55results about How to "High heat reflectivity" patented technology

The invention relates to a waterborne heat-insulating flame-retardant multifunctional nano coating and a preparation method thereof. The coating consists of the following components in part by weight: 48 to 52 parts of waterborne resin and 30 to 50 parts of nano pigment fillers (nano titanium dioxide, nano titanium dioxide-coated hollow glass microspheres, nano titanium dioxide-coated hollow ceramic microspheres and nano antimony-doped tin dioxide (ATO) particles), size and auxiliary materials such as film-forming additive and coupling agent. The preparation method includes the steps that: the nano fillers and the size are first dipped into the waterborne resin, the auxiliary materials are then sequentially added and stirred, and thereby the heat-insulating flame-retardant multifunctional nano coating is obtained. The processing technique is simple, the component proportion is reasonable, and the prepared coating has the advantages of high heat resistance, high reflectivity, high radiative heat conductivity, certain fire resistance, high-efficient heat insulation, excellent mechanical and chemical properties, environment-friendliness, stain resistance, flame retardance and energy saving. The coating can be coated on outside facilities such as outer walls and building roofs.

The present invention discloses one kind of TiO2 coated flyash boulder stuffing, one kind of heat insulating paint and their preparation process. Through non-homogeneous deposition to coat flyash boulder with one layer of hydrated TiO2, and subsequent washing, drying and calcining to fix TiO2 onto the surface of flyash boulder, TiO2 coated flyash boulder stuffing is produced. The heat insulating paint with TiO2 coated flyash boulder and cordierite as main stuffing can radiate heat the coating absorbs in high infrared emissivity to dissipate heat inside the coating. At the same time, the heat insulating paint has high reflectivity to the visible light and near infrared ray of sunlight, high heat isolating effect, high water resistance, high ultraviolet degradation resistance and other advantages. The heat insulating paint is suitable for use in outer wall and roof of house, storage tank, pipeline, etc to reach obvious energy saving effect.

The invention discloses a heat reflective insulating stoving varnish coating and a preparation method thereof. The stoving varnish coating comprises the following components in percentage by weight: 40-60% of a film-forming resin, 8-15% of a mixed solvent, 10-25% of an infrared reflective pigment, 1-5% of insulating powder, 6-15% of filler and 1.2-3.5% of an auxiliary, totaling 100%, wherein the film-forming resin comprises a mixture of thermosetting acrylic resin, acrylic resin and amino resin. As the film-forming resin contains the above three main resins, the stoving varnish coating has good weather ability, mechanical property and chemical resistance. As the infrared reflective pigment and heat insulating powder are added into the raw material, the coating is high in reflection efficiency of sunlight and good in insulating effect.

The invention discloses a heat-preservation cylinder, which is used for a single crystal furnace. The heat-preservation cylinder is characterized in that: a heat reflection layer is formed on the inner side of an inner layer of the heat-preservation cylinder, and is made from a material which can reflect more heat incident onto the heat reflection layer than that incident onto the inner layer of the heat-preservation cylinder. The heat-preservation cylinder of the invention can effectively reflect the heat irradiated to the heat-preservation cylinder back into a furnace body again so as to solve the problem of heat waste to a certain extent and reduce heat power consumption. The invention further discloses the single crystal furnace with the heat-preservation cylinder.

A PCU has an inside sealed by a case made of aluminum and a bottom plate. Interior space of the PCU accommodates an IPM, a control substrate, and a capacitor. The IPM is provided to abut an upper surface of the bottom plate. The control substrate is a rectangular plate having mounted thereon a control circuit including electronic components such as a gate driver, a transformer and the like, and is provided above the IPM. The capacitor is accommodated in a housing in a substantially parallelepiped form. A reflector made of aluminum of high thermal reflectivity and high thermal conductivity is provided on the entire lower surface of the capacitor.

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 a thermal insulation heat-preservation paint coating used for a building external wall. The thermal insulation heat-preservation paint coating is prepared from, by weight, 40-50 parts of emulsion, 1-2 parts of N-hydroxymethyl acrylamide, 6-9 parts of titanium dioxide, 4-6 parts of water, 1-2 parts of titanate coupling agent, 8-16 parts of auxiliary, 7-9 parts of mixed solvent, and 9-12 parts of thermal insulation heat-preservation material, wherein the emulsion is the mixed solution of A-102 silicone acrylic emulsion and A-99 pure acrylic emulsion in the weight ratio of 1.5:1, the auxiliary is composed of 1-2 parts of biocide mildewcide, 1-3 parts of flattening agent, 1-2 parts of pigment dispersing agent, 1-3 parts of thickening agent and 4-6 parts of film-forming agent, and the thermal insulation heat-preservation material is a mixture of hollow glass beads, expanded perlite and aluminum silicate fiber in the weight ratio of 1:1:1. The thermal insulation heat-preservation paint coating used for the building external wall is characterized by being strong in chemical resistance, good in weather resistance, good in thermal insulation heat-preservation effect, high in glossiness, long in service life of coating and the like.

The invention discloses a thin-layer heat-preserving insulation coating material in the field of a building material. The thin-layer heat-preserving insulation coating material comprises the following ingredients: 25 to 45 parts of hollow glass beads, 10 to 25 parts of titanium dioxide, 3 to 10 parts of a defoaming agent, 5 to 10 parts of a thickening agent, 5 to 10 parts of a dispersing agent, 5 to 10 parts of a curing agent, 30 to 50 parts of acrylic emulsion, 10 to 25 parts of a nano sizing agent, 3 to 10 parts of a flatting agent and 3 to 8 parts of a flame retardant agent. The thin-layer heat-preserving insulation coating material has the beneficial effects that the heat conduction coefficient of a coating film is relatively low, and the comprehensive performance of the coating film is optimum; the heat reflection rate of the coating film can be improved by adding an appropriate nano material; the heat-preserving coating material is good in heat-preserving insulation function and can be smeared in a thin layer; fluorosilicone-modified acrylic emulsion is selected as a film forming matter in the coating material, and the nano material is provided, so that the artificial aging resistance of the coating film can be greatly improved.

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.

A gas-fired grill that includes a full length side burner and baffle for channeling heat towards food on a rotisserie spit. The burner and baffle are the same width as the grill. The baffle is made of a reflector shield stamped from sheet stock, corrugated for strength, and made of a material having good reflective properties. The baffle has edges that fit into lances carried by the grill housing for convenient removal and cleaning of the baffle. The position of the burner within the baffle and the shape of the baffle itself increase the hot air circulating around the food during cooking and concentrate radiant energy directed towards the food.

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 relates to a building outer wall multifunctional thin heat insulation material. The material comprises a component A and a component B, wherein the component A is prepared from 10-20 parts by mass of sodium silicate, 10-20 parts by mass of potassium silicate, 0.05-0.5 part by mass of a surfactant, 0.1-1 part by mass of a pH regulator, 0.1-0.5 part by mass of a reducing agent, 0.1-2 parts by mass of a reaction promoter, 0.01-0.5 part by mass of an anti-freezing agent and 40-55 parts by mass of deionized water; and the component B is prepared from the following components in parts by mass: 2-5 parts of micro-crystalline powder, 2-5 parts of titanium dioxide, 3-8 parts of nano zirconium oxide, 2-10 parts of ceramic micro-beads, 2-5 parts of aerogel, 5-10 parts of superfine hydrophilic silicon dioxide, 5-15 parts of calcium carbonate, 10-20 parts of organic silicon modified styrene-acrylic emulsion, 0.2-2 parts of a defoaming agent, 0.6-3 parts of a dispersing agent and 15-40 parts of deionized water. The coating disclosed by the invention not only can block fine cracks of a concrete outer wall, but also has dual heat preservation effects of reflective insulation and thermal insulation, and has excellent water vapor corrosion resistance.

The invention discloses a light-weight, environmentally-friendly, stable, weather-resistant, flame-retardant and heat-insulating material and a preparation method thereof, the light-weight, environmentally-friendly, stable, weather-resistant, flame-retardant and heat-insulating material comprises the following raw materials by weight: 25 to 35 parts of polyether polyol, 3 to 5 parts of an acid salt auxiliary agent, 15 to 25 parts of mixed resin, 4-6 parts of polyvinyl alcohol, 6-8 parts of a smoke-proof fireproof additive, 10-12 parts of a heat preservation aid, 4-6 parts of a bactericidal additive, 8-10 parts of talcum powder, 6-8 parts of shell powder, 3 to 5 parts of silica sol, 4 to 6 parts of white carbon black, 6 to 8 parts of a coupling agent, and 5 to 9 parts of a processing aid. The light-weight, environmentally-friendly, stable, weather-resistant, flame-retardant and heat-insulating material has the advantages of light weight, low thermal conductivity, good heat preservationeffect, good toughness, good flame retarding effect, stable size, creep resistance, fatigue resistance, long service life and excellent comprehensive performance; and the preparation method has the advantages of easy-to-get raw materials, simple process, high practical value and good application prospects.

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 relates to the technical field of building designing, in particular to a concave curved-roof-surface waterproof structure and a construction technology thereof. The concave curved-roof-surface waterproof structure comprises a waterproof structure body, a concrete layer is arranged at the bottom of the waterproof structure body, a waterproof layer is connected to the top face of the concrete layer, a heat preservation layer is arranged on the top face of the waterproof layer, a rigid waterproof layer is arranged on the top face of the heat preservation layer, and a house decorating layer is connected to the top face of the rigid waterproof layer. The construction technology of the waterproof structure body includes the following steps that steel is rolled, a steel frame is placed, concrete is poured, the top face of the concrete is poured into a concave curved structure after fine building, the waterproof layer is laid, the heat preservation layer is sprayed, concrete is poured, and the decorating layer is laid. According to the concave curved-roof-surface waterproof structure and the construction technology thereof, the waterproof layer is directly arranged on the concrete structure layer, construction is simple, the construction procedure is simple, and the waterproof effect of the curved roof surface is good.