panel includes a bending area. The display panel includes a first flexible substrate. A buffer layer is disposed on a surface of the first flexible substrate. A rough structure is disposed on a surface of the first flexible substrate in contact with the buffer layer in the bending area.

A system, apparatus and method for analysis of a specimen using ellipsometric analysis. Polarization distortions caused by the propagation of polarized light within a substrate upon which a specimen is located are reduced by directing light at selected polarizations at the substrate alone and the specimen on the substrate. Image data is collected for each of the selected polarizations and processed to remove errors due to birefringence. Fourier transform processing is used to obtain polarization phase data for correcting polarization caused by any birefringence in the substrate, and optionally amplitude data.

The invention discloses graphene modified thermochromic plastic. The graphene modified thermochromic plastic is prepared from, by mass, 60-90 parts of plastic particles, 2-5 parts of surface-treated graphene, 6-13 parts of thermochromic pigment, 0.1-3 parts of a crosslinking agent, 0.1-2 parts of an initiator, 0-0.9 part of a stabilizing agent and 0-2 parts of a plasticizer, wherein graphene and asurface treatment agent are jetted to a reaction chamber by using a jet spreading method at the same time to prepare the surface-treated graphene. The graphene prepared by using the jet spreading technology is high in dispersibility, high in particle size uniformity and capable of improving the heat conductivity of the thermochromic plastic, so that the thermochromic sensitivity is improved, andthe shock-resisting strength and the weather resistance of the thermochromic plastic are effectively improved.