43results about How to "Maintain metallic luster" patented technology

The invention discloses metal polishing solution, which comprises the following components in percentage by weight: 15-20% of sodium oleate, 2-5% of citric acid, 5-7% of sodium tripolyphosphate, 3-4% of sodium dodecyl benzene sulfonate, 1-2% of 2-(heptadecene)-4,5-dihydro-1H-imidazole-1-ethanol, 8-10% of quartz sand and the balance of water. According to the metal polishing solution disclosed by the invention, greasy dirt and rust spots on the surface of a metal appliance, such as steel, iron, copper and aluminum can be effectively removed, and metallic luster of the appliance is kept and the appliance is bright as new, and the appliance is prevented from being rusted again for more than one year after cleaning one time.

The invention relates to an inhibitor in an aqueous heat exchange medium for La-Fe-Si series room temperature magnetic refrigeration materials, which belongs to the field of functional materials and can significantly improve the corrosion resistance of the La-Fe-Si series room temperature magnetic refrigeration materials in an aqueous heat exchange fluid. The inhibitor consists of the following components in percentage by weight: 0.1 to 10 weight percent of molybdenate, 0 to 5 weight percent of dichromate, 0 to 8 weight percent of nitrite, 0.5 to 3 weight percent of orthophosphate, 0.05 to 2 weight percent of silicate, 0 to 1 weight percent of borate, 0 to 3 weight percent of sodium benzoate, 0 to 0.1 weight percent of zinc sulfate, 0 to 0.5 weight percent of sodium carbonate, and 0 to 10 weight percent of triethanolamine. The inhibitor has the characteristics of a small usage amount, simple using method and high corrosion inhibition efficiency, and can significantly improve the corrosion resistance of the magnetic refrigeration materials after being added into the aqueous heat exchange medium.

The invention discloses a PET (Polyethylene Terephthalate)-PET imitation stainless steel compound colored plate, which comprises a steel plate basic layer and an imitation aluminum stainless steel compound film, wherein the imitation aluminum stainless steel compound film comprises a printing and coloring layer, two PET film layers, a first bonding agent layer and a wire drawing aluminum foil layer; the steel plate basic layer comprises a steel plate and a passivation layer; and the passivation layer of the steel plate basic layer is boned with the PET film layer on the non-wire drawing surface of a wire drawing aluminum foil layer in the imitation stainless steel compound film. The PET-PET imitation stainless steel compound colored plate has the typical metal luster and dense texture of a wire drawing stainless steel plate, and the effect of a high imitation wire drawing stainless steel plate is achieved; a wire drawing aluminum foil is coated inside the PET film layer, so that oxygen can be isolated, oxidation and corrosion are prevented, and the effect of keeping the original metal luster and wire drawing texture for a long time is achieved; and the PET-PET imitation stainless steel compound can be widely applied to the fields of automobiles, refrigerators, washing machines, kitchen equipment and the like.

The invention relates to a special metal cleaning agent for a water-based reactive aluminum product. The special metal cleaning agent is prepared from a surfactant, a solvent, plant oleic acid, triethanolamine, organosiloxane, a corrosion inhibitor, alkyl phosphate, a defoamer 575, a preservative 1227, deionized water and the like. The metal cleaning agent disclosed by the invention is non-toxic, harmless and pollution-free, is harmless to human, is corrosion-free to the surface of the aluminum product, is odorless during long-time use, does not deteriorate, has extremely excellent cleaning and antirusting functions, particularly cleans thick and hard deposited carbon and stubborn stains thoroughly, does not corrode aluminum products of various models and is applicable to ultrasonic machine cleaning, spraying machine cleaning, handed soak rinsing and the like, and the natural antirusting time of workpieces is over 60 days after cleaning.

The invention provides a preparation method of a magnesium alloy surface colorless transparent film which is characterized by mainly comprising the following steps: (1) surface pretreatment; (2) degreasing; (3) water washing; (4) application of nano paint; and (5) baking. In the step (4), the nano paint mainly comprises the following components in percentage by weight: 20-50% of isobutanol, 40-70% of ethylene glycol monobutyl ether and 5-20% of nano sol-gel. Compared with the prior art, the preparation method provided by the invention has the advantages of simple technique, less required equipment and low cost; and the magnesium alloy surface colorless transparent film prepared by the method provided by the invention has the advantages of favorable corrosion resistance, high brightness and low ohmic value of the product surface, and can keep the metallic color and luster of the magnesium alloy.

The invention relates to an environmentally-friendly composite type snow-melting agent and a preparation method thereof. The snow-melting agent is prepared from the following raw materials in parts by weight: 40 to 55 parts of chlorine salt, 45 to 55 parts of organic salt and 1 to 2 parts of a corrosion inhibitor, wherein the chlorine salt is prepared from the following raw materials in parts by weight: 15 to 20 parts of potassium chloride and 25 to 35 parts of ammonia chloride; the organic salt is prepared from the following raw materials in parts by weight: 25 to 30 parts of potassium acetate and 20 to 25 parts of urea; the corrosion inhibitor is one of or a mixture of sodium nitrite and sodium phosphate; and the snow-melting agent is prepared from the following raw materials in parts by weight: 50 parts of chlorine salt, 48 parts of organic salt and 2 parts of a corrosion inhibitor. The snow-melting agent is doped with the corrosion inhibitor; and related corrosiveness tests indicate that the snow-melting agent doped with the sodium phosphate has smallest corrosion effect on metal and can protect the surface of the metal, the metal still can maintain the original metal luster when being soaked into a salt solution, and a good metal corrosion-resistant effect is achieved.

The invention discloses copper wire drawing simulated composite glass. The copper wire drawing simulating composite glass comprises a toughened glass plate and a copper wire drawing simulated composite film layer, wherein the copper wire drawing simulated composite film layer comprises a printing and coloring layer, a PET (Polyethylene Glycol Terephthalate) film layer subjected to wire drawing treatment, a second adhesive layer and a PVC (polyvinyl chloride) film layer; the printing and coloring layer is arranged on the non-wire-drawing surface of the PET film layer; a vacuum aluminizing film layer is arranged on the wire-drawing surface of the PET film layer; the PVC film layer is adhered to the vacuum aluminizing film layer through the second adhesive layer; and one side of the toughened glass is adhered to the printing and coloring layer of the copper wire drawing simulated composite film layer through a first adhesive layer. Another technical scheme is that the PVC film layer is replaced by the common PET film. The copper wire drawing simulating composite glass has bronze metal luster and wire-drawing texture of a wire-drawing copper metal material; the aluminizing film layer is positioned between a PET film and a PVC / PET film, so oxygen can be isolated, oxidation is avoided and the effect of maintaining the original metal luster for a long time is achieved; and the process is simple, the operation is easy and the cost is low.

The invention discloses an imitation aluminum composite membrane comprising a PET (Polyether) membrane layer, an adhesive layer, an aluminum foil layer and a PVC (Polyvinyl Chloride) membrane layer. The imitation aluminum composite membrane is characterized in that: the PET membrane layer and the PVC membrane layer are adhered to two sides of the aluminum foil layer through the adhesive layer (4). In the other technical scheme, the PET membrane layer is used for replacing the PVC membrane layer. According to the imitation aluminum composite membrane provided by the invention, the metallic luster and the texture of aluminum metal materials are integrally kept; meanwhile, the aluminum foil layer is located between the PET membrane layer and the PVC / PET membrane layer, so that the oxygen gas can be isolated, the oxidization is prevented and the effect of keeping the previous metallic luster of the aluminum foil for a long time is achieved; and the imitation aluminum composite membrane can be further compounded on surfaces of cold-rolled sheets, aluminum sheets, zinc-plated sheets and building materials to have the decorative, protective and beautiful functions; and the composition membrane has the advantages of simple process, convenience for operation and low cost.

The invention relates to an inhibitor in an aqueous heat exchange medium for La-Fe-Si series room temperature magnetic refrigeration materials, which belongs to the field of functional materials and can significantly improve the corrosion resistance of the La-Fe-Si series room temperature magnetic refrigeration materials in an aqueous heat exchange fluid. The inhibitor consists of the following components in percentage by weight: 0.1 to 10 weight percent of molybdenate, 0 to 5 weight percent of dichromate, 0 to 8 weight percent of nitrite, 0.5 to 3 weight percent of orthophosphate, 0.05 to 2 weight percent of silicate, 0 to 1 weight percent of borate, 0 to 3 weight percent of sodium benzoate, 0 to 0.1 weight percent of zinc sulfate, 0 to 0.5 weight percent of sodium carbonate, and 0 to 10weight percent of triethanolamine. The inhibitor has the characteristics of a small usage amount, simple using method and high corrosion inhibition efficiency, and can significantly improve the corrosion resistance of the magnetic refrigeration materials after being added into the aqueous heat exchange medium.

The invention discloses a preparation forming technology of an aluminum foil hairline crack film, which comprises the steps as follows: an aluminum foil with thickness ranging from 7 to 20 micrometers and width ranging from 800 to 1400mm passes through acting force points of a hairline crack die roller and a rubber roller, and the hairline crack die roller can squeeze the front side of the aluminum foil; in addition, concave-convex textures are formed on the hairline crack die roller, so that the textures on the hairline crack die roller are pressed on the aluminum foil to form the aluminum foil hairline crack film. The preparation forming technology utilizes the characteristic of no rebound after the forming of the aluminum foil and the principle of specific metallic luster of the aluminum foil to produce the aluminum foil hairline crack film, and the produced aluminum foil hairline crack film achieves special three-dimensional iridescent effect and can be used as a high simulation stainless steel film in the field of household appliance manufacturing.

The invention relates to a silver plating anti-tarnish protectant compound. The protectant compound comprises the following components in percentage by weight: 13 to 15 percent of aliphatic alcohol polyoxyethylene ether, 8 to 10 percent of 1-phenyl-pentasulfhydyl tetrazole, 4 to 5 percent of 2-sulfhydryl benzoxazole, 3 to 5 percent of t-dodecyl mercaptan, 3 to 5 percent of 2-sulfhydryl benzimidazole, 8 to 10 percent of anhydrous ethanol, 8 to 10 percent of ethylene glycol, and the balance of deionized water. The silver plating anti-tarnish protectant compound forms a protective complex film on a silver surface, has a higher corrosion inhibition rate, and obviously improves the sulfidation resistance and abrasion resistance of the silver surface. The silver plating anti-tarnish protectant compound is mainly used for the tarnish prevention of silvered electronic parts and components, and is also applied to the sulfidation and tarnish prevention of silver or silvered jewellery, jewelry, ornaments, artwork, tableware, and the like. The silver plating anti-tarnish protectant compound can effectively protect silvered articles against sulfidation and tarnish in a certain period, keep theoriginal metal luster and has no influence on the conductivity and weldability of the parts.

The invention mainly relates to the technical field of mold machining, and discloses a handling method for improving corrosion resistance of a stainless steel mold. The method includes cleaning, polishing, quenching, nitrogen leaching and packaging. The method is simple and operation is convenient. The cast stainless steel mold is subjected to ultrasonic cleaning, impurities are removed, the stainless steel mold can further be homogenized, and the corrosion resistance of the mold is improved. Low-temperature freezing is conducted at first and then low-temperature polishing is conducted after cleaning. The metallic luster of the stainless steel mold can be maintained, polishing difficulties are lowered, the roughness is lowered to 0.09 microns, and machining efficiency is improved. The temperature is raised quickly after polishing, and then the stainless steel mold is put into a diammonium phosphate solution for quenching. A protective film is formed on the mold surface, and the corrosion resistance of the mold is improved.

The invention discloses a PET-PET (Polyether) imitation stainless steel composite membrane comprising two layers of PET membrane layers, a wiredrawing aluminum foil layer, an adhesive layer and a printing and coloring layer. The composite membrane is characterized in that: the two layers of the PET membrane layers are adhered to two sides of the wiredrawing aluminum foil layer through the adhesive layer; and the printing and coloring layer is also arranged at the outer sides of the PET membrane layers which are located on a wiredrawing surface of the wiredrawing aluminum foil layer. The PET-PET imitation stainless steel composite membrane provided by the invention has special metallic luster and microgroove texture of wiredrawing stainless steel so that the effects of highly imitating the wiredrawing stainless steel are achieved; the aluminum foil treated by the wiredrawing is cladded at the inner parts of the PET membrane layers so that the oxygen gas can be isolated, the oxidation corrosion is prevented and the effect of keeping the previous metallic luster and wiredrawing texture for a long time is achieved; and the PET-PET imitation stainless steel composite membrane can be widely applied to the fields of cars, refrigerators, washing machines, kitchen equipment and the like.

The invention discloses a cleaning antirust agent for a diesel engine casting body and a preparation method thereof. The agent comprises the following raw materials, by mass, 30-40% of an agent A, 40-50% of an agent B, 3-7% of sodium tripolyphosphate, 3-6% of a special surfactant for bubbleless normal temperature spray degreasing, 8-12% of an organosilicon antifoaming agent and 0.5-1% of isothiazolinone, wherein the agent A comprises, by mass, 2-6% of phytic acid, 8-10% of a normal temperature steel surface conditioning agent, 1-3% of ammonium bicarbonate, 3-7% of triethanolamine, 3-5% of polyethylene glycol, 0.6-1.2% of the organosilicon antifoaming agent, and the balance water; and the agent B comprises, by mass, 2-4% of sodium carbonate, 10-20% of sodium nitrite, 10-16% of triethanolamine, and the balance water.

The invention mainly relates to the technical field of machining, and discloses a surface treatment method for a motor case of a washing machine. The method comprises the steps: coarse grinding, fine grinding, washing, and coating. The method is simple, facilitates the operation, enables the roughness to be reduced to 0.13 microns, and enables the surface of the motor case to be smooth and repellent to water. The method enables a person to place the washing machine in a bathroom safely, enables the service life of the motor of the washing machine to be prolonged by 34%-36%, and improves the use performances of the washing machine. The coarse grinding of the motor cause, produced through casting, of the washing machine is carried out at first, so as to reduce the roughness of the motor case and to improve the work efficiency; and then the coarse grinding part is frozen for a long time and then the fine grinding of the coarse grinding part is carried out, so as to reduce the fine grinding difficulty and the heat generated by fine grinding, speed up the grinding speed, and maintaining the metallic luster of the motor case. The temperature of the motor case is quickly increased after fine grinding, and then the motor case is placed in hydrochloric acid solution, thereby achieving the quenching of the motor case, improving the strength and glossiness of the motor case, removing the dirt on the motor case, facilitating the subsequent processing, saving the operations, and improving the processing efficiency.

The invention relates to the field of perovskite materials, and discloses a method for efficiently preparing perovskite microcrystals by a microwave method, and the general chemical formula of the perovskite microcrystals is MA X FA 1－X PB 3 , its preparation method comprises: (1) according to the molar mass ratio between each element of target product, weigh organic component and inorganic component, and organic component and inorganic component are dissolved in propylene carbonate, promptly obtain perovskite (2) Heating the perovskite precursor solution by microwave method, the heating temperature is controlled at 70-130°C, and the heating time is 10-30min; (3) After the reaction is complete, black microcrystals are precipitated, and after filtration and washing Perovskite crystallites were obtained. The present invention adopts the microwave method and a suitable perovskite precursor solvent to heat the inside and outside of the perovskite precursor solution at the same time quickly, uniformly and with low energy consumption, and raise the temperature at the same time, and crystallize evenly, so as to ensure the quality of the crystal and increase the yield .

The invention mainly relates to the technical field of machining and discloses a surface treatment method for a sewage inspection well cover. The surface treatment method for the sewage inspection well cover comprises the steps of polishing, cleaning, quenching and covering with a film. The method is simple and convenient to operate. The inspection well cover is polished after being frozen, so that polishing difficulty and high temperature generated by polishing are lowered, the metal luster of the inspection well cover is maintained and the polishing efficiency is improved; the inspection well cover is heated rapidly after cleaning and then put into a urea solution to perform quenching cooling and a protective film is formed on the surface, so that the corrosion of the inspection well cover is avoided, and the combining capacity of the inspection well cover and the film is improved; the inspection well cover is heated to the original temperature after quenching, so the combining capability of the coating film is improved; the inspection well cover is spray-coated with coating, the coating raw material is rich, safe, non-toxic and strong in adhesion force, so the wear resistance of the film is improved, the antibacterial property, the stability and the wear resistance of the film are enhanced, and the service life of the inspection well cover is prolonged by 23 to 25 percent.

The invention discloses a production method of a zinc-aluminum alloy suitable for a hot-dip galvanized steel pipe. The production method comprises the following operation steps: the zinc-aluminum alloy comprises the following chemical components in percentage by mass: 0.3-0.4% of Al and less than Pblt of impurities; 0.005, Filt, 0.005, Filt; 0.005, Cd < lt >; 0.002, Sn < lt >; 0.002, Cut, 0.002, Cut; 0.002, the balance being Zn; intermediate frequency furnace smelting equipment is used for realizing zinc melting production; a modified vibrating and beating flat hammer is adopted, 4-5 round holes with the diameter phi being 10 mm are drilled in a plate head of the flat hammer, four knotting claws are welded to the working face of the vibrating and beating flat hammer, the temperature curve of an oven is determined to be 0-220 DEG C, and the heating time is 0.5 h; then keeping the temperature at 220 DEG C for 2 hours; the temperature is raised for 0.5 hour at 220-440 DEG C, and then the temperature is kept at 440 DEG C for 2 hours; the temperature is increased for 0.5 hour at 440-660 DEG C, and the temperature is kept at 660 DEG C for 2 hours; the temperature is increased for 0.5 hour at the temperature of 660-880 DEG C, and then the temperature is kept at 880 DEG C for 2 hours; and the temperature of the molten aluminum is further increased to 1050 DEG C, so that the problem of aluminum segregation can be solved.

The invention relates to an alloy-doped gold bonding wire and a cryogenic-treatment preparation method thereof. The alloy-doped gold bonding wire formed by using high-purity gold as a main ingredient and being doped with high-purity silver and high-purity palladium, which is provided by the invention, is prepared from the following ingredients in percentages by weight: 60 to 80 percent of gold, 0.5 to 3.5 percent of palladium and the balance of silver. A bonding wire product has favorable oxidation resistance; an appearance is basically golden; the performance of the product is approximate to that of a pure-gold bonding wire; and the alloy-doped gold bonding wire is suitable for IC (Integrated Circuit) and COB (Chip On Board) encapsulation and high-end LED (Light-Emitting Diode) encapsulation. During the bonding of encapsulation, any gas shield is not needed; and in comparison with a gold bonding wire, the cost of the product is only approximately 3 / 5 to 4 / 5 of that of the gold bonding wire. In the preparation process of the product, the cryogenic treatment is carried out on a bonding wire twice; the arrangement of internal crystal textures of a material is improved; the physical properties of the material are enhanced; and the bonding properties of the alloy-doped gold bonding wire is improved. When the product is used for downstream encapsulation and wire bonding modes are BSOB (Bond Stitch On Ball) and BBOS (Bond Ball On Stitch), a wire stock and a ball are guaranteed to be eutectic.

The invention discloses a surface treatment process of a cast iron product, which comprises spraying a layer of transparent antirust agent on the surface of the cast iron product after performing sand cleaning treatment on the surface, and firing at 165-180°C for 10-25 minutes , maintain the original metallic luster of cast iron, and play a role in preventing cast iron from rusting, the sprayed antirust agent is non-toxic and harmless, meets the requirements of food hygiene standards, and the process is simple to operate, and the obtained products can be used at high temperatures No cracking, no smell.

The invention discloses a polishing solution for a petroleum instrument. The polishing solution is prepared from, by weight, 15-20% of sodium oleate, 2-5% of citric acid, 5-7% of sodium triphosphate, 3-4% of sodium dodecylbenzene sulfonate, 1-2% of OP-10 activating agent, 8-10% of quartz sand and the balance water. The polishing solution has the advantages that oil stain and rust spots on the surface of hardware made from steel, iron, copper, aluminum and the like can be effectively removed, metallic luster of the hardware can be kept, the hardware is bright as new, and the hardware can be prevented from being re-rusted for one year or longer after being cleaned.

The invention relates to environmental protection type soybean oil offset printing metal printing ink. It uses china wood oil / soybean oil low molecular copolymer, alkyl phenol modification xylene formaldehyde resin, and long oil length bean oil / isophthalic acid alkyd resin as main film forming matter which forms printing ink connecting material with soybean oil, low arene high boiling point petroleum solvent, organic alumina gel, and metallic pigment preservative agent 1-amino group octadecane. The printing ink connecting material cooperates with the metallic pigment to make blue-gold, red-gold, blue-red-gold, and aluminium ink according to material constituent weight percentage.