34results about How to "Increased hemispherical emissivity" patented technology

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 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 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 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 relates to a preparation method and applications of an aqueous reflective radiation type composite heat insulation paint. The aqueous reflective radiation type composite heat insulationpaint is of a double layer paint layer structure composed of a radiation thermal-insulation paint and a reflective thermal-insulation paint; the radiation thermal-insulation paint is sprayed onto a lower layer; the reflective thermal-insulation paint is sprayed onto an upper layer; the high radiation performance of convenience carbon nanotube and the reflective performance of rutile type titaniumdioxide are combined, reflective thermal insulation effect is achieved by the titanium dioxide at the upper layer; the radiation thermal insulation effect is achieved by the carbon nanotube at the bottom layer. Compared with simple blended single-layer structures, the double-layer structure possesses a following advantage: the reflective effect of rutile type titanium dioxide can be ensured effectively. The aqueous reflective radiation type composite heat insulation paint is low in VOC, is friendly to the environment. The aqueous reflective radiation type composite heat insulation paint possesses excellent reflective performance on visible light and near infrared light, is high in hemispherical emissivity, and excellent in thermal insulation effect, is green, and is friendly to the environment; the preparation method is simple and controllable; construction is convenient; and the aqueous reflective radiation type composite heat insulation paint can be applied on building exterior wallsand petroleum chemical storage tanks based on different requirements.

The invention provides a preparation method of a cool and sunlight-reflective waterproof coating for a roof and an outer wall and relates to a preparation method of waterproof coatings. The preparation method aims to solve the problems that the roof and the outer wall of an existing building are exposed to intense solar radiation, the surface and indoor temperature is raised sharply, accordingly the surrounding environmental temperature is raised, living environment comfort is lowered, power consumption for air conditioning refrigeration is increased, meanwhile, original waterproof materials on the roof and the outer wall are accelerated in corrosion and aging, original mechanical and chemical performance of the waterproof materials cannot be maintained, failure of efficacy is accelerated, and thus the roof and the outer wall leak. The preparation method includes the steps of 1, weighing raw materials; 2, preparing slurry; 3, preparing the waterproof coating. The prepared waterproof coating is free of formaldehyde and extra low in volatile organic compound, VOC is less than 50 g/L, the indoor coating use standard is reached, and the coating is an energy-saving and environmentally-friendly coating and used for industrial production.

The invention provides ultrahigh-viscosity and high-sunlight-reflection-ratio waterproof and heat insulation coating and a preparation method thereof and relates to a waterproof and heat insulation coating and a preparation method thereof. The ultrahigh-viscosity and high-sunlight-reflection-ratio waterproof and heat insulation coating is prepared from water, hollow ceramic microspheres, titaniumwhite powder, a dispersant, ultraviolet crosslinking acrylic emulsion, silicon resin, a film forming auxiliary agent, a mildew-proof auxiliary agent, a de-foaming agent, a pH (Potential of Hydrogen) regulator and a rheological modifier premix. The method comprises the following steps: adding raw materials into a reaction kettle and stirring the raw materials while adding to obtain a mixture; regulating the pH value and adding the rheological modifier premix; mixing a liquid phase at a low speed; decompressing and distilling to remove water, so as to obtain the coating. According to the ultrahigh-viscosity and high-sunlight-reflection-ratio waterproof and heat insulation coating provided by the invention, the coverage capability of the coating is greatly improved so that the minimum thickness for covering a substrate is reduced and reaches 0.5 to 0.8mm. The sunlight reflection ratio of the coating can reach 0.92 under the thickness. The preparation method is used for preparing the high-performance waterproof and heat insulation coating.

The invention discloses a water-based building reflective insulation coating and a processing method thereof. The water-based building reflective insulation coating comprises the following raw materials in parts by weight: 150-160 parts of water, 1-2 parts of hydroxyethyl cellulose, 1-2 parts of a multifunctional auxiliary agent, 6-9 parts of dispersing agent, 1-2 parts of a wetting agent, 1-3 parts of a defoaming agent, 50-200 parts of titanium dioxide, 25 to 175 parts of reflective pigment, 50-75 parts of kaolin, 25-50 parts of mica powder, 50-100 parts of coarse whiting powder, 10-20 partsof a film forming aid, 300-450 parts of a pure acrylic emulsion, 10-20 parts of a humectant, 1-3 parts of a mildew-proof preservative and 0.5-3 parts of a rheological modifier. The titanium dioxide isrutile titanium dioxide, and the reflective pigment is an ALTIRIS reflective pigment. Some potential safety hazards caused by using the traditional building thermal insulation material are avoided, and the pigments and fillers capable of reflecting infrared rays capable of generating heat energy in sunlight are added into the acrylic emulsion, so that the coating has relatively high sunlight reflectance and hemispherical emissivity, the coating has a decorative effect and can prevent heat from gathering on a wall body, and further the temperature of the wall body and an indoor environment isreduced.

The invention discloses a preparation process of a novel water-based nano thermal insulation material. The preparation method comprises the steps of firstly, preparing the following raw materials: a porous water-based nano silicon dioxide suspension, nano titanium dioxide, modified attapulgite, a wetting agent, modified fly ash, a thickening agent, modified montmorillonite, inorganic fibers, modified expanded perlite, a flame retardant, a defoaming agent, vitrified micro bubbles, an ethylene-vinyl acetate copolymer and deionized water; then preparing a mixture A; then preparing a mixture B; and finally, stirring the porous water-based nano silicon dioxide suspension, the mixture A, the mixture B, the wetting agent, the thickening agent, the defoaming agent and the flame retardant, and fully stirring and mixing to obtain the required novel water-based nano thermal insulation material. The product disclosed by the invention has excellent thermal insulation performance, and particularly, the modified attapulgite and the modified montmorillonite are added, and the thermal insulation effect can be further improved through synergistic interaction of the two components.

The invention discloses a preparation method of fluorinated polyurethane modified acrylic waterborne resin. An anti-fouling paint prepared from the resin material provided by the invention has the characteristics of excellent flexibility, thermal stability, aging resistance, chemical inertness, hydrophobic self-cleaning properties and atmospheric corrosion resistance, and also has high solar lightreflection ratio and hemispherical emissivity, and at a high temperature in summer, the surface temperature can be lowered by 10-20DEG C, the internal temperature is reduced by 6-13DEG C, the higherthe temperature is, the bigger the temperature difference is, and the energy-saving effect is obvious. And the anti-fouling paint prepared from the resin material can be widely applied to cooling in buildings, chemical industry, petroleum, electric power, metallurgy, ships, light textiles, storage, transportation, aerospace, etc., saves energy, and creates comfortable human life and work environment.

The invention discloses a functional heat-insulating and environmentally friendly coating material and a preparation method thereof, belonging to the technical field of coatings. The functional and environmentally friendly coating material includes the following main raw materials: 15% to 45% of acrylic resin, 4% to 4% of titanium dioxide nanotubes 18%, heavy calcium powder 5%~22%, kaolin 2%~8%, hollow filler 10%~20%, silicone resin 5%~14%, silicon carbide powder 3%~12%, magnesium fluoride 1%~ 5%, water 10% ~ 30%, and appropriate amount of dispersant, toughener, thickener, defoamer. The coating preparation method comprises the following steps: adding titanium dioxide nanotubes, heavy calcium powder, and kaolin into water, and stirring uniformly; adding hollow filler and acrylic resin, stirring evenly; adding silicon carbide powder and magnesium fluoride, stirring evenly; adding silicone resin, stirring Obtain heat insulation and environmental protection coating material. The material's thermal insulation is a significant improvement over conventional reflective materials.

The invention provides a natural partition lanthanum cerium oxide reflective heat-preservation coating and a preparation method thereof. The natural partition lanthanum cerium oxide reflective heat-preservation coating comprises a primer layer and a finish paint layer, the primer layer comprises the following parts: primer natural partition lanthanum cerium oxide, first water-based resin, a first pre-dispersing agent, a first auxiliary agent and deionized water; the finish paint layer comprises the following parts in percentage by mass: second water-based resin, a second pre-dispersing agent, a second auxiliary agent, finish paint natural partition lanthanum cerium oxide, infrared reflection pigment and deionized water. The natural partition lanthanum cerium oxide and the pigment adopted by the coating have high visible light and near-infrared light reflectivity, and a coating layer of the coating has high sunlight reflectivity, near-infrared reflectivity and hemispherical emissivity and can effectively reflect and block solar radiation and reduce the surface temperature and the interior temperature of a building. Meanwhile, the stain resistance is improved, the sunlight reflectivity change rate after pollution is less than 2%, and the stain resistance is 50% or above higher than that of a common reflective heat insulation coating.

The invention discloses reflective thermal-insulating sand and a preparation method thereof and belongs to the technical field of coating preparation. The sand comprises the following components in parts by weight: 80-90 parts of quartz sand, 40-60 parts of an emulsion, 20-40 parts of reflective thermal-insulating titanium dioxide, 20-30 parts of a functional filler, 0.1-1 part of a dispersion wetting agent, 5-10 parts of a film formation aid, 2-5 parts of other aids, 1-1.5 parts of a Ph value adjusting agent, 1-1.5 parts of a toner and 10-20 parts of deionized water. The sand has the characteristics of being excellent in reflective thermal-insulating effect, high in sunshine reflection rate and hemispherical emission rate, dense in coating film, smooth in surface, green and environment-friendly, free of VOC (volatile organic compound), free of industrial waste, good in heat preservation and dirt resistance, good in weather resistance, excellent in thermal insulation and long-lasting in thermal insulation; a color modulation process is simple, equipment requirements are low, the cost is low, and the raw material cost is low as water is adopted as a solvent.

The invention provides high-tensile-strength energy-saving waterproof paint and a preparation method thereof, and belongs to the field of paint. A coating cracking phenomenon is generated on all existing buildings after the buildings are used for a long time. The energy-saving waterproof roof paint with a fireproof function is prepared from, by weight, 15-18 parts of solvent deionized water, 0.7-1 part of a dispersing agent, 0.3-0.8 part of a defoaming agent A, 17-22 parts of filler, 20-25 parts of nanopowder, 1-3 parts of ceramic fiber powder, 25-30 parts of acrylic emulsion, 0.3-0.8 part of a defoaming agent B, 0.2-0.4 part of texanol, 0.2-0.4 part of a mouldproof auxiliary, 0.2-0.4 part of DMAE, 0.1-0.3 part of a thickener premixed material and 1-1.5 parts of a liquid thickening agent. According to the high-tensile-strength energy-saving waterproof paint, by adding the ceramic fiber powder, the tensile strength of a paint film is enhanced and can reach 5.07 MPa, and the zero-formaldehyde and true energy-saving environment-friendly paint is obtained.

The invention relates to a roof energy-saving waterproof coating with a fireproof function and a preparation method thereof, belonging to the field of coatings. Development of a coating which has a waterproof protecting function on a roof and further has a certain fireproof function is the research hotspot at present. The coating prepared by the invention comprises the following components in parts by weight: 25-35 parts of solvent deionized water, 0.7-1 part of a dispersant, 0.3-0.8 part of a defoamer A, 0.1-0.3 part of a KH550 silane coupling agent, 17-22 parts of flame-retardant filler, 8-10 parts of nano powder, 2-3 parts of texanol A, 0.1-0.3 part of a thickener premixture, 30-35 parts of acrylic emulsion, 0.3-0.8 part of a defoamer B, 0.2-0.5 part of texanol B, 0.2-0.4 part of a mildew auxiliary agent, 0.2-0.4 part of DMAE and 1.5-3 parts of a liquid thickener. For a film at a high temperature of 1000 DEG C, no flame can spread.

The invention relates to a high-light-reflection phase-change heat storage coating for textiles and a preparation method of the high-light-reflection phase-change heat storage coating. The coating comprises an outer coating, an inner coating and a middle layer between the outer coating and the inner coating, wherein the outer coating is a waterborne polyurethane modified layer; the middle layer is a waterborne polyurethane coating filled with a modified light reflecting material; and the inner coating is a coating which comprises the components of water-based phase change polyurethane and modified phase change microcapsules. The coating has high near-infrared reflectivity and hemispherical emissivity, the problem that the textile is overheated in summer is greatly reduced, the phase change enthalpy value of the coating in the coating is greatly increased, the temperature of the textile can be effectively controlled, and the situation that an existing textile is cold in winter and hot in summer is greatly relieved.

The invention relates to the field of coating and in particular relates to reflection and heat-insulation coating for a storage tank and a preparation method thereof. The reflection and heat-insulation coating is prepared from the following raw materials: 50 to 60 parts of organic silicon modified alkyd resin, 25 to 35 parts of titanium white powder, 8 to 10 parts of composite iron-titanium powder, 8 to 10 parts of thermal reflection powder, 8 to 10 parts of quartz sand, 2 to 3 parts of a preservative, 1 to 3 parts of a de-foaming agent, 0.5 to 1 part of a thickening agent, 0.5 to 1 part of adispersant and 0.3 to 0.5 part of a wetting agent. The reflection and heat-insulation coating provided by the invention has excellent performance of shielding ultraviolet rays, infrared rays and the like; the thermal reflection powder is added and has the properties of multi-reflection, small heat absorption, capability of effectively preventing the transmission of heat energy and the like, so that the coating has excellent reflection and heat-insulation effects; the coating can be used for remarkably reducing the surface and inner temperatures of oil gas and chemical raw material storage tanks in summer and has a very good cooling effect. Meanwhile, the coating has excellent acid resistance, alkali resistance and salt resistance and has a remarkable protection effect on the storage tanks.