62results about How to "Fast paint removal" patented technology

The present invention is green alkaline paint remover for eliminating coating from electronic circuit board and its preparation and usage, and belongs to the field of paint remover technology. The paint remover consists of NaOH in 40-150 g/L, surfactant in 0.5-50 g/L, additive in 0-50 g/L, corrosion retardant 0.1-2.5 g/L, and water for the rest. It is prepared through mixing and heating at 50-80 for dissolving completely. When the paint remover is used, the electronic circuit board is soaked in the paint remover and heated at 50-100 deg.c for 10-60 min to eliminate its paint layer. The present invention has the advantages of low cost, fast paint eliminating speed, low toxicity, use safety and capacity of being used repeatedly.

The invention relates to a general efficient paint remover and its preparing method. The paint remover is prepared by mixing methylene chloride, methanol, formic acid, resordinol, paraffin, surfactant and corrosion inhibitor according to rated proportion and making then react under a certain condition. It has fast depainting speed, good depainting effect, wide application range, and little corrosion to keelson, and non-combustible and hypotoxicity.

The invention relates to a polyester enamelled wire enamel removing process. The process includes following steps: 1), adding an enamel removing agent into an alkaline liquid tank, heating enamel film treatment temperature of a polyester enamelled wire, wherein the enamel removing agent is a sodium hydroxide and/or potassium hydroxide inorganic alkaline solution of 10-40% in mass concentration; 2), pumping the enamel removing agent in the alkaline liquid tank into the bottom of an enamel removing bucket with a stirring paddle, and placing the polyester enamelled wire to be subjected to enamel removing into the enamel removing bucket; 3), starting stirring after overflowing, and enabling rotating speed to be 30-300 rpm, wherein a shedding enamel film overflows along with the enamel removing agent from an overflowing tank at the top of the enamel removing bucket and flows into a filtering bucket; 4), separating the shedding enamel film from the enamel removing agent in the filtering bucket, wherein the enamel removing agent continues entering the alkaline liquid tank. The invention further relates to a polyester enamelled wire enamel removing device. The polyester enamelled wire enamel removing process and device is convenient to operate, wide in application range, good in enamel removing effect, free of volatilization, little in metal base material corrosion and capable of realizing mass enamel removing.

The invention relates to the technical field of paint removers and especially relates to a glass optical lens paint remover and its preparation and use methods. The glass optical lens paint remover comprises, by weight, 5-20 parts of sodium hydroxide, 1-10 parts of triethanolamine, 5-25 parts of diethyleneglycolmonomethylether, 1-10 parts of N-methyl pyrrolidone and 55-70 parts of water. The glass optical lens paint remover is an alkaline system. In paint removal, the alkaline sodium hydroxide does not react with sodium silicate in glass so that water mist on the glass surface is avoided and paint removal effects are guaranteed. The glass optical lens paint remover is prepared from the raw materials having high boiling points, has good heat stability, can be heated to a high temperature of 70-100 DEG C and is conducive to fast paint removal. The preparation method of the glass optical lens paint remover has simple processes, needs less devices, utilizes easily available raw materials, can be operated easily, has a low production cost and is conducive to general popularization application.

The invention discloses a paint remover which comprises the following components in percentage by weight: 60-80% of dichloromethane, 10-20% of formic acid, 5-15% of ethanol and 3-8% of methanol. The paint remover disclosed by the invention can be used for professionally removing acrylic paint, has the advantages of high paint removal speed, favorable effect, slight corrosion to the substrate, simple raw materials, low cost and simple preparation method, and is suitable for large-scale production.

The invention discloses a biodegradable environmentally-friendly paint remover. The biodegradable environmentally-friendly paint remover is prepared from the following raw materials: a main solvent, a macromolecule solvent, acetic acid, a surface active agent, a thickening agent, a corrosion inhibitor and water. The invention also discloses a preparation method of the biodegradable environmentally-friendly paint remover. The paint remover prepared by the method has the advantages of fast paint removal speed, wide application range, no corrosion and low corrosion to a substrate, no influence on repainting, high boiling point, good stability, operation at a room temperature, simplicity, convenience, practicability and low production cost. The biodegradable environmentally-friendly paint remover is biodegradable and is an environmentally-friendly paint remover.

The invention discloses an electrolytic paint-stripping agent. The electrolytic paint-stripping agent comprises 5-55wt% of a paint-stripping main agent, 8-25wt% of a cosolvent, 3-15wt% of a penetrating agent, 3-5wt% of conductive salt and1-5wt% of a surfactant. The electrolytic paint-stripping agent is high in paint-removing speed, so that an electrophoretic paint film can be quickly removed fromthe surface of a workpiece; the paint-stripping agent does not corrode the workpiece; the paint-stripping agent does not contain toxic and harmful substances and has low toxicity to a human body, so that the personal safety of an operator is guaranteed, treatment on wastewater after paint stripping is simple, and environment friendliness is achieved.

The invention relates to a multifunctional water-based paint stripper. The paint stripper is prepared from the following raw materials: 75-80 parts of dichloromethane, 15-35 parts of ethyl acetate, 2.5-10 parts of methyl cellulose, 7-15 parts of formic acid, 15-35 parts of ethanol, 5-8 parts of corrosion inhibitor, 20-55 parts of paraffin, 2-15 parts of emulsifier, 20-60 parts of water. The paint layers on the surfaces of woods and metals can be effectively stripped through the multifunctional water-based paint stripper, the paint stripping speed is high and the multifunctional water-based paint stripper does not contain formaldehyde, benzene and harmful heavy metals, and thus cannot cause environment pollution and harm to construction workers; compared with the traditional paint stripper on the market, the paint stripper has the advantages of being high in paint stripping speed, incapable of causing secondary harm to a primer, simple in production procedures, low in cost, convenient to use, and the like.

The invention relates to the field of chemical industry paint, in particular to an environment-friendly aqueous paint remover. The paint remover is prepared by mixing and compounding the following components in parts by weight: 25-45 parts of dichloromethane, 7-8 parts of vinyl alcohol, 6-7 parts of propanol, 3-9 parts of methyl cellulose, 7-11 parts of diethyl carbonate, 3-4 parts of a surfactant, 20-24 parts of liquid paraffine, 5-6.5 parts of a thickening agent, 12-14 parts of phosphoric acid, 1-2 parts of sodium nitrite and 12-14 parts of a solvent. The environment-friendly aqueous paint remover disclosed by the invention is high in depainting speed and is unlikely to volatilize; the aqueous paint remover can be directly applied to a painting surface under a normal atmospheric temperature for depainting, and the paraffine for volatilization resistance is contained in the components, so that the paint remover is favorable for renewedly painting workpieces of which the paint films are removed; the paint surfaces of automobiles, electric appliances, furniture and the like can be effectively removed, and the surfaces of metal and wood are not damaged. The paint remover is simple in manufacturing working procedures, is convenient to operate, is low in cost of raw materials, and has no residues, so that the paint remover is suitable for factory type large-scale production.

The invention discloses an aerosol type wax-free paint remover. A formula of the aerosol type wax-free paint remover comprises the following components in parts by weight: 16.0 to 24.0 parts of an environment-friendly high-boiling-point solvent AGSE, 2.0 to 6.5 parts of solvent oil, 0.8 to 3.6 parts of ethylene glycol monophenyl ether, 2.0 to 4.0 parts of propylene glycol monomethyl ether, 26.0 to40.0 parts of dichloromethane, 5.0 to 12.0 parts of methanol, 2.0 to 9.0 parts of formic acid microcapsules, 1.5 to 3.5 parts of a thickening agent and 12.0 to 26 parts of a propellents. With adoption of the technical scheme, the paint remover has the following advantages: 1, a low-boiling-point solvent and a high/medium-boiling-point solvent are compounded to cooperatively reduce the volatilization speed rate and achieve extremely high dissolving power and penetrability; 2, by dual formic acid microcapsulation, a tank body is prevented from being corroded by formic acid, a paint removing effect is enhanced; and the stability of the product is improved; 3, the thickening agent is added to retard product loss and increase the utilization rate of the product, and no wax is contained, so that influence on recoating after complete flushing is eliminated; 4, by vaporization heat absorption of the propellents, the surface temperature of a workpiece is reduced, the volatilization speed of the product is low, and the characteristics of flexibility and convenience for construction and good atomization are achieved.

The invention discloses a water-soluble paint peeling agent. The water-soluble paint peeling agent comprises 5 to 60wt percent of a paint peeling main agent, 5 to 30wt percent of a solubilizing assistant, 3 to 15wt percent of a penetrant, 3 to 5wt percent of a dispersant, 1 to 5wt percent of a surfactant, and water for the surplus. The water-soluble paint peeling agent is high in paint peeling speed, can rapidly remove electrophoretic paint films on the surfaces of work pieces, does not corrode the work pieces, does not contain toxic and harmful substance, has little toxicity to human body, guarantees the personal safety of operating personnel, and ensures that waste water subjected to paint peeling is simple to treat and environmentally friendly.

The invention discloses a low-volatile low-toxicity paint remover. The low-volatile low-toxicity paint remover is prepared from components including, by weight, 50 parts of N-methylpyrrolidone, 30 parts of dimethyl carbonate, 10 parts of dimethylformamide, 7 parts of a thickener, 5 parts of sodium dodecyl benzene sulfonate, 20 parts of dichloromethane and 15 parts of sodium hexametaphosphate. The low-volatile low-toxicity paint remover is simple in raw material, low in cost, quick in paint removal, good in effect, low in toxicity and capable of being used for removal of epoxy paint, organosilicon and amino baking varnish coatings.

The invention discloses a paint remover. The paint remover is prepared from the following raw materials in parts by weight: 2-4 parts of sodium pyrophosphate, 2-5 parts of triethanolamine, 4-7 parts of chitosan, 2.2-3 parts of a stabilizer, 4.2-5.6 parts of tripoly sodium silicate, 3.5-5.6 parts of zinc chloride, 4-5 parts of sodium gluconate, 5-8 parts of sodium carbonate, 4-6 parts of ethyl alcohol, 7-14 parts of sulfamic acid, 2-4 parts of aluminum silicate fibers, 8-14 parts of dichloromethane, 3-4 parts of a surfactant, 5-7 parts of boric acid, 2-6 parts of ethylene glycol monobutyl ether, 5-8 parts of isopropanol and 3-7 parts of carbinolamine. The paint remover provided by the invention has the beneficial effects that the paint remover is high in paint removing speed, high in efficiency, short in cleaning time, so that energy is saved, and work efficiency is improved effectively; moreover, the paint remover is non-toxic.

The invention discloses a paint remover. The paint remover comprises the following raw materials in parts by mass: 6-8 parts of ethylene glycol, 5-6 parts of potassium chloride, 3-5 parts of acetic acid, 60-70 parts of dichloromethane, 5-10 parts of toluic acid, 2-4 parts of triacetate fiber, 3-5 parts of lime, 1-2 parts of paraffin and 2-4 parts of distilled water. The paint remover has the characteristics of simple raw material, low cost, and fast paint removing speed and good paint removing effect, and can be used for removing epoxy resin paint, organic silicon and amino baking paint coating.

The invention relates to the field of chemical coating and particularly relates to a novel low-volatile paint remover. The novel low-volatile paint remover comprises the following components in parts by weight: 70-80 parts of a phenyl substituted alkanol, 2-3 parts of a thickener, 2.5-4.5 parts of a surfactant, 2-3 parts of a coalescing agent, 12-14 parts of diethyl carbonate, 6-9 parts of vinyl alcohol, 0.01-0.05 part of a corrosion inhibitor, 1.5-2.5 parts of a mildew preventive, 20-40 parts of paraffin and 40-60 parts of a solvent. The novel low-volatile paint remover provided by the invention is fast in paint removal speed and hard to volatilize, and can be directly smeared on a paint surface to remove the paint; the component comprises volatilization-preventing paraffin, so that a workpiece without a film is re-coated; the paint remover is simple in preparation step, convenient to operate and low in price of raw materials and suitable for industrial scaled production.

The invention discloses enameled wire recovery equipment, and relates to the technical field of metal wire recovery. The enameled wire recovery equipment comprises a frame, a connecting shaft is rotationally connected to the top of the frame, a driving wheel is fixedly connected to one end of the connecting shaft, a Z-shaped frame is arranged on the side, close to the driving wheel, of the connecting shaft, a swing frame is rotationally connected to the center of the Z-shaped frame, a push-pull rod is movably connected to the bottom of the swing frame through a universal joint, a movable blockis rotationally connected to the outer end of the push-pull rod, guide rods are slidably connected to the two sides of the movable block correspondingly, a paint removing box is fixedly connected tothe front face of the movable block, and a wire winding frame is slidably connected into the paint removing box. The enameled wire recovery equipment solves the problem that an existing enameled wirecoil is directly subjected to chemical depainting, consequently the depainting effect is poor, and consumed time is long; and the problem that for mechanical scrapping, mechanical damage such as enameled wire abrasion and wire breakage is prone to be caused due to excessive force application, and meanwhile, personnel are prone to injury if improper using occurs.

The applicant of the invention provides a green environmentally friendly efficient paint removal cream. The green environmentally friendly efficient paint removal cream comprises the following raw materials in parts by weight: 35-50 parts of dibasic ester, 8-16 parts of dipropylene glycol monomethyl ether, 4-9 parts of phenylcarbinol, 12-26 parts of water, 0.2-2 parts of benzotriazole, 2-6 parts of formic acid, 2-6 parts of boric acid, 5-15 parts of ethyl alcohol, 0.2-1.2 parts of NP-10, 1-5 parts of sodium gluconate, 0.01-5 parts of hydroxyethyl methyl cellulose, and 0.05-1 part of polyepoxysuccinic acid. The paint removal cream is a cream, is directly applied on a matrix where a patient is to be removed, and does not flow down to affect the construction operation and the environment; and besides, the paint removal cream is water soluble, is safe and environmentally friendly, and is high in paint removal efficiency.