CN109370297A - A kind of practical high-efficient environment protection watery paint remover and its preparation method and application - Google Patents
A kind of practical high-efficient environment protection watery paint remover and its preparation method and application Download PDFInfo
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- CN109370297A CN109370297A CN201811086797.6A CN201811086797A CN109370297A CN 109370297 A CN109370297 A CN 109370297A CN 201811086797 A CN201811086797 A CN 201811086797A CN 109370297 A CN109370297 A CN 109370297A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
- C09D9/04—Chemical paint or ink removers with surface-active agents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
- C09D9/005—Chemical paint or ink removers containing organic solvents
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Abstract
The present invention relates to a kind of practical high-efficient environment protection watery paint removers, its constituent and parts by weight are as follows: 35~45 parts of main solvent, 2~8 parts of cosolvent, 2~11 parts of promotor, 0.5~5 part of complexing agent, 2~12 parts of composition metal corrosion inhibiter, 0.5~6 part of complexed surfactant, 0~3 part of solubilizer, 1~6 part of thickener, deionized water complements to 100 parts.This watery paint remover is free of heavy metal, highly basic, nitrite, chromate, phosphorus, amine, amide harmful substance, big, the chlorohydrocarbon of high volatility, phenol, acetone and other organic solvent without toxicity, without flash-point, low VOC, low smell, biodegradable, no pollution to the environment, property is mild, safe to the human body；Paint stripping rate is fast, and removing is thorough；It is excellent to various substrate rust inhibitions, do not damage coating surface.
Description
Technical field
The invention belongs to lacquering technologies field, especially a kind of practical high-efficient environment protection watery paint remover and its system
Preparation Method and application.
Background technique
The surface coverings such as passenger-cargo carriage, aircraft, steamer, automobile, building, equipment, machinery and the furniture of railway systems are long-term
In use process, erosion by various corrosive mediums and mechanical damage are destroyed, and aging, cracking, peeling are occurred and are fallen off etc. existing
As causing paint film to lose protection decoration function, not only influencing appearance, but also easily induce corrosion, security risk is caused, for peace
Complete and beautiful needs, it is often necessary to its surface covering partially or fully be removed using chemical stripper, spray new paint
Layer.
Chemical stripper most importantly guarantees the security reliability of basis material.Chemical stripper in addition to have efficiently,
Outside environmentally friendly, non-corrosive and easily operated advantage, it is necessary to assure to various structural steel, aluminium alloy, titanium alloy, the magnesium touched
Metals such as alloy, concrete, stone material, timber and nonmetallic materials are corrosion-free and adverse effect, and have property mild, low
VOC, low smell, it is biodegradable, protect substrate, do not influence it is secondary spraying and can Reusability the features such as.
Paint stripper on traditional market mainly uses solvent stripper and aqueous slkali paint stripper, and solvent stripper is most
With containing chlorohydrocarbon, phenol, based on acetone equal solvent, according to the difference of coating system, and different types of solvent type depainting can be divided into
Agent, such as neutral, alkalinity, acidity, paint removal efficiency is higher, small to body corrosion, easy to operate, and such paint stripper largely makes
With, there are problems that it is unhealthful and pollution atmospheric environment.It is this with the raising of environmental requirement and the research of harm to the human body
Paint stripper is just gradually substituted.Alkaline solution paint stripper is mainly used for the depainting of some components, and solution compolision contains hydroxide
Sodium, sodium carbonate, sodium phosphate etc..Aqueous slkali paint stripper using when need to heat, configure depainting slot and rinse bath, depainting part soaked
Enter in solution, paint film is removed by the saponification of alkaline matter and certain groups of paint film, safety in utilization is poor, application range
It is narrow.Therefore, it is necessary to it is fast to provide a kind of paint stripping rate, and it is applied widely, it is corrosion-free to various matrixes, coating again is not influenced,
And higher boiling, stability is good, easily biological-degradable, and non-hazardous to operator and environment, at low cost, dosage is small, can make repeatedly
With environmentally friendly waterborne paint remover easy to operate.
By retrieval, following several patent publication us relevant to present patent application are found:
Chinese patent CN107936677A discloses a kind of watery paint remover, and which use formic acid, 0P-10 etc.；
Benzyl alcohol, triethanolamine etc. have been used in CN107880633A；Monovalence alkali metal has been used in CN107586482A
Salt, sodium dichloro cyanurate etc.；Benzyl alcohol, diethylene glycol monobutyl ether etc. have been used in CN107286727A；CN106947312A
In used methylene chloride, chloroform, dichloropropane, potassium hydroxide, sodium hydroxide etc.；Second two is used in CN106590142A
Alcohol monobutyl ether, benzaldehyde, methyl methacrylate etc.；Acetone, nitromethane, dimethylbiphenyl have been used in CN106519787A
Oxazole etc.；Benzyl alcohol, acetone, hydrogen peroxide, ammonium hydroxide, tertiary butyl-4-hydroxy methyl phenyl ethers anisole etc. have been used in CN106519788A；
Benzyl alcohol, acetone, hydrogen peroxide, ammonium hydroxide, nanometer aluminium powder, oxalic acid etc. have been used in CN1065437967A；In CN106543799A
Benzyl alcohol, acetone, hydrogen peroxide, ammonium hydroxide, ethyl alcohol, sodium nitrate etc. are used；Benzyl alcohol, third have been used in CN106752290A
Ketone, hydrogen peroxide, ammonium hydroxide, ethyl alcohol, formic acid etc.；Benzyl alcohol, acetone, hydrogen peroxide, ammonium hydroxide, second have been used in CN106752288A
Alcohol, sodium tetraborate, kodalk etc.；Benzyl alcohol, triethanolamine, ethylene glycol monobutyl ether etc. have been used in CN107880633A；
Benzyl alcohol, acetone, hydrogen peroxide, butyl titanate, ammonium hydroxide, ethyl alcohol, boric acid, dichloro isocyanuric urine have been used in CN106752291A
Sour sodium, nano silica etc.；Propene carbonate, pyrrolidones, sodium hydroxide, permanganic acid have been used in CN108129904A
Potassium, metasilicate etc.；Triethyl phosphate, dimethyl adipate etc. have been used in CN106519783A；Make in CN106084976A
With methylene chloride, phenol, methanol, formic acid, ether, vinyl alcohol, benzyl alcohol etc.；Propylene carbonate has been used in CN106147366A
Ester, dimethyl carbonate, N-Methyl pyrrolidone, acetone, Polyethylene Octylphenol Ether, certain herbaceous plants with big flowers acid glyceryl ester, sodium tripolyphosphate,
Polyvinyl alcohol etc.；Formic acid, chloroacetic acid, chloroform, ethyl alcohol, ether etc. have been used in CN106280668A；CN107266956A
In used benzyl alcohol, triethanolamine, ethanol amine, potassium hydroxide, ethylene glycol monobutyl ether etc.；Benzene has been used in CN105255248A
Methanol, potassium hydroxide etc.；Benzoic acid, 2- N-methyl-2-2-pyrrolidone N, diethyl thiourea, diformazan have been used in CN105295510A
Aminoethoxyethanol, propionic acid etc.；Methylene chloride, sodium nitrite, vinyl alcohol, propyl alcohol etc. have been used in CN104559432A；
Sodium hydroxide, silicate compound etc. have been used in CN105504953A；Methylene chloride, first have been used in CN104277570A
Acid, ethyl alcohol etc.；Methanol, benzoic acid, trichloro ethylene, methylene chloride etc. have been used in CN104017428A；In CN104017428B
Methanol, benzoic acid, trichloro ethylene, methylene chloride etc. are used；Sodium hydroxide, fatty alcohol polyoxy have been used in CN103804983A
Alkyl ether, silicate compound etc.；Benzyl alcohol, potassium hydroxide carbolic acid, CN102181200A have been used in CN104513519A
In used enpara, carbolic acid etc.；Used in CN101323723A glycol ether, alkyl pyrrolidone, dimethyl carbonate,
Propene carbonate etc.；Chloroform, formic acid, monoxone etc. are used in CN1082079A, these substances have harm health
The problem of with pollution atmospheric environment, most of substance has been limited or has been forbidden to use.
By comparison, there is essential difference in present patent application and above-mentioned patent publication us.
Summary of the invention
It is an object of the invention to provide a kind of practical high-efficient environment protection water in place of overcome the deficiencies in the prior art
Property paint stripper and its preparation method and application, which is free of heavy metal, highly basic, nitrite, chromate, phosphorus, amine
Class, amide harmful substance, big, the chlorohydrocarbon of high volatility, phenol, acetone and other organic solvent without toxicity are no flash-point, low VOC, low
Smell, biodegradable, no pollution to the environment, property is mild, safe to the human body；Paint stripping rate is fast, and removing is thorough；To various bases
Material rust inhibition is excellent, does not damage coating surface；It uses at room temperature, eliminates heating device, keep operating process simpler；By its
Spraying or brush is heaved in paint film in the surface of the paint film short period, and can remove paint using simply scraping division water and rushing division
Film reaches environmentally friendly depainting purpose；Oil film is not formed, does not influence secondary coating；Suitable for removing railway, aircraft, ship, automobile,
The various paint layers in the fields such as building, industrial equipment and machinery such as amino, nitro, cross oxyethylene group, acrylic acid, alkyd, asphalt mixtures modified by epoxy resin
Various types of coating such as rouge, organosilicon, poly- propylhomoserin, powder, zinc chrome layer, scribble and inorganic zinc can also be used for removing runway rubber
Glue, glue, adhesive and latex etc., it is applied widely；Higher boiling, stability is good, can better meet use, transport and
Storage request；Dosage is small, and energy Reusability has preferable economy.Production equipment, simple process, it is easy to accomplish.
The present invention solves its technical problem and adopts the following technical solutions to achieve:
A kind of practical high-efficient environment protection watery paint remover, constituent and parts by weight are as follows:
35~45 parts of main solvent, 2~8 parts of cosolvent, 2~11 parts of promotor, 0.5~5 part of complexing agent, composition metal inhibition
2~12 parts of agent, 0.5~6 part of complexed surfactant, 0~3 part of solubilizer, 1~6 part of thickener, deionized water complements to 100
Part.
Moreover, the resistivity of the deionized water is greater than 4M Ω cm；Alternatively, the solubilizer is acid dimethyl sodium
Or sodium cumene sulfonate.
Moreover, the main solvent is the mixture of one or more of benzylalcohol, n-methyl-2-pyrrolidone；Or
Person, the cosolvent are the mixed of one or more of isopropanol, 3-Methoxy-3-methyl-1-butanol, dimethyl sulfoxide
Close object.
Moreover, the complexing agent is disodium ethylene diamine tetraacetate, tetrasodium ethylenediamine tetraacetate, sodium citrate, gluconic acid
The mixture of one or more of sodium, Sodium Polyacrylate；Alternatively, the composition metal corrosion inhibiter is non-ferrous metal inhibition
Agent and ferrous metal corrosion inhibitors are the mixture of 1~4:1 composition in mass ratio；Alternatively, the promotor is hydrogen peroxide or has
One of machine acid.
Moreover, the non-ferrous metal corrosion inhibiter is aluminum alloy corrosion inhibitor XL845, aluminum alloy corrosion inhibitor N815, sodium metasilicate, five
Water sodium metasilicate, potassium silicate, benzotriazole, two or more the mixture in methyl benzotriazazole；It is described black
Non-ferrous metal corrosion inhibiter is one or both of sodium benzoate, sodium molybdate, potassium molybdate；
Or the organic acid is one of formic acid, citric acid, hydroxyacetic acid.
Moreover, the complexed surfactant is that nonionic surfactant is in mass ratio with anionic surfactant
The mixture that 1:1~5 is formed；Alternatively, the thickener is one or both of white dextrin powder or guar gum.
Moreover, the nonionic surfactant is polyether polyol L61, L64, F68；Polyoxyethylene oleic acid ester OEO-
103,105,110,115；Isomerous tridecanol polyoxyethylene ether 1309,1305；Lauryl alcohol polyethylene glycol oxide polyethenoxy ether LEP-10；
The mixture of one or more of cardanol polyoxyethylene ether BGF-10, BGF-9, BGF-7；
Alternatively, the anionic surfactant is neopelex, fatty alcohol-ether sodium sulfate, fatty acid methyl ester
One of ethoxylate sulfonates.
A kind of preparation method of practical high-efficient environment protection watery paint remover as described above, steps are as follows:
A. according to quality proportioning weigh main solvent, cosolvent, promotor, solubilizer, complexing agent, composition metal corrosion inhibiter,
Complexed surfactant, thickener；
B. at room temperature, deionized water is added in stirred tank, open stirring, then sequentially add main solvent,
Cosolvent, promotor, solubilizer, complexing agent, composition metal corrosion inhibiter, complexed surfactant, thickener；
C. it stirs, revolving speed is 50~500r/min, and the time is 60~90min, after mixing to get practical multi-functional
The aqueous paint stripper of high-efficiency environment friendly.
Moreover, in the step B: sequentially adding main solvent, cosolvent, promotor, solubilizer, complexing agent, composition metal
When corrosion inhibiter, complexed surfactant, thickener, after a kind of component is added every time, it is stirred for after being completely dissolved adding
A kind of lower component.
Practical high-efficient environment protection watery paint remover as described above is in railway, aircraft, ship, automobile, building, work
The application of industry equipment, machinery and furniture spray painting aspect.
The advantages of present invention obtains and good effect are:
1, paint stripper of the present invention uses main solvent, compound highly effective cosolvent, promotor, solubilizer, complexing agent and compound
Metal inhibitor, complexed surfactant, thickener, the watery paint remover without heavy metal, highly basic, nitrite, chromate,
Phosphorus, amine, amide harmful substance, big, the chlorohydrocarbon of high volatility, phenol, acetone and other organic solvent without toxicity are no flash-point, low
VOC, low smell, biodegradable, property is mild, no pollution to the environment, safe to the human body；It is excellent to various substrate rust inhibitions,
Coating surface is not damaged, to gold such as various structural steel, aluminium alloy, titanium alloy, magnesium alloy, concrete, stone material, the timber touched
Belong to and nonmetallic materials are corrosion-free and adverse effect；Oil film is not formed, does not influence secondary coating；Higher boiling, stability is good, energy
Enough better meet use, transport and storage request.
2, the main solvent that paint stripper of the present invention uses is main solvent for water-soluble strong environment-friendly type organic solvent, uses height
Imitate cosolvent and various metals corrosion inhibiter, a variety of surfactants, food grade thickener.
3, the production equipment, simple process of paint stripper of the present invention, it is easy to accomplish；Paint removing effect is excellent, can rapidly, thoroughly
Remove the various coatings on the fields surfaces such as railway, aircraft, ship, automobile, building, industrial equipment, machinery and furniture, such as ammonia
Base, crosses oxyethylene group, acrylic acid, alkyd, epoxy resin, organosilicon, poly- propylhomoserin, powder, zinc chrome layer, scribble and inorganic at nitro
Various types of coating such as zinc, it can also be used to runway rubber, glue, adhesive and latex etc. are removed, it is applied widely.In room
Temperature is lower to be used, and keeps operating process simpler, can be removed paint film using simply scraping division water and rushing division, be reached environmentally friendly depainting mesh
's；Dosage is small, and energy Reusability has preferable economy.
Specific embodiment
Below with reference to the invention will be further described by specific embodiment, following embodiment be it is descriptive, no
It is restrictive, this does not limit the scope of protection of the present invention.
Raw material used in the present invention is unless otherwise specified conventional commercial product；Used in the present invention
Method is unless otherwise specified the conventional method of this field.
Embodiment 1
A kind of practical high-efficient environment protection watery paint remover, the mass percent of component and each component are as follows:
Natural benzylalcohol 35%, n-methyl-2-pyrrolidone 6%, 3-Methoxy-3-methyl-1-butanol 2%, hydrogen peroxide
4.1%, tetrasodium ethylenediamine tetraacetate 1%, sodium gluconate 0.6%, aluminum alloy corrosion inhibitor XL8451.6%, aluminum alloy corrosion inhibitor
N8150.7%, potassium silicate 0.6%, methyl benzotriazazole 0.15%, sodium benzoate 0.85%, sodium molybdate 0.15%, polyethers is more
First alcohol L640.09%, polyoxyethylene oleic acid ester OEO-1030.05%, lauryl alcohol polyethylene glycol oxide polyethenoxy ether LEP-
100.07%, fatty acid methyl ester ethoxylate sulfonate 0.24%, neopelex 0.12%, fatty alcohol ether sulfuric acid
Sodium 0.08%, white dextrin powder 1.8%, deionized water 44.8%.
The preparation method of above-mentioned practical high-efficient environment protection watery paint remover, steps are as follows:
Deionized water is added in stirred tank at room temperature, opens stirring, revolving speed is 50~100r/min, and natural benzyl is added
Alcohol, n-methyl-2-pyrrolidone, 3-Methoxy-3-methyl-1-butanol, hydrogen peroxide, stirring is to being completely dissolved；Revolving speed is 100
Tetrasodium ethylenediamine tetraacetate, sodium gluconate is added in~200r/min, and stirring is to being completely dissolved；Aluminum alloy corrosion inhibitor is added
XL845, aluminum alloy corrosion inhibitor N815, sodium benzoate, sodium molybdate, potassium silicate, methyl benzotriazazole, stirring is to being completely dissolved；
Fatty acid methyl ester ethoxylate sulfonate, neopelex, fatty alcohol-ether sodium sulfate is added, stirs to completely molten
Solution；Revolving speed is 300~400r/min, and polyether polyol L64, polyoxyethylene oleic acid ester OEO-103, lauryl alcohol polyethylene glycol oxide is added
Polyethenoxy ether, stirring is to being completely dissolved；Revolving speed is 400~500r/min, white dextrin powder is added, stirring is to being completely dissolved.It is whole
A mixing time is 60~90min, finally in homogeneous solution to get practical high-efficient environment protection watery paint remover.
Embodiment 2
A kind of practical high-efficient environment protection watery paint remover, the mass percent of component and each component are as follows:
Natural benzylalcohol 38%, isopropanol 3%, dimethyl sulfoxide 1.2%, hydrogen peroxide 3.4%, sodium gluconate 1.1%,
Sodium Polyacrylate 0.9%, aluminum alloy corrosion inhibitor N8152.5%, sodium metasilicate 0.6%, potassium silicate 0.3%, benzotriazole
0.2%, sodium benzoate 0.92%, potassium molybdate 0.2%, isomerous tridecanol polyoxyethylene ether 13090.13%, isomerous tridecanol is poly-
Ethylene oxide ether 13050.06%, cardanol polyoxyethylene ether BGF-100.11%, polyoxyethylene oleic acid ester OEO-1050.08%,
Fatty alcohol-ether sodium sulfate 0.9%, fatty acid methyl ester ethoxylate sulfonate 0.06%, white dextrin powder 2%, deionized water
44.34%.
The preparation method of above-mentioned practical high-efficient environment protection watery paint remover, steps are as follows:
Deionized water is added in stirred tank at room temperature, opens stirring, revolving speed is 50~100r/min, and natural benzyl is added
Alcohol, isopropanol, dimethyl sulfoxide, hydrogen peroxide, stirring is to being completely dissolved；Revolving speed is 100~200r/min, and gluconic acid is added
Sodium, Sodium Polyacrylate, stirring is to being completely dissolved；Add aluminum alloy corrosion inhibitor N815, sodium metasilicate, potassium silicate, sodium benzoate, molybdenum
Sour potassium, benzotriazole, stirring is to being completely dissolved；Fatty alcohol-ether sodium sulfate, fatty acid methyl ester ethoxylate sulfonate is added,
Stirring is to being completely dissolved；Revolving speed is 300~400r/min, and isomerous tridecanol polyoxyethylene ether, isomerous tridecanol polyoxy second is added
Alkene ether 1305, cardanol polyoxyethylene ether BGF-10, polyoxyethylene oleic acid ester OEO-105, stirring is to being completely dissolved；Revolving speed is
White dextrin powder is added in 400~500r/min, and stirring is to being completely dissolved.Entire mixing time is 60~90min, final in uniform
Solution is to get practical high-efficient environment protection watery paint remover.
Embodiment 3
A kind of practical high-efficient environment protection watery paint remover, the mass percent of component and each component are as follows:
N-methyl-2-pyrrolidone 40%, 3-Methoxy-3-methyl-1-butanol 1.2%, dimethyl sulfoxide 4%, peroxide
Change hydrogen 2.8%, tetrasodium ethylenediamine tetraacetate 1%, sodium citrate 0.8%, aluminum alloy corrosion inhibitor XL8451.85%, sodium metasilicate
1%, potassium silicate 0.5%, methyl benzotriazazole 0.1%, sodium molybdate 1%, potassium molybdate 0.2%, polyether polyol
L610.09%, polyether polyol L640.03%, polyoxyethylene oleic acid ester 1050.09%, lauryl alcohol polyethylene glycol oxide polyoxypropylene
Ether LEP-100.05%, neopelex 1%, fatty acid methyl ester ethoxylate sulfonate 0.05%, guar gum
3.5%, deionized water 40.74%.
The preparation method of above-mentioned practical high-efficient environment protection watery paint remover, steps are as follows:
Deionized water is added in stirred tank at room temperature, opens stirring, revolving speed is 50~100r/min, and N- first is added
Base -2-Pyrrolidone, 3-Methoxy-3-methyl-1-butanol, dimethyl sulfoxide, hydrogen peroxide, stirring is to being completely dissolved；Revolving speed
For 100~200r/min, it is added tetrasodium ethylenediamine tetraacetate, sodium citrate, stirring is to being completely dissolved；Add aluminium alloy inhibition
Agent XL845, sodium metasilicate, potassium silicate, sodium molybdate, potassium molybdate, methyl benzotriazazole, stirring is to being completely dissolved；Dodecane is added
Base benzene sulfonic acid sodium salt, fatty acid methyl ester ethoxylate sulfonate, stirring is to being completely dissolved；Revolving speed is 300~400r/min, is added
Isomery polyether polyol L61, polyether polyol L64, polyoxyethylene oleic acid ester 105, lauryl alcohol polyethylene glycol oxide polyethenoxy ether
LEP-10, stirring is to being completely dissolved；Revolving speed is 400~500r/min, guar gum is added, stirring is to being completely dissolved.Entirely stir
Mixing the time is 60~90min, finally in homogeneous solution to get practical high-efficient environment protection watery paint remover.
Embodiment 4
A kind of practical high-efficient environment protection watery paint remover, constituent and parts by weight are as follows:
35~45 parts of main solvent, 2~8 parts of cosolvent, 2~11 parts of promotor, 0.5~5 part of complexing agent, composition metal inhibition
2~12 parts of agent, 0.5~6 part of complexed surfactant, 0~3 part of solubilizer, 1~6 part of thickener, deionized water complements to 100
Part.
More preferably, the resistivity of the deionized water is greater than 4M Ω cm；Alternatively, the solubilizer is acid dimethyl
Sodium or sodium cumene sulfonate.
More preferably, the main solvent is the mixture of one or more of benzylalcohol, n-methyl-2-pyrrolidone；
Alternatively, the cosolvent is one or more of isopropanol, 3-Methoxy-3-methyl-1-butanol, dimethyl sulfoxide
Mixture.
More preferably, the complexing agent is disodium ethylene diamine tetraacetate, tetrasodium ethylenediamine tetraacetate, sodium citrate, glucose
The mixture of one or more of sour sodium, Sodium Polyacrylate；Alternatively, the composition metal corrosion inhibiter is slow for non-ferrous metal
Erosion agent and ferrous metal corrosion inhibitors are the mixture of 1~4:1 composition in mass ratio；Alternatively, the promotor be hydrogen peroxide or
One of organic acid.
More preferably, the non-ferrous metal corrosion inhibiter be aluminum alloy corrosion inhibitor XL845, aluminum alloy corrosion inhibitor N815, sodium metasilicate,
Metasilicate pentahydrate sodium, potassium silicate, benzotriazole, two or more the mixture in methyl benzotriazazole；It is described
Ferrous metal corrosion inhibitors are one or both of sodium benzoate, sodium molybdate, potassium molybdate；
Or the organic acid is one of formic acid, citric acid, hydroxyacetic acid.
More preferably, the complexed surfactant be nonionic surfactant and anionic surfactant in mass ratio
The mixture formed for 1:1~5；Alternatively, the thickener is one or both of white dextrin powder or guar gum.
More preferably, the nonionic surfactant is polyether polyol L61, L64, F68；Polyoxyethylene oleic acid ester OEO-
103,105,110,115；Isomerous tridecanol polyoxyethylene ether 1309,1305；Lauryl alcohol polyethylene glycol oxide polyethenoxy ether LEP-10；
The mixture of one or more of cardanol polyoxyethylene ether BGF-10, BGF-9, BGF-7；
Alternatively, the anionic surfactant is neopelex, fatty alcohol-ether sodium sulfate, fatty acid methyl ester
One of ethoxylate sulfonates.
A kind of preparation method of practical high-efficient environment protection watery paint remover as described above, steps are as follows:
A. according to quality proportioning weigh main solvent, cosolvent, promotor, solubilizer, complexing agent, composition metal corrosion inhibiter,
Complexed surfactant, thickener；
B. at room temperature, deionized water is added in stirred tank, open stirring, then sequentially add main solvent,
Cosolvent, promotor, solubilizer, complexing agent, composition metal corrosion inhibiter, complexed surfactant, thickener；
C. it stirs, revolving speed is 50~500r/min, and the time is 60~90min, after mixing to get practical multi-functional
The aqueous paint stripper of high-efficiency environment friendly.
More preferably, in the step B: sequentially adding main solvent, cosolvent, promotor, solubilizer, complexing agent, compound gold
When belonging to corrosion inhibiter, complexed surfactant, thickener, after a kind of component is added every time, be stirred for after being completely dissolved again plus
Enter a kind of lower component.
Practical high-efficient environment protection watery paint remover as described above is in railway, aircraft, ship, automobile, building, work
The application of industry equipment, machinery and furniture spray painting aspect.
The practical high-efficient environment protection watery paint remover of the present invention has passed through the test of the seaworthiness such as Boeing, Air Passenger, it was demonstrated that produces
Product are not damaged to materials such as the various structural steel of aircraft, aluminium alloy, titanium alloy, magnesium alloy, organic glasses, do not generate hydrogen embrittlement,
Sandwich corrosion and immersion corrosion；Excellent paint removal efficiency, depainting surface recoatability and rinsability；Low smell, low VOC, without flash-point,
It is biodegradable, it is environment-protecting and non-poisonous.
Although disclosing the embodiment of the present invention for the purpose of illustration, it will be appreciated by those skilled in the art that: not
Be detached from the present invention and spirit and scope of the appended claims in, various substitutions, changes and modifications be all it is possible, therefore, this
The range of invention is not limited to the embodiment disclosure of that.
Claims (10)
1. a kind of practical high-efficient environment protection watery paint remover, it is characterised in that: its constituent and parts by weight are as follows:
35~45 parts of main solvent, 2~8 parts of cosolvent, 2~11 parts of promotor, 0.5~5 part of complexing agent, composition metal corrosion inhibiter 2
~12 parts, 0.5~6 part of complexed surfactant, 0~3 part of solubilizer, 1~6 part of thickener, deionized water complements to 100 parts.
2. practical high-efficient environment protection watery paint remover according to claim 1, it is characterised in that: the deionization
The resistivity of water is greater than 4M Ω cm；Alternatively, the solubilizer is acid dimethyl sodium or sodium cumene sulfonate.
3. practical high-efficient environment protection watery paint remover according to claim 1, it is characterised in that: the main solvent
For the mixture of one or more of benzylalcohol, n-methyl-2-pyrrolidone；Alternatively, the cosolvent is isopropanol, 3-
The mixture of one or more of methoxyl-3-methyl-1-butanol, dimethyl sulfoxide.
4. practical high-efficient environment protection watery paint remover according to claim 1, it is characterised in that: the complexing agent
For one of disodium ethylene diamine tetraacetate, tetrasodium ethylenediamine tetraacetate, sodium citrate, sodium gluconate, Sodium Polyacrylate or
Two or more mixtures；Alternatively, the composition metal corrosion inhibiter is that non-ferrous metal corrosion inhibiter and ferrous metal corrosion inhibitors press matter
Amount is than the mixture for 1~4:1 composition；Alternatively, the promotor is one of hydrogen peroxide or organic acid.
5. practical high-efficient environment protection watery paint remover according to claim 4, it is characterised in that: described to have coloured gold
Category corrosion inhibiter is aluminum alloy corrosion inhibitor XL845, aluminum alloy corrosion inhibitor N815, sodium metasilicate, metasilicate pentahydrate sodium, potassium silicate, benzo
Two or more mixture in triazole, methyl benzotriazazole；The ferrous metal corrosion inhibitors be sodium benzoate,
One or both of sodium molybdate, potassium molybdate；
Or the organic acid is one of formic acid, citric acid, hydroxyacetic acid.
6. practical high-efficient environment protection watery paint remover according to any one of claims 1 to 5, it is characterised in that:
The complexed surfactant is nonionic surfactant and anionic surfactant is what 1:1~5 was formed in mass ratio
Mixture；Alternatively, the thickener is one or both of white dextrin powder or guar gum.
7. practical high-efficient environment protection watery paint remover according to claim 6, it is characterised in that: the nonionic
Surfactant is polyether polyol L61, L64, F68；Polyoxyethylene oleic acid ester OEO-103,105,110,115；Isomery 13
Alcohol polyoxyethylene ether 1309,1305；Lauryl alcohol polyethylene glycol oxide polyethenoxy ether LEP-10；Cardanol polyoxyethylene ether BGF-10,
The mixture of one or more of BGF-9, BGF-7；
Alternatively, the anionic surfactant is neopelex, fatty alcohol-ether sodium sulfate, fatty acid methyl ester ethoxy
One of glycolylate sulfonate.
8. a kind of preparation method of practical high-efficient environment protection watery paint remover as described in any one of claim 1 to 7,
It is characterized by: steps are as follows:
A. main solvent, cosolvent, promotor, solubilizer, complexing agent, composition metal corrosion inhibiter, compound is weighed according to quality proportioning
Surfactant, thickener；
B. at room temperature, deionized water is added in stirred tank, opens stirring, then sequentially adds main solvent, hydrotropy
Agent, promotor, solubilizer, complexing agent, composition metal corrosion inhibiter, complexed surfactant, thickener；
C. it stirs, revolving speed is 50~500r/min, and the time is 60~90min, after mixing to get practical multifunctional efficient
Environment-friendly water-based paint stripper.
9. the preparation method of practical high-efficient environment protection watery paint remover according to claim 8, it is characterised in that:
In the step B: sequentially adding main solvent, cosolvent, promotor, solubilizer, complexing agent, composition metal corrosion inhibiter, composite table
When face activating agent, thickener, after a kind of component is added every time, it is stirred for after being completely dissolved adding a kind of lower component.
10. practical high-efficient environment protection watery paint remover as described in any one of claim 1 to 7 is in railway, aircraft, ship
Application in terms of oceangoing ship, automobile, building, industrial equipment, machinery and furniture spray painting.
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