66results about How to "Improve infrared radiation performance" patented technology

The present invention relates to far infrared enamel glaze, and is especially one kind of enamel glaze sintered onto iron pipe. The glaze consists of fused block, silicon carbide, calcined sand and oxide with infrared radiation performance. The said materials are ground and mixed while adding water, and the mixture is painted onto iron pipe and heated at 800-1000 deg.c for 4-12 min to form enamel sintered firmly onto the surface of the iron pipe. The present invention has the advantages of easy sintering, high infrared radiation performance, less likely to fall and long service life.

The present invention relates to one kind of solid solution cordierite series ceramic powder with infrared radiation and bacteriostasis functions and its preparation process. The ceramic powder has the main components of Al2O3, SiO2, MgO and ZnO, which are prepared into white solid solution cordierite series ceramic powder through ceramic making process. The ceramic powder has normal whole waveband radiance of 0.87-0.90, 8-25 micron waveband radiance of 0.90-0.94, 8-14 micron waveband radiance of 0.88-0.94 and 14-25 micron waveband radiance of 0.91-0.94. The bacteriostasis function test shows that the ceramic powder has obvious inhibiting effect on urea sarcin and Staphylococcus aureus, with bacteriostasis rate reaching 84.1-100 %. The present invention has simple process, low cost and wide application range.

The invention discloses a reversible dynamic macroporous elastomer polymer material, a preparation method and application thereof. The invention mixes and stirs the polymerizable precursor or the crosslinkable polymer precursor and the template liquid insoluble in the precursor evenly, and solidifies the obtained emulsion to prepare a reversible dynamic macroporous elastomer polymer material. The novel elastic body polymer material of the reversible dynamic porous structure of the present invention has a simple and easy synthesis process, is environmentally friendly, has high yield, low preparation cost, and is easy to popularize. The reversible dynamic macroporous elastomeric polymer material of the present invention has an adjustable reversible multi-level pore structure, has good convertible solar light reflection performance and infrared radiation performance, high solution storage capacity, and adjustable surface roughness, It belongs to macroporous polymer material, and has broad application prospects in radiative refrigeration, solar heating, and intelligent interface.

The invention discloses a sun-proof and heat-insulating coating for buildings and a preparation method thereof. The blend is obtained by mixing water-based acrylic resin, modified silica airgel, zinc phosphate, organic fluorine epoxy resin and silicone resin , put the blend into the mixing tank, stir evenly and then filter, and mix the boric acid microparticles and inorganic fillers into the SiO 2 In the sol precursor, it fills the defects in the nonlinear optical crystal, and then regulates the infrared radiation performance, and undertakes the function of enhancing the infrared radiation performance of the atmospheric window band. Adding a dispersant makes the molecular chain of the dispersant fully stretch in the aqueous solution. In SiO 2 A surface adsorption layer of a certain thickness is formed on the surface of the airgel particles, which produces a steric hindrance effect, thereby achieving the promotion of the development of high-grade green buildings and the improvement of SiO 2 The purpose of dispersion stability of airgel system.

The invention discloses an infrared radiation coating capable of forming a low thermal conductivity coating, which is prepared from the following raw materials in mass percent: spinel-silicate multiphase composite system infrared radiation powder: 30-50 %, pore forming agent: 3~15%, potassium hexatitanate: 0~20%, water glass: 25~50%, water: 5~15%, inorganic bonding agent: 1~10%, anti-settling agent: 0~2%, dispersant: 0~3%, defoamer: 0~1%, leveling agent: 0~1%. After the coating of the present invention is dried and solidified, a coating with a porous structure is formed during use. The coating has excellent infrared radiation performance and low thermal conductivity, and can be firmly combined with the refractory material matrix. No cracking, no shedding, corrosion resistance, excellent thermal shock resistance.

The invention provides a high-infrared radiation ceramic material and its preparation method and application. The high-infrared radiation ceramic material is synthesized by a base material and an auxiliary material through a high-temperature solid-phase reaction; the base material includes La 2 o 3 and CeO 2 ; The auxiliary material includes Mn 2 o 3 , SrO, SrCO 3 One or more of them; by mass percentage, in the high infrared radiation ceramic material, the La 2 o 3 45% to 50%, the CeO 2 45% to 50%, and the auxiliary material is 1% to 5%. The high infrared radiation ceramic material of the present invention has simple raw material composition, good uniformity, stable infrared radiation performance and an infrared radiation rate of ≥0.95.

The invention relates to an efficient heat dissipation coating and an application method thereof. The heat dissipation coating is prepared from, by mass, 5%-20% of superfine graphite, 1%-10% of infrared radiation powder, 20%-50% of a bonding agent, 30%-50% of a solvent and 0.1%-3% of a dispersing agent, wherein the proportion sum of all the components is 100%. A preparation method of the efficient heat dissipation coating comprises the steps that the weighted superfine graphite, infrared radiation powder, bonding agent, dispersing agent and solvent are mixed and then stirred to be uniform to obtain slurry; the slurry is uniformly applied to the surfaces of metal heat dissipation fins of electronic equipment through a spraying or immersing method, natural curing is conducted under the room temperature condition, and heat preservation is conducted for 2 h. The efficient heat dissipation coating has the heat conductivity coefficient approaching to that of graphite and can effectively decrease the surface temperature of the electronic equipment, improve the operating reliability of the electronic equipment and prolonging the service life of the electronic equipment; the full-wave band radiance is stable at 0.96 or above for a long term; when the heat dissipation fins of the electronic equipment are in a working state under the temperature of 80 DEG C to 100 DEG C, the surface temperature of the heat dissipation fins coated with the efficient heat dissipation coating is decreased by 8 DEG C-10 DEG C than that of the heat dissipation fins not coated with the efficient heat dissipation coating.

The invention relates to a preparation method of an organic silicon acrylic ester self-organizing gradient emulsion film, which in particular comprises the following steps: firstly adopting a soap-free emulsion method to prepare organic silicon acrylic ester copolymer soap-free emulsion and methyl methacrylate copolymer soap-free emulsion; blending the two emulsion according to the weight ratio of 1:1; and self-organizing to form the emulsion film of which the content of silicon element is in gradient change from the surface of the base material to the surface of the air by utilizing the difference of surface energy between different emulsion particles and the difference of selected wettability to the base material. The invention solves the hydrolysis problem of multiple organic silicon monomers in the emulsion polymerization process, improves the silicon content and hydrophobic nature of the polymer; the surface on one side of the formed gradient emulsion film possesses excellent film forming property and caking property of acrylic ester polymer, and the surface on the other side possesses the advantages of excellent high temperature resistance, ultraviolet resistance, infrared radiation resistance, oxidation degradability resistance, low surface energy and the like of organic silicon; and the preparation method is simple and easy to control, has no pollution to the environment and is applied widely.