158 results about "Solar reflectance" patented technology

The invention provides low solar reflectance, low-emissivity coatings. The invention also provides a pane bearing a low solar reflectance, low-emissivity coating. Further, the invention provides an insulating glass unit comprising first and second panes held in a spaced-apart configuration, wherein the panes have confronting inner surfaces oriented toward a between-pane space and opposed outer surfaces oriented away from the between-pane space, and wherein one of these inner surfaces bears a low solar reflectance, low-emissivity coating. Also provided are methods of producing coated substrates.

Solar reflective roofing granules include a binder and inert mineral particles, with solar reflective particles dispersed in the binder. An agglomeration process preferentially disposes the solar reflective particles at a desired depth within or beneath the surface of the granules.

An asphalt-based roofing material includes a coating having a top portion containing a mixture of asphalt and igneous and/or metamorphic rock particles, while the mat portion of the coating contains a mixture of asphalt and a filler which contains less than 10% igneous and/or metamorphic rock particles. In other embodiments, the top portion but not the bottom portion of the coating meets or exceeds a pliability standard, passes a weathering performance test, or has a high solar reflectance. In another embodiment relating to a laminated roofing material, the top portion but not the bottom portion has viscoelastic properties effective to prevent the coating from sticking to an adjacent shingle in a bundle. The invention also relates to a continuous process of applying first and second coatings to a mat for manufacturing a roofing material. In a first coating operation, a first asphalt-based coating is continuously applied to a first surface of the mat so that the first coating saturates the mat and forms a layer on the first surface. In a second coating operation, a second asphalt-based coating is continuously applied to a second surface of the mat so that the second coating forms a layer on the second surface. The second coating has different properties from the first coating.

Roofing granules include a core having an average ultraviolet transmission of greater than sixty percent and an average near infrared reflectance of greater than sixty percent and a UV coating layer on the exterior surface. The coating provides UV opacity, while the core provides near infrared reflectance.

A solar heat-reflective roofing product includes a base sheet, and solar heat-reflective roofing granules on top of the base sheet. The granules have a base particle with a flake-like geometry covered by a uniform coating layer. The coating layer has a thickness of at least one mil and includes a coating binder and at least one solar heat-reflective pigment. The solar heat-reflective pigment provides a solar heat reflectance of greater than 70 percent to the granules and the roofing product. Roofing products including roofing shingles and roofing membranes are described.

The invention provides a bright white refractory roofing granule, comprising a ceramic material formed from a substantially homogenous mixture of a ceramic-forming clay, sintering material, and optionally comprising silica particles, and other potential additives, said bright white refractory roofing granule having a total solar reflectance of at least 0.80 and a Hunter Color L-value of at least 85.0, together with processes for making and using the same.

The invention provides a color thermal insulation mortar with a heat reflection function for an exterior wall. The color thermal insulation mortar comprises the following components by weight percent: 20-25% of white cement, 4-6% of early strength agent, 2-4% of active admixture, 10-20% of finer filler, 20-40% of light filling, 10-30% of fine sand, 1-3% of pigment and 4-6% of additive, wherein the early strength agent is white amorphous calcium aluminate of which the specific surface area is greater than or equal to 5,000m<2>kg; the light filling is a glass bead, which has a honeycomb mesh structure and of which the particle size is 0.09-0.60mm, the bulk density is 270-400Kg/m<3>, the cylinder compressive strength is greater than 2.0MPa, and the pigment is chromium titanium yellow, nickel titanate yellow, chromite-cobalt blue or ferrochromium black. The color thermal insulation mortar disclosed by the invention not only has the characteristics of being light in weight, strong in strength and low in water absorption rate by adding an inorganic composite pigment burnt at high temperature and the glass bead with a special structure, but also has high near infrared solar reflectance and low coefficient of thermal conductivity. Compared with the common mortar, the color thermal insulation mortar has better insulating and cooling effects, and is especially applicable to decoration of the exterior wall.

The invention discloses a water-borne acrylic thermal insulating coating and a preparation method thereof. The water-borne acrylic thermal insulating coating comprises the following components in parts by weight: 30-50 parts of special emulsion BTA-100 for the thermal insulating coating, 5-15 parts of hollow glass microsphere VS5500, 15-20 parts of titanium white, 5-10 parts of calcium carbonate, 5-10 parts of heat insulation powder S-20, 0.5-3.0 parts of nanometer silicon dioxide powder JY100, 0.1-0.5 part of deforming agent A-34, 0.5-1.0 part of water-resistant dispersing agent SN-5027, 0.5-2.0 parts of propylene glycol, 2.0-5.0 parts of film-forming agent Dalpad C, 0.5-1.0 part of thickening agent TT-935, 0.1-0.2 part of mildew-proof agent EPW, 0.1-0.2 part of bactericide MV and 15-40 parts of deionized water. The water-borne acrylic thermal insulating coating of the invention has excellent physicochemical performance, heat insulation reflection effect, the solar reflectance and the hemispherical emissivity of more than 0.89, and excellent stain resisting performance; meanwhile, the contents of VOC (Volatile Organic Compounds) and heavy metals are in line with the requirements of national compulsory standards for limit quantity.

A roofing product has a substrate having a binder layer and roofing granules on a majority of the binder layer, such that an exposed portion of the binder layer does not have the roofing granules. In addition, reflective particles may be located on the exposed portion of the binder layer. The reflective particles are smaller in size than the roofing granules, and the reflective particles have a solar reflectance of greater than 40%.

The invention relates to a thin multifunctional solar reflecting coating and a preparation method thereof. The multifunctional solar reflecting coating is formed by coating multifunctional solar reflecting paint on the surface of a substrate, and the multifunctional solar reflecting paint comprises the following components in weight percentage: 25%-30% of resin system, 0-5% of metallic oxides, 25%-30% of titanium white, 0-2% of talcum powder, 1%-2% of organic bentonite, 2%-3% of corrosion-prevention fillers, 0.5%-1.5% of moist dispersing assistants and 10%-15% of solvents, wherein the resin system is an acrylic resin and curing agent system or a polyurethane modified acrylic resin and curing agent system, the metal oxides are one or more of aluminium oxide, magnesium oxide or zinc oxide, and the corrosion-prevention fillers are one or a mixture of two of aluminum tripolyphosphate or zinc phosphate. In the preparation method, multi-element compounding is carried out by adopting high-reflectivity functional fillers comprising the titanium white, the zinc oxide and the like to realize higher solar reflectivity and hemisphere emissivity of the coating so that the coating has obvious heat-reflecting and cooling effect; the acrylic resin is used as main film forming matter so that the excellent substrate adhesion and the outdoor durability of the coating are realized; and the bottom and the surface of the coating are combined into a whole so that the thickness of the coating is 0.1-0.2 mm, thereby the coating is convenient for construction.

An infrared low-emissivity coating material and a preparation method thereof belong to the technical field of functional materials. The infrared low-emissivity coating material comprises the following components by weight: 0.8 to 1 part of red slurry, 2 to 4 parts of yellow slurry, 1 to 3 parts of dispersing slurry of sheet aluminium powder, 35 to 37 parts of dispersing slurry of sheet aluminium powder coated with silicon dioxide or ferric oxide, 50 to 58 parts of solvent, 3 to 5 parts of curing agent and 0.1 to 0.3 part of flatting agent. The infrared low-emissivity coating material provided by the invention can simulate the spectral reflection curve of the northern ocher background, wherein a near infrared band has higher solar reflectivity, the average emissivity of a thermal infrared band of 3 to 5 Mum is lower than 0.35, and the average emissivity of a thermal infrared band of 8 to 14 Mum is lower than 0.45; and industrial production can be achieved.

The present invention aims to develop an aqueous heat-shielding coating material to which low staining properties are imparted to suppress a reduction in heat-shielding properties due to the reduction in solar reflectance caused by adhesion of contaminants in the air during outdoor exposure, thereby maintaining the heat-shielding properties for a long period of time. The above problem is solved by providing a resin composition for an aqueous coating material including: (A1) a water-soluble and/or water-dispersible resin; (A2) a heat-shielding pigment; (B1) an organosilicate and/or a modified product of the organosilicate; and (B2) a curing catalyst that promotes a hydrolysis/condensation reaction of an alkoxysilyl group.

A self-cleaning solar energy high-reflectivity nano film and its manufacturing method, comprising a base layer, which is stainless steel or plexiglass, with a thickness of 0.3 mm to 1.2 mm, on which is a transition layer, made of copper or chromium, with a thickness of 20 nm to 50 nm, On it is a reflective layer, the reflective layer is silver, its thickness is 80nm ~ 150nm, on it is a protective layer, the protective layer is silicon dioxide, its thickness is 200nm ~ 800nm, on it is a self-cleaning layer, self-cleaning The layer is titanium dioxide, and its thickness is 50nm-250nm. When the reflective film of the present invention is a silver film, the reflectivity to sunlight is 94% to 97%, and when the reflective film is an aluminum film, the reflectivity is 90% to 92%. The present invention not only has high reflectivity, but also has The self-cleaning function is just as bright as new after just flushing with water, and the outdoor service life is long.

A novel energy efficient shingle is disclosed. The shingle is layered with the top layer comprising recycled glass cullet coated with a reflecting material such as TiO₂. The novel shingle provides significant improvement in the Solar Reflectance Index (SRI).

One embodiment of the invention relates to a flexible sled that conforms to the contour of the pavement for applying a liquid emulsion onto a pavement surface comprising a rigid frame with flexible squeegee assembly adapted to be towed along a pavement surface. Another embodiment of the invention includes a hopper assembly for distributing aggregate. Another embodiment of the invention includes a sled for repairing ruts in wheel lanes of a road. Another aspect of the invention is a polymer emulsion composition having a high coefficient of friction comprising a mixture of polymer resin blended with a mixture of cement and angular sand aggregate and titanium dioxide to provide a solar reflectance index number that ranges from 0.30 to 0.38 and a friction number in the range of 45 to 55. Another aspect of the invention is a polymer emulsion for sealing open graded bituminous asphalt comprising a mixture of polymer resin blended with a mixture of cement and angular sand aggregate which will provide a friction number in the range of 45 to 55 when the ratio of aggregate to cement is 70/30.

The invention aims to solve the problems that current phase-change temperature-control microcapsule coating is low in solar reflectivity, uneven in coating and the like and provides a heat-reflection type building-outer-wall thermal-insulation water-based coating based on double-shell phase-change temperature-control microcapsules and a preparation method of the water-based coating. The mixture of the double-shell phase-change temperature-control microcapsules and high-refractive-index oxides is used as the thermal-insulation functional filler, the core materials of double-shell phase-change temperature-control microcapsules are paraffin with the phase change temperature being 38-45 DEG C, each double shell comprises a polymer inner shell layer and a high-refractive-index oxide-particle outer shell layer, and the particle size of high-refractive-index oxide particles ranges from 150 nanometers to 350 nanometers. The solar reflectivity of the water-based coating reaches above 85%, and the water-based coating has a certain phase-change temperature control function and is even in film coating.

The present invention provides for a composition comprising a pigment, wherein the composition is suitable for coating a surface that is, or is expected to be, exposed to the sun. The pigment comprises particles that fluoresce in sunlight, thereby remaining cooler in the sun than coatings pigmented with non-fluorescent particles. The particles comprise solids that fluoresce or glow in the visible or near infrared (NIR) spectra, or that fluoresce when doped. Suitable dopants include, but are not limited to, ions of rare earths and transition metals. A coating composition includes: (i) a film-forming resin; (ii) an infrared reflective pigment; and (iii) an infrared fluorescent pigment different from the infrared reflective pigment. When the coating composition is cured to form a coating and exposed to radiation comprising fluorescence-exciting radiation, the coating has a greater effective solar reflectance (ESR) compared to the same coating exposed to the radiation comprising fluorescence-exciting radiation except without the infrared fluorescent pigment. A multi-layer coating including the coating composition, and a substrate at least partially coated with the coating composition is also disclosed. A method of reducing temperature of an article includes applying the coating composition to at least a portion of the article.