37results about How to "Achieve long-term protection" patented technology

The invention discloses a fluorine-silicon nanometer waterproof and heat-insulating composite material and a preparation method thereof, comprising the steps of: 1) adding fluorine-containing polymer resin and xylene into a jacketed cylinder and stirring evenly; 2) raising the temperature of the liquid in the cylinder to 40-40 60°C, then add nano-silicon solution and stir while stirring, keep the temperature at 40-60°C, stir for 20-40 minutes, then cool to 20-30°C, the above-prepared fluorosilicon nano-resin solution is ready for use; 3) In the material Add fluorine-containing polymer resin, dispersant, and inorganic pigment powder into the tank for high-speed dispersion, and prepare a pigment slurry; 4) Add fluorosilicon nano-resin liquid into the material tank, add pigment slurry, add defoamer, leveling agent, base material Wetting agent, elastic resin, 5 thermal insulation materials, and butyl acetate are stirred to obtain the A component of the fluorosilicon nano-waterproof and heat-insulating composite material; the A component and the coating B component cross-linking agent form the fluorosilicon nano Waterproof and thermal insulation composite. The waterproof and heat-insulating paint of the invention has good weather resistance and corrosion resistance, and is environmentally friendly.

The invention provides herbaceous plant nutritive water based on an emulsified microcapsule and a preparation method of the herbaceous plant nutritive water. The preparation method comprises the following specific steps: mixing hydrogenated vegetable oil, low erucic acid rapeseed oil , siloxane, microcrystalline wax and diglycerol, heating and uniformly stirring, and performing heat reservation and sterilization to obtain an oil phase; adding ethylene glycol, propylene glycol, glycine betaine, urea, poly-sodium glutamate, triethanolamine, caprylhydroxamic acid and hexylene glycol into deionized water, heating and uniformly stirring, performing heat preservation and sterilization to obtain a water phase; adding the oil phase into the water phase, performing heating, homogenization and low-speed stirring, adding cetyl ethyl hexanoate and stearic acid, then slowly adding PEG-40 hydrogenated castor oil and a microcapsule wall material, cooling, adding tremella, centella asiatica, polygonum cuspidatum, scutellaria baicalensis, tea leaves, glycyrrhiza glabra, female chrysanthemum, rosemary leaves, beer saccharomycete and grape fruit cell extract active components, and adding chondrus crispus extracts, bio-saccharide gum-1, diglycerol, palmitoyl tripeptide-1 and essence for mixing to obtain the herbaceous plant nutritive water based on the emulsified microcapsule.

The invention relates to a novel energy automobile motor with a favorable cooling effect and having a dustproof function. The novel energy automobile motor comprises a shell, a plurality of air inletmechanisms and a plurality of air outlet mechanisms, wherein a rotation shaft, a rotor winding, a stator, a driving mechanism, a plurality of fan blades and two bearings are arranged in the shell, theair outlet mechanism comprises a fixed rod, two connection rods and a plurality of air outlet assemblies, each air outlet assembly comprises air outlet holes, blocking blocks, a sliding rod, a pressure plate and a first spring, and the air inlet mechanism comprises an air inlet pipe, a filtering net, a driving block, a second spring and a connection block. In the novel energy automobile motor with the favorable cooling effect and having the dustproof function, hot air in the shell is conveniently discharged out of the air outlet mechanism through the air outlet holes, and the blocking blocksenter the air outlet holes during idling to prevent external dust from entering the air outlet holes and cause unsmooth air circulation; and moreover, the dust in the air is filtered by the filteringnet in the air inlet mechanism, dust accumulation is prevented to cause blocking, so that a favorable ventilation effect is guaranteed, and the practicability of the equipment is improved.

The invention discloses a protection method for stone artifacts, which comprises: the surface of the stone artifacts is cleaned; a first protective agent composition is coated on the surface of the stone artifacts and solidified at room temperature to form a transparent basic protective layer; a second protective agent composition is coated on the basic protective layer and solidified to form a transparent intermediate protective layer under room temperature and illumination; and a third protective agent composition is coated on the intermediate protective layer and solidified at room temperature to form a transparent surface protective layer. By using the protection method for the stone artifacts, steles can be well protected, and the original morphology and structure can be maintained. At the same time, the formed composite protective layer has good waterproof, water-resistant, oil-dredging, corrosion-resistant, wear-resistant, corrosive gas and ultraviolet ray barrier property and other comprehensive properties. Besides, cultural relics can also maintain the natural 'breathing' effect.

The invention relates to a chemically modified chlorinated polyether resin and an anticorrosive coating thereof. The chemically modified chlorinated polyether resin is modified by chemical reaction between a monomer containing carbon-carbon double bond and a chlorinated polyether resin, with viscosity of 1000-2500MPa.s. The use level of the reactants in the chemical reaction is as follows based onpart by weight: 1 part of chlorinated polyether resin, 2-4 parts of monomer containing carbon-carbon double bond, 3-5 parts of xylene and 0.03-0.05 part of mixed initiator; wherein, the monomer containing carbon-carbon double bond is one or more of ethyl acrylate, butyl acrylate, acrylic acid 2-ethylhexyl ester, methyl methacrylate, butyl methacrylate and styrene; the mixed initiator is the mixture of benzoperoxide and azodiisobutyronitrile, with weight ratio of 0.5-3 to 1. The anticorrosive coating with the chemically modified chlorinated polyether resin of the invention and the chlorinatedpolyether resin as base materials has obviously better storage stability, coating film gloss, mechanical property and various anticorrosion properties than the physically blended and modified chlorinated polyether resin coating.

The invention discloses a saline-alkali area concrete salt erosion transmission inhibition material. The saline-alkali area concrete salt erosion transmission inhibition material comprises the following components by weight: 10-15 parts of epoxy modified polysiloxane, 15-20 parts of polypropylmethylsilsesquioxane, 15-20 parts of mercaptopropyl silane, 5-10 parts of short-fluoro chain fluorine-containing polyacrylate, 10-15 parts of nano alumina, and 20-30 parts of water. The concrete erosion resistant material provided by the invention has excellent protective performance to saline-alkali area concrete, and can effectively inhibit salt erosion and guarantee the concrete service life. The material provided by the invention utilizes the nano-filling hole blockage effect of nano alumina to reduce concrete porosity so as to improve compactness.

The invention discloses an anticorrosive coating for a steel structure in alkaline steam environment. The anticorrosive coating is prepared from the following components in percentage by mass: 25% to30% of organosilicone macromolecular polymer, 10% to 30% of dispersant, 0.8% of defoaming agent, 1.1% to 1.3% of thickener, 25% to 30% of SiO2 (silicon dioxide) powder, 20% to 25% of Al2O3 (aluminum oxide) powder, and 3% to 5% of TiO2 (titanium dioxide) powder. The anticorrosive coating has the advantages that the anticorrosive coating can be constructed with rust, the requirement for constructionenvironment is low, and the labor intensity of coating is greatly decreased; the certain self-cleaning ability is realized, the zinc-rich primer is not needed in the heavy anticorrosive field, and the environment-friendly property and reliability of heavy anticorrosive treatment are greatly improved.

The invention discloses a high-conductivity and corrosion-resistant graphite carbon protective multilayer composite coating as well as its preparation method and application. The highly conductive and corrosion-resistant graphite-like carbon protective multilayer composite coating includes a chromium-iridium transition layer and a graphite-like amorphous carbon layer formed sequentially on the surface of the substrate, wherein the content of iridium in the chromium-iridium transition layer is 2 ~10wt%. Further, the substrate includes a metal bipolar plate. The highly conductive and corrosion-resistant graphitic carbon protective multilayer composite coating provided by the present invention contains a chromium-iridium transition layer, which effectively provides a corrosion buffer layer through the doping of iridium elements, and the transition layer will form an oxide layer after corrosion. Iridium conductive path, this conductive path can avoid the continuous generation of chromium oxide layer, avoid the sharp increase of contact resistance, so as to realize the long-term protection of the metal bipolar plate.

The invention relates to a steel transformer radiator surface protection technique, particularly a zinc-aluminum paint applied to a steel transformer radiator surface and a preparation method thereof. The zinc-aluminum paint comprises the following components in percentage by weight: 20-60% of flaky metal zinc powder, 5-20% of flaky metal aluminum powder, 10-30% of modified epoxy resin, 10-20% of diluter, 1-5% of silane coupling agent, 1-5% of titanate coupling agent, 1-5% of surfactant, 1-3% of rusty scale conversion agent and 0.2-1% of antisettling agent. The preparation method comprises the following steps: wetting the flaky aluminum powder with the diluter, adding the titanate coupling agent and silane coupling agent, mixing to obtain an aluminum paste, adding the modified epoxy resin, flaky zinc powder, surfactant, rusty scale conversion agent and antisettling agent, and stirring uniformly to finally obtain the finished product zinc-aluminum paint. The zinc-aluminum paint can be cured at room temperature, is easy to repair, has favorable outdoor application effect, and implements long-acting protection on the transformer radiator on the premise of not influencing the radiation efficiency.

The invention discloses a construction method and application of a recombinant adenovirus of a triple epitope gene of a cow mastitis pathogenic bacterium and a grouper c-type lysozyme gene. In the experiment, the specific protein of the main pathogenic bacteria of dairy cow mastitis was selected, and the two B cell dominant epitopes of each protein were predicted by the ABCpred scheme and the BepiPred scheme, and the obtained dominant epitopes were connected to obtain the TRE sequence, and the cLYZ sequence was obtained on GeneBank and Perform mammalian cell-preferred codon optimization. A self-cleaving peptide of Thoseaasigna virus 2A (T2A) with high shearing efficiency was inserted between the TRE sequence and the cLYZ sequence, and the pMD‑19T vector containing the target gene fragment was obtained after synthesis. Subcloning the TRE gene, T2A gene, and cLYZ gene into the shuttle vector pDC315‑MCS‑EGFP; using LipoFiter TM The recombinant shuttle vector and the adenovirus large backbone pBHGlox(delta)E1,3cre were co-transfected into HEK293 cells by liposome transfection to achieve homologous recombination and obtain the recombinant adenovirus Ad‑TRE‑T2A‑cLYZ‑EGFP.