721 results about "Rust remover" patented technology

The invention discloses a neutral oil removal rust remover, which is mainly prepared from deionized water and the following components by mass fraction: 4-8% of physical dispersing agent, 8-10% of chemical chelating agent, 4-6% of oil-removing emulsifier and 1-4% of corrosion inhibitor. The preparation method disclosed by the invention comprises the following steps: firstly, preparing the components according to the proportioning requirements; weighting the ingredients in the chemical chelating agent to put into a container; adding the deionized water to evenly agitate, so as to obtain a solution A; adding the physical dispersing agent and the corrosion inhibitor to the solution A; agitating to obtain a solution B; additionally, adding the prepared components of the oil-removing emulsifier to the container; adding the deionized water to dissolve; adding a functional additive to obtain a solution C; and evenly mixing the solution B with the solution C under the agitation condition to obtain the neutral oil removal rust remover. By adopting the product disclosed by the invention, the oil and rust removal work can be quickly and efficiently finished, and the neutral oil removal rust remover is free of damage to a substrate.

The invention discloses a neutral phosphorus-free rust remover used for sheet metal rust removal. The neutral phosphorus-free rust remover is composed of, by weight: 10-35% of a complexing agent, 5-15% of an organic acid, 1-10% of a surfactant, 5-10% of an inorganic salt, 1-5% of a metal corrosion inhibitor, 3-12% of a pH regulator, and the balance deionized water. Compared with the prior art, the neutral phosphorus-free rust remover provided by the invention has the advantages of low cost, energy consumption saving in room temperature use and no environmental pollution, and can improve the workpiece's anti-rust problem caused by the workshop environment or too long process turnover time.

The invention relates to a metal degreasing and rust removing agent, in particular to an environment-friendly type steel degreasing and rust removing agent, which belongs to the technical field of chemical industry. It includes hydrochloric acid, oxalic acid, surfactants, complexing agents, and corrosion inhibitors. The content of hydrochloric acid is the main factor affecting rust removal. The addition of oxalic acid can significantly reduce acid mist. Surfactants have the functions of degreasing and fog suppression. Due to the synergistic effect of each component of the formula, the process has the characteristics of normal temperature, rapidity, high efficiency, and environmental protection.

The invention discloses an environment-friendly rust remover, comprising the following raw materials in parts by weight: 15-30 parts of organic acid, 5-15% of glycerin, 0.1-2 parts of dextrin, 0.5-10 parts of sodium molybdate, 0.5-2 parts of phosphoric acid, 45-70 parts of water and 0.05-0.1 part of SI-1 additive. The organic acid used in the invention is any one of citric acid, tartaric acid, malic acid, chlorogenic acid, oxalic acid, benzoic acid, salicylic acid and caffeic acid. The invention improves the traditional formula, the manufacturing process is advanced and the manufacturing method is simple, rapid and efficient. The invention overcomes the shortcoming that the existing rust removers pollute the environment, and the rust remover not only has good rust removing function, but also has excellent rust prevention function.

The invention belongs to the technical field of metal surface rust removal and prevention, and particularly relates to a neutral rust removal and prevention agent, a preparation method and an implementation process. The neutral rust removal and prevention agent is prepared from, by weight, 10-20% of hydroxy ethidene diphosphate, 3-10% of a pH alkaline regulator, 0.2-1% of a complexing agent, 0.3-0.9% of a chelating agent, 0.1-0.5% of a dispersing agent, 5-10% of a rust remover and the balance water. The pH value of the neutral rust removal and prevention agent is 6-7. In general, the product preparation process is simple, preparation is easy, the raw materials are easy to obtain, the cost is low, efficient and thorough oil and rust removal work can be carried out in a neutral solution within a short time, no damage is caused to a base body, and the neutral rust removal and prevention agent has high industrial applicability and economical efficiency and has a wide application prospect in the corrosion prevention field in the medical instrument, fine workpiece, connector and bearing workpiece pretreatment and industrial equipment using process.

The invention discloses a waterborne multifunctional coating and a preparation method thereof, relating to the field of coatings. The invention provides the waterborne multifunctional coating which comprises the following components in parts by weight: 80-120 parts of water, 8-12 parts of propylene glycol, 1-2 parts of a wetting dispersant, 5-10 parts of a dispersant, 5-8 parts of a multifunctional auxiliary agent, 2-4 parts of a defoaming agent, 1-2 parts of a preservative bactericide, 150-200 parts of rutile type titanium dioxide, 30-100 parts of an antirust pigment, 500-650 parts of waterborne acrylic emulsion, 50-70 parts of a film coalescing aid, 10-20 parts of wax emulsion, 10-30 parts of a flash rust remover, 5-10 parts of a hydrophobic modified alkali swelling thickening agent and 5-10 parts of a polyurethane type thickening agent. The waterborne multifunctional coating prepared by the method disclosed by the invention has the advantages of being non-toxic, harmless, pollution-free, high in hardness and the like.

The invention provides an environment-friendly neutral rust remover. The environment-friendly neutral rust remover is prepared by, by weight, 10-15 parts of organic acid, 20-40 parts of chelating agent, 10-30 parts of corrosion inhibitor, 30-60 parts of penetrating agent, 30-70 parts of triethanolamine, 10-20 parts of nonionic surfactant and 100-150 parts of deionized water. The environment-friendly neutral rust remover has the advantages that product precision after rust removing is increased, operation process flow is simplified, easy rust removing is achieved, harm to the health of operation staff during use is reduced, pollutant emission is reduced, energy conservation and environment protection are achieved, and fast rust removing is achieved.

The invention discloses a medical apparatus rust remover, and belongs to the technical field of fine chemical engineering. The rust remover is characterized in that the rust remover includes, by mass, 5-30% of an inorganic acid component, 0.5-5% of an organic acid component, 0.2-1% of a surfactant component, 0.01-0.05% of a perfume component, 0.10-0.20% of a solvent component I, and the balance solvent component II. The rust remover is a colorless, transparent, mild and weakly acidic liquid, having a pH value of 2-3, has stable performances and a mint smell, is suitable for removing floating rust, rust deposits and rusty spots of stainless steel, carbon steel, cast iron, metals of copper and the like, and alloy material apparatuses of the metals, and does not damage or corrode the materials of the above apparatuses. The components contained in the rust remover are weakly toxic to aquatic organisms, and the rust remover can be directly discharged without environmental harms.

The invention discloses a steel environmental rust remover. The rust remover comprises the following components by weight percentage: 10-50 % of organic phosphonic acid, 5-10 % of citric acid, and 3-5% of surfactant, with the balance being water. The surfactant is one of TX-10 and FMEE or a mixture of both. By adopting the technical solution of the invention, good rust removing effect can be achieved, the rust removing process is gentle and does not damage the surface of a steel article, and the use and manufacturing cost is low.

The invention discloses an epoxy ester dip-coating water based paint and a preparation method thereof, and belongs to the technical field of water based paints. The epoxy ester dip-coating water based paint is prepared by proportioning a base material, an auxiliary and a pigment filler according to weight percentage, wherein the base material is prepared from 30 to 35 percent of water based epoxy ester resin and 5 to 10 percent of a water based acrylic emulsion; the auxiliary is prepared from 3 to 6 percent of a cosolvent, 0.5 to 1 percent of a dryer, 1 to 2 percent of a neutralizer, 30 to 35 percent of deionized water, 0.5 to 2 percent of a wetting dispersant, 0.1 to 0.5 percent of a defoaming agent, 1 to 2 percent of a flash rust remover, 1 to 3 percent of a thickener and 1 to 3 percent of an anti-settling agent; the pigment filler is prepared from 8 to 12 percent of heavy metal-free black pigment and 5 to 10 percent of composite zinc phosphate. The water based paint is low in carbon content and environment-friendly; the problems of low storage stability, low salt fog resistance, low water resistance and low epoxy ester paint drying speed of the existing water based dip-coating paint can be solved; meanwhile, the shortcomings that the dip-coating paint is not liable to coat, cannot be hung at corners and has sagging and pilled-in selvedge are also overcome.

The invention relates to an environmental-protection heavy-duty anticorrosive coating, and a preparation method and a coating method thereof; the anticorrosive coating includes an epoxy resin emulsion, silicon dioxide hollow microspheres, a silane coupling agent, a flash rust remover, an anti-settling agent and a curing agent, wherein the mass ratio of the epoxy resin emulsion to the silicon dioxide hollow microspheres to the silane coupling agent to the flash rust remover to the anti-settling agent to the curing agent is 100 to (1-10) to (0.5-2) to (0.1-1) to (1-5) to (10-20). The coating does not contain volatile organic small molecules, is non-toxic and environmentally friendly, and is simple in preparation process and low in cost; and an obtained anticorrosive coating layer has good physical properties and excellent corrosion resistance.

The invention relates to a steel pipe painted with polythene and manufacturing method and mobile production line. A drum type rust remover, a drum type threading machine, a drum type spray coater, a drum type winding machine, a drum type cooling fan, a drum type dust removing threading machine, and a drum type spray winding machine are connected in turn to form the mobile production line. At a pipe laying site, a steel pipe in turn enters the drum type rust remover, the drum type threading machine, the drum type spray coater, the drum type winding machine and the drum type cooling fan, and makes helical movement under the support of a feeding wheel and a supporting roller in a rotating drum body. The steel pipe is heated through a high-frequency induction heating method, and rust spots are removed from the external surface of the steel pipe through a mechanical method and the steel pipe is threaded also through a mechanical method, the epoxy powder spray coater is used to spray epoxy powder to the external surface of the steel pipe, the epoxy powder and a composite polythene cold adhesive tape are heated indirectly through the high-frequency induction heating method and the cold adhesive tape is turned into a composite polythene hot adhesive tape, and through a mechanical winding method, the composite polythene adhesive tape is applied onto the epoxy powder layer to produce the steel pipe painted with polythene.

The invention discloses a formula of a neutral rust remover used for rust removal of plates, and the process thereof. By utilizing the formula of the neutral rust remover, the plate is soaked for 2 to 10 min and then rust removal treatment is performed at room temperature and under the environment that PH value is 5 to 7; the neutral rust remover solution per unit volume comprises the following solutes: 0 to 20 ml/L of OP-10, 0 to 30 g/L of sodium silicate, 0 to 30 g/L of thiourea, 5 to 20 g/L of tartaric acid, 0 to 10 g/L of sulfamic acid, and 0 to 30 g/L of citric acid. The neutral rust remover has the advantages that the cost is low, the neutral rust remover can be used at normal temperature, is not easy to generate acid mist and is friendly to both the human body and the environment; furthermore, no damage is caused to the zinc layer on the surface of the plate, and the operation is simple.

The invention discloses a neutral rust remover and relates to the technical field of metal surface rust removal. The neutral rust remover is prepared from, by weight, 130-170 parts of hydroxy ethidenediphosphonic acid, 1-3 parts of sodium chloride and/or potassium chloride, 0.4-1.6 parts of potassium oxalate 0.4-1.6 parts of formic acid, 0.4-1.6 parts of phytic acid, 1-3 parts of citric acid, 0.4-1.6 parts of ethylenediaminetetraacetic acid and 3-7 parts of organic amine ester TPP. The invention further discloses a preparation method of the neutral rust remover. By the adoption of the neutralrust remover and the preparation method, the rust removal speed under the normal temperature is high, the rust removal effect is good, and secondary rusting time is long; meanwhile the rust remover is neutral, free of damage to a base body and free of influence on strength and ductility and malleability of metal; and all the components are environmentally-friendly, free of toxin, smoke and pungent odors, free of pollution to the environment and free of harm to the human body.

The invention discloses preparation and application of a neutral non-phosphorus rust remover. The rust remover mainly comprises a chelating agent, a polymer, a corrosion inhibitor, a penetrant, a pH regulator, water and an assistant, and can be applied to phosphorization, chromizing and silanization of coating pretreatment of steel and iron workpieces or zirconium pretreatment and rusty workpiece derusting procedure before chemical conversion coating treatment. According to the rust remover, treatment time is flexible, the rust remover is utilized at the normal temperature, does not need to be heated, can be utilized for treatment in a spraying or impregnation manner, does not contain hazardous substances like phosphorus, and is low in residues and free of scales, after rust removing, a solution is low in bubble and scale, maintenance of a bath solution is simplified, residues and scales are not liable to adhere to the workpieces and pollute the workpieces, the pH of a treating fluid is neutral, workpiece matrixes and operation equipment are not corroded and damaged, the workpieces have good corrosion inhibition and rust protection performance after treatment, and the rust protection problem of the workpieces during the transfer process is solved.

The invention discloses an electric impeller blasting deruster of pipe internal wall, using over all structure of electromechanical integration operating dolly type, which includes five portions of a walking system, a sealing system, an impeller blasting system, a sand sweeping system and a dedusting system, and is a special machine for automatic derusting of self sealing, self sand sweeping and self supplying sand steel tube internal wall. Comparing to prior art at home and abroad, main advantages of the deruster are that it changes the history of single establishing the derusting line for former impeller blasting deruster, and the invention can complete on-line derusting operation mating with various anti-corrosive operations, also can use alone for derusting on-scene construction, capable of realizing cycle use by adding sand at one time, with good effect and quick speed of derusting, good sealing and without environmental pollution, and the machine per se has compact structure, convenient and flexible conveying and operating, and low cost, capable of greatly reducing operation cost of derustering for steel pipe internal wall.

The invention discloses non-corroding ultrasonic cleaning equipment. A rust remover for ultrasonically cleaning a metal mould is used for rapidly and completely removing rusts on the surface of the metal mould, generating a dense and complete passivation film at the same time and avoiding a secondary oxidization. The rust remover is prepared from the following raw materials by mass percent: 8-30% of phosphoric acid, 6-25% of room-temperature steel surface conditioning agent, 1-4% of citric acid, 1-5% of tartaric acid, 1-4% of phytic acid, 1-8% of polyethylene glycol, 1-3% of penetrant JFC, 1-6% of ethylene glycol monobutyl ether and the balance of water. A preparation method of the rust remover comprises the following steps of: firstly, adding water with a calculated amount into a stainless steel reaction kettle, starting an agitator and controlling a rotary speed of the agitator to 40-60 r/min; then respectively taking the calculated amount of the phosphoric acid, the room-temperature steel surface conditioning agent, the citric acid, the tartaric acid, the phytic acid, the polyethylene glycol, the JFC and the ethylene glycol monobutyl ether and sequentially and slowly adding the materials into the reaction kettle; and adding the materials while agitating until the solution becomes a light-green transparent liquid.

The invention discloses a maintaining device for a mold. The maintaining device comprises a shell. A working panel is arranged in the shell, and a first sliding block is arranged at the top of the inner wall of the shell. A lifting seat is arranged at the bottom of the first sliding block, and dust blowing devices are arranged on the two sides of the lifting seat correspondingly. A side block is arranged on one side of the inner wall of the shell, and a smearing device is arranged on the other side of the inner wall of the shell. A fixing seat is arranged at the top of the working panel, and the side block and the smearing device are both arranged at the top of the fixing seat. A water storage chamber is formed in the top of the shell. By arranging the fixing seat and a pressing plate, a sixth electric push rod pushes the pressing plate to move, and thus the mold needing to be maintained can be fastened from the side face and is ground from the top conveniently; and by forming a liquidstorage chamber and the smearing device, a rust remover can be sprayed to the portion, needing to be ground, of the mold through a liquid spraying head at the bottom of the liquid storage chamber before grinding, the grinding and dust removing efficiency is improved, the mold is smeared through lubricating oil in an oil storage chamber after grinding, and the anti-oxidation effect is achieved.

The invention provides a thiourea compound rust remover and rust removal paste for protecting silverware and gilded silverware. The rust remover comprises of thiourea 0.9-1.1 mol/l and ferric sulfate of 0.01-0.015 mol/l and has the pH value of 1-2. The rust removal paste is prepared by adding 1.6-1.8 g of gelatin and 9-10 g of diatomite in 10 ml of rust remover with uniformly stirring and has the pH value of 2-3. The rust remover can be used in concert with the rust removal paste for removing black corrosion on the ancient silverware and gilded silverware surfaces with good effect. The rust remover and the rust removal paste accord with the protecting principles of cultural relics, such as no change of original states of cultural relics and minimal intervention, and don't cause physical damage.

The invention discloses a rust remover for mechanical equipment and a preparation method of the rust remover. Aiming at the defects existing in an existing rust remover for mechanical equipment, the rust remover is prepared from triethylene diamine, sodium dodecyl sulfate, a cosolvent, an anionic surfactant, polyethylene glycol, an antibacterial agent, a corrosion inhibitor, a brightener, a stabilizer, an antioxidant and water according to a certain preparation method. The rust remover for the mechanical equipment disclosed by the invention has strong property of quickly removing rust from mechanical parts, and also has good surface polishing property and surface protecting property. In addition, after being cleaned, the rust remover has strong secondary antirust function, overcomes the problem of a traditional cleaning agent which causes damage or corrosion to the mechanical equipment surface, and thus the rust remover disclosed by the invention has strong practicability.

The invention relates to a surface processing device with rust remover convenient to completely remove rust for a drill stem. The surface processing device with the rust remover convenient to completely remove the rust for the drill stem comprises a cylinder body matched with the outer wall of the drill stem, the cylinder body is composed of two self-arc clamping blocks matched with each other, the ends of the clamping blocks are provided with movable plates matched with each other, the ends of the clamping blocks are connected through a spindle, and the two ends of the inner side, in the axial direction, of each clamping block is provided with a fixed piece; the sides, opposite to each other, of the two fixed pieces on a same clamping block are provided with a groove, a scouring pad is fixed to the inner side of one clamping block, a scraper board is fixed to the inner side of the other clamping block, multiple blades are arranged on the inner side of the scraper board, and the end, far from a movable plate, of the clamping block which is provided with the scouring pad is provided with a liquid cylinder where the rust remover is placed. According to surface processing device with the rust remover convenient to completely remove the rust for the drill stem, the cylinder body formed by the two clamping blocks can rotate around the outer wall of the drill stem, the first cleaning is conducted on the outer wall of the drill stem through the blades, and the second cleaning is conducted on the rust of the outer wall of the drill stem through the mutual friction between the scouring pad and the outer wall of the drill stem, and therefore the processing efficiency is high, and the problem of high polish cost is avoided.

The invention belongs to the field of steel rust removers, and discloses an environment-friendly steel rust remover and a preparation method thereof. The environment-friendly steel rust remover and the preparation method thereof are used for solving the technical problems that an existing steel rust remover is prone to re-rusting, long in rust removal time and high in cost and pollutes the environment. The rust remover is composed of citric acid, oxalic acid, phosphoric acid, sodium alkyl benzene sulfonate, an emulsifier, a corrosion inhibitor and deionized water, or composed of citric acid, oxalic acid, phosphoric acid, sodium alkyl benzene sulfonate, an emulsifier, a corrosion inhibitor, an anti-freezing agent and deionized water. The preparation method includes the steps that 1/2 of water is added into a reaction still; the phosphoric acid, the citric acid, the oxalic acid, the sodium alkyl benzene sulfonate, the corrosion inhibitor and the emulsifier (or the phosphoric acid, the citric acid, the oxalic acid, the sodium alkyl benzene sulfonate, the corrosion inhibitor, the anti-freezing agent and the emulsifier) are sequentially added with stirring at the speed of 100-150 revolutions per minute; the remaining water is added; and the mixture is stirred at a constant speed till complete dissolution. The environment-friendly steel rust remover is applied to steel rust removal.

The invention relates to a rust remover for steel precise components and a rust removing technology. The rust remover is composed of the following compositions in percent by weight: 15% of chromic anhydride, 15-17% of phosphoric acid, 1-1.2% of sulfuric acid and 66.8-69% of water. The rust removing technology comprises: immersing a steel precise component subjected to cleaning and oil removing into a solution of the rust remover, heating to 80-90 DEG for about 30-40 min; taking out and flushing with tap water for 1 min, and then immersing in a sodium carbonate aqueous solution with a concentration of 0.5% for about 5 min; taking out and immersing in a passivating solution composed of a sodium nitrite aqueous solution with a concentration of 10% and a sodium carbonate aqueous solution with a concentration of 0.5% according to a ratio of 50%:50%, heating to 80-90 DEG C for about 5-10 min; and taking the steel precise component out from the passivating solution, and flushing with tap water, wiping to dry and sealing with oil. The beneficial effects comprise that the technology is simple, and the rust remover has no any influence on dimension, shape, surface glossiness and precision on the steel precise component, and is good in ruse removing effect.

The invention discloses a steel surface treating agent and a preparation method thereof. The preparation method comprises the following steps: adding a rust remover, potassium chlorate, sodium chlorate, a corrosion inhibitor, a surfactant, zinc nitrate and peregal in deionized water, adding zinc oxide after mixing uniformly, and mixing uniformly again for standby application, wherein the raw materials in the steps in percentage by weight are as follows: 0.1-0.5% of zinc oxide, 0.1-1% of potassium chlorate, 10-40% of a rust remover, 1-5% of peregal, 0.1-2% of zinc nitrate, 0.5-10% of a corrosion inhibitor, 0.1-1% of sodium chlorate and 1-6% of a surfactant; the deionized water is added to 100%. The steel surface treating agent integrates the functions of oil removal, rust removal, oxide layer removal and phosphorization, is particularly suitable for the metals obtained after hot rolling process, and is simple in treating process, low in labor intensity, low in treating cost, remarkable in rust removal effect, long in holding time and pollution-free to environment.