33results about How to "Solve the problem of poor bonding" patented technology

The invention discloses a preparation method of medical porous titanium or titanium alloy materials coated with tantalum coatings on surfaces, which includes the following steps: firstly, preparing aporous titanium frame or a porous titanium alloy frame by adopting the 3D printing method; next etching the porous titanium frame or the porous titanium alloy frame, and cleaning and drying; then totally embedding the porous titanium frame or the porous titanium alloy frame in ultrafine tantalum powder in metal canning, vacuum sealing and diffusion sintering in low temperature; lastly taking out the frame, removing the powder and obtaining the medical porous titanium or titanium alloy materials coated with the tantalum coatings on surfaces. The preparation method of the medical porous titaniumor titanium alloy materials coated with the tantalum coatings on surfaces has the advantages that through embedding in powder and diffusion sintering in low temperature, tantalum coats the surfaces of the porous titanium frame or the porous titanium alloy frame, and metallurgical bonding is formed, thereby greatly enhancing the bonding force between tantalum and the surface of the porous titaniumframe or the porous titanium alloy frame, solving the difficulty of poor bonding force between the tantalum coatings and matrix, and overcoming the disadvantages of high cost and complicated processof the prior preparation method.

The invention relates to the technical field of thermoplastic elastomer materials and particularly relates to a high-shock-absorbance wear-resistant thermoplastic elastomer and a preparation method thereof. The high-shock-absorbance wear-resistant thermoplastic elastomer comprises the following components in parts by weight: 40-60 parts of SIS resin, 10-20 parts of thermoplastic polyurethane, 5-10 parts of a compatilizer, 5-15 parts of extending oil, 5-10 parts of mineral filler, 1-3 parts of a processing aid and 0.2-0.5 part of an antioxidant. The preparation method comprises the following steps of firstly, placing the SIS resin, carbonate calcium, the antioxidant, the processing aid and extending oil into a high-speed mixer, mixing, adding other raw materials and mixing to obtain a premix; and secondly, placing the premix into a twin-screw extruder, extruding and granulating. The thermoplastic elastomer has the characteristics of capability of secondary injection molding, good adhesion with PC and ABS materials and high shock absorbance and wear resistance.

The invention discloses an anticorrosion abrasive-resistant material which sequentially comprises a base material, a Ni-P coating, a Ni-Cu-P coating and a Ni-Cu-P-TiN coating from inward to outward. According to the invention, flexible metal Cu and TiN nano particles are added into the Ni-P coating via a prior precipitation mechanism and a co-deposition mechanism, so that the Cu metal and the TiN particles have complementary performance advantages; meanwhile, in order to improve the wettability of the TiN particles and a Ni-P alloy, the TiN particles are subjected to Ni coating modification treatment, and the bonding intensity of the TiN particles and the coating is increased; on the other hand, by the multi-layer structural design of Ni-P/Ni-Cu-P/(Ni-Cu-P-TiN), the problem of poor bonding intensity of the coatings caused by the prior precipitation mechanism of Cu is solved. The method is simple in technology, and equipment is low in price; a subsequent technology is combined, a coating scraper with good corrosion resistance and tribology performance can be prepared, and the service life of the scraper can be multiplied.

The invention discloses technology for processing cold coated reflective glass beads, which comprises the steps of: dumping qualified glass beads with the diameter between 0.05 and 1.00mm into a feeding funnel of a drum mixer; preparing a medicament, namely taking a silane coupling agent or mixed methyl silicone oil and sodium silicate or mixed thinner and methyl silicone oil as the medicament; adding the medicament, spraying the medicament and stirring the glass beads, namely loading the medicament into a high-pressure sprayer according to the proportion of adding 400 to 600g of the medicament into each ton of glass beads, arranging a nozzle of the high-pressure sprayer above the inside of the drum mixer, downward directly spraying the medicament to the surfaces of the glass beads to form moistureproof protective films, and stirring the glass beads at the same time, wherein the stirring time is between 8 and 10 minutes; and packaging and performing random inspection, namely using packaging bags lined with plastic inner films for packaging, placing the product for 3 days, then performing random inspection, and sending the product into a warehouse after the product is qualified through random inspection. The technology has the advantages that the technology has high production efficiency, raw material conservation, energy conservation, low production cost, good coating effect and strong adhesive power, has no harm to the health of workers, meets requirement of environmental protection, and can be used for pavement markings and various reflective materials and decorative materials.

The invention discloses a quartz crucible heating, coating, and packaging integral machine. The machine comprises a quartz crucible conveying system. A heating system, a spray-coating system, and a packaging system are sequentially arranged on a conveying direction. The heating system comprises a sealable heating chamber. An infrared heating tube and a temperature sensor for keeping a constant temperature are arranged in the heating chamber. The spray-coating system comprises a sealable coating chamber. An automatic elevatable rotation joint and a nozzle are arranged in the coating chamber. The packaging system is composed of negative pressure adsorption manipulators provided above and beside the quartz crucible. The conveying system comprises a servo motor as a power source, a sprocket wheel, a chain, and a conveyor belt. The sprocket wheel and the chain are connected. The conveyor belt is arranged on the chain. With the machine provided by the invention, the quartz crucible can be effectively heated, coated, packaged, and stored, such that labor is greatly saved, working efficiency is improved, and a problem of quartz crucible coating powder poor bonding is effectively solved.

The invention discloses a polymer nanometer floor and a production method thereof. The polymer nanometer floor comprises a floor body; at least one cavity is formed in the floor body along a transverse section; the cavities penetrate through the floor body and are filled with a light foaming material; end caps for blocking the cavities are arranged at the two ends of the cavities; the floor body sequentially comprises a top layer, a substrate layer and a bottom layer from top to bottom; a polymer nanometer material layer is arranged between the top layer and the substrate layer; connection blocks are arranged on the upper surface and the lower surface of the polymer nanometer material layer; the top layer and the substrate layer are provided with connection grooves matched with the connection blocks; an abrasion-resistant layer is arranged on the upper portion of the top layer; and a waterproof layer, a flame-retardant layer and a buffer layer are sequentially arranged between the substrate layer and the bottom layer from top to bottom. The polymer floor is used for replacing solid wood floors, cyclic utilization is achieved, trees of the country are protected, and the path of sustainable development is taken.

The invention provides a processing method for improving the conductivity of a high-nickel ternary cathode material of a lithium battery. The method comprises adding nickel foam to a solution containing cobalt acetate and manganese acetate; then mixing and pre-firing the mixture with a strong oxidant and a solid alkali; after solidification, adding a lithium source for high-temperature sintering to obtain a three-dimensional net-shaped high-nickel ternary cathode material; impregnating a conductive paste, performing curing at a low temperature so as to obtain the high-nickel ternary cathode material improved in conductivity. The method, by preparing the cathode material of the three-dimensional net-shaped structure, solves the defects that a traditional cathode material conductive agent and the cathode material are not firmly bonded due to the change of a material volume during the use, and the internal resistance is increased, and improves the conductive properties of the cathode material.

The invention belongs to the technical field of building material preparation, and particularly relates to a preparation method of high-adhesion moisture-proof glass cement. Soybeans are used as a rawmaterial, protein extracted from the soybeans is subjected to acid heat modification, and the moisture resistance of the water-soluble adhesive is improved; citric acid in the glass cement is a stabilizer and inhibits bacterial reproduction; tourmaline powder can also provide negative oxygen ions and improve the antibacterial ability, and the anti-oxidation ability of the glass cement is enhanced. According to the method, castor oil polyurethane and methyl silicone rubber are subjected to network interpenetration; the castor oil polyurethane is used as a continuous phase in the IPN interpenetrating structure; the methyl silicone rubber as dispersion phase, the silicon rubber has an open micropore structure; after vacuum defoaming, the surface tension is very small, an interpenetrating network structure is combined more tightly, and water absorption and falling are not likely to happen after curing; the silicon rubber can form hydrogen bonds with the surfaces of glass, glass and otherbase materials, the bonding force is improved, and therefore the problem that glass cement is not firmly bonded to the surface of the glass due to too much dust is solved, and wide application prospects are achieved.

The invention relates to the technical field of preparation of building materials and in particular relates to a method for preparing two-component vitrified brick backing glue. The method disclosed by the invention comprises the following steps: treating sugarcane serving as a raw material to obtain pre-dispersed suspension, mixing the pre-dispersed suspension, cotton stalk bark fibers, ammoniumpersulfate, N,N-methylenebis acrylamide and the like, reacting, extracting with acetone, drying to obtain a component A, performing graft copolymerization on acrylic acid and sugarcane fibers, forminga three-dimensional network structure, and producing a water-absorbent resin, wherein the cotton stalk bark fibers easily crimp when meeting water, the water is difficultly squeezed out, the roughness of the vitrified brick can be improved by the cotton stalk bark fibers, and the bricks are conveniently adhered; mixing a cellulose ether and a castor oil polyurethane prepolymer, dispersing to obtain premixed emulsion, adding quick lime, carboxylic butadiene-styrene latex, fly ash and other materials into the pre-dispersed mixture, performing vacuum defoamation to obtain a component B, and performing network interpenetrating on castor oil polyurethane and methyl silicone rubber, thereby obtaining an adhesive with an IPN (Interpenetrating Polymer Network) structure. The network interpenetrating structure is compact in binding, and the application prospects are wide.

The invention provides a display panel and a manufacturing method thereof. The display device includes: a backboard having an L-shaped bent portion including a bottom plate and a side plate; the display panel is arranged on the side, away from the bottom plate, of the side plate, and the orthographic projection of the display panel on the upper surface of the bottom plate partially coincides withthe orthographic projection of the side plate on the upper surface of the bottom plate; the lower surface of the display panel and the upper surface of the side plate are directly bonded through the adhesive layer, and the adhesive layer further makes contact with the side face of the display panel. The invention provides a display device. The lower surface of the display panel is directly bondedwith the upper surface of the side plate of the backboard through the adhesive layer; according to the display device, the double-faced adhesive tape is arranged on the display panel, and the side periphery of the display panel is covered, so that the width of the double-faced adhesive tape can be reduced, a middle frame arranged on the periphery can be further omitted, the perfect frameless appearance effect of the display device is facilitated, and a display area of the display device is close to full-screen design.

The invention discloses a dielectric composite film as well as a preparation method and application thereof. The preparation method includes the following steps: performing hydrolysis treatment on a polymer dielectric film to open a polymer chain of the upper surface layer of the polymer dielectric film; immersing the treated film into a metal salt solution, taking out the immersed film, performing washing by using water, and removing moisture of the surface; and performing heat treatment to form an insulating metal oxide layer on the surface of the polymer dielectric film. According to the above technical solution, the dense and uniform insulating metal oxide layer is formed at the surface of the polymer dielectric film by using the chemical method, the insulating metal oxide layer can realize effective regulation and control from a nanometer level to a micron level, and the insulating metal oxide layer is tightly combined with the polymer dielectric film, and can effectively inhibitthe surface charge injection and internal charge transfer and diffusion of the polymer dielectric film under the high-temperature high-electric-field condition, and reduce the conductivity loss of thepolymer dielectric film; and the insulating metal oxide layer can realize the excellent isolation self-healing function, improve the energy storage characteristic of the film and guarantee the continuous and stable operation under the high-temperature high-electric-field condition.

The invention relates to a treatment method for a high-strength soft cloth base of an abrasive belt. The treatment method comprises the steps that rayon is adopted as a cloth base raw material for weaving; fluff on the surface of the cloth base is removed; the cloth base is stretched, wherein the warp-wise stretching rate is 6%-12%, and the weft-wise shrinkage rate is 8%-20%; the cloth base is impregnated in an impregnating tank containing a sizing material; the impregnated cloth base is dried at the temperature of 70-160 DEG C, and shaped at the high temperature of 160-190 DEG C; and after blade coating is conducted on the cloth base, the cloth base is dried at the temperature of 70-160 DEG C, calendered and rolled. According to the method, rayon weaving is adopted, and the double-strand filaments are adopted, so that the problem of protruding defects caused by weaving can be effectively solved, and production of P600 and fine gauze is guaranteed; after singeing, stretching is adopted to reduce the elongation of the cloth base; and a low-boiling-point solvent is firstly removed during drying, then high-temperature setting is performed to cure and mold the impregnated sizing material, the obtained sizing material layer is compact and uniform, and the defect that the low-boiling-point solvent is quickly gasified to form the sizing material layer due to direct high-temperature drying is avoided.

The invention discloses a corner connecting material for bonding ethylene-propylene-diene monomer rubber. The corner connecting material comprises, by weight, 13-20 parts of polypropylene; 3-10 parts of ethylene-propylene-diene monomer rubber; 25-35 parts of ultra-high molecular weight SEBS; 25-30 parts of naphthenic oil; 0.1-0.3 part of erucyl amide; 1-5 parts of silicone master batch; 0.1-0.3 part of an antioxidant; 10-18 parts talcum powder; and 1-3 parts of black master match. The corner connecting material for bonding the ethylene-propylene-diene monomer rubber is high in bonding strength and good in using effect.