58results about How to "Improved reflective insulation performance" patented technology

The invention relates to a building outer wall heat-insulating coating, in particular to a method for producing hollow microsphere modified fluoro-silicone emulsion and outer wall heat-insulating coating thereof. Hollow microspheres are added into aqueous solution containing vinylsilane coupling agent and uniformly stirred, so that hollow microsphere dispersion with the solid content of 20 percent to 60 percent is produced, and the hollow microsphere dispersion, deionized water, buffer and emulsifier are uniformly mixed and then added with fluorin, silicon acrylate mixed monomer and initiator to carry out reaction, so that the hollow microsphere modified fluoro-silicone emulsion is produced. The hollow microsphere modified fluoro-silicone emulsion is uniformly mixed with bactericide, dispersing agent, wetting agent, cosolvent and defoamer and then added with thickening agent, so that the outer wall heat-insulating coating is produced. The outer wall heat-insulating coating has the advantages of excellent comprehensive performance, outstanding heat-insulating, stain-resistant and weather-resistant properties and convenient construction, and therefore has a broad market prospect.

The invention provides a nanoparticle-modified silicon-acrylic composite exterior wall heat-insulating coating, and its raw materials include the following components in parts by weight: 50-60 parts of silicon-acrylic emulsion, 2-5 parts of hollow glass microspheres, and 8-parts of diatomaceous earth 15 parts, 5-10 parts of nano-silica, 6-10 parts of hollow ceramic microspheres, 3-6 parts of nanometer far-infrared ceramic powder, 5-10 parts of heat-reflecting and heat-insulating powder, 5-10 parts of mica powder, aluminum oxide 2-5 parts of powder, 5-10 parts of titanium dioxide, 0.1-0.3 parts of pH regulator, 0.5-1.0 parts of dispersant, 0.2-0.5 parts of defoamer, 1.0-2.5 parts of coalescent, 0.5-0.5 parts of thickener 0.8 parts, 1-3 parts of antifreeze, 0.1-0.3 parts of leveling agent, 0.1-0.3 parts of preservative, 20-50 parts of deionized water. The invention also provides its preparation method, the coating has good properties of nanoparticles, antibacterial properties, alkali resistance, scrub resistance, stain resistance and aging resistance, reflective heat insulation, environmental protection, aesthetics, outdoor weather resistance , Low thermal conductivity and other advantages.

The invention discloses multifunctional putty for building external walls, consisting of the following components in percentage by weight: 30% of white cement, 16% of sericite, 20% of talcum powder, 30% of quartz sand, 3.5% of re-dispersible polymer powder, 0.1% of defoaming agent, 0.1% of naphthalene-series water reducer, 0.1% of methylcellulose, 0.1% of waterproof agent and 0.1% of wood fiber. According to the invention, the sericite is used as functional padding so that the putty disclosed by the invention has strong weather ability because the sericite has a trough for absorbing ultraviolet lights as high as 85% and has a strong function for shielding ultraviolet lights. Moreover, through the sheet overlapping and blocking function of the sericite because of high radius-thickness ratio, the reflection and thermal-insulation capability can be effectively improved and the heat-insulating performance of the putty is enhanced. The sericite has active hydroxyl groups and is easy to combine and wrap with molecular chains in the re-dispersible polymer powder so that the comprehensive mechanical property and the penetration resistance of the putty are greatly improved.

The invention provides a fluorocarbon elastic waterproof paint for a metal color steel roofing and a preparation method thereof. The paint is prepared from the following raw materials by weight: in terms of 100 parts by mass, 5.0 to 20.0 parts of water, 0.5 to 1.5 parts of a dispersant, 0.1 to 0.5 part of a wetting agent, 0.1 to 0.8 part of an antifoaming agent, 0.1 to 0.3 part of an antiseptic, 0.1 to 0.8 part of a mildew inhibitor, 0.05 to 0.15 part of a pH value conditioning agent, 0.1 to 0.8 part of a thickening agent, 0.5 to 2.0 parts of a coupling agent, 0.5 to 1.5 parts of a silane cross-linking type adhesion promoter, 30.0 to 60.0 parts of an elemental fluorine-modified elastic acrylic acid emulsion, 10.0 to 30.0 parts of a filling material and 5.0 to 30.0 parts of a reflective heat-insulation material. The waterproof paint provided by the invention has long-lasting weatherability, excellent stain resistance and good reflective heat insulation effect and adhesion, and can be independently used as a waterproof paint for the metal color steel roofing.

The invention discloses an organic / inorganic composite heat insulation coating and a preparation method thereof and belongs to the technical field of chemical coatings. The coating includes, by weight, 18-42% of sodium silicate, 10-25% of an acrylic emulsion, 8-25% of hollow glass microbeads, and 5-20% of zinc oxide. The coating is improved in adhesion force, alkaline resistance, pollution resistance and flame-retarding property, and also improves the water resistance, elasticity and glossiness of a coating film. The sodium silicate is low in cost and has abundant sources, so that cost of thecoating is effectively reduced.

The invention provides titanium dioxide composite filler, a preparation method thereof and a reflective heat insulation coating, and belongs to the technical field of coatings. According to the invention, activation and modification are carried out on hollow glass microspheres, so that activity of surfaces of the hollow glass microspheres is effectively improved, compact deposition of titanium dioxide crystals on the surfaces of the microspheres is ensured, and the titanium dioxide film coating rate and coating uniformity on the surfaces of the glass microspheres are improved. The concentration of a titanium tetrachloride ethanol solution is controlled, and the addition speed and stirring speed of the titanium tetrachloride ethanol solution are controlled, so that titanium dioxide crystalswith different particle diameters are formed, and emissivity of the coated microspheres to sunlight is greatly improved. Reflective heat insulation performance of the reflective heat insulation coating prepared by the titanium dioxide composite filler is remarkably improved, hemispherical emissivity, sunlight reflection ratio and near-infrared emissivity all exceed 90%, and excellent comprehensive performance such as adhesive force, flexibility, acid resistance, alkali resistance and the like are achieved.

The invention discloses reflective heat insulation stone-like paint and a preparation method thereof, and belongs to the technical field of paint production. The stone-like paint comprises deionized water, cellulose, organic bentonite, a multifunctional auxiliary agent, a silicone-acrylic emulsion, a dispersing agent, an antifreeze agent, a film-forming aid, a defoamer, a preservative, a thickener, natural colored sand, modified artificial sand and hollow glass microbeads and / or glass fiber cotton, wherein white-series color sand accounts for 30-40% of the weight of the natural colored sand ofdifferent particle size. The prepared reflective heat insulation stone-like paint is applied to decoration and protection of building outer walls, and through adjustment of the natural colored sand and matching of the modified artificial sand and hollow glass microbeads and / or glass fiber cotton, a coating obtained after the stone-like paint is cured has good effects of reflection and heat insulation.

The invention relates to a reflective and heat-isolation coating and a preparation method thereof. The reflective and heat-isolation coating is characterized by being prepared from the following raw materials in parts by weight: 40 to 60 parts of macromolecular emulsion, 4 to 8 parts of composite hollow microspheres, 10 to 20 parts of rutile type titanium dioxide, 1 to 3 parts of flame-retardant agent, 0.5 to 2 parts of filming additive, 0.1 to 0.5 part of wetting agent, 0.1 to 0.5 part of dispersant, 0.1 to 0.5 part of preservative, 0.05 to 0.2 part of defoaming agent, 0.01 to 0.2 part of thickening agent, and 10 to 20 parts of deionized water, wherein the macromolecular emulsion is a mixed solution of acrylate emulsion and polyurethane emulsion; the composite hollow microspheres comprise hollow glass microspheres, hollow ceramic microspheres, and fly ash hollow microspheres. The reflective and heat-isolation coating has the advantages that the components are scientifically compounded, the usage amount of the coating is small, the use cost is low, the reflective and heat-isolation effects of the coating thin layer are good, the construction is rapid, the anti-cracking property, anti-dirt property and weather-resistant property are good, and the certain flame-retardant function is realized.

The invention provides a reflecting heat-insulating coating and a preparation method thereof. The reflecting heat-insulating coating is characterized by comprising a base coating and an imaging layer;the base coating is a continuous coating formed by subjecting reflecting heat-insulating paint including hollow glass beads and hollow polymer beads to drying or curing and filming; the imaging layercomposed of hollow glass beads partially embedded in the top of the base coating and subjected to surface modification, and forms obvious raised point structures. Overall coating reflecting ratio isincreased such that surface heat resistance of the coating is improved, and the effects such as heat transfer between the surface of the coating and air are enhanced; cooling effect of the coating obtained is improved.

The invention provides a high-gloss high-adhesion heat insulation coating for an outdoor steel structure. The high-gloss high-adhesion heat insulation coating for the outdoor steel structure is prepared from the following raw material components in parts by weight: 40 to 60 parts of waterborne acrylic emulsion, 5 to 8 parts of hollow glass bead, 8 to 12 parts of nanometer titania, 1 to 3 parts ofa silane coupling agent, 0.1 to 0.3 part of an antiseptic antimildew agent, 0.1 to 0.3 part of a wetting agent, 0.3 to 0.8 part of a dispersing agent, 0.1 to 0.3 part of an anti-flash rust agent, 0.1to 0.3 part of a defoaming agent, 3.0 to 5.5 parts of a coalescing agent, 0.1 to 0.3 part of a thickening agent, 1 to 3 parts of a flatting agent, and 20 to 30 parts of deionized water.

The invention provides aggregates for coatings, coatings as well as a preparation method and application thereof. The aggregates are prepared from sand grains and reflective heat insulation pigments.The coatings are prepared from 65 percent to 75 percent of aggregates, 12 percent to 20 percent of emulsion and 100 percent of water. The coatings are used for external-wall decoration or internal-wall decoration. The aggregates provided by the invention have excellent heat insulation performance, and the aggregates with varied colors can be customized, the colors are bright and the color difference is small. The coatings have the advantages of excellent color retention property, reflective heat insulation performance and adhesive force, and the preparation method of the coatings are simple, green and environment-friendly.

The invention discloses an environmentally friendly nanometer reflective thermal insulation coating. The environmentally friendly nanometer reflective thermal insulation coating comprises, by weight,30-40 parts of a smell-removal emulsion, 30-40 parts of a pure acrylic emulsion, 15-25 parts of potassium titanate whisker slurry, 6-8 parts of ceramic microbeads, 2-5 parts of nanometer titanium dioxide, 0.2-0.6 parts of a dispersant, 5-9 parts of a filler, 0.3-0.7 parts of an antifoaming agent, 10-14 parts of alumina powder and 0.4-0.8 parts of an antibacterial agent. The environmentally friendly nanometer reflective thermal insulation coating has effects of environmental protection, mildew resistance and bacterial inhibition, outstanding reflective and thermal insulation properties, film strength and elongation, has strong function durability, short film drying time and good hardness, and has good elongation performances and heat resistance. The coating film can prevent mildew for a long time. The antibacterial formaldehyde-removing coating is non-toxic and environmentally friendly and can high effectively purify formaldehyde.

Provided are silicon coated nano-titanium dioxide and a preparation method thereof and a reflective heat-insulation coating. According to the silicon coated nano-titanium dioxide, silicon oxide hydrates are bonded to the surfaces of titanium dioxide nanoparticles in a hydroxyl mode, a layer of silicon oxide surface solid film is formed on the surfaces of the titanium dioxide nanoparticles, silicon oxide is not prone to being subjected to chemical erosion, and good dispersity is achieved. The silicon coated nano-titanium dioxide can be prepared through the preparation method, the reflective heat-insulation coating contains the silicon coated nano-titanium dioxide, the formed coating is stable in performance, even in sunlight reflection, most of sun heat can be reflected, and an excellent reflective heat-insulation effect is achieved.

The invention relates to an external wall fireproof reflective heat-insulation inorganic coating material, which comprises a base material, a filler, an auxiliary agent and water, wherein the base material comprises, by weight, 15-20 parts of lithium silicate, 15-20 parts of nano long hydrocarbonyl silane modified silica sol, 4-6 parts of nano hydroxyl magnesium silicate and 2-5 parts of an aluminum dihydrogen phosphate aqueous solution, and the filler is prepared from the following components in parts by weight: 20 to 25 parts of IR-1000 near-infrared reflective titanium dioxide, 10 to 15 parts of wollastonite powder, 10 to 15 parts of talcum powder and 1 to 5 parts of nano titanium dioxide. The invention also discloses a preparation method of the external wall fireproof reflective heat-insulation inorganic coating material. The coating material has the advantages of being free of VOC, not prone to combustion, good in high temperature resistance, capable of achieving reflective heat-insulation, not prone to corrosion and resistant to mould.

The invention relates to the field of paints, in particular to a reflecting thermal-insulation paint, which comprises the following components in percentage by weight: 40 to 60% of fluorocarbon resin, 0.2 to 1.5% of fumed silica, 8 to 16% of aid, 15 to 30% of pigment, 6 to 20% of hollow glass microspheres, and 5 to 15% of solvent. The reflecting thermal-insulation paint disclosed by the invention is easy to prepare and use in construction, high in weather resistance and stain resistance, high in film density, small in dry film thickness and good in thermal-insulation effect, the solar light reflection rate and hemispherical reflection rate of the paint can keep stable for a long time together with reflecting and thermal-insulation performance. The paint can prevent heat from being transmitted to the interior of a vehicle, which not only saves energy, but also reduces the temperature of the interior and increases the comfort of the vehicle.

Reflecting heat-insulating water-in-water multicolor coating and a preparation method thereof are provided; the reflecting heat-insulating water-in-water multicolor coating comprises a basic paint and a continuous phase; the basic paint comprises a filling material, and the continuous phase comprises, by weight, 5-15 parts of modified organic bentonite, 20-25 parts of nano TiO2, and 70-95 parts of polymer resin; the mass ratio of the filling material to the modified organic bentonite is 1:(0.1-1). By mixing the continuous phase and basic paint in a preset ratio, the spatial structure of the water-in-water multicolor coating is improved, and light-reflecting ability and heat-insulating capacity of the water-in-water multicolor coating are improved.

The invention provides environment-friendly thermal insulation paint and a preparation method of the thermal insulation paint. The environment-friendly thermal insulation paint is prepared by preparing a third mixture from water-base polyurethane emulsion, water-base fluorocarbon emulsion resin, styrene-acrylate copolymerization emulsion, bisphenol A polycarbonate and a second mixture (prepared from a nanomaterial, hydroxy acrylic resin modified by cyclohexyl methacrylate and the like), and then pouring the third mixture into a first mixture (prepared from a dispersing agent and the like) prepared in advance. The thermal insulation paint has a low volatile organic compound (VOC) content, meets environmental standards (much higher than a national standard) and further has excellent reflective thermal insulation performance.

The invention provides a nano-titania and styrene-acrylic emulsion composite thermal insulation coating. The composite thermal insulation coating comprises raw materials in parts by weight as follows:50-60 parts of styrene-acrylic emulsion, 10-20 parts of active xonotlite slurry, 5-8 parts of hollow glass beads, 3-5 parts of nano-titania, 5-10 parts of diatomite, 8-12 parts of titanium dioxide, 8-12 parts of heat reflection thermal insulation powder, 3-6 parts of mica powder, 3-6 parts of alumina powder, 0.5-0.8 parts of a mildew preventive, 0.4-0.8 parts of a wetting agent, 0.9-1.5 parts ofa dispersing agent, 0.1-0.3 parts of a humectant, 0.3-0.8 parts of a defoamer, 1.0-2.5 parts of a coalescing agent, 0.5-0.8 parts of a thickener, 1-3 parts of a leveling agent and 20-50 parts of deionized water.

The invention relates to a heat-insulation coating. The heat-insulation coating comprises: by mass, 15 to 55% of a resin prepolymer, 5 to 45% of an active monomer, 0.2 to 6% of a photoinitiator, 1 to 15% of a delustering agent, 1 to 15% of a feeling agent, 2 to 10% of one or more solvents, 1 to 5% of a curing agent, 1 to 5% of a pigment, 2 to 5% of a heat-insulation material, 1 to 10% of one or more filling materials, and 1 to 5% of one or more auxiliary agents, wherein the heat-insulation material is composed of hollow glass beads or ceramic beads. The heat-insulation coating has low glossiness, good rub resistance and good heat insulation.

The invention discloses a water-based multicolor reflecting thermal insulating stone-like coating. The water-based multicolor reflecting thermal insulating stone-like coating is prepared from the following components in parts by weight: 25-35 parts of acrylic resin, 5-10 parts of reflecting pigment, 2-8 parts of zinc oxide, 15-25 parts of reflecting thermal insulating powder, 10-20 parts of ceramic microbead, 2-7 parts of a coalescing agent, 1-6 parts of a dispersing agent, 3-12 parts of a defoamer, 2-6 parts of a pH regulator, 1-8 parts of a thickening agent and 20-30 parts of deionized water. The water-based multicolor reflecting thermal insulating stone-like coating is good in reflecting thermal insulating effect; due to the high-efficiency reflecting thermal insulating effect, the adsorption of a wall to heat energy is reduced so that the indoor temperature can be reduced, the energy consumption of an air conditioner can be decreased and energy conservation can be realized. The water-based multicolor reflecting thermal insulating stone-like coating is good in appearance decoration effect, colorful, environment-friendly and non-toxic, and suitable for the fields of exterior wall decoration of buildings such as houses, hospitals and hotels.

The invention discloses reflective insulation nano-modified quartz sand which comprises, in weight percentage, 5%-35% of butyl titanate, 20%-75% of solvents, 1%-8% of chelating agents, 0.2%-5% of pH (potential of hydrogen) regulators, 0.2%-5% of water and 15%-70% of quartz sand. The preparation method includes the steps: firstly, adding the butyl titanate into the solvents, stirring the butyl titanate, sufficiently dissolving the butyl titanate, dripping the chelating agents and stirring the chelating agents to obtain solution A; secondly adding the pH regulators and the water into the solvents and stirring the pH regulators and the water to obtain solution B; thirdly, dripping the solution B into the solution A, continuing stirring, and performing standing and aging after stirring to obtain sol C; fourthly, adding the quartz sand into the sol C, stirring the quartz sand, sufficiently wetting the quartz sand, drying the quartz sand after standing and filtering, calcining the quartz sand at high temperature and annealing and cooling the quartz sand to obtain final products. The reflective insulation nano-modified quartz sand has the advantages that the reflective insulation nano-modified quartz sand can be applied to really stone paint, and reflective insulation performance is enhanced while coating sand texture cannot be affected.

The invention relates to the field of coatings and specifically relates to a heat-insulating anticorrosion bi-component coating for an outer wall of an oil tank and a preparation method thereof. The heat-insulating anticorrosion bi-component coating comprises a component A and a component B; the component A comprises the following raw materials in parts by weight: 50-60 parts of acrylic resin, 15.0-20.0 parts of titanium dioxide, 3.0-5.0 parts of thermal reflection powder, 5.0-8.0 parts of quartz sand, 0.3-0.5 part of surface active agent, 1.5-3.0 parts of dispersing agent, 0.1-0.5 part of anti-settling agent, 0.5-1.0 part of de-foaming agent and the balance of water; the component B comprises the following raw materials in parts by weight: 70-75 parts of biuret and 0.1-2.0 parts of auxiliaries. The coating can achieve ultrahigh reflectivity, is capable of excellently reflecting solar radiation and achieving heat-insulating and cooling effects and has excellent coating hardness, abrasion resistance, alkali resistance and water resistance.

The invention discloses a preparation method of a reflection type acrylic acid outer wall emulsion, belongs to the technical field of outer wall emulsion and preparation thereof, and aims to solve theproblems that in the prior art, during the outer wall emulsion preparation process, inorganic components such as titanium dioxide are added, and the storage stability is bad. The acrylic acid outer wall emulsion is prepared by the following steps: adding a UV crosslinking agent during the outer wall emulsion synthesis process, adjusting the pH to 7-8, adding hollow emulsion and a silane couplingagent, evenly stirring, and filtering. The prepared acrylic acid outer wall emulsion has a good reflection and thermal insulation performance, the preparation does not need any titanium dioxide, and the reflection and thermal insulation effect of provided emulsion is the same as that of a titanium dioxide containing paint. The invention also provides a reflection type acrylic acid outer wall emulsion.

The invention discloses a reflective thermal-insulation coating used for an external wall, and relates to the technical field of coatings. The technical solution key point is as follows: the reflective thermal-insulation coating used for the external wall comprises the following components, in parts by weight: 150-200 parts of water, 6-12 parts of a dispersant, 10-20 parts of an auxiliary agent, 10-15 parts of ethylene glycol, 200-250 parts of titanium dioxide, 50-100 parts of heavy calcium carbonate, 30-50 parts of wollastonite powder, 300-400 parts of a styrene-acrylic emulsion, 20-30 partsof modified microbeads, and 1-2 parts of a pH regulating agent, wherein each modified microbead comprises a ceramic microbead and a polyurethane layer wrapping the surface of the ceramic microbead. The coating provided by the invention has the advantages of good dispersibility and uniform reflection and heat insulation.

The invention discloses an oil storage tank thermal insulation coating which comprises a thermal insulation intermediate layer and thermal insulation finish, and is characterized in that hollow microspheres with different meshes are selected in the thermal insulation intermediate layer and thermal insulation finish and are respectively matched with body fillers of different particle sizes so as to form a hollow isolating layer to reflect infrared radiation in sunshine; the hollow microsphere comprises the main components of SiO2 and Al2O3 and is in a shape of a standard sphere. According to the coating, infrared radiation (mainly a heat source) in sunshine or the absorbed heat energy is radiated to the outer space through pigment and filler particles in the coatings, so that the surface temperature of the coated object is reduced, and a thermal insulation effect is achieved. The coating has the heat reflectivity of more than or equal to 85 percent, and the heat conductivity coefficient is less than or equal to 0.076k / m*k. The oil storage tank thermal insulation coating is suitable for thermal insulation protection of the surfaces of oil pipelines, storage tanks and roofs.

The invention discloses a composition of a reflecting thermal insulating coating and a production method of the composition. The composition is prepared from the following components in parts by weight: 25-35 parts of elastic emulsion, 15-25 parts of organic silicon emulsion, 5-13 parts of polyacrylamide, 2-9 parts of titanium dioxide, 5-18 parts of cenosphere, 1-6 parts of a coalescing agent, 2-7 parts of a defoamer, 3-9 parts of a pH regulator, 4-12 parts of a thickening agent, 2-10 parts of a flatting agent and 30-40 parts of deionized water. The prepared composition of the reflecting thermal insulating coating is high in solar light reflection rate and coating emissivity, good in reflecting thermal insulating effect, good in coating weather fastness, and long in service life. The production method is simple and suitable for industrial production; the energy consumption and the cost are reduced.

The invention relates to the field of coating and in particular relates to reflection and heat-insulation finish paint for an external wall and a preparation method thereof. The reflection and heat-insulation finish paint is prepared from the following raw materials: 80 to 120 parts of a pure acrylic emulsion, 20 to 40 parts of heat reflection powder, 40 to 60 parts of titanium dioxide, 20 to 25 parts of mica powder, 3 to 8 parts of barium sulfate, 1 to 5 parts of silicon dioxide, 4 to 8 parts of propylene glycol, 4 to 8 parts of a film-forming auxiliary agent, 0.3 to 0.5 part of a defoaming agent, 2 to 4 parts of a thickening agent, 2 to 3 parts of a dispersant and 0.4 to 0.6 part of a wetting agent. According to the reflection and heat-insulation finish paint for the external wall, the added titanium dioxide, mica powder and silicon dioxide have excellent ultraviolet ray shielding performance, infrared ray shielding performance and the like; the auxiliary heat reflection powder is added so that the coating has very high reflectivity; the coating can reflect solar radiation very well, and also has heat-insulation and cooling effects; the coating provided by the invention also hasgood performance including weather resistance, attachment force, freezing resistance and the like.

The invention relates to the technical field of stone-like paint, and discloses reflective insulation elastic stone-like paint and a preparation method thereof. The stone-like paint comprises the following raw materials in parts by weight: 120-135 parts of deionized water, 2-4 parts of hydrophobic cellulose, 1-3 parts of dispersing agent, 0.2-1.2 parts of a de-foaming agent, 0.1-0.6 part of a wetting agent, 1-2 parts of AMP-95, 10-15 parts of a coalescing agent, 1-3 parts of preservative, 50-60 parts of reflective insulation pigment, 65-70 parts of nanometer hollow ceramic microspheres, 48-56parts of pure acrylic emulsion, 48-56 parts of pure acrylic elastic emulsion, 100-110 parts of natural marble macadam, 510-520 parts of natural mica sheets and 3-6 parts of an alkali swelling thickening agent. The stone-like paint has the advantages of vivid stone-like effect, excellent aging resistance, favorable cracking resistance, high adhesive force, water resistance, air permeability and obvious reflective heat-insulating property, and is especially suitable for regions with strong high-temperature sunlight.

The invention provides a thermal insulation coating composition as well as a preparation method and application thereof. The thermal insulation coating composition with uniform and stable components is prepared from a styrene-acrylic emulsion, thermal insulation powder, pigments, fillers and other functional components and has the advantages that the components are stable, the coating and distribution of the functional components are uniform, the thermal insulation performance is good, and the like. The thermal insulation coating composition is further used for preparing a thermal insulation layer for metal roofs, building wall bodies and the like. Meanwhile, by mixing the raw materials components to prepare the coating composition, the preparation method is convenient and rapid, and a prepared coating has good thermal insulation performance and the like.