36 results about "Acid rain" patented technology

The invention relates to a composite cable, and relates to the technical field of cables, the composite cable comprises a conductor layer, a composite insulating layer, a waterproof layer, a weather-proof sheath layer and an armor layer from inside to outside in sequence, the conductor layer comprises at least six tinned copper conductors, the tinned copper conductors are symmetrically arranged in a regular hexagon shape, dielectric elastomers are filled among the conductors, and the dielectric elastomers are arranged between the tinned copper conductors. The composite insulating layer comprises an inner shielding layer, a main insulating layer and an outer shielding layer from inside to outside, the waterproof layer is a fluororubber extruded layer, the weather-proof sheath layer comprises a bonding transition layer and a weather-proof functional layer, and the armor layer is of a stainless steel band spiral wrapping structure. The composite cable can meet the requirement for high performance in a harsh environment and can show excellent performance under the extreme conditions of low voltage, large day and night temperature difference, strong ultraviolet rays, sand and dust abrasion, acid rain corrosion and the like.

The invention discloses a colored photovoltaic module which comprises a transparent colored glaze panel, a transparent bonding layer A, a battery layer, a bonding layer B and a back plate which are sequentially packaged in a stacked mode. The transparent colored glaze panel comprises a glass substrate, a transparent colored coating covering the outer side surface of the glass substrate, and a transparent glaze layer covering the outer side surface of the transparent colored coating; the transparent glaze layer is combined with the transparent colored coating through a covalent bond; the main component of the transparent glaze layer is silicon dioxide. The transparent colored coating of the colored photovoltaic module is positioned on the outer surface of the glass panel of the photovoltaic module, so that the defect of glass texture of a traditional photovoltaic module serving as a building material product is overcome; a transparent glaze layer with silicon dioxide as a main component is further arranged outside the transparent colored coating to serve as a protective layer, the adhesion fastness is high, the excellent performance of high hardness, high transparency, super weather resistance, acid and alkali resistance, scratch resistance and stain resistance is achieved, and the colored coating is effectively protected against color fading, falling off and external erosion such as acid rain, ultraviolet and sand wind.

The application discloses a waterproof coating for outer wall weather resistance, heat insulation and heat preservation and a preparation method thereof. The waterproof coating comprises the following components in parts by weight: modified acrylate polymer emulsion 27-35 parts, composite filler 35-50 parts, curing system 5-10 parts, film forming aid 4-8 parts, defoaming agent 0.1-0.5 parts, leveling agent 0.3-0.8 parts, mildew-proof agent 0.2-0.6 parts, thickening agent 0.5-1.0 parts and pH regulator 1-5 parts. The modified acrylate polymer emulsion is prepared by pretreating and silanization modifying cardanol, monomer pre-emulsification and free radical polymerization. The waterproof coating provided by the application introduces Si-O-C network and hindered amine free radical capture system to improve weather resistance; fluorine compound-nano silicon dioxide constructs roughness-low surface energy synergistic waterproof interface; acid washing fly ash floating beads, silica aerogel and expanded perlite filler are compounded to form multiple heat conduction scattering paths to realize cross-scale porous filler heat preservation; and the waterproof coating can serve in complex environments such as large temperature difference fluctuation and acid rain.

A slurry reactor liquefied gas desulfurization device and a desulfurization method thereof relate to the technical field of liquefied gas treatment, and comprise a fixed bed reactor, a mercaptan removal tank, a water washing tank, an alkali liquor oxidation tower and an alkali liquor tank, a top inlet of the fixed bed reactor is communicated with liquefied gas obtained by desulfurization of a lean amine solution through a pipeline, a bottom outlet of the fixed bed reactor is communicated with a top inlet of the mercaptan removal tank through a pipeline, and a top outlet of the mercaptan removal tank is communicated with a top inlet of the washing tank through a pipeline; an outlet in the top of the washing tank is communicated with a refined liquefied gas pipe network through a pipeline; a bottom outlet of the mercaptan removal tank is communicated with a bottom inlet of the alkali liquor oxidation tower through a pipeline, a bottom outlet of the alkali liquor oxidation tower is communicated with a top inlet of the mercaptan removal tank through a pipeline, and one side of the lower end of the alkali liquor oxidation tower is connected with an air inlet pipeline; according to the method, mercaptan in liquefied gas can be removed, sulfur dioxide is prevented from being generated after combustion, acid rain and air pollution are reduced, meanwhile, consumption of alkali liquor can be reduced, and the discharge amount of waste alkali liquor is reduced.

The invention belongs to the technical field of pollution treatment, and particularly discloses a method for evaluating the long-term stability of repaired heavy metal polluted soil. The method comprises the following steps: crushing and sieving the treated heavy metal polluted soil to obtain a sample, and then mixing the sample with different acid rain accelerating solutions; continuously oscillating the mixture for a preset time length to obtain a mixed solution of a single acceleration test; circularly executing an acceleration test on the mixed solution, and determining the concentration Ci and the chemical form distribution characteristics of the heavy metal element after each time of completion; based on the environmental background values Bi and Ci, calculating a heavy metal polluted soil stability index Ei = Ci / Bi, and constructing a long-term stability index model EN; setting a long-term stability grading standard, and evaluating the long-term stability grade of the repaired heavy metal polluted soil according to the Ei and the EN by comparing the standard. According to the method, the durability of the remediation effect can be accurately quantified, and the problem of risk quantification of reactivation of the heavy metal contaminated soil is effectively solved.

The invention relates to the technical field of building composite materials, in particular to a weather-resistant reinforced plastic steel tile and a preparation method thereof. The weather-resistant reinforced plastic steel tile provided by the invention is prepared from the following raw material components: a polyvinyl chloride resin matrix, a glass fiber reinforced material, filler, nano silicon dioxide, adsorption type calcium carbonate, a titanium-carbon hybrid weather-resistant agent and a synergist. Acid etching ions are selectively captured through a zeolite molecular sieve of adsorption type calcium carbonate to improve the acid resistance of the plastic steel tile, an ultraviolet shielding net is constructed in cooperation with a titanium-carbon hybrid weather-resistant agent, meanwhile, chlorine free radicals and active oxygen can be captured through a synergist, and embrittlement caused by oxidation and ash formation of carbon black is prevented. And the service life of the plastic steel tile is prolonged under the conditions of acid rain, ultraviolet and cold and hot cycles.

The invention relates to the technical field of sewage treatment equipment, and discloses a sewage treatment device for sewage purification treatment, which comprises a bottom box, a treatment box is arranged in the middle of the top end of the bottom box, and the bottom of the treatment box is communicated with the interior of the bottom box; the dynamic filtering mechanism is arranged in the treatment box and is used for dynamically separating and filtering the acid rain sewage discharged into the treatment box and soil and impurities contained in the acid rain sewage. By adding and arranging the dynamic filtering mechanism, when rain sewage is treated, on one hand, the mechanism can dynamically separate impurities in the rain sewage in a manner of matching rotation and vibration, so that the separation efficiency of various impurities and the rain sewage is remarkably improved, and on the other hand, in the process of continuously rotating, filtering and separating, the impurities in the rain sewage can be effectively separated. Sewage entering the stainless steel ring filter screen is used for backwashing impurities intercepted or adhered on the filter screen, so that the pores of the filter screen are prevented from being blocked, and the stable filtering flux is ensured.

The application discloses a production process of a road guardrail corrugated beam, which comprises the steps of laser cutting, high-temperature forming and quenching, cutting and trimming, surface treatment and laser punching, etc.; the application cancels the galvanizing process, can reduce the zinc consumption of each ton of product, avoids the discharge of galvanizing wastewater (containing heavy metals such as zinc and chromium), adopts dry operation in the ultrasonic shot blasting process, has no dust pollution, and reduces dust emission compared with the traditional sand blasting process. The thin design makes the weight of the corrugated beam per unit length lower, and the production and transportation costs are also significantly reduced, and the application is especially suitable for installation operation in mountainous areas; the anti-corrosion feature makes the corrugated beam directly used in harsh environments such as coastal salt mist areas and industrial acid rain areas, can replace the traditional stainless steel galvanized guardrail, and the application range is expanded to high-corrosion scenes which cannot be covered by the traditional process.

Red rust staining of Al / Zn coated steel strip in “acid rain” or “polluted” environments can be minimised by forming the coating as an Al—Zn—Si—Mg alloy coating with an OT:SDAS ratio greater than a value of 0.5:1, where OT is the overlay thickness on a surface of the strip and SDAS is the measure of the secondary dendrite arm spacing for the Al-rich alpha phase dendrites in the coating. Red rust staining in “acid rain” or “polluted” environments and corrosion at cut edges in marine environments can be minimised in Al—Zn—Si—Mg alloy coatings on steel strip by selection of the composition (principally Mg and Si) and solidification control (principally by cooling rate) and forming Mg2Si phase particles of a particular morphology in interdendritic channels.

The invention provides a steel rail bottom multi-factor coupling corrosion simulation experiment device and method, relates to the technical field of durability testing of rail traffic materials, and aims to solve the problems of fragmentation of environment simulation, low acceleration efficiency and one-sided data acquisition in the prior art. The device comprises an environment simulation subsystem which is used for simulating soil, salt mist, acid rain, ultraviolet and temperature and humidity environments of rail bottom service of a steel rail; the dynamic loading subsystem is used for simulating the dynamic load of the train on the rail bottom of the steel rail; and the monitoring and control subsystem is used for synchronously acquiring multi-dimensional data and realizing system control. According to the experimental method, the corrosion-failure behavior of the rail bottom of the steel rail in a complex service environment can be accurately evaluated through staged setting of environmental parameters, loading of a load spectrum and judgment of a failure threshold value, and data support is provided for research and development of high-corrosion-resistance steel rail materials, protection technology optimization and line operation and maintenance decision making.

The invention provides a permanent factory nameplate of a railway wagon and a mounting method thereof, the permanent factory nameplate of the railway wagon comprises a stainless steel plate base body, and nameplate information is arranged on the stainless steel plate base body; the nameplate information adopts one or more of laser cutting hollow fonts, etching concave paint filling fonts, casting fonts or mould pressing fonts; the permanent factory nameplate of the railway wagon is fixed to a non-replacement area of the railway wagon in an all-welding mode. The permanent factory nameplate for the railway freight car is simple and economical in structure, can adapt to severe environments such as high humidity, salt mist and acid rain, meets the service life-cycle service requirement of 25 years, ensures that manufacturing information managed in the service life-cycle of the car is complete, and can well adapt to the existing railway freight car.

The invention provides a resin emulsion building material, relates to the technical field of building materials, aims to solve the problem of poor comprehensive performance of existing building materials, and adopts the technical scheme that the resin emulsion building material comprises a resin emulsion and a primer, the resin emulsion is prepared from emulsion, a silicon solution, wollastonite, alcohol ester dodecyl carbonate, ethylene glycol, a thickening agent, purified water, a mildew preventive, a defoaming agent, a suspending agent and water; the primer is prepared from alkali-resistant emulsion, a silicon solution, wollastonite, alcohol ester dodecyl carbonate, ethylene glycol, a thickening agent, purified water, a mildew preventive, a defoaming agent, natural sand excavation, a sterilizing agent and a dispersing agent. After the polymeric material is dispersed, the paint has the comprehensive properties of tear resistance, alkali resistance, water resistance, high temperature resistance, temperature change resistance and the like, the situations of cracking, shelling and the like cannot occur even after long-time acid rain, solar ultraviolet irradiation or alkaline substance corrosion, a wall body is protected, and meanwhile, the service life of a coated building surface is prolonged.

The invention discloses a cable connector with a self-locking function, and relates to the technical field of cable connectors. The device comprises a male end and a female end, a first cable is fixed in the male end, a second cable is fixed in the female end, self-locking assemblies which are mutually locked are arranged on the outer wall of the male end and the outer wall of the female end, protection devices are arranged on the outer wall of the male end and the outer wall of the female end, and each protection device comprises two track frames. The two track frames are fixed to the outer wall of the male end and the outer wall of the female end correspondingly, and protective frames are slidably mounted at tracks of the two track frames correspondingly. Through cooperation of the rail frame, the protection frame, the vertical plate, the rail block, the moving column, the U-shaped block, the moving frame, the L-shaped block, the arc plate, the male end, the female end, the first cable and the second cable, the problems that acid rain is located at the male end and the female end for a long time, oxidation and corrosion of the surfaces of the male end and the female end are accelerated, and the service life of the male end and the female end is shortened are solved.

This invention relates to the field of hydroxyapatite technology and discloses aluminum phosphate-modified hydroxyapatite material and its preparation method, comprising the following materials: 1.32g diammonium hydrogen phosphate, 1.33g aluminum chloride, simulated weathering sample, and 200ml deionized water. The modified hydroxyapatite prepared by this invention, by adding an aluminum source during the original protection process, effectively improves the porosity, ultrasonic velocity, and strength of the weathered sample while ensuring aesthetic compatibility. Furthermore, its acid resistance is also improved, effectively enhancing the acid rain resistance of outdoor carbonate rock artifacts.

Embodiments of the present disclosure provide an acid rain observation quality evaluation method and device, equipment and a storage medium, which are applied to the meteorological monitoring technical field. The method comprises: obtaining laboratory measurement data and to-be-evaluated measurement data reported by multiple stations; the to-be-evaluated measurement data and the laboratory measurement data comprise multiple pH values and conductivities; the pH values and the conductivities are arranged in ascending order respectively to obtain a pH array and a conductivity array; the standard value and the standard deviation of the pH array and the standard value and the standard deviation of the conductivity array are calculated, and the abnormal value elimination processing is performed on the pH array and the conductivity array respectively, the corresponding standard value and the standard deviation are updated, and the to-be-evaluated measurement data reported by the stations is evaluated. Therefore, the system can be comprehensively evaluated, close to the real natural environment, and unified standard, and problems existing in the station instrument or personnel operation can be accurately found, which is beneficial to improving the acid rain observation quality of the entire observation station network.

This invention discloses a method and system for low-temperature control of acid rain samples based on active temperature control and semiconductor refrigeration, belonging to the field of acid rain sample low-temperature control technology. The method includes the following steps: sample pretreatment and temperature control triggering, dynamic adjustment of PID control quantity and mapping of PWM signal, semiconductor refrigeration mode driving and execution, and feedback parameter updating and closed-loop control cycle. This invention pretreatment and packaging of acid rain samples into standard samples, collecting temperature data to determine whether temperature control is needed; during temperature control, according to a preset cycle, the PID control quantity is adjusted based on the temperature deviation and mapped to a PWM signal to drive the semiconductor refrigeration module to execute the corresponding mode, collecting and updating the temperature and updating the feedback variables, forming a negative feedback temperature control loop through cyclic execution. This improves the reliability of low-temperature control of acid rain samples and solves the problem of low reliability in existing technologies.

Disclosed in the present application are a transparent colored-glazed panel and a colored photovoltaic module. The transparent colored-glazed panel comprises a glass substrate, a transparent colored coating covering the outer surface of the glass substrate, and a transparent glaze layer covering the outer surface of the transparent colored coating; the transparent glaze layer is covalently bonded to the transparent colored coating; and the main component of the transparent glaze layer is silicon dioxide. In the present application, the transparent colored coating of the colored photovoltaic module is located on the outer surface of the glass panel of the photovoltaic module, thus overcoming the defect of glass texture of traditional photovoltaic modules used as building material products; the transparent glaze layer with silicon dioxide as the main component is further arranged as a protective layer outside the transparent colored coating, and has excellent properties comprising high hardness, high transparency, excellent adhesion, super weatherability, acid and alkali resistance, scratch resistance and stain resistance, thus effectively protecting the colored coating from fading, peeling and external corrosion caused by acid rain, ultraviolet, and wind and sand.

The invention provides a method for evaluating the stability of recyclable resin of a wind power blade. By evaluating the environmental stability of the recyclable resin material, such as high and low temperature, water resistance, acid rain performance, salt mist performance and the like, the environmental stability difference between the recyclable resin material and conventional epoxy resin is investigated, and a data support is provided for ensuring safe and stable operation of the recyclable resin blade in a real environment in the future.

The utility model relates to the technical field of novel hollow plates applied to building roofs, and discloses a novel hollow plate applied to building roofs, which comprises a hollow plate main body, a plurality of groups of holes are arranged inside the hollow plate main body, and a waterproof base layer is arranged outside the hollow plate main body and is used for preventing water; the anti-corrosion surface layer is fixedly arranged on the periphery of the waterproof base layer and used for preventing corrosion; the fixing auxiliary assemblies are arranged on the two sides of the hollow plate bodies and used for fixing the multiple sets of hollow plate bodies, the waterproof base layer is made of PVC materials, water can be effectively prevented from permeating into the hollow plate bodies, reliable waterproof protection is provided for a building roof, the service life of the roof is prolonged, various problems caused by water leakage are reduced, and the service life of the building roof is prolonged. The anti-corrosion surface layer is made of ASA materials, has corrosion resistance and can resist various corrosion factors such as acid rain and chemical substances in the external environment, and the hollow plate body is protected against corrosion damage.

This invention belongs to the field of geotechnical engineering and geological disaster prediction technology, and particularly relates to an atmospheric coupled degradation simulation test system for slopes. It includes a slope model box, a non-uniform thermal radiation field simulation system, a multiphase seepage system, a dynamic stress loading system, and a control calculation system. The non-uniform thermal radiation field simulation system simulates the surface temperature gradient and mineral thermal expansion effect caused by solar radiation. The multiphase seepage system simulates acid rain, snowmelt seepage, and dissolution reactions. The dynamic stress loading system accurately simulates crack propagation under seismic wave action. This invention integrates non-uniform thermal radiation field, multiphase seepage, and dynamic stress loading into one system, constructing a system capable of simulating the real degradation process of slopes under complex natural environments. It achieves coupled simulation of the three stages of "surface thermal cracking - internal erosion - dynamic response," providing an efficient test platform for slope stability research under complex environments.

This invention belongs to the field of power grid system technology, specifically a method for determining the impact of regional environmental erosion on the lifespan of power grid transmission and distribution facilities. The method includes the following steps: S1: A comprehensive corrosion environment analysis considering the superposition of acid rain, high humidity atmospheric environment, and marine climate environment. This invention is based on multi-dimensional data analysis, including publicly available literature, field experimental data, asset history, scrapping certificates, and statistical data on the geographical and natural environment of the target area. It scientifically calculates and analyzes the lifespan of power transmission and distribution fixed assets, using the actual technical lifespan of power grid equipment as a basis for reference, supplemented by economic life calculations and statistical distribution of actual scrapping years as evidence. Finally, it provides recommendations for the depreciation period of power grid fixed assets in the target area by voltage level and equipment type. This method can accurately determine the depreciation period of power grid facilities in the target area after environmental impact, facilitating safe maintenance of the power grid.

This invention relates to the field of fastener technology and proposes a corrosion-resistant stainless steel bolt and its preparation method. The corrosion-resistant stainless steel bolt is composed of the following raw materials by weight percentage: C≤0.03%, Cr 16.6%~17%, Mn 0.4%~0.6%, Ni 8%~9%, Mo 2%~3%, Si 0.4%~0.5%, P≤0.03%, S≤0.01%, N 0.12%~0.16%, with the balance being Fe and unavoidable impurities, wherein (Cr+Mo+N):Ni = 2.24~2.34:1. The stainless steel bolt of this invention maintains excellent corrosion resistance in harsh corrosive environments such as marine atmospheres, industrial acid rain, and high salt spray.

The utility model discloses voltage transformer wiring terminal's anti -flashover insulating sheath, specifically relates to voltage transformer technical field, including the porcelain tube of the wiring terminal conducting column outside, the outside of porcelain tube is provided with the umbrella skirt, and the both ends of porcelain tube outer wall all are provided with locking mechanism, and the inner wall of porcelain tube is provided with the function cover, and the function cover is composed of first insulating layer, first weather resistance layer and conducting layer, and first insulating layer, first weather resistance layer and conducting layer are sequentially arranged from outside to inside. The utility model discloses through setting up the function cover in the porcelain tube sheath inside, and the function cover is composed of three layers structure, can form the insulating barrier, blocks the current leakage and the whole flexibility is good, adapts the deformation of porcelain tube, reduces the risk of cracking, and can adapt to extreme temperature, avoids the corrosion of acid rain or salt fog, and can even electric field distribution, restrains partial discharge, prevents flashover, and the whole convenient with voltage transformer wiring terminal head on wiring terminal conducting column is connected.

The invention relates to the technical field of heavy metal pollution prediction, in particular to a heavy metal pollution prediction method based on a molecular dynamics model, which comprises the following steps: collecting atomic data of copper tailing geopolymers, heavy metal ion types, initial concentration and environmental condition data, and constructing an influence factor reference data set; based on a molecular dynamics algorithm and an influence factor reference data set, a molecular dynamics model of interaction of the copper tailing geopolymer and the heavy metal ions is constructed, and based on acid rain leaching erosion, dry-wet freeze-thaw cycle and carbonization, dissolution, competitive adsorption and migration behaviors of the heavy metal ions in the copper tailing geopolymer are tested. Parameters of the molecular dynamics model are optimized on the basis of the test result, the currently obtained environmental conditions are input into the optimized molecular dynamics model, the pollution condition prediction result of the heavy metal in the copper tailing geopolymer is obtained, and the problems that in the prior art, the prediction result error is large, and the precision is low are solved.

An acid rain composition detection chip includes one or more processors, and one or more data interfaces, and the processors are configured, through the data interfaces, to read and execute acid rain composition detection instructions stored on a target storage medium, which are configured to: obtain a pH value and an electrical conductivity of a target acid rain sample, and combine with a concentration equilibrium of preset ion species and a thermodynamic model to construct an ion equation system; obtain an approximate solution of the ion equation system; obtain predicted values for the respective ion concentrations; and fuse, based on the pH value and the electrical conductivity, the approximate solution and the predicted values to obtain concentration values of ions in the target acid rain sample. By using the acid rain composition detection chip, it can reduce detection costs, improve detection accuracy and adaptability.

The application discloses a kind of heavy metal pollution sludge multiple harmless reagent and its using method, the proportion of each component in total sludge weight is as follows: reducing agent 0.5%-1%, precipitant 2%-4%, curing agent 2%-4%, protective agent 0.5%-1%; the protective agent is the mixture of sawdust ash, wood ash, sodium borate and grass carbon, wherein the mass ratio of sawdust ash in protective agent is 10%-30%, the mass ratio of wood ash in protective agent is 10%-30%, the mass ratio of sodium borate in protective agent is 30%-50%, and the mass ratio of grass carbon in protective agent is 20%-40%. The application adopts multiple stable curing technology integrating reduction, precipitation, curing and protection, is economic and environmental protection, and uses the mixture of sawdust ash, wood ash, sodium borate and grass carbon as protective agent for final protection, effectively solves the pollution problem of heavy metal sludge in acid rain environment.

The application relates to the field of paint technology and relates to a stone-imitating fluorocarbon paint and a preparation method thereof. The stone-imitating fluorocarbon paint is prepared from the following components in parts by mass: fluorocarbon resin 35-50 parts, nepheline powder 10-20 parts, potassium aluminosilicate 5-15 parts, rutile titanium dioxide 3-8 parts, inorganic color paste 1-5 parts, silane coupling agent 0.5-2 parts, polyamide wax anti-settling agent 0.3-1.5 parts, fumed silica 0.5-2 parts, organic silicon leveling agent 0.1-0.8 parts, modified hydrogenated castor oil 0.2-1 part, aliphatic isocyanate curing agent 5-12 parts and mixed solvent 10-20 parts. The stone-imitating fluorocarbon paint has excellent weather resistance, can effectively resist the influence of environmental factors such as ultraviolet rays, acid rain and temperature change, significantly reduces the occurrence probability of phenomena such as discoloration, powdering and peeling, prolongs the service life of the paint and ensures long-term stable decoration effect.

This utility model discloses a segmented easy-to-apply car wrap, which relates to car wraps. The key technical points are: it includes a base layer, an adhesive layer, and a release layer. The release layer is divided into several release films, with an adhesive strip on the release film near the center, and the adhesive strip is covered by the release strip. This utility model solves the core pain points of large-area car wrap application being prone to wrinkles and cumbersome operation through segmented release films. The self-healing layer is a fluorocarbon self-healing coating, with fluororesin as the main film-forming substance, possessing a certain self-healing ability for scratches. Due to the high electronegativity of the introduced fluorine element and the strong carbon-fluorine bond energy, it has particularly superior properties, including excellent weather resistance, heat resistance, low-temperature resistance, and corrosion resistance. It also has unique non-stick and low-friction properties, thus preventing the car wrap from being corroded by acid rain, insect remains, tar, tree sap, and other stains. The fluorocarbon self-healing coating also has extremely low surface energy, allowing surface dust to be self-cleaned by rainwater, preventing dust and dirt buildup, and providing good stain resistance.

The invention relates to the technical field of protection, in particular to a multifunctional high-insulation wear-resistant coating and application thereof. The coating is prepared from the following raw materials: a modified polyurethane prepolymer, a chain extender containing an acrylic group, an acrylic monomer containing double bonds, a photoinitiator, a wear-resistant filler, a high-insulation filler, a heat-conducting filler, a solvent and an auxiliary agent. The coating provided by the invention can form a compact protective film on the surface of a base material, so that moisture, oxygen, salt and other corrosive substances in air are effectively isolated, and oxidation, rusting and corrosion of a metal conductor are prevented. The paint is especially suitable for coastal, damp and hot, acid rain and other corrosive environments.

The utility model discloses a kind of water retaining structures of aluminium alloy windowsill, including windowsill and aluminium alloy window being installed on windowsill, aluminium alloy water retaining board is equipped with in aluminium alloy window bottom outside face, aluminium alloy water retaining board is equipped with aluminium alloy connecting component in windowsill corresponding, aluminium alloy connecting component bottom and windowsill fixed connection, aluminium alloy connecting component and aluminium alloy water retaining board outer end sealing connection, first cavity is formed between aluminium alloy connecting component and aluminium alloy water retaining board, the gap between aluminium alloy connecting component and windowsill is filled with weather-resistant sealant layer.The utility model aluminium alloy water retaining board and aluminium alloy connecting component are as protective layer, resist ultraviolet, acid rain etc. Through the oxide film on the surface of aluminium alloy, the service cycle is free from pulverization and discoloration, and the impact resistance is outstanding. The surface is free from cracking risk under normal use conditions, and also serves as a waterproof layer. The aluminium alloy connecting component module forms a complete protection system without the need for regular maintenance.