88results about How to "Strong surface adhesion" patented technology

The invention discloses putty for a building external wall, which is made from the following raw materials in parts by weight: 20-40 of white cement, 5-10 of sierozem, 50-70 of powdered whiting, 5-10 of precipitated calcium carbonate, 0.2-0.3 of hydroxypropyl methylcellulose, 2-4 of re-dispersible latex powder, 0.1-0.3 of polypropylene staple fiber, 0.2-0.4 of moisture repellent and 0.3-0.5 of thixotropic lubricant. The putty is mainly used for direct renovation of an old finishing surface, and has high binding power and excellent water resisting property and ventilation property to a renovated substrate. The putty has the advantages of high strength, corrosion resistance, scrub resistance, high cracking resistance and convenient construction. All raw materials are non-volatile chemical substances, therefore, the putty is a comprehensive environment-friendly green product without toxicity or harms.

The invention brings forward a high-performance coating for a composite material. The coating uses organosilicon modified polyurethane as a main resin component and comprises the following components by weight: 10 to 50 parts of polyurethane prepolymer and 5 to 30 parts of organosilicon modified polyurethane, wherein the organosilicon modified polyurethane is one selected from or a mixture of a block copolymer and a grafted copolymer, the content of organosilicon in the organosilicon modified polyurethane is 5% to 35%, the molecular weight of the organosilicon modified polyurethane is 2000 to 50000, the polyurethane prepolymer is one selected from or a mixture of cyanate prepolymer, hydroxyl terminated prepolymer, silicyl terminated prepolymer and acrylate terminated prepolymer, and the molecular weight of the polyurethane prepolymer ranges from 1000 to 100000. The coating provided by the invention has good heat resistance, hydrophobicity and weatherability; in use of the elastic coating, spraying pretreatment of a material surface is not needed, and the elastic coating has good adhesion.

The invention discloses a heat-resistant and corrosion-resistant epoxy coating for a heat-resistant and corrosion-resistant power distribution cabinet shell. The heat-resistant and corrosion-resistant epoxy coating is prepared from the following raw materials in parts by weight: 20-40 parts of bisphenol A type epoxy resin, 10-20 parts of polyphenols glycidyl ether epoxy resin, 5-15 parts of novolac epoxy, 6-14 parts of aminoethyl piperazine, 1-2 parts of coalescing agent, 2-4 parts of trimethyl phosphate, 2-6 parts of modified asbestos, 2-4 parts of zeolite powder, 6-10 parts of mica powder, 2-4 parts of glass beads, 1-6 parts of porous powder quartz, 2-6 parts of coal ash, 1-4 parts of cornstalk, 2-5 parts of bentonite, 1-4 parts of carbon black, 5-12 parts of zinc phosphate, 0.5-1.5 parts of antibacterial agent, 2-4 parts of defoaming agent, 5-15 parts of polyvinyl alcohol, and 40-80 parts of water. The epoxy coating disclosed by the invention has extremely high heat stability and corrosion resistance, is not only excellent in airtightness, and but also strong in surface adhesion; and meanwhile, the smearing tenacity can be effectively enhanced, and the smeared coating is hard to break even encountering strong impact.

The invention relates to the technical field of conductive membranes, particularly to a nano-silver flexible conductive membrane and a preparation method thereof. The nano-silver flexible conductive membrane comprises a PET substrate layer, wherein corona treatment is performed on the surface of the PET substrate layer; a conductive coating layer which is arranged on the surface of the PET substrate layer comprises the following raw materials in percentage by weight: 50-75% of absolute ethyl alcohol, 2-5% of terpilenol, 1-3% of acetyl tributyl citrate, 2-8% of joint cement, 1-5% of polyethylene glycol 400, 2-3% of span 85, 1.5-3% of ethyl cellulose, 3-8% of silver powder of 20-40 nanometers, and 10-18% of silver powder of 150-450 nanometers. The nano-silver flexible conductive membrane, provided by the invention, has the characteristics of stable surface conductivity of the formed film, low resistivity, high light transmittance and strong adhesive force. The preparation process of the nano-silver flexible conductive membrane is simple and mature, coating equipment is simple, the operation is convenient, the cost is low, and the nano-silver flexible conductive membrane facilitates popularization and application.

The present invention relates to a radiation-absorbing heat exchange sheet material on the absolute bolometer for measuring the solar radiation, especially to a diamond composite film used on the absolute bolometer and the preparing method thereof. The diamond composite film used on the absolute bolometer in the invention is prepared by compounding the pure diamond piece layer which is taken as the heat sink material and the black boron-doping diamond film that is taken as the light radiation absorbing material. The preparing method is firstly preparing the heat sink diamond piece with a one-time chemical vapor deposition, and then depositing the carbon nano-tube film layer on the diamond piece with a floating catalytic method. The diamond composite film of the invention has the advantages of strong heat and impact resistance, higher absorbing rate to the radiation and the rate is up to 99%, and stability for a long period; and the surface adhesions of the heat sink material and radiation-absorbing material are excellent. Thereby the measuring precision and sensitiveness of the bolometer can be increased and the measuring period can be shortened, and the adaptability of the absolute bolometer in the working condition of satellite is increased.

The invention belongs to the technical field of two-dimensional codes, and particularly relates to a two-dimensional code waterborne stereoscopic anti-counterfeit color-changing ink. The ink is prepared from the following components in mass by percentage: 30% to 50% of aqueous acrylic resin solution; 15% to 25% of acrylic emulsion; 5% to 10% of waterborne polyurethane resin solution; 15% to 25% ofthermochromic powder; 10% to 20% of foaming agent; and 1.0% to 3.0% of auxiliaries. The thermochromic powder is a reversible thermochromic powder capable of changing from colorless to colored at 55 DEG C to 75 DEG C, and the foaming agent is a heat-expandable microcapsule. An anti-counterfeiting mark of the two-dimensional code using the ink (the anti-counterfeiting mark can be letters, numbers,graphics and the like, and can be connected with a database of a production company) is not visible at a normal temperature, and presents a three-dimensional shape at a high temperature, and the colorchanges from colorless to colored, the ink is strong in three-dimension, has clear edges and good friction resistance, is not easy to fall off, and is green and environmentally friendly. The color isreversible while a bulge is irreversible, and use of two-dimensional code is avoided being stolen while maintaining fun.

The invention discloses a modified polypropylene material with high adhesion. The polypropylene material comprises the following raw materials in parts by weight: 60-80 parts of polypropylene resin, 10-30 parts of modified inorganic fillers, 4-8 parts of functional resin, 1-2 parts of epoxy resin, 0.5-1 part of a functional agent, 0.1-0.3 part of a nucleating agent, 0.1-1.0 part of an antioxidant and 0.1-1.0 part of a processing agent. In the modified polypropylene material, universal polypropylene is used as a basic material, so that the polarity of the polypropylene material is greatly improved by adopting a manner of adding the specific functional resin, epoxy resin, a functional agent and modified inorganic fillers and adjusting the ratio of the raw materials, therefore, the material has excellent surface adhesion and can be directly sprayed.

The invention belongs to the technical field of preparation of carbon-containing refractory material, and mainly relates to composite powder for improving scouring resistance of a carbon-containing refractory material and a preparation method of the composite powder. The provided composite powder for improving the scouring resistance of the carbon-containing refractory material is compounded from zirconium carbide particles and nano zirconium oxide, wherein the mass ratio of the nano zirconium oxide to the zirconium carbide particles in the composite powder is 0.5:1 to 1:0.5; the particle size of the zirconium carbide particles is 200-400 meshes, and the zirconium carbide particles are positioned in the center of the composite powder; the nano zirconium oxide is part of stable zirconium oxide of which the particle size is less than 30nm; the nano zirconium oxide is uniformly dispersed and is enwrapped on the outer surface of the zirconium carbide particles; and the particle size of the composite powder is between 80 meshes and 150 meshes. The composite powder provided by the invention ensures that zirconium oxide has strong adhesive force on the surface of zirconium carbide, and meanwhile, and the composite powder is crushed after drying to obtain an appropriate particle size, and finally obtain the nano zirconium oxide coated zirconium carbide composite powder.

The invention discloses a pipette tip for sucking viscous liquid. The pipette tip for sucking viscous liquid comprises a pipette tip body which is of a hollow tubular structure, and further comprisesa composite layer and a hydrophobic oil layer. The composite layer is arranged on the surface of the inner and outer tube walls of the pipette tip body, the composite layer comprises an amino acrylicresin and inorganic nano-particles; the surface of the composite layer has a nano-sized protruding structure formed by combining the amino acrylic resin and the inorganic nano-particles; the hydrophobic oil layer is arranged on the composite layer, and the hydrophobic oil layer comprises fluoroalkyl silane. The invention also discloses a preparation method of a pipette tip for sucking viscous liquid. The pipette tip for sucking viscous liquid disclosed the invention not only has good hydrophobicity, but also has oleophobicity, and is mainly used for sucking viscous liquid, effectively reducingthe residue of droplets on the surface of the tip, so that the volume of the droplets dropped is more precise; the spraying method is used to distribute the inorganic nano-particles evenly and make the coating thickness uniform, which is suitable for large-scale standardized production.

The invention discloses an implementation method for welding a tin-solderable conductor and a tin-unsolderable matrix. The implementation method comprises the following steps: preparing the tin-solderable conductor and the tin-unsolderable matrix; welding a tin-solderable metal layer which is formed on the tin-solderable conductor and the tin-unsolderable matrix through coating in advance; and cooling to congeal the soldering tin so as to fix connection between the tin-solderable conductor and the tin-unsolderable matrix. The implementation method, the application method and the connection structure for a welding tin-solderable conductor and a tin-unsolderable matrix has the advantages of improving the reliability and aesthetic property for coaxial cable welding, reducing the cost, improving the efficiency and reducing pollution.

The invention relates to a seam binding agent with modified fatty amine as epoxy curing agent resin. The agent is suitable for easy-cracking positions in indoor and outdoor decorations. The agent is filled into seams of same or different materials such as wood, brick and stone, gypsum board, calcium silicate, and the like, for providing an excellent anti-cracking effect. The agent can also be used as a binding agent for roof leakage repairing, wood, and plastic. The agent can be used in crack sealing and water proofing of various grouting projects, bridges, and tunnels. According to the invention, a novel nano fiber binding technology is adopted. When the product is cured, nano fibers in the product form a high-molecular high-density net-shaped film at a seam position, wherein the physical density of the film is close to that of wood board or gypsum board. The film can expand or contract synchronically with the board when weather is changed, and has good cracking resistance, adhesive force, and flexibility. The seam binding agent is advantaged in fast shaping, easy construction, and low sagging.

The invention relates to a photocuring transfer printing material that can be printed on surfaces of transparent or semitransparent glass, plastic or rubber. The material comprises of the following components: 25-45% of oligomer, 30-50% of activated monomer, 2-8% of UV(ultraviolet) photoinitiator, 1-20% of superfine glass fiber, 0-5% of inert filler and 0-5% of organic solvent, wherein the oligomer is one or more of polyurethane acrylate, aliphatic polyurethane methacrylate, polyester acrylate and epoxy acrylate; the curing of the photocuring transfer printing material is caused by UV radiation; and the glass fiber is dipped with a silane coupling agent. The photocuring transfer printing material is small in curing shrinkage rate, high in wearing resistance and convenient to use, and has a strong adhesive force with surfaces of transfer printing substrates; and a construction process and a curing process of the material are basically the same with those of the traditional photocuring material.

The invention discloses an environment-friendly high-performance furfural-free epoxy chemical grouting material, which is prepared with 100 parts of epoxy resin, 100-150 parts of diluent, 8-20 parts of curing agents, 0.5 part of accelerators and 18 parts of other auxiliaries. Acetone is mixed with catalysts, benzaldehyde is dropped in at the room temperature, the reaction temperature is controlled to range from 20 DEG C to 40 DEG C, and reaction is performed for 0.5-5 hours, so that the diluent is obtained. The molar ratio of the benzaldehyde to the acetone is (0.8-2.5):1. The environment-friendly high-performance furfural-free epoxy chemical grouting material abandons toxic furfural and has an excellent mechanical performance and high surface adhesion force, the initial viscosity of slurry can be adjusted, and gelation time can be controlled. Moreover, the jet-grouted solid of the prepared grouting material is light in color, and the grouting material is capable of meeting the special requirements of a plurality of places on colors and can be widely used as building decoration materials and used for reservation of cultural relics and projects such as water plugging, water proofing, foundation reinforcement and the like.

The invention relates to an acrylic acid transparent powdery paint for glazing. The powdery paint includes resin, a levelling agent, a curing agent and benzoin; wherein the resin is a methacrylic acid copolymer, the levelling agent is a pure levelling agent without fillers and the curing agent is dodecanedioic acid. Through improvement of the formula and the preparation method, the acrylic acid transparent powdery paint is strong in surface adhesive force and is good in acid resistance, alkali resistance, salt spray resistance and heat and humidity resistance.

The invention discloses a modified separation membrane for membrane distillation, and a preparation method and an application thereof. The modified separation membrane is prepared by the following steps: S1, performing surface activation on a polyvinylidene fluoride hydrophobic membrane, and preparing a dopamine solution or a plant polyphenol-chitosan solution; S2, performing surface hydrophilic layer coating modification on an activated polyvinylidene fluoride hydrophobic membrane by adopting the dopamine solution or the plant polyphenol-chitosan solution, and carrying out cleaning with water; S3, immersing the polyvinylidene fluoride membrane modified in the step S2 into a polycation electrolyte solution for coating modification, and carrying out cleaning with water; and S4, circularly repeating the steps S2 and S3 for 1-4 times, then repeating the step S2, and carrying out cleaning so as to obtain the modified separation membrane. The modified separation membrane provided by the invention simultaneously has a super-hydrophilic surface layer and a hydrophobic mass transfer layer, can treat pollutants containing low surface energy and keep long-term stable operation, and has highsalt rejection rate, stable permeation flux and high effluent quality.

A tropics-type laminated hard plastic/aluminium plate with high sealing nature and able to be shaped by punch is prepared from the polyeste (or polyamide) films treated by corona impact and the aluminium foiles through alternative laminating, adhering, and coating thermal sealant.

The invention provides quick-drying non-sticky ultraviolet (UV) ink-jet ink and a preparation method thereof, and relates to the field of ink-jet ink. The ink provided by the invention comprises the following components: a single-functional monomer, a multi-functional monomer, a photoinitiator and color paste, wherein the number of functional groups of the multi-functional monomer is 2-20, and thephotoinitiator comprises a long-wavelength photoinitiator and a short-wavelength photoinitiator. A coating layer of the ink provided by the invention has a high curing rate and good surface dryness and bottom dryness. In addition, the surface adhesive force of coating layer of the ink is relatively high, a phenomena of bottom exposure cannot occur after a plurality of times of wiping, and the result of a paint adhesion testing is grade one or above (containing grade one).

The invention discloses printing ink for anti-counterfeiting embossed tipping paper. The printing ink is prepared from the following raw materials in parts by weight: 50 to 60 parts of acrylic resin,14 to 18 parts of polyvinyl alcohol, 7 to 10 parts of an ethylene-vinyl acetate copolymer, 5 to 20 parts of pigment, 1.5 to 2 parts of silicon dioxide, 0.8 to 2.4 parts of a dispersing agent, 0.5 to 0.8 part of a leveling agent, 1 to 1.4 parts of an antifoaming agent and 25 to 40 parts of a solvent. The printing ink for the anti-counterfeiting embossed tipping paper is prepared from finely selected raw materials; the contents of the raw materials are optimized, so product quality is improved; and the prepared printing ink for the anti-counterfeiting embossed tipping paper has the advantages ofhigh adhesive force with the surface of the tipping paper, good toughness, small possibility of fading, breaking, cracking and the like in the later embossing treatment process of the tipping paper,applicability to the anti-counterfeiting embossed tipping paper, good stability and good migration resistance.