CN107573783A - A kind of metallic paint and its preparation technology - Google Patents
A kind of metallic paint and its preparation technology Download PDFInfo
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- CN107573783A CN107573783A CN201711035015.1A CN201711035015A CN107573783A CN 107573783 A CN107573783 A CN 107573783A CN 201711035015 A CN201711035015 A CN 201711035015A CN 107573783 A CN107573783 A CN 107573783A
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Abstract
The invention discloses a kind of metallic paint and its preparation technology, described metallic paint includes the raw material of following mass fraction：Acrylic resin, amino resins, propylene glycol monomethyl ether acetic acid, polysiloxane, polyoxyethylated alkyl phenol, dimethyl silicone polymer, ethylene group bis-stearamides, pigment, filler, potassium hydroxide, BTA, melamine, 12 hydroxy stearic acids, methyl methacrylate, lauryl sodium sulfate, p-tert-amylphenol, ttraethylammonium tetrafluoroborate, benzyl triphenyl phosphonium chloride phosphine, trifluoroacetylacetone (TFA) cobalt, methylene bromide, aluminium powder, zinc powder, deionized water, cosolvent and auxiliary agent, its preparation method include：Aluminium powder and zinc powder are prepared, composition A is prepared, prepares composition B and composition is compound；Not only using effect is stable by the present invention, resistance to corrosion is strong, and safe to the human body nontoxic, energy-conserving and environment-protective, operation is simple for the preparation method, and environmental protection, low consumption, cost are cheap during preparation.
Description
Technical field
The present invention relates to technical field of coatings, specially a kind of metallic paint and its preparation technology.
Background technology
In recent years, with metallic article constantly apply it is in new industry field more and more extensive, for enhancing metallic article
Weatherability and corrosion resistance, extend the service life of metallic article and increase its aesthetic property, it is necessary to be carried out to metal material surface
Working process, such as plating, chemical plating, coating technology.Metallic aluminium, particularly aluminium foil are deposited on plastics, the aluminium film on paper
Quality is softer, and wear-resisting scratch-resisting hinders poor-performing, and aluminium alloy deformed bar is there is also Similar Problems, it is necessary to carry out coating protection.And biography
Paint spraying of uniting is similar, and before coated metal, majority needs to carry out some form of pretreatment to metal surface, improves surface shape
Condition, in favor of improving the adhesive force of coating, enhancing is acted on the anti-corrosion protection of metal base, and at present using coating technology to gold
The method that metal surface is handled is more commonly used, and simple effective method is that suitable coating is directly smeared in metal surface the most
One layer of fine and close protective layer is formed in metal surface.Existing metallic paint is based on solvent-borne type baked paint, has attachment
The advantages that power is good, pliability is good, high temperature resistant does not turn yellow, still, a large amount of organic solvents is contained in the solvent-borne type baked paint, are made
Enter during after the volatilization of these organic solvents in atmosphere, not only human body health is damaged, also result in tight
The environmental pollution of weight, and such coatings volatile organic compoundses need to solidify by high-temperature baking, consume the substantial amounts of energy, exist and do not save
Can be environmentally friendly, cost is high the problem of, in addition also there is adhesiveness, impact resistance, glossiness, viscosity, machine in the coatings volatile organic compoundses of the type
Tool performance adhesive force, impact resistance, hardness, pliability, chemical property, heat-resisting quantity, anti-flammability, anti-corrosive properties are poor and solid content
The problem of low.
So how to design a kind of metallic paint and its preparation technology, turning into us will currently solve the problems, such as.
The content of the invention
The present invention provides a kind of metallic paint and its preparation technology, and not only using effect is stable, resistance to corrosion is strong, surface
It is not easily damaged, and there is good wear-resisting and stampability energy, can significantly it increase the service life, it is safe to the human body nontoxic,
After adding multiple additives in acrylic resin and amino resins solvent, obtained metallic paint has quality tight
Close, low temperature resistant, adhesiveness, impact resistance, glossiness are good, and solid content is high, energy-conserving and environment-protective, and the preparation method is simple to operate easily
OK, environmental protection, low consumption during preparation, cost is cheap, and mechanical performance adhesive force is good, impact resistance is strong, hardness is high, pliability is good,
Chemical property high temperature resistant, good flame resistance, anti-corrosive properties are good, can well play a part of protecting metal, can effectively solve
The problem of in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of metallic paint, described metallic paint include
The raw material of following mass fraction：Acrylic resin 50-68 parts, amino resins 4-10 parts, propylene glycol monomethyl ether acetic acid 3.6-4.2 parts,
Polysiloxane 1.6-2.4 parts, polyoxyethylated alkyl phenol 1.7-2.5 parts, dimethyl silicone polymer 2.6-3.5 parts, ethylene
Base bis-stearamides 1.5-2.5 parts, pigment 8.5-12 parts, filler 5-8 parts, potassium hydroxide 1-4 parts, BTA 2-3 parts, three
Poly cyanamid 1-2 parts, 12- hydroxy stearic acid 2-6 parts, methyl methacrylate 3-5 parts, lauryl sodium sulfate 2-5 parts, to uncle penta
Base phenol 3-7 parts, ttraethylammonium tetrafluoroborate 1-3 parts, benzyl triphenyl phosphonium chloride phosphine 2-4 parts, trifluoroacetylacetone (TFA) cobalt 1-2 parts, two
Bromomethane 3-6 parts, aluminium powder 10-20 parts, zinc powder 10-20 parts, deionized water 80-100 parts, cosolvent 1.5-8 parts and auxiliary agent 1.5-
2.5 part.
A kind of metallic paint preparation technology, comprises the following steps：
1）Prepare aluminium powder and zinc powder：Fusing：After aluminium ingot melts in aluminium melting furnace, it is stored in the heat preservation zone in aluminium melting furnace；Atomization：
The aluminium liquid in aluminium melting furnace inside holding area is transported in spray chamber by aluminium liquid delivery pipe, aluminium liquid passes through the gas in spray chamber
Body atomizer carries out atomization granulation, forms micron order aluminium powder；Wherein the gas of gas atomizing nozzle is based on inert gas
Mixed gas；Classification：Aluminium powder in spray chamber carries out classification processing by Geldart-D particle into clasfficiator, obtains different-grain diameter
Aluminium powder finished product, zinc powder is similarly；
2）Prepare composition A：Acrylic resin 50-68 parts, amino resins 4-10 parts and auxiliary agent auxiliary agent 1.5- are taken by mass fraction
Put into dispersion cylinder for 2.5 parts and stir, mixing speed is that 400-500 turns/min, and uniform pre-composition is made in stirring 20-30min；
Then in the pre-composition as made from mass fraction takes aluminium powder 10-20 parts to be added under stirring, zinc powder 10-20 is then added
Part, regulation rotating speed is that 400-600 turns/min, stirs 25-50min, finally adds propylene glycol monomethyl ether acetic acid 3.6- by mass fraction
4.2 parts, polysiloxane 1.6-2.4 parts, polyoxyethylated alkyl phenol 1.7-2.5 parts, dimethyl silicone polymer 2.6-3.5
Part, ethylene group bis-stearamides 1.5-2.5 parts, pigment 8.5-12 parts, filler 5-8 parts, rotating speed are that 400-600 turns/min, stirring
25-50min, stand 25-30min and composition A is made；
3）Prepare composition B：Deionized water 80-100 parts and cosolvent 1.5-8 parts is taken to put into dispersion cylinder and carry out by mass fraction
Stir and evenly mix, mixing speed is that 250-300 turns/min, stirs 20-30min, potassium hydroxide 1-4 is then added under stirring
Part, BTA 2-3 parts, melamine 1-2 parts and 12- hydroxy stearic acid 2-6 parts, regulation rotating speed are that 400-450 turns/min,
25-30min is stirred, is eventually adding methyl methacrylate 3-5 parts, lauryl sodium sulfate 2-5 parts, p-tert-amylphenol 3-7
Part, ttraethylammonium tetrafluoroborate 1-3 parts, benzyl triphenyl phosphonium chloride phosphine 2-4 parts, trifluoroacetylacetone (TFA) cobalt 1-2 parts and methylene bromide 3-6
Part, regulation rotating speed is that 500-550 turns/min, stirs 25-30min, stands 10-15min and composition B is made；
4）Composition is compound：Composition A will be prepared and prepare composition B and be added sequentially in container, stir while adding, add
Afterwards in stir about 15-25 minutes, obtained metallic paint.
According to above-mentioned technical proposal, the preparation method of the auxiliary agent is：By 20-40 mass parts montmorillonites room in distilled water
Temperature swelling 24 hours, forms montmorillonite suspension liquid；The aqueous solution containing 10-20 mass parts organic modification auxiliary agents is added to above-mentioned
In montmorillonite suspension liquid；60-70 °C is warming up to, strong agitation, reacts 3-5 hours；Reaction solution is filtered, obtains white depositions,
Halogen-free ionic is washed with distilled water to again；Above-mentioned products obtained therefrom is dried in vacuo 20-30 hours in 60-80 °C, then grinds, sieve
Closed preservation afterwards, obtains auxiliary agent.
According to above-mentioned technical proposal, the preparation method of the cosolvent is：First esterification：Will contain using molar ratio computing as
The terminal methyl polyethylene glycol of 5%-20% expoxy propane, the wherein molecular weight of terminal methyl polyethylene glycol are 300-6000, with mole
Mixed than the methacrylic acid for 1: 2.5-10 or acrylic acid, under nitrogen protection and catalyst, in 105-125 °C of temperature
Lower reaction 3-6 hours；Wherein described catalyst is niter cake, the toluene sulfonic acide either concentrated sulfuric acid or above-mentioned any ratio
Two kinds or three kinds of mixture of example；In polymerisation：By the carboxylate of above-mentioned preparation, water dilution is added, makes its concentration be
30-50%, the initiator that total reactant is 2-13% in mass is added, 2.5-6 hours are reacted at a temperature of 70-90 °C,
Initiation aggregates into water-soluble high-molecular substance, wherein described initiator is potassium peroxydisulfate, ammonium persulfate, hydrogen peroxide or over cure
The mixture of sour sodium, either any two kinds or three kinds or four kinds of above-mentioned substance；Then neutralization reaction：Add in above-mentioned substance
Enter alkali, adjustment pH value obtains cosolvent in 5-7.
According to above-mentioned technical proposal, the alkali is sodium hydroxide, potassium hydroxide, calcium hydroxide or sodium carbonate, or they
Any two and two or more mixtures.
According to above-mentioned technical proposal, the step 4）The temperature of middle stirring is normal temperature.
According to above-mentioned technical proposal, the step 1）The temperature of aluminum liquid of middle heat preservation zone is maintained between 760 °C -840 °C.
Compared with prior art, beneficial effects of the present invention：Not only using effect is stable, resistance to corrosion is strong, surface not
It is easily damaged, and there is good wear-resisting and stampability energy, can significantly it increase the service life, it is safe to the human body nontoxic, lead to
Cross in acrylic resin and amino resins solvent after adding multiple additives, obtained metallic paint have quality it is close,
Low temperature resistant, adhesiveness, impact resistance, glossiness are good, and solid content is high, and energy-conserving and environment-protective, operation is simple for the preparation method, system
Environmental protection, low consumption when standby, cost is cheap, and mechanical performance adhesive force is good, impact resistance is strong, hardness is high, pliability is good, chemically
Energy high temperature resistant, good flame resistance, anti-corrosive properties are good, can play a part of protecting metal well.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.
In the accompanying drawings：
Fig. 1 is the process chart of the present invention.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1：As shown in figure 1, the present invention provides a kind of metallic paint, described metallic paint includes following mass parts
Several raw materials：It is 50 parts of acrylic resin, 4 parts of amino resins, 3.6 parts of propylene glycol monomethyl ether acetic acid, 1.6 parts of polysiloxane, poly-
1.7 parts of oxygen vinyl alkyl phenolic ether, 2.6 parts of dimethyl silicone polymer, 1.5 parts of ethylene group bis-stearamides, 8.5 parts of pigment, filler 5
Part, 1 part of potassium hydroxide, 2 parts of BTA, 1 part of melamine, 2 parts of 12- hydroxy stearic acids, 3 parts of methyl methacrylate,
2 parts of lauryl sodium sulfate, 3 parts of p-tert-amylphenol, 1 part of ttraethylammonium tetrafluoroborate, 2 parts of benzyl triphenyl phosphonium chloride phosphine, trifluoro
1 part of acetylacetone cobalt, 3 parts of methylene bromide, 10 parts of aluminium powder, 10 parts of zinc powder, 80 parts of deionized water, cosolvent 1.5 and auxiliary agent 1.5
Part.
A kind of metallic paint preparation technology, comprises the following steps：
1）Prepare aluminium powder and zinc powder：Fusing：After aluminium ingot melts in aluminium melting furnace, it is stored in the heat preservation zone in aluminium melting furnace；Atomization：
The aluminium liquid in aluminium melting furnace inside holding area is transported in spray chamber by aluminium liquid delivery pipe, aluminium liquid passes through the gas in spray chamber
Body atomizer carries out atomization granulation, forms micron order aluminium powder；Wherein the gas of gas atomizing nozzle is based on inert gas
Mixed gas；Classification：Aluminium powder in spray chamber carries out classification processing by Geldart-D particle into clasfficiator, obtains different-grain diameter
Aluminium powder finished product, zinc powder is similarly；
2）Prepare composition A：1.5 parts of 50 parts of acrylic resin, 4 parts of amino resins and auxiliary agent auxiliary agent is taken to put into by mass fraction
Stirred in dispersion cylinder, mixing speed is that 400-500 turns/min, and uniform pre-composition is made in stirring 20-30min；Then quality is pressed
Number take 10 parts of aluminium powder added under stirring made from pre-composition, then add 10 parts of zinc powder, regulation rotating speed is
400-600 turns/min, stirs 25-50min, finally adds 3.6 parts of propylene glycol monomethyl ether acetic acid, polysiloxane by mass fraction
1.6 parts, 1.7 parts of polyoxyethylated alkyl phenol, 2.6 parts of dimethyl silicone polymer, 1.5 parts of ethylene group bis-stearamides, pigment 8.5
Part, 5 parts of filler, rotating speed are that 400-600 turns/min, stir 25-50min, stand the obtained composition A of 25-30min；
3）Prepare composition B：Taken by mass fraction be stirred in 1.5 parts of input dispersion cylinders of 80 parts of deionized water and cosolvent it is mixed
Even, mixing speed is that 250-300 turns/min, stirs 20-30min, 1 part of potassium hydroxide, benzo are then added under stirring
2 parts of 2 parts of triazole, 1 part of melamine and 12- hydroxy stearic acids, regulation rotating speed are that 400-450 turns/min, stir 25-30min,
It is eventually adding 3 parts of methyl methacrylate, 2 parts of lauryl sodium sulfate, 3 parts of p-tert-amylphenol, ttraethylammonium tetrafluoroborate 1
Part, 2 parts of benzyl triphenyl phosphonium chloride phosphine, 1 part of trifluoroacetylacetone (TFA) cobalt and 3 parts of methylene bromide, regulation rotating speed be 500-550 turn/
Min, 25-30min is stirred, stand 10-15min and composition B is made；
4）Composition is compound：Composition A will be prepared and prepare composition B and be added sequentially in container, stir while adding, add
Afterwards in stir about 15-25 minutes, obtained metallic paint.
According to above-mentioned technical proposal, the preparation method of the auxiliary agent is：By 20-40 mass parts montmorillonites room in distilled water
Temperature swelling 24 hours, forms montmorillonite suspension liquid；The aqueous solution containing 10-20 mass parts organic modification auxiliary agents is added to above-mentioned
In montmorillonite suspension liquid；60-70 °C is warming up to, strong agitation, reacts 3-5 hours；Reaction solution is filtered, obtains white depositions,
Halogen-free ionic is washed with distilled water to again；Above-mentioned products obtained therefrom is dried in vacuo 20-30 hours in 60-80 °C, then grinds, sieve
Closed preservation afterwards, obtains auxiliary agent.
According to above-mentioned technical proposal, the preparation method of the cosolvent is：First esterification：Will contain using molar ratio computing as
The terminal methyl polyethylene glycol of 5%-20% expoxy propane, the wherein molecular weight of terminal methyl polyethylene glycol are 300-6000, with mole
Mixed than the methacrylic acid for 1: 2.5-10 or acrylic acid, under nitrogen protection and catalyst, in 105-125 °C of temperature
Lower reaction 3-6 hours；Wherein described catalyst is niter cake, the toluene sulfonic acide either concentrated sulfuric acid or above-mentioned any ratio
Two kinds or three kinds of mixture of example；In polymerisation：By the carboxylate of above-mentioned preparation, water dilution is added, makes its concentration be
30-50%, the initiator that total reactant is 2-13% in mass is added, 2.5-6 hours are reacted at a temperature of 70-90 °C,
Initiation aggregates into water-soluble high-molecular substance, wherein described initiator is potassium peroxydisulfate, ammonium persulfate, hydrogen peroxide or over cure
The mixture of sour sodium, either any two kinds or three kinds or four kinds of above-mentioned substance；Then neutralization reaction：Add in above-mentioned substance
Enter alkali, adjustment pH value obtains cosolvent in 5-7.
According to above-mentioned technical proposal, the alkali is sodium hydroxide, potassium hydroxide, calcium hydroxide or sodium carbonate, or they
Any two and two or more mixtures.
According to above-mentioned technical proposal, the step 4）The temperature of middle stirring is normal temperature.
According to above-mentioned technical proposal, the step 1）The temperature of aluminum liquid of middle heat preservation zone is maintained between 760 °C -840 °C.
Embodiment 2：As shown in figure 1, the present invention provides a kind of metallic paint, described metallic paint includes following mass parts
Several raw materials：It is 68 parts of acrylic resin, 10 parts of amino resins, 4.2 parts of propylene glycol monomethyl ether acetic acid, 2.4 parts of polysiloxane, poly-
2.5 parts of oxygen vinyl alkyl phenolic ether, 3.5 parts of dimethyl silicone polymer, 2.5 parts of ethylene group bis-stearamides, 12 parts of pigment, filler 8
Part, 4 parts of potassium hydroxide, 3 parts of BTA, 2 parts of melamine, 6 parts of 12- hydroxy stearic acids, 5 parts of methyl methacrylate,
5 parts of lauryl sodium sulfate, 7 parts of p-tert-amylphenol, 3 parts of ttraethylammonium tetrafluoroborate, 4 parts of benzyl triphenyl phosphonium chloride phosphine, trifluoro
2 parts of acetylacetone cobalt, 6 parts of methylene bromide, 20 parts of aluminium powder, 20 parts of zinc powder, 100 parts of deionized water, 8 parts of cosolvent and auxiliary agent 2.5
Part.
A kind of metallic paint preparation technology, comprises the following steps：
1）Prepare aluminium powder and zinc powder：Fusing：After aluminium ingot melts in aluminium melting furnace, it is stored in the heat preservation zone in aluminium melting furnace；Atomization：
The aluminium liquid in aluminium melting furnace inside holding area is transported in spray chamber by aluminium liquid delivery pipe, aluminium liquid passes through the gas in spray chamber
Body atomizer carries out atomization granulation, forms micron order aluminium powder；Wherein the gas of gas atomizing nozzle is based on inert gas
Mixed gas；Classification：Aluminium powder in spray chamber carries out classification processing by Geldart-D particle into clasfficiator, obtains different-grain diameter
Aluminium powder finished product, zinc powder is similarly；
2）Prepare composition A：2.5 parts of 68 parts of acrylic resin, 10 parts of amino resins and auxiliary agent auxiliary agent inputs are taken by mass fraction
Stirred into dispersion cylinder, mixing speed is that 400-500 turns/min, and uniform pre-composition is made in stirring 20-30min；Then matter is pressed
Amount number take 20 parts of aluminium powder is added under stirring made from pre-composition, then add 20 parts of zinc powder, adjusting rotating speed is
400-600 turns/min, stirs 25-50min, finally adds 4.2 parts of propylene glycol monomethyl ether acetic acid, polysiloxane by mass fraction
2.4 parts, 2.5 parts of polyoxyethylated alkyl phenol, 3.5 parts of dimethyl silicone polymer, 2.5 parts of ethylene group bis-stearamides, pigment 12
Part, 8 parts of filler, rotating speed are that 400-600 turns/min, stir 25-50min, stand the obtained composition A of 25-30min；
3）Prepare composition B：Taken by mass fraction be stirred in 8 parts of input dispersion cylinders of 100 parts of deionized water and cosolvent it is mixed
Even, mixing speed is that 250-300 turns/min, stirs 20-30min, 4 parts of potassium hydroxide, benzo are then added under stirring
6 parts of 3 parts of triazole, 2 parts of melamine and 12- hydroxy stearic acids, regulation rotating speed are that 400-450 turns/min, stir 25-30min,
It is eventually adding 5 parts of methyl methacrylate, 5 parts of lauryl sodium sulfate, 7 parts of p-tert-amylphenol, ttraethylammonium tetrafluoroborate 3
Part, 4 parts of benzyl triphenyl phosphonium chloride phosphine, 2 parts of trifluoroacetylacetone (TFA) cobalt and 6 parts of methylene bromide, regulation rotating speed be 500-550 turn/
Min, 25-30min is stirred, stand 10-15min and composition B is made；
4）Composition is compound：Composition A will be prepared and prepare composition B and be added sequentially in container, stir while adding, add
Afterwards in stir about 15-25 minutes, obtained metallic paint.
According to above-mentioned technical proposal, the preparation method of the auxiliary agent is：By 20-40 mass parts montmorillonites room in distilled water
Temperature swelling 24 hours, forms montmorillonite suspension liquid；The aqueous solution containing 10-20 mass parts organic modification auxiliary agents is added to above-mentioned
In montmorillonite suspension liquid；60-70 °C is warming up to, strong agitation, reacts 3-5 hours；Reaction solution is filtered, obtains white depositions,
Halogen-free ionic is washed with distilled water to again；Above-mentioned products obtained therefrom is dried in vacuo 20-30 hours in 60-80 °C, then grinds, sieve
Closed preservation afterwards, obtains auxiliary agent.
According to above-mentioned technical proposal, the preparation method of the cosolvent is：First esterification：Will contain using molar ratio computing as
The terminal methyl polyethylene glycol of 5%-20% expoxy propane, the wherein molecular weight of terminal methyl polyethylene glycol are 300-6000, with mole
Mixed than the methacrylic acid for 1: 2.5-10 or acrylic acid, under nitrogen protection and catalyst, in 105-125 °C of temperature
Lower reaction 3-6 hours；Wherein described catalyst is niter cake, the toluene sulfonic acide either concentrated sulfuric acid or above-mentioned any ratio
Two kinds or three kinds of mixture of example；In polymerisation：By the carboxylate of above-mentioned preparation, water dilution is added, makes its concentration be
30-50%, the initiator that total reactant is 2-13% in mass is added, 2.5-6 hours are reacted at a temperature of 70-90 °C,
Initiation aggregates into water-soluble high-molecular substance, wherein described initiator is potassium peroxydisulfate, ammonium persulfate, hydrogen peroxide or over cure
The mixture of sour sodium, either any two kinds or three kinds or four kinds of above-mentioned substance；Then neutralization reaction：Add in above-mentioned substance
Enter alkali, adjustment pH value obtains cosolvent in 5-7.
According to above-mentioned technical proposal, the alkali is sodium hydroxide, potassium hydroxide, calcium hydroxide or sodium carbonate, or they
Any two and two or more mixtures.
According to above-mentioned technical proposal, the step 4）The temperature of middle stirring is normal temperature.
According to above-mentioned technical proposal, the step 1）The temperature of aluminum liquid of middle heat preservation zone is maintained between 760 °C -840 °C.
Based on above-mentioned, it is an advantage of the current invention that not only using effect is stable, resistance to corrosion is strong, surface is not easily damaged,
And there is good wear-resisting and stampability energy, and can significantly it increase the service life, it is safe to the human body nontoxic, by propylene
After adding multiple additives in acid resin and amino resins solvent, obtained metallic paint has quality close, low temperature resistant, viscous
Attached property, impact resistance, glossiness are good, and solid content is high, and energy-conserving and environment-protective, operation is simple for the preparation method, environmental protection during preparation,
Low consumption, cost is cheap, and mechanical performance adhesive force is good, impact resistance is strong, hardness is high, pliability is good, and chemical property might as well be resistance to
High temperature, good flame resistance, anti-corrosive properties are good, can play a part of protecting metal well.
Finally it should be noted that：The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, to the greatest extent
The present invention is described in detail with reference to the foregoing embodiments for pipe, and for the technology patient of this area, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., it should be included in the guarantor of the present invention
Within the scope of shield.
Claims (7)
- A kind of 1. metallic paint, it is characterised in that：Described metallic paint includes the raw material of following mass fraction：Acrylic resin 50-68 parts, amino resins 4-10 parts, propylene glycol monomethyl ether acetic acid 3.6-4.2 parts, polysiloxane 1.6-2.4 parts, polyoxyethylene Alkyl phenol ether 1.7-2.5 parts, dimethyl silicone polymer 2.6-3.5 parts, ethylene group bis-stearamides 1.5-2.5 parts, pigment 8.5- 12 parts, filler 5-8 parts, potassium hydroxide 1-4 parts, BTA 2-3 parts, melamine 1-2 parts, 12- hydroxy stearic acids 2-6 Part, methyl methacrylate 3-5 parts, lauryl sodium sulfate 2-5 parts, p-tert-amylphenol 3-7 parts, ttraethylammonium tetrafluoroborate 1- 3 parts, benzyl triphenyl phosphonium chloride phosphine 2-4 parts, trifluoroacetylacetone (TFA) cobalt 1-2 parts, methylene bromide 3-6 parts, aluminium powder 10-20 parts, zinc powder 10-20 parts, deionized water 80-100 parts, cosolvent 1.5-8 parts and auxiliary agent 1.5-2.5 parts.
- A kind of 2. metallic paint preparation technology, it is characterised in that：Comprise the following steps：1）Prepare aluminium powder and zinc powder：Fusing：After aluminium ingot melts in aluminium melting furnace, it is stored in the heat preservation zone in aluminium melting furnace；Atomization： The aluminium liquid in aluminium melting furnace inside holding area is transported in spray chamber by aluminium liquid delivery pipe, aluminium liquid passes through the gas in spray chamber Body atomizer carries out atomization granulation, forms micron order aluminium powder；Wherein the gas of gas atomizing nozzle is based on inert gas Mixed gas；Classification：Aluminium powder in spray chamber carries out classification processing by Geldart-D particle into clasfficiator, obtains different-grain diameter Aluminium powder finished product, zinc powder is similarly；2）Prepare composition A：Acrylic resin 50-68 parts, amino resins 4-10 parts and auxiliary agent auxiliary agent 1.5- are taken by mass fraction Put into dispersion cylinder for 2.5 parts and stir, mixing speed is that 400-500 turns/min, and uniform pre-composition is made in stirring 20-30min； Then in the pre-composition as made from mass fraction takes aluminium powder 10-20 parts to be added under stirring, zinc powder 10-20 is then added Part, regulation rotating speed is that 400-600 turns/min, stirs 25-50min, finally adds propylene glycol monomethyl ether acetic acid 3.6- by mass fraction 4.2 parts, polysiloxane 1.6-2.4 parts, polyoxyethylated alkyl phenol 1.7-2.5 parts, dimethyl silicone polymer 2.6-3.5 Part, ethylene group bis-stearamides 1.5-2.5 parts, pigment 8.5-12 parts, filler 5-8 parts, rotating speed are that 400-600 turns/min, stirring 25-50min, stand 25-30min and composition A is made；3）Prepare composition B：Deionized water 80-100 parts and cosolvent 1.5-8 parts is taken to put into dispersion cylinder and carry out by mass fraction Stir and evenly mix, mixing speed is that 250-300 turns/min, stirs 20-30min, potassium hydroxide 1-4 is then added under stirring Part, BTA 2-3 parts, melamine 1-2 parts and 12- hydroxy stearic acid 2-6 parts, regulation rotating speed are that 400-450 turns/min, 25-30min is stirred, is eventually adding methyl methacrylate 3-5 parts, lauryl sodium sulfate 2-5 parts, p-tert-amylphenol 3-7 Part, ttraethylammonium tetrafluoroborate 1-3 parts, benzyl triphenyl phosphonium chloride phosphine 2-4 parts, trifluoroacetylacetone (TFA) cobalt 1-2 parts and methylene bromide 3-6 Part, regulation rotating speed is that 500-550 turns/min, stirs 25-30min, stands 10-15min and composition B is made；4）Composition is compound：Composition A will be prepared and prepare composition B and be added sequentially in container, stir while adding, add Afterwards in stir about 15-25 minutes, obtained metallic paint.
- A kind of 3. metallic paint according to claim 1, it is characterised in that：The preparation method of the auxiliary agent is：By 20-40 Mass parts montmorillonite room temperature in distilled water is swelled 24 hours, forms montmorillonite suspension liquid；Being organised containing 10-20 mass parts The aqueous solution of modified additive is added in above-mentioned montmorillonite suspension liquid；60-70 °C is warming up to, strong agitation, reacts 3-5 hours；Will Reaction solution filters, and obtains white depositions, then be washed with distilled water to halogen-free ionic；By above-mentioned products obtained therefrom in 60-80 °C of vacuum Dry 20-30 hours, then grind, sieve after closed preservation, obtain auxiliary agent.
- A kind of 4. metallic paint according to claim 1, it is characterised in that：The preparation method of the cosolvent is：First ester Change reaction：The terminal methyl polyethylene glycol using molar ratio computing as 5%-20% expoxy propane, wherein terminal methyl polyethylene glycol will be contained Molecular weight be 300-6000, with mol ratio be 1: 2.5-10 methacrylic acid or acrylic acid mix, nitrogen protection with Under catalyst, 3-6 hours are reacted at a temperature of 105-125 °C；Wherein described catalyst is niter cake, toluene sulfonic acide The either concentrated sulfuric acid or two kinds of above-mentioned arbitrary proportion or three kinds of mixture；In polymerisation：By the esterification of above-mentioned preparation Thing, water dilution is added, it is 30-50% to make its concentration, the initiator that total reactant is 2-13% in mass is added, at 70-90 ° At a temperature of C react 2.5-6 hours, initiation aggregate into water-soluble high-molecular substance, wherein described initiator be potassium peroxydisulfate, Ammonium persulfate, the hydrogen peroxide either mixture of sodium peroxydisulfate or any two kinds or three kinds or four kinds of above-mentioned substance；Then Neutralization reaction：Add alkali in above-mentioned substance, adjustment pH value obtains cosolvent in 5-7.
- A kind of 5. metallic paint according to claim 4, it is characterised in that：The alkali is sodium hydroxide, potassium hydroxide, hydrogen Calcium oxide or sodium carbonate, or their any two and two or more mixtures.
- A kind of 6. metallic paint preparation technology according to claim 2, it is characterised in that：The step 4）The temperature of middle stirring Spend for normal temperature.
- A kind of 7. metallic paint preparation technology according to claim 2, it is characterised in that：The step 1）Middle heat preservation zone Temperature of aluminum liquid is maintained between 760 °C -840 °C.
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| CN201711035015.1A CN107573783A (en) | 2017-10-30 | 2017-10-30 | A kind of metallic paint and its preparation technology |
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| CN201711035015.1A CN107573783A (en) | 2017-10-30 | 2017-10-30 | A kind of metallic paint and its preparation technology |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63189479A (en) * | 1987-01-31 | 1988-08-05 | Aisin Chem Co Ltd | Metallic coating material composition for electrostatic coating |
| CN101921372A (en) * | 2010-08-20 | 2010-12-22 | 江苏特密斯混凝土外加剂有限公司 | Preparation method of cosolvent by compounding concrete admixture |
| CN104031501A (en) * | 2014-06-29 | 2014-09-10 | 柳州美纳机械有限公司 | Waterborne metallic paint |
| CN104194620A (en) * | 2014-09-10 | 2014-12-10 | 江苏欣安新材料技术有限公司 | Method for preparing VCI double-metal composite coating |
| CN104341821A (en) * | 2013-08-09 | 2015-02-11 | 青岛益群漆业集团有限公司 | Metallic paint |
-
2017
- 2017-10-30 CN CN201711035015.1A patent/CN107573783A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63189479A (en) * | 1987-01-31 | 1988-08-05 | Aisin Chem Co Ltd | Metallic coating material composition for electrostatic coating |
| CN101921372A (en) * | 2010-08-20 | 2010-12-22 | 江苏特密斯混凝土外加剂有限公司 | Preparation method of cosolvent by compounding concrete admixture |
| CN104341821A (en) * | 2013-08-09 | 2015-02-11 | 青岛益群漆业集团有限公司 | Metallic paint |
| CN104031501A (en) * | 2014-06-29 | 2014-09-10 | 柳州美纳机械有限公司 | Waterborne metallic paint |
| CN104194620A (en) * | 2014-09-10 | 2014-12-10 | 江苏欣安新材料技术有限公司 | Method for preparing VCI double-metal composite coating |
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