68results about How to "Good paint removal effect" patented technology

This invention concerns a composition useful as a paint remover, comprising: alkylene carbonate such as propylene carbonate or ethylene carbonate, hydrogen peroxide, and water, and optionally an alcohol such as benzyl alcohol. In another broad respect, this invention concerns a process for removing paint, comprising: applying a composition containing alkylene carbonate, hydrogen peroxide, and water to a painted surface for a time and under conditions effective to cause blistering or bubbling of the paint. In another broad respect, this invention is a composition useful as a paint remover, comprising: dialkyl carbonate, hydrogen peroxide, and water, optionally containing an alcohol, optionally containing a glycol ether. In another broad respect, this invention is a process for removing paint, comprising: applying a composition containing dialkyl carbonate, hydrogen peroxide, and water to a painted surface for a time and under conditions effective to cause blistering or bubbling of the paint.

The invention relates to a device for removing laser paint and an application method thereof. The device comprises a laser generator, a supporting platform seat, a moving platform, an overturning mechanism, an automatic camera positioning system, an industrial control computer, a laser power supply and a two-dimensional galvanometer scanning system. The invention is characterized in that the moving platform is provided with a station overturning mechanism, and the side surface of the moving platform is provided with the automatic camera positioning system; a cross beam of the supporting platform seat is provided with an X-Y axis galvanometer scanning unit and a laser generator; and the industrial control computer is respectively connected with the laser generator, the X-Y axis galvanometer scanning unit and an overturning platform controller (PLC) by cables. The invention has compact structure, automatic and accurate positioning, high working efficiency and the like, and can be widely applied in the fields of removing the paint of a semi-finished product of a solid electronic component. The invention relates to the application method for removing laser paint, which adopts an overturning and position-switching mechanism to realize the removing of a paint layer of pins of the electronic component.

A thickened composition and process useful for removing paint, comprising: a carbonate such as propylene carbonate or ethylene carbonate, a thickener such as polyvinyl pyrrolidone (PVP), hydrogen peroxide and water. The composition may include additional cosolvents such as glycol ethers and alcohols such as benzyl alcohol, and/or dibasic ester (DBE).

The invention discloses an enameled flat copper wire enamel stripper which comprises a mechanical driving device, and further comprises two enamel stripping wheels. The enamel stripping wheels comprise a first enamel stripping wheel and a second enamel stripping wheel; the first enamel stripping wheel and the second enamel stripping wheel are respectively driven by the mechanical driving device; the surfaces of the first enamel stripping wheel and the second enamel stripping wheel are rough, and the enameled flat copper wire is placed into a gap between the first enamel stripping wheel and the second enamel stripping wheel. The enameled flat copper wire enamel stripper has the advantages that the enameled flat copper wire is placed into the gap between the first enamel stripping wheel and the second enamel stripping wheel, under the high-speed rotation of the mechanical driving device, the first enamel stripping wheel and the second enamel stripping wheel with rough surfaces cause the two sides of the enameled flat copper wire to be rubbed by the rough surfaces so as to strip enamel on the enameled flat copper wire, which greatly improves the work efficiency, and needs no chemical liquid medicine as needed in the conventional technology, and avoids the damage to human body or environment, avoids the corrosion influence caused by the chemical liquid medicine on the copper wire body, and improves the product quality.

The invention discloses a novel powerful paint remover capable of removing paint on surfaces of oilfield oil pipelines and paint on surfaces of other equipment efficiently. The preparation process comprises the steps of: taking dichloromethane, benzyl alcohol, ethyl acetate, ethylene glycol monobutyl ether, paraffin, ethanol, lactic acid, formic acid, urotropine, JFC and OP-10 according to weight parts; stirring the JFC, the OP-10, the benzyl alcohol, the ethyl acetate, the ethylene glycol monobutyl ether, the paraffin, the ethanol, the lactic acid, the formic acid and the urotropine in a reaction kettle at a temperature of 45-50 DEG C for 1.5-2 hours until the paraffin is completely dissolved; adding the dichloromethane and stirring for 20-30 min; and stirring uniformly in the reaction kettle to obtain the paint remover. The invention provides a paint remover which can efficiently remove old and shabby paint films on surfaces of various mechanical equipment and paint on surfaces of mechanical equipment, such as paint on metal surfaces of airplanes, paint on surfaces of train wheels and the like, brings convenience for fault detection and recoating on metal materials, has no damage to metal and wood surfaces, and has excellent paint removal performance.

The invention discloses an enameled wire varnish remover which is prepared from the following components in parts by weight: 835-865 parts of dichloromethane, 77-83 parts of methanol, 6.7-7.3 parts of organic glass chips, 17-23 parts of nitric acid, 4.5-6.5 parts of liquid paraffin and 37-43 parts of cyclic polydimethylsiloxane. Being adopted to remove the varnish of the enameled wire, the enameled wire varnish remover of the invention has the advantages of convenient operation, time and labor saving, clean and thorough varnish removal, ideal varnish removal effect and low cost.

The invention discloses a paint remover for color-coated steel plates and a using method thereof. The paint remover comprises the following compositions in percentage by mass: 60 to 89 percent of alcamines compound, 10 to 35 percent of phenolic compound and 1 to 8 percent of corrosion inhibitor. The alcamines compound is one or a mixture of more of ethanolamine, diethanol amine, triethanolamine and isopropanolamine; the phenolic compound is one or a mixture of phenol and cresol; and the corrosion inhibitor is alcohol or carbohydrate, and is one or a mixture of more of sorbitol, xylitol, mannite, sucrose, glucose, maltose or dextrin. When the paint remover is used, the prepared paint remover is heated to a boiling state. Compared with the prior paint removers, the paint remover has good paint removal effect, is suitable for removing epoxy, polyester, high-performance polyester, silicon-modified polyester and polyurethane coatings, has high paint removal efficiency, shortens the paint removal time to about 60 seconds from the prior 2,400 seconds, and has slight corrosion to a substrate and the corrosion rate less than 0.2 percent.

The present invention discloses a paint remover for a metal surface. The paint remover is characterized by comprising the following components, by weight, 30-70% of dichloromethane, 5-25% of phenol, 1-5% of paraffin, 5-25% of benzyl alcohol, 2-10% of an organic acid, 1-6% of methyl cellulose, 0.5-3% of an emulsifier, 0.3-1% of a corrosion inhibitor LAN-826, and 10-30% of water. The metal paint remover of the present invention has characteristics of low solvent evaporation, good paint removing effect, rapidness, low use cost, and no corrosion on metal substrates, and can be widely applicable for paint layer removing of surfaces of carbon steel, stainless steel, copper, aluminum and other metal substrates.

The invention discloses a water-based paint remover for plastics and a preparation method of the water-based paint remover. The water-based paint remover for the plastics is prepared from components in parts by weight as follows: 33-43 parts of benzyl alcohol, 6-15 parts of triethanolamine, 6-15 parts of ethanolamine, 5-10 parts of potassium hydroxide, 10-20 parts of ethylene glycol monobutyl ether, 2-5 parts of JFC (fatty alcohol polyoxyethylene ether) and 10-20 parts of water. The preparation method of the water-based paint remover comprises the steps as follows: benzyl alcohol, triethanolamine, ethanolamine, potassium hydroxide, ethylene glycol monobutyl ether, JFC and water are added to a sealed reactor with a stirrer and stirred at room temperature for 30-50 minutes, and a finished product is stored in a sealed container after uniform stirring. The water-based paint remover has the beneficial effects as follows: a preparation process is simple, low in cost, green and environment-friendly; the paint remover product is convenient to use, good in paint removing performance and good in stability, and cannot damage a base layer of an object.

The invention relates to an enameled wire polyimide insulating layer nondestructive depainting powder and depainting method. The depainting powder is prepared by adopting the following raw materials by weight percent: 84 to 86 percent of sodium hydroxide, 5.5 to 6.5 percent of sodium metasilicate nonahydrate, 3.5 to 4.5 percent of thiourea and 4.5 to 5.5 percent of sodium hexametaphosphate. The depainting method comprises the following steps: heating the depainting powder in a special depainting furnace to form liquid, soaking an enameled wire head needing depainting into the molten liquid to be subjected to depainting, then taking out the enameled wire head, washing, rinsing and dehydrating the enameled wire head, so that a purpose for completing the quick nondestructive depainting of a lead-out end of the enameled wire can be achieved. The depainting powder formula is environmental friendly and safe, not only can the enameled wire copper material be prevented from being corroded, oxidized and decolored, but also is easy to wash and remove, and the soldability of the enameled wire copper material is not affected. By adopting the method, the traditional method for depainting the lead-out end of the enameled wire by virtue of a piece of abrasive paper can be changed, and the breaking potential safety hazard of a coil can be greatly eliminated.

The invention provides a direct physical type water-based paint remover, belonging to the technical field of chemical coating removers and aiming at solving the problem that an existing paint remover causes corrosion on a metal substrate because of containing toxic substances, namely benzene, phenol, hydrofluoric acid and the like. The direct physical type water-based paint remover comprises the following raw materials in parts by weight: 3.8-6.5 parts of methanol, 2.4-3.7 parts of benzoic acid, 0.8-1.4 parts of nekal, 8.5-12.0 parts of trichloroethylene, 42.0%-55.0% of dichloromethane, 0.4-0.7 part of paraffin, 0.8-1.3 parts of CNC cellulose, 0.4-0.8 part of Mc cellulose and 28-40 parts of deionized water. The prepared novel water-based paint remover is reasonable in component, does not contain the toxic substances, can be used for removing a paint film without heating and is simple in manufacturing method and suitable for an automobile industry, a machine manufacturing industry, an electronic and electric industry, a light industry, a chemical industry and the like.

The invention discloses a dispensing viscosity adjustable neutral potent water-soluble paint stripper, which is characterized by comprising the following raw materials based on the mass of 1 kilogram: 100 to 600 milliliters of methylene dichloride, 100 to 600 milliliters of phenol, 50 to 400 milliliters of weakly alkaline deionized water solution, 1 to 10 grams of industrial paraffin, 1 to 15 milliliters of surfactant and 1 to 50 grams of thickening agent, wherein the raw materials can be used by uniform mixing. The dispensing viscosity adjustable neutral potent water-soluble paint stripper has the technical effects that the neutral potent water-soluble paint stripper for stripping an airplane coat is particularly suitable for stripping a high-crossed solvent type epoxy or polyurethane or fluorinated polyurethane coat, and can be directly coated on the surface of a common composite materials of metal material, anodized aluminium, metal plating layer and glass fiber reinforced plastics, carbon fiber and the like for airplanes; and the paint stripping surface after using the paint stripper can be directly recoated after cleaning with a proper solvent and drying, the paint film bonding force is not affected, the repair process is simplified, and the repair cost is saved.

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 paint remover. The paint remover contains phenyl 4-hydroxyphosphate, and is particularly prepared from the following components in percentage by weight: 5 to 30% of phenyl 4-hydroxyphosphate, 15 to 25% of high aromatic hydrocarbon solvent oil, 20 to 30% of dichloromethane, 5 to 20% of formate, 5 to 15% of lower alcohol, 0.5 to 2% of a surfactant, 0.5 to 2% of a thickeningagent and 10 to 20% of water. The paint remover is not easy to volatilize, good in paint removing effect and suitable for outdoor paint removing operation.

The invention relates to the technical field of paint remover production, in particular to a water-based ABS elastic paint remover and a preparation method thereof. The water-based ABS elastic paint remover comprises a paint remover. The paint remover is prepared from, by weight, 35-40 parts of main solvent, 20-28 parts of a cosolvent, 3-6 parts of an accelerant, 8-12 parts of a solubilizer, 0.3 to 0.6 part of a surfactant, and remaining amount of deionized water. The problems that the traditional dichloromethane type paint remover can dissolve ABS plastic and is not suitable for ABS paint removal, and strong acid and strong alkali are high in risk can be solved. The paint remover is simple in preparation method, low in cost and good in paint removal effect, can be used at normal temperature or in a heating manner, can well protect ABS materials from being damaged, and can be repeatedly used, the spraying yield is greatly improved, and the material cost is saved.

The invention discloses a paint remover formula which comprises the following raw materials in parts by mass: 60-70 parts of dichloromethane, 5-10 parts of formic acid, 5-8 parts of potassium chloride, 2-3 parts of ethanediol, 2-3 parts of phenol, 1-2 parts of quicklime, 5-8 parts of methylcellulose, 1-2 parts of acetic acid and 3-5 parts of distilled water. The paint remover disclosed by the invention is simple in raw materials, relatively low in toxicity, obvious in paint removal effect and wide in application range.

The invention discloses a novel low-toxicity high-adsorption marine waterborne anticorrosion composite paint remover, produced from, by weight, 35-36 parts of benzyl alcohol, 4-5 parts of N-methyl-2-pyrrolidone, 5.8-6.8 parts of absolute ethyl alcohol, 6-8 parts of citric acid, 0.2-0.4 part of calcium sulfonate, 0.5-0.7 part of cellulose acetate, 2.1-2.4 parts of polyepoxysuccinic acid, 4-6 parts of papermaking waste residue, 7-9 parts of water hyacinth, 3-4 parts of cassia oil, 0.3-0.5 part of chitosan, 11-12 parts of wheat starch, 2.4-2.9 parts of phenyltriethoxysilane, 1.4-1.9 parts of a self-made emulsifier, and 47-50 parts of water. The composite paint remover produced herein has low volatility and low toxicity, is safe to a metal base, is harmless to operators or environments, is convenient and quick to construct, high in adsorption and good in paint removing performance.

The invention discloses a paint film cleaning agent and a preparation method and application thereof. The cleaning agent is prepared from, by mass, 10-20 parts of benzaldehyde, 4-8 parts of butyl cellosolve, 0.5-2 parts of an emulsifying agent, 1-2 parts of an activating agent, 0.5-1 part of a thickening agent, 20-42 parts of a cosolvent and 1-2 parts of a promoting agent. The cleaning agent takesbenzaldehyde and butyl cellosolve as main solvents, and a green neutral waterborne paint remover is prepared by matching of components in specific mass parts and is moderate in potential of hydrogen,in a pH range of 7-8, low in volatilization, effective in paint removal and free of corrosion of metal steel. The paint film cleaning agent is environmentally friendly in raw material, simple in preparation, short in paint film removal time, high in paint removal speed, efficient in removal without base material damages and extensively applicable to the field of automobile painting and cleaning,especially cleaning of automobile painting fixture with high requirements on base material precision.