36results about How to "Good anti-sagging" patented technology

The invention provides a long-life aluminum alloy composite thin plate, which at least comprises a core layer and a surface layer, wherein the core layer comprises Al-Mn alloy, and one side or two sides of the core layer are coated with the Al-Si alloy; the Al-Mn alloy of the core layer comprises the components by the following mass percentages: 0.05 to 0.5 weight percent of Si, 0.05 to 0.5 weight percent of Fe, 0.05 to 0.3 weight percent of Cu, 1.0 to 1.6 weight percent of Mn, 0.3 to 0.7 weight percent of Mg, 0.05 to 0.3 weight percent of Zn, and 0.05 to 0.15 weight percent of Cr, and the balance components being Al and inevitable impurities. Through selecting alloy elements preferably and controlling the texture, the prepared aluminum alloy composite thin plate has excellent corrosion resistance on the basis of keeping the alloy to have good mechanical performance, anti-sagging performance and brazing performance, thus the aluminum alloy composite thin plate is very advantageous to production and manufacturing and is a perfect material for producing heat exchanger parts.

The invention relates to an automobile heat dissipation fin aluminum foil prepared from an aluminum alloy XR348. The aluminum alloy XR348 is prepared from the following components: 1.1 to 1.4 weight percent of manganese, 1.0 to 1.2 weight percent of silicon, 0.9 to 1.1 weight percent of iron, 0.8 to 1.0 weight percent of zinc, 0.21 to 0.30 weight percent of zirconium, 0 to 0.05 weight percent of titanium, 0 to 0.03 weight percent of copper, 0 to 0.01 weight percent of magnesium, 0 to 0.03 weight percent of a single unavoidable impurity, 0 to 0.10 weight percent of all unavoidable impurities and the balance of aluminum. The preparation method of the automobile heat dissipation fin aluminum foil comprises a step of performing continuous casting-rolling on the aluminum alloy XR348, so as to obtain the automobile heat dissipation fin aluminum foil. The preparation method disclosed by the invention is short in flow and high in quality; after being subjected to high-temperature soldering, the aluminum foil is extremely high in postwelding strength and high in corrosion resistance; diffusion of silicon atoms on a soldered layer can be prevented, so that the hang-down resistance property of a material is improved; therefore, the aluminum foil and the preparation method which are disclosed by the invention are extremely high in performance.

The invention discloses a long-acting anti-icing wind power blade coating and a preparing method thereof. According to a formula, the coating is prepared from a component A and a component B, wherein the component A is prepared from resin, dispersant, titanium dioxide, carbon black, a conducting material, a defoaming agent, a leveling agent, a rheological additive, a flatting agent, an adhesion promoter, an initiating agent, butyl acetate and propylene glycol monomethyl ether; the component B is prepared from an HDI tripolymer and a prepolymer made of HDI or IPDI, and the curing agent component with the -NCO content of 5-15%. The preparing method of the coating and a preparing method of the component A are provided. On the premise that a paint film has excellent performance for daily use, the film serves as a resistor while being changed into a conductor, the problem that blades ice during operation in snowy weather in winter is solved thoroughly, and long-term safe and stable operation and service life of a wind power unit are guaranteed.

The invention discloses a high-sag-resistance composite brazing aluminum foil. The high-sag-resistance composite brazing aluminum foil comprises an upper coating layer, a lower coating layer and a core material layer arranged between the upper and lower coating layers, wherein the core material layer comprises the following components in percentage by weight: 0.25-0.46% of iron, 0.01-0.25 % of silicon, 0.40-1.0% of manganese, 0.04-0.5% of copper, 0.01-0.4% of scandium, and the balance being aluminum, and the upper and lower coating layers are made of aluminum alloy. The invention also discloses a preparation method of the brazing aluminum foil. The high-sag-resistance composite brazing aluminum foil provided by the invention has the advantages that the composite aluminum foil with excellent sag resistance can be manufactured by optimizing the ratio of composite aluminum foil core material alloy and combining a casting, rolling and heating processing technology in a manufacturing method.

The invention relates to an automobile heat dissipation fin aluminum foil prepared from an aluminum alloy XR348. The aluminum alloy XR348 is prepared from the following components: 1.1 to 1.4 weight percent of manganese, 1.0 to 1.2 weight percent of silicon, 0.9 to 1.1 weight percent of iron, 0.8 to 1.0 weight percent of zinc, 0.21 to 0.30 weight percent of zirconium, 0 to 0.05 weight percent of titanium, 0 to 0.03 weight percent of copper, 0 to 0.01 weight percent of magnesium, 0 to 0.03 weight percent of a single unavoidable impurity, 0 to 0.10 weight percent of all unavoidable impurities and the balance of aluminum. The preparation method of the automobile heat dissipation fin aluminum foil comprises a step of performing continuous casting-rolling on the aluminum alloy XR348, so as to obtain the automobile heat dissipation fin aluminum foil. The preparation method disclosed by the invention is short in flow and high in quality; after being subjected to high-temperature soldering, the aluminum foil is extremely high in postwelding strength and high in corrosion resistance; diffusion of silicon atoms on a soldered layer can be prevented, so that the hang-down resistance property of a material is improved; therefore, the aluminum foil and the preparation method which are disclosed by the invention are extremely high in performance.

A porous granular instant building rubber powder and a preparation method thereof. The porous granular instant building rubber powder is characterized by the following raw materials (parts by weight): 50-60 parts of starch, 20-30 parts of polyvinyl alcohol, 10-20 parts of release agent, 3-5 parts of vinyl ester polymer 2-3 parts of acrylate polymer, 1-2 parts of hydroxypropyl methyl cellulose ether, 0.2-0.5 parts of water resistance modifier, and 0.1-0.3 parts of nucleating agent. The invention adopts continuous and high-efficiency kneader pre-reaction and instantaneous graft modification of the rubber powder through a reduced-shrinkage screw compressor to obtain a highly water-absorbing porous granular building rubber powder. The rubber powder has fast water absorption and dissolution, water resistance, fast dispersion and good adhesion, and can be widely used in construction materials such as mortar, putty, tile adhesive, white latex, wallpaper adhesive, polypropylene waterproof membrane adhesive, etc. , can replace the traditional redispersible rubber powder.

The invention discloses an anti-interference buffer type composite optical cable, comprising a main body, a first insulation filling layer, a power line and a control line, wherein the power line is embedded in the main body and arranged at a middle position, the two control lines are arranged at the upper side and the lower side of the power line by taking the power line as a symmetry axis, and the first insulation filling layer fills a gap between the power line and the control lines; the power line is in a shape like a dumbbell, and a cavity is formed inside the power line; the shielding strip is arranged, so that mutual interference between the control line cores can be avoided; and the buffer convex body is arranged, so that better buffer protective effect is realized on the control lines, and the control lines are avoided from being deformed due to strong extrusion. The anti-interference buffer type composite optical cable disclosed by the invention is reasonable in layout and good in insulativity, high temperature resistance, corrosion resistance and flame resistance and also has good anti-pull, compression-resistant and sag-resistant capabilities, so that use security and reliability of the cable are greatly improved.

The invention discloses a high-brightness halogen lamp and production method thereof. The halogen lamp includes a bulb and filament provided in the bulb. The method manufactures the filament in the light emitting regional section as three spiral filaments; and three spiral filaments has favorable anti-sag performance after adopting reasonable heat treating process, so that the filaments do no need any forms of support body, the cooling action of the existing halogen lamp support body to the filaments can be overcome, and the filament brightness can be further improved. The winding method is that the invention is produced by three times of winding of the straight tungsten wire; the filament adopting the structure can increase the working temperature of the filament under equal power to improve the brightness of the invention.

The invention relates to a process for manufacturing the molybdenum based rare earth alloy plate and equipment for manufacturing the same, wherein pure molybdenum powder is simultaneously added with four rare earth oxides of ZrO2, Y2O3, La2O3 and Nd2O3 according to certain ratio, by utilizing the chrematistics of long and large crystal grain and strong sag resistance and anti-creep property of rare earth alloy elements and the dispersion strengthening function, the re-crystallization temperature of the metal molybdenum is increased, the mechanical performances of the molybdenum based material such as tensile property, yielding behavior and extensibility are improved, and the application range of the molybdenum based material is widened; and the manufacturing process comprises production procedures of material preparation treatment, mixing treatment, forming treatment, sintering treatment, material making treatment and the like and the setting of various technical parameters of special technical equipment and process. With the preparation process, the molybdenum based rare earth alloy plate which has the advantages of good electric conductivity and heat conductivity, excellent high-temperature resistance and corrosion resistance and better mechanical performances such as tensile property, yielding behavior and extensibility, and fills in domestic blank and can replace the imported material can be manufactured.

The invention discloses an anti-sagging plasterboard comprising the following components by weight percent: 0.02-0.25 percent of boric acid, 0.4-1.2 percent of starch, 0.2-1.0 percent of glass fiber, 0.04-0.15 percent of foaming agent, 0.01-0.08 percent of borax, 0.05-0.5 percent of paper and the balance of the gypsum. The invention also discloses a method for producing the anti-sagging plasterboard, comprising the following steps: a, making paper into paper pulp solution, dissolving boric acid and borax into the paper pulp solution, and adding glass fiber to the paper pulp solution to form paper pulp mixture; and b, stirring the paper pulp mixture to crushed plaster powder, the starch and the foaming agent, and forming the mixture on a forming platform. The anti-sagging plasterboard has good anti-sagging performance, and the deformation amount of the anti-sagging plasterboard can be controlled between 1.6 mm and 8 mm. In addition, the method for producing the anti-sagging plasterboard well solves the problem that the boric acid, the borax and the glass fiber are associated with plaster crystal, which can not be solved by the dry adding in the prior art.

The invention relates to a preparation method for a transparent thixotropic unsaturated polyester resin and belongs to the technical field of organic high molecule compound preparation. The preparation method includes the following steps that (1) dihydric alcohol, saturated dicarboxylic acid or acid anhydride and unsaturated dicarboxylic acid or acid anhydride are added in a container, and a polycondensation dehydration reaction is performed to obtain a resin A; (2) acrylic ester or a methacrylic ester crosslinking monomer is added in the resin A; (3) after uniformly mixing, fumed silica is added, and a high-speed dispersion is performed; and styrene can be added in the resin A in the step (2). The transparent thixotropic unsaturated polyester resin has the advantages that the thixotropy and sag resistance are good, the appearance transparency of the resin and cured substances with any thickness is high, substrates can be fully protected, and patterns of the substrates can be clearly presented.

The invention relates to an aluminum foil for producing a heat dissipating composite fin for an automobile and a preparation method thereof. The material comprises a core material and leather materials on the upper and lower layers; the aluminum foil for the composite fin is a part of an automobile heat exchanger, the leather materials of the aluminum foil for the composite fin have a lower melting point, the characteristic that the leather materials of the aluminum foil have the lower melting point is adopted for brazing at a certain high temperature, and the the leather materials of the aluminum foil melt when the melting point is reached so as to realize combination of the core material of fin and other components of the heat exchanger. The leather materials are compounded on the upper and lower surfaces of the core material, the core material and the leather materials are continuously cast and rolled to obtain a cast-rolled billet, and compounding is achieved after cold rolling compounding. The preparation method has high production efficiency, high flexibility and high quality, the aluminum foil material coating rate is more stable, and the aluminum foil has the high strength after welding, the excellent corrosion resistance and excellent anti-sagging performance after high temperature brazing; and to sum up, the performance of the prepared aluminum foil for the heat dissipating composite fin for the automobile is excellent.