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Anti-icing composite coating and manufacturing method thereof

The invention discloses an anti-icing composite coating and a manufacturing method thereof. The anti-icing composite coating comprises three layers, wherein an inner layer is an organic silicon modified epoxy resin layer, a middle layer is a polyelectrolyte salt layer and an outer layer is a fluorine-silicon modified acrylic ester layer. The anti-icing composite coating is coated on the surfaces of components, such as high-voltage cables, iron towers, communication lines, aircrafts and the like, the adhesive force between the inner layer and a substrate can be increased due to the inner layer, icing can be slowed down due to ions ionized by the middle layer, and the adhesive force of ice on the surface and the icing quantity of the surface can be reduced due to the super hydrophobicity of the outer layer. The anti-icing composite coating has excellent bonding force on the substrate and higher heat conductivity, the surface of the outer layer has low surface tension, high hydrophobicity and high icing resistance, and the adhesive force of water and ice can be reduced to the maximum, thus the water and the ice can be easily removed; meanwhile, the middle layer can ionize ions to delay the adhesion of the ice under severe environment, thus the purposes of icing prevention and ice removal are realized. The manufacturing method disclosed by the invention has the advantages of easiness, feasibility, convenience for control, lower cost, and excellent use effect during engineering.
Owner:WUHAN UNIV +1

Rust removal device of artware

The invention discloses a rust removal device of an artware. The rust removal device comprises a box body; a first partition board and a second partition board are arranged inside the box body correspondingly, the outer side faces of the first partition board and the second partition board are fixedly connected with the inner side wall of the box body correspondingly, the left side and the right side of the inner bottom wall of the box body are fixedly connected with first driving motors correspondingly, and rotating rods are fixedly connected to the top ends of the output shafts of the two first driving motors correspondingly, and the top ends of the two rotating rods penetrate through and extend to the upper part of the first partition board. According to the device, an acid washing liquid is used for reacting with rusty chips on the artware, so that the rust chips on the artware can fall off conveniently, and cleaning water can be used for washing the rust chips and the acid washingliquid on the artware; and two electromagnetic valves are controlled, so that the washing water is closed when the acid washing liquid is needed, and the acid washing liquid is closed when the washing water is used; and the purposes of economical using the acid washing liquid and the washing water are effectively achieved.
Owner:湖州艺雅斋湖笔有限公司

Silicon dioxide nanometer aerogel hollow-core glass bead composite fireproof insulation board material and preparation method thereof

The invention relates to the technical field of insulation building materials and particularly discloses a silicon dioxide nanometer aerogel hollow-core glass bead composite fireproof insulation board material and a preparation method thereof. The silicon dioxide nanometer aerogel hollow-core glass bead composite fireproof insulation board material is characterized by comprising an upper inorganic fiber layer and a lower inorganic fiber layer. A composite insulation sandwich layer is bonded between the upper inorganic fiber layer and the lower inorganic fiber layer and is formed by mixing modified silica sol emulsion, melamine aerogel powder or water-soluble powder phenolic resin, a dispersant, a water repellent, silicon dioxide nanometer aerogel, hollow-core glass beads, a carbon nano tube, wollastonite powder, mica powder, a fine foamer, a curing agent and a hydrosolvent according to a certain weight ratio. According to the silicon dioxide nanometer aerogel hollow-core glass bead composite fireproof insulation board material and the preparation method thereof, innovative composite technology and fine foaming technology are adopted, high-tech space thermal insulation materials are changed for industrial and civil use, and the fireproof insulation board material is prepared and becomes an important way for technological development of fireproof insulation materials in the future.
Owner:王贵然

Negative electrode material with multiple coating structures as well as preparation method and application of negative electrode material

The invention relates to a negative electrode material with a multi-coating structure as well as a preparation method and application of the negative electrode material. The negative electrode material with the multiple coating structures comprises lithium-containing silicon monoxide as well as a lithium salt coating layer, a carbon coating layer and a polymer coating layer which sequentially coatthe surface of the silicon monoxide. The lithium salt coating layer of the negative electrode material effectively inhibits the volume expansion of the material, improves the ionic conductivity of the surface of the material, improves the cycling stability of an electrode, and reduces the alkalinity of the material; the carbon coating layer of the negative electrode material improves the electronic conductivity of the surface of the material and improves the oxidation-reduction reaction rate of the surface of the material; the polymer coating layer of the negative electrode material improvesthe compatibility between the silicon monoxide and the organic electrolyte, limits the volume expansion of the material to a certain extent, avoids the cracking of the material, and more effectively improves the cycling stability of the electrode.
Owner:JIANGSU ZENIO NEW ENERGY BATTERY TECH CO LTD

Anti-icing coating for insulator

InactiveCN102140310AHydrophobicIncrease pollution flashover voltageSuspension/strain insulatorsCoatingsMetallurgyHigh resistivity
The invention discloses an anti-icing coating for an insulator. The anti-icing coating consists of a high-resistivity coating and a low-resistivity coating. The high-resistivity coating consists of silicon rubber and carbon black, wherein the weight percentage content of the carbon black is lower than 1 percent; and the high-resistivity coating is coated at the outermost edge of the skirt of the insulator. The low-resistivity coating consists of silicon rubber and carbon black, wherein the weight percentage content of the carbon black is between 10 percent and 30 percent; and the low-resistivity coating is coated on the surface of the insulator except the outermost edge. Two coatings with high resistivity and low resistivity are prepared respectively by adding carbon black into the silicon rubber according to different proportions; the upper surface and the lower surface of the skirt of the insulator are coated with the low-resistivity coating; and the outermost edge of the skirt of the insulator is coated with the high-resistivity coating. By adopting the high-resistivity coating, ice is prevented from growing at the skirt edge by adopting the high-resistivity coating, the flashover voltage is prevented from being lowered by ice bridging, the working stability of the insulator is enhanced, and safe and reliable power transmission is ensured.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID +1

Heavy metal contaminated soil remediation device

The invention belongs to the technical field of soil remediation devices, and particularly discloses a heavy metal contaminated soil remediation device which comprises a tank, an outer barrel, a spiral conveying shaft and smashing rods. A motor is mounted on the top of the tank, the spiral conveying shaft is arranged inside the tank, the outer barrel is rotationally connected into the tank and ispositioned on the outer side of the spiral conveying shaft, the inner wall of the outer barrel is in contact with the edges of the spiral conveying shaft, a screening module is mounted on the inner wall of the tank and corresponds to the lower side of the spiral conveying shaft, a spray module is arranged inside the tank and is positioned at the bottom of the screening module, and two squeezing modules are mounted on a side of the inner wall of the tank; the motor is in transmission connection with the spiral conveying shaft; the four smashing rods are arranged on two sides of an outer cylindrical surface of the outer barrel and correspond to the two squeezing modules, three smashing modules are arranged on each smashing rod, and the smashing rods and the smashing modules are used for crushing soil blocks. The heavy metal contaminated soil remediation device has the advantages that the screening efficiency of funnel-shaped sieve plates can be improved, and the soil remediation chemicaland soil mixing efficiency can be improved.
Owner:叶淑源

Preparation method for titanium dioxide nanotube loaded with macroporous antimony tin oxide

The invention discloses a preparation method for a titanium dioxide nanotube loaded with a macroporous antimony tin oxide, relates to the technical field of preparation of metal oxide electrode materials and also relates to the technical field of treatment of phenolic waste water. The preparation method comprises the following steps: immersing the titanium dioxide nanotube filled with an antimony tin oxide into highly dispersed polystyrene microsphere alcohol liquor, drying and forming a film at a constant temperature to prepare the titanium dioxide nanotube loaded with an opal polystyrene template; and then, coating polymer precursor liquor on the opal polystyrene template of the titanium dioxide nanotube loaded with the opal polystyrene template, sintering at a high temperature to remove polystyrene microspheres to obtain an antimony tin oxide material with an inverse opal macroporous structure, which takes the titanium dioxide nanotube as a base body. According to the preparation method, a macroporous antimony tin oxide film material which is compact, uniform and ordered is prepared on the base body of the titanium dioxide nanotube by virtue of a polymer precursor process. The preparation method is convenient for industrial production and relatively low in cost.
Owner:YANGZHOU UNIV
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