77results about How to "High solar reflectance" patented technology

The invention discloses a colored solar heat reflection and heat-insulation coating. The coating is prepared from the following raw materials: polymer emulsion, titanium dioxide, functional fillers, an infrared reflection pigment, kaolin, ground calcium carbonate, a dispersing agent, a wetting agent, a defoaming agent, a thickening agent, a film-forming additive, a preservative, and water. The colored solar heat reflection and heat-insulation coating provided by the invention has the advantages that a coating film with a high reflectivity is prepared through adoption of the components, addition of the functional fillers (glass microbeads, ceramic microbeads and floating beads) which are large in refraction coefficient and high in scattering capability and reflectivity, as well as the pigment which is large in infrared reflection ratio, and application of film-forming matters and the film-forming additive, so that the coating achieves good heat-insulation performance, multiple selectable colors, excellent elasticity, high stain resistance, as well as large solar and near-infrared reflection ratios.

The invention discloses an integrated back board for high-reflectivity solar cells. The integrated back board is characterized by comprising a barrier layer installed on the back face of a substrate and bonded to the back face of the substrate through a first bonding layer, a high-reflectivity layer installed on the front face of the substrate and bonded to the front face of the substrate through a bonding layer, and a protective layer installed on the high-reflectivity layer. Through the integrated structure, the production efficiency of the module can be improved. Because the materials are adopted for the back face of the substrate and high-reflectivity additives are added into the high-reflectivity layer on the front face of the substrate, the sunlight reflectivity of the back board is further improved, and then the electricity generating efficiency of the module is improved. Compared with a traditional method in which light reflecting filler is added to an eva adhesive film, the problem that the cells are polluted due to white filler migration which happens after eva modification is directly avoided.

The invention relates to an intelligent temperature regulating type heat reflection heat insulation coating and a preparation method thereof. The coating is made from raw materials in parts by weight: 200-300 parts of acrylic emulsion, 150-250 parts of high reflection type phase change microcapsules, 30-80 parts of high radiation type nano-metal and metal oxide, 100-150 parts of packing with heat insulation function, 2-5 parts of a wetting dispersant, 1-3 parts of a mould inhibitor, 5-10 parts of a thickener, 4-8 parts of a defoaming agent, 15-25 parts of a film forming additive, and 100-150 parts of water. The intelligent temperature regulating type heat reflection heat insulation coating provided by the invention is excellent in performance, safe and environment-friendly, and has high reflectivity and emissivity. By utilizing the reversible energy storage and release effect of the phase change microcapsules, the temperature of the inner side and the surface of an object can be effectively and automatically regulated along with the change of external temperature so that the temperature tends to be stable so as to avoid the radical change of the temperature of the inner side and the surface of the object caused by sudden rising or dropping of the external temperature.

The invention relates to a compound-type metal roof thermal-insulation waterproof coating and a preparing method thereof. The compound-type metal roof thermal-insulation waterproof coating is composed of a surface layer coating and a base layer coating. The surface layer coating is prepared from water, dispersing agents, antifoaming agents, pigment, hollow glass beads, inorganic-thixotropy thickening agents, inorganic filler, silicone-modification acrylic emulsion, acrylic emulsion, film forming assistants, pH value regulation agents, thickening agents and antifreeze agents; the base layer coating is prepared from water, dispersing agents, antifoaming agents, pigment, heat-conducting functional filler, inorganic-thixotropy thickening agents, inorganic filler, acrylic emulsion, pH value regulation agents, thickening agents and antifreeze agents. Compared with the prior art, the problems that bonding of a present waterproof material and a metal base material is not firm, aging is prone to occurrence and the service life is limited are solved, and the compound-type metal roof thermal-insulation waterproof coating has the advantage of integrating water proofing, protection, rust protection and thermal insulation.

The present invention relates to a coating material with characteristics of efficiency, energy saving, heat shield, cooling and corrosion resistance, wherein the coating material is a three-layer composite material formed from a corrosion resistance bottom layer, a thermal insulation middle layer and a heat radiating surface layer, the corrosion resistance bottom layer is epoxy zinc-rich paint, the thermal insulation middle layer comprises a three-component coating material and a curing agent according to a weight ratio of 35-50:1, and the heat radiating surface layer is a composite surface layer adopting a polyurethane resin as a film forming substance. Compared with the coating material in the prior art, the coating material of the present invention integrates advantages of corrosion resistance, thermal barrier, heat reflection, and heat radiation.

The invention belongs to a heat preserving waterproof paint for structures such as exterior wall of building, thin roofing, and metal tank housing and so on and fabricating method thereof. Raw material prescription of the heat preserving waterproof paint of the invention based on weight is: 10 parts to 90 parts of water, 10 parts to 90 parts of elastic polyacrylic emulsion, 10 parts to 50 parts of filler, 1 part to 10 parts of propylene glycol, 1 part to 10 parts of thickener, 1 part to 10 parts of rutile type titanium dioxide, 1 part to 3 parts of water- and stain-proofing agent of exterior wall. The paint of the invention is great in heat preservation, waterproofing property, self-cleaning property, filling property, radioresistance and sun protection and has long service life.

The invention discloses a radiation cooling coating as well as a preparation method and application thereof. The method comprises the following steps: adding 15-30 parts by weight of polymer film-forming resin, 30-60 parts by weight of an ultraviolet reflective material and 1-5 parts by weight of an auxiliary agent into 60-100 parts by weight of a mixed solvent, performing dispersion uniform mixing, and performing filtration by using a filter screen to obtain the radiation cooling coating. The radiation cooling coating coats a substrate according to a thickness of 200-1500 [mu]m, the coating layer formed after drying contains micropores with a volume fraction of 0.05-0.5, the micropores and the ultraviolet reflective material synergistically generate solar reflectance of 0.92-0.96, so thatthe coating has a radiation cooling function. The radiation cooling coating provided by the invention has a simple process and low costs, is suitable for different shapes and planes, and suitable forplaces such as residential buildings, commercial buildings and industrial plants, and has broad application prospects.

The invention provides a composite energy-saving coating material, which is made of multiple microporous silicate mineral raw materials after surface hydrophobic treatment and reflective fillers. The composite energy-saving coating material enhances the weather resistance and water resistance of a coating, avoids the excessive change of a coefficient of heat conductivity, combines two favorable performances of reflection and heat insulation, integrates two roles of the reflection and obstruction at a suit, has high sunlight reflectivity and good heat insulating effect, avoids repeated multilayer painting operation of an insulation surface and the like, can be formed at a time through painting, and has the advantages of stable performance, uniform coating, low cost, environmental-friendliness and the like. A preparation method is simple in technology and low in cost, saves energy and facilitates industrial popularization and application.

The invention relates to a multifunctional scrapping type single-component thermal insulation coating, a multifunctional scrapping type bi-component thermal insulation coating and preparing methods of the multifunctional scrapping type single-component thermal insulation coating and the multifunctional scrapping type bi-component thermal insulation coating. The multifunctional scrapping type single-component thermal insulation coating is formed by main paint. The main paint is prepared from, by weight, 2-3% of anti-freezing agent, 1-1.5% of dispersing agent, 1-2% of wetting agent, 0.15-0.2% of pH regulator, 0.3-0.6% of defoaming agent, 30-35% of emulsion, 25-35% of thermal insulation material, 0.4-0.8% of lignocellulose, 0.2-0.5% of mildew preventive, 0.3-0.6% of antibacterial agent, 0.15-0.3% of preservative and 1-3% of film-forming additive, the balance being water. The multifunctional scrapping type bi-component thermal insulation coating is formed by mixing main paint and white cement according to the weight ratio of 8-12:1. The multifunctional scrapping type single-component thermal insulation coating and the multifunctional scrapping type bi-component thermal insulation coating which are prepared with the methods are extremely low in heat conductivity coefficient, high in solar emissivity, good in thermal insulation function, free of cracking in impasto and capable of bringing a strong sense of decoration.

The invention relates to a preparing method of heat preservation paint with waterproof and antifouling performance. The heat preservation paint comprises aggregate, a base material, auxiliary filler and an auxiliary and is characterized in that hollow glass microspheres serve as the aggregate, the base material is silicone-acrylic emulsion, and the heat preservation paint composition comprises, by weight, 16-18 parts of hollow glass microspheres and 21-27 parts of silicone-acrylic emulsion. As the silicone-acrylic emulsion is selected, while having excellent heat preservation performance, the heat preservation paint has good waterproof and antifouling performance, and particularly fluorine-containing silicone-acrylic emulsion is selected, so that the waterproof and antifouling performance of the heat preservation paint is more excellent.

The invention discloses a white packaging film for a double-glazed photovoltaic module. The white packaging film comprises, by weight, 45-65 parts of ethylene-vinyl acetate, 25-50 parts of ethylene propylene rubber, 1-7 parts of white pigment and 0.5-10 parts of aids, wherein the ethylene-vinyl acetate comprises, by weight, 14-33% of vinyl acetate and 15-55% of ethylene propylene rubber; and the ethylene propylene rubber has a density of 0.80-0.91g/cm<3> and Mooney viscosity of 20-40. The dedicated white EVA film for the double-glazed photovoltaic module has high reflection rate, tenacity, volume resistivity and impact resistance, and the double-glazed photovoltaic module made of the film does not cause starved joints, bubbles or the like.

The present invention relates to a thermal insulation reflective stone-like coating, which is made from the following components by weight: water, non-ionic water-soluble cellulose ethers, a water-based multi-functional additive, a dispersant, a wetting agent, titanium dioxide powder, glass beads, ceramic beads, a organosilicon-modified acrylate emulsion, a coalescent, a cosolvent, a defoamer, an antiseptic, a rheological additive and artificial sintering sand. The invention overcomes the disadvantage of safety hidden trouble caused by large dead load of the coating in the matching operation of insulation system and a stone-like coating of the prior art. The thermal insulation reflective stone-like coating has the advantages of simple operation, light weight, and good heat reflection properties and film properties.

The invention provides a preparation method of a single-layer double-sided asymmetric porous radiation cooling film. A cellulose acetate porous polymer substrate material with a micron-scale hole structure is obtained by adopting a non-solvent induced phase separation method; meanwhile, spectrum-adjusted micron oxide particles are directionally enriched on a single surface of the cellulose acetateporous polymer substrate material by adopting a gravity self-deposition method, so that the single-layer double-surface asymmetric porous radiation cooling film is prepared. The invention also provides the single-layer double-sided asymmetric porous radiation cooling film and application thereof. The single-layer double-sided asymmetric porous radiation cooling film has the advantages of higher sunlight reflectivity and intermediate infrared radiance, simple preparation process and the like, is suitable for large-scale low-cost manufacturing, and can be independently self-supported.

The invention discloses an environment-friendly anticorrosion and temperature-reduction integrated paint for a storage tank and a preparation method of the paint. The environment-friendly anticorrosion and temperature-reduction integrated paint consists of anticorrosion primer, heat-insulation interlayer paint and temperature-reduction surface layer paint. The anticorrosion primer is prepared by taking acrylic emulsion as a filming base material, iron-titanium powder as an antirust pigment filler and calcium carbonate powder, precipitated barium sulphate powder and talcum powder as body fillers, and supplementing auxiliaries and water. The heat-insulation interlayer paint is prepared by taking acrylic emulsion as a filming base material and hollow glass beads as a heat-insulation filler and supplementing auxiliaries and water. The temperature-reduction surface layer paint is prepared by taking acrylic emulsion as a filming base material and titanium dioxide powder, talcum powder, silicon dioxide, hollow glass beads and far infrared ceramic powder as temperature-reduction pigment fillers and supplementing auxiliaries and water. The environment-friendly anticorrosion and temperature-reduction integrated paint can form a film at normal temperature, is friendly to environment, plays a remarkable protection role to the storage tank due to high anticorrosion and temperature-reduction properties, and can be widely used for various storage tanks of oil gas and chemical materials.

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 discloses an inorganic cooling coating and a preparation method thereof. The coating is prepared from the following raw materials in parts by weight: 40-70 parts of magnesium oxide; 5-20parts of an additive; 0-30 parts of a filler; 0-5 parts of pigment; 0-5 parts of a modifier; and 30-80 parts of deionized water. The preparation method comprises the following steps: adding the filler, the pigment, the modifier and the magnesium oxide into the deionized water, mixing the components, adding the additive, continuously mixing the components, and forming the inorganic cooling coatingon the surfaces of cement, wood, stone and the like through spraying, brush coating or roller coating. The inorganic heat reflecting material takes magnesium oxide as a cementing material, which forms strong light scattering and infrared radiation together with functional filler. The inorganic heat reflection material is wide in raw material source, high in cost performance and simple in preparation process, has the sunlight reflectivity as high as 96% and the hemispherical emissivity as high as 0.94, and can be used for heat insulation and cooling of occasions such as buildings and industries.

The invention discloses an elastic, reflective and heat-insulation coating and a preparation method thereof. The elastic building coating comprises, by mass, 20-40% of a pure acrylic elastic resin emulsion, 20-30% of a silicone resin emulsion, 6-15% of hollow polymer particles, 5-15% of a reflective raw material, 12-25% of a leadless pigment, 0.1-0.5% of a polymeric dispersant, 0.1-0.5% of an antifoaming agent, 0.1-0.3% of a wetting agent, 0.2-0.5% of a leveling agent, 0.1-0.3% of an ultraviolet light absorption stabilizer, 0.1-0.2% of a mildew inhibition antiseptic, 0.5-2.5% of a film forming assistant, and 5-25% of deionized water. The elastic, reflective and heat-insulation coating adopting the pure acrylic elastic resin emulsion and the elastic silicone resin emulsion can realize paint film elasticity and fine crack coverage, and makes the contamination resistance of the paint film be better than that of paint films formed by traditional elastic coatings and traditional heat insulation and reflection coatings.

The invention discloses zinc oxide nanosheet coated hollow glass bead photocatalytic reflection composite pigment and a synthetic method thereof. The synthetic method is characterized by firstly pretreating hollow glass beads in an alkaline solution for standby use; respectively dissolving zinc nitrate and an alkaline compound in organic solvents, thus respectively obtaining a solution A and a solution B; adding the pretreated hollow glass beads in to a mixed solution prepared from the solution A and the solution B, continuously stirring, and roasting after filtering and drying, thus obtaining a hollow glass bead-loaded zinc oxide seed sample; adding the roasted sample into a growth solution prepared from the zinc nitrate, the alkaline compound and distilled water through mixing, and filtering and drying after stirring. A product provided by the invention not only has the properties of light weight, heat insulation and the like of the hollow glass beads, but also has the properties of photo-reflection and photo-catalysis of zinc oxide; the near infrared reflection rate of the product under a room temperature is higher than 90 percent, and the degradation rate of the product on Rhodamine B within 3 hours under the condition of 25 DEG C is higher than 90 percent; the product can be applied to the field of reflective thermal insulation coating and environment protection.

The invention provides a water-based reflective thermal insulation coating and a preparation method and application thereof. The water-based reflective thermal insulation coating is prepared from, byweight, 30-45 parts of fluorosilicone emulsion, 20-35 parts of silicone acrylic emulsion, 9-18 parts of filler, 15-25 parts of nano titanium dioxide, 0.2-3 part of water-based floating aluminum paste,0.2-3 part of water-based non-floating aluminum paste, 0.9-4.5 part of coalescing agent, and 0.1-0.8 part of a bacteriostatic agent.

The invention discloses a hydrophilic radiation cooling coating, and a preparation method and application thereof. The hydrophilic radiation cooling coating is prepared from, by weight, 15-30 parts ofalkali metal silicate, 5-10 parts of a hydrophilic silicon material, 20-40 parts of a sunlight reflecting material, 20-40 parts of an infrared radiation material, 3-5 parts of auxiliaries and 60-100parts of deionized water through high-speed dispersion and uniform mixing and filtering using a filter screen. A base material is coated with the hydrophilic radiation cooling coating, micropores contained in a hydrophilic coating layer formed after drying cooperate with a sunlight reflection material to generate 0.93-0.97 sunlight reflectivity, and the sunlight reflection function can be recovered through clear water washing after pollution. The radiation cooling coating is simple in process and low in cost, is suitable for special shapes and planes, is suitable for occasions such as residential buildings, commercial buildings and industrial factory buildings, and has a wide application prospect.

The invention discloses a preparation method of transparent heat insulation and cooling coating for an electric vehicle hood. The preparation method comprises the following steps: adding deionized water in waterborne polyurethane resin, uniformly stirring at high speed to obtain a film-forming agent, mixing the film-forming agent with nanometer tin antimony oxide waterborne slurry, nanometer indium tin oxide waterborne slurry and nanometer lanthanum hexaboride heat insulation slurry and the cladding modified hollow glass beads, stirring at high speed, adding auxiliaries, ultrasonically dispersing after quickly stirring, leaving to stand to defoam and then filtering to obtain the transparent heat insulation and cooling coating. Since the titanium dioxide is high in sunlight reflectivity, alayer of titanium dioxide film is adhered on the surface of the hollow glass beads, the dispersion effect of the hollow glass beads in the waterborne coating can be improved, and the capacity of reflecting the solar radiation is enhanced at the same time, and then the aim of cooling is achieved.

The invention relates to the technical field of artificial stone. The invention discloses an outdoor low-heat-absorption inorganic artificial stone plate and a preparation method thereof. The outdoorlow-heat-absorption inorganic artificial stone plate is prepared by prefabricating ultra-high-performance mineral powder at the compressive strength of 100-150MPa. The ultrahigh-performance mineral powder comprises the following raw material components in parts by weight: 90-120 parts of quartz sand, 15-30 parts of quartz powder, 40-60 parts of quartz glass, 80-100 parts of mineral active powder,4-15 parts of titanium dioxide, 10-18 parts of water, 2-5 parts of a water reducing agent and 3-10 parts of a pigment. The inorganic artificial stone plate disclosed by the invention is low in heat absorption, high in sunlight reflectivity, low in shrinkage, high in durability, high in mechanical property, good in decorative effect, good in stain resistance and water resistance, low in overall comprehensive cost and suitable for popularization and application.