CN107880716A - A kind of nanometer strengthens water-based anticorrosive paint - Google Patents

A kind of nanometer strengthens water-based anticorrosive paint Download PDF

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Publication number
CN107880716A
CN107880716A CN201711172033.4A CN201711172033A CN107880716A CN 107880716 A CN107880716 A CN 107880716A CN 201711172033 A CN201711172033 A CN 201711172033A CN 107880716 A CN107880716 A CN 107880716A
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nanometer
coating
solid content
water
slurry
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汪海风
吴春春
盛建松
方竹根
杨辉
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Zhejiang California International Nanotechnology Research Institute Taizhou Branch
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Zhejiang California International Nanotechnology Research Institute Taizhou Branch
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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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • 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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • 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
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2244—Oxides; Hydroxides of metals of zirconium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paints Or Removers (AREA)

Abstract

The present invention relates to anti-corrosion of metal field, it is desirable to provide a kind of nanometer strengthens water-based anticorrosive paint.The coating is blended obtained by the raw material components of following weight percentage：Resin aqueous emulsion 40~55%, nanometer reinforcer slurry 40~55%, auxiliary agent 1.4~2%, water 1~8.5%；Wherein nanometer reinforcer slurry is by nano material and conventional inorganic filler, and co-ground is made after adding water.In the present invention, nano material is formed with conventional inorganic filler in advance receives the rock-steady structure unit of micro- cladding, and coating is prepared in resin is added to, when being avoided that individually addition nano material, the defects of nano material is easily reunited, and nanometer enhancement effect is difficult to play.And the rock-steady structure unit of micro- cladding received formed has good thixotropy, can improve coating storage stability and workability.To preventing oxygen, moisture penetration, enhancing coating antiseptic performance and raising coating mechanical property positive effect.

Description

A kind of nanometer strengthens water-based anticorrosive paint
Technical field
The present invention relates to a kind of nanometer to strengthen water-based anticorrosive paint, belongs to anti-corrosion of metal field.
Background technology
Metal material is occupied an important position with its excellent mechanical performance and processing performance in Material Field, but metal is rotten Erosion also causes huge loss to human society, storage equipment, petrochemical equipment, steel structure factory building, the ship manufactured such as metal material Oceangoing ship, engineering machinery etc., due to being destroyed for a long time by chemistry or electrochemical action by loss, cause substantial amounts of economic loss.For It metal erosion problem, can be protected using multiple technologies, slow down or prevent corrosion of metal, wherein most effective, the most frequently used Method is to coat erosion shield in metal surface, is contacted with completely cutting off corrosive medium with metallic substrates, reaches corrosion-resistant purpose.When Before, for anticorrosive metal paint mainly based on oil paint, coating process has substantial amounts of organic solvent to volatilize, and serious pollution is big Gas, influence human body health.Nowadays, environmental protection is increasingly subject to pay attention to, pollution-free, nuisanceless, and save the energy turns into the present The development principle of coating afterwards, and watery anti-corrosion paint is because its volatile matter is few, small to environment, human body harm, just gradually substitution passes System oil paint, turn into the main flow of future development, but water-based anticorrosive paint performance still lags behind oil paint at present.
With the continuous progress of material technology, the excellent specific property of nano composite dope increasingly attracts people's attention.Nanometer material Material has the characteristics such as small-size effect, skin effect, quantum effect, and nano material is dispersed in traditional anticorrosive paint, can be carried High coating property.Sun Jinyu etc. is by Nano-meter SiO_22Particle is added in water-based epoxy resin, and it is compound to prepare aqueous epoxy nano Coating, the results showed that coating has preferable antiseptic property.Xue Li etc. is nano-TiO2Particle is added to epoxy resin and solvent In, improve coating mechanical property and decay resistance.It is organic anti-that patent CN2013 10672858.8 discloses a kind of titanium nanometer The preparation method of rotten coating, it adds titanium nano particle in epoxide modified aqueous polyurethane emulsion, and the anti-corrosion prepared applies Material has preferable stability, water resistance and anti-corrosive properties.Patent CN201510104241.5 discloses a kind of organosilicon anti-corrosion and applied Material and preparation method thereof, it is toward with the addition of Nano-meter SiO_2 in coating2Powder and nano-ZnO, the product prepared is not only corrosion-resistant, It is wear-resistant, and the impervious power of waterproof layer cracking resistance formed is strong, good water-proof effect, service life length.Patent CN20171015 2282.0 disclose nano rare earth modified epoxy anticorrosive paint and preparation method thereof, and the coating has good uvioresistant And against weather.
At present, although nanometer enhancing anticorrosive paint makes some progress, more problem is still suffered from.Because nanometer is filled out Expect that specific surface area is big, surface free energy is high, and nano-particle is easily reunited, and makes nanoparticle even with the methods of ball milling, high-speed stirred Son is dispersed in coating, but they can also reunite, and loses the due effect of Nano filling.In addition, though inorganic nano is filled out The addition of material can strengthen coating mechanical property, but the combination between inorganic filler and organic matrix is weaker, cause coating to oxygen The iris action of gas and water etc. weakens, anti-corrosion bad stability.In a word, the research and development of current nanometer enhancing anticorrosive paint still have Treat in new breakthrough.
The content of the invention
The technical problem to be solved in the present invention is to overcome deficiency of the prior art, there is provided a kind of nanometer enhancing is water-based anti- Rotten coating.
To solve technical problem, solution of the invention is：
A kind of nanometer enhancing water-based anticorrosive paint is provided, the coating is blended by the raw material components of following weight percentage It is made：Resin aqueous emulsion 40~55%, nanometer reinforcer slurry 40~55%, auxiliary agent 1.4~2%, water 1~8.5%；
Wherein, resin aqueous emulsion is one kind in epoxy emulsion, acrylic emulsion, polyaminoester emulsion or alkyd emulsion； Nanometer reinforcer slurry is by nano material and conventional inorganic filler that weight ratio is 1: 10~30, adds co-ground system after water Into maximum particle diameter≤2 μm of slurry, solid content 40~60%；The auxiliary agent be levelling agent, defoamer, dispersant, wetting agent, One or more in coalescents, thickener.
In the present invention, the solid content of the epoxy emulsion is 45~55%, and the solid content of acrylic emulsion is 45~55%.
In the present invention, the nano material is SiO2Colloidal sol, Al2O3Colloidal sol, TiO2Colloidal sol, ZrO2It is a kind of or more in colloidal sol Kind, particle diameter≤50nm, solid content 30~50%；The conventional inorganic filler be titanium dioxide, iron oxide red, trbasic zinc phosphate, barium sulfate, One or more in calcium carbonate, talcum, mica, the mesh of particle diameter 800~3000.
In the present invention, the SiO210~50nm of particle diameter, the solid content 50% of colloidal sol；Al2O3The particle diameter 10 of colloidal sol~ 30nm, solid content 30%；The conventional inorganic filler is the titanium dioxide of 1000~3000 mesh, the iron oxide of 1000~3000 mesh The mica of red, 800~2000 mesh trbasic zinc phosphates or 1000~3000 mesh.
In the present invention, the resin aqueous emulsion is the epoxy resin latex of solid content 50%；The nanometer reinforcer Slurry is by particle diameter 30nm, solid content 50% SiO2The titanium dioxide of colloidal sol and 1250 mesh, the iron oxide red of 1250 mesh and water warp Nanometer sand mill co-ground is prepared, SiO2Colloidal sol and the weight of inorganic filler ratio are 1: 20, the μ of slurry maximum particle diameter≤1 M, solid content 60%.
Foregoing nanometer enhancing water-based anticorrosive paint can be prepared by following methods：
(1) each raw material components are taken by the part by weight；
(2) nano material, conventional inorganic filler and water are added into mixer, is stirred；
(3) nanometer sand mill cooling circulating water system is started, it is 5~20 DEG C to keep circulating cooling coolant-temperature gage, starts barrier film Pump, the mixed slurry in mixer is injected into sand mill inner chamber, the charge velocity of mixed slurry is 1~10L/min, is started Nanometer sand mill carries out circular grinding, and milling time is 60~180min, obtains a nanometer reinforcer slurry；
(4) toward adding resin aqueous emulsion, nanometer reinforcer slurry, auxiliary agent and water in paint mixing bucket, stirring 30~ 90min, obtain nanometer enhancing water-based anticorrosive paint.
The nanometer sand mill has ZrO2The inner bag and distribution blade of ceramics, use a diameter of 0.4~1.5mm ZrO2 Ceramic grinding media, and equipped with cooling-water machine, mixer and membrane pump as servicing unit.
Inventive technique principles illustrated：
The present invention overcomes nano material in Conventional nano enhancing anticorrosive paint easily to reunite, and nanometer enhancement effect is not notable and receives Between rice material and organic resin the defects of adhesion difference, prepare and start with from filler slurry, by SiO2The nano materials such as colloidal sol with often Inorganic filler and water are advised through nanometer sand mill co-ground, stabilization technique is cooperateed with by colloidal sol, during powder dispersing technology Realize Surface coating of the nano particle to conventional inorganic filler particle, formed and receive the rock-steady structure unit of micro- cladding, avoid nanometer Particle deuterogenesis reunites, enhancing coating rheological property, mechanical property and antiseptic property.
Compared with prior art, the device have the advantages that including：
1st, nano material is in advance with conventional inorganic filler by nanometer sand mill milled processed, is formed and receives the stabilization of micro- cladding Construction unit, coating being prepared in resin is added to, when being avoided that individually addition nano material, nano material is easily reunited, The defects of nanometer enhancement effect is difficult to play.And the rock-steady structure unit of micro- cladding received formed has good thixotropy, energy Improve coating storage stability and workability.
2nd, nano-material surface has the groups such as high activity sky valence link, hydroxyl, and chemical bond cooperation can be formed between resin With, and nano material is closely coated on conventional inorganic filler surface, therefore, nano material can play function served as bridge, reinforced resin Combined between filler, form more compact texture coating, to preventing oxygen, moisture penetration, strengthen coating antiseptic performance and raising Coating mechanical property positive effect.
3rd, in coating drying process, dehydration condensation can also occur for sol surface hydroxyl, so that by resin, filler more Add and closely link together, form finer and close large network structure, improve properties of coating.
Embodiment
Embodiment 1
A kind of nanometer strengthens water-based anticorrosive paint, is made up of the raw material of following weight percentage, aqueous epoxy emulsion (admittedly contain Amount 45%) 55%, nanometer reinforcer slurry (maximum particle diameter≤2 μm, solid content 60%) 40%, levelling agent 1%, defoamer 0.3%, dispersant 0.3%, wetting agent 0.3%, thickener 0.1%, water 3%.
Its preparation process is：1) nano material (SiO is added into mixer2Colloidal sol (50nm, solid content 50%)), it is inorganic (containing titanium dioxide (1250 mesh), iron oxide red (800 mesh), trbasic zinc phosphate (800 mesh), talcum powder (3000 mesh), weight ratio is 4 to filler: 4:1:1) and water, SiO2Colloidal sol is 1 with inorganic filler weight ratio:30, solids in pulp amount 60%, stir；2) nanometer is started Sand mill cooling circulating water system, it is 5 DEG C to keep circulating cooling coolant-temperature gage, starts membrane pump, mixed slurry in mixer is noted Enter into sand mill inner chamber, the charge velocity of mixed slurry is 1L/min, starts milling apparatus and carries out circular grinding, milling time For 180min, a nanometer reinforcer slurry is obtained；3) toward being proportionally added into resin aqueous emulsion, nanometer reinforcer in paint mixing bucket Slurry, auxiliary agent and water, 30min is stirred, obtain nanometer enhancing water-based anticorrosive paint.
Nanometer sand mill has ZrO2The inner bag and distribution blade of ceramics, use a diameter of 0.4~1.5mm ZrO2Ceramics Abrasive media, and as servicing unit, (following examples are set using identical grinding equipped with cooling-water machine, mixer and membrane pump It is standby).
Strengthen water-based anticorrosive paint after metallic-coated surface prepares coating using nanometer, coating adhesion presses GB/ T9286-1998 is tested, and pencil hardness is tested according to GB/T 6739-1996, and impact resistance is tested by GB/T 1732-1993, Salt spray resistance is tested by GB/T 1771-2007, the results are shown in Table 1.
Embodiment 2
A kind of nanometer strengthens water-based anticorrosive paint, is made up of the raw material of following weight percentage, aqueous acrylic emulsion (Gu Content 55%) 40%, nanometer reinforcer slurry (maximum particle diameter≤2 μm, solid content 40%) 55%, levelling agent 0.5%, defoaming Agent 0.2%, wetting agent 0.3%, dispersant 0.3%, coalescents 0.1%, water 3.6%.
Its preparation process is：1) nano material (Al is added into mixer2O3Colloidal sol (20nm, solid content 30%)), it is inorganic (containing titanium dioxide (1250 mesh), iron oxide red (1250 mesh), barium sulfate (2000 mesh), mica (3000 mesh), weight ratio is 2 to filler: 5:2.5:0.5) and water, Al2O3Colloidal sol is 1 with inorganic filler weight ratio:10, solids in pulp amount 40%, stir；2) start Nanometer sand mill cooling circulating water system, it is 20 DEG C to keep circulating cooling coolant-temperature gage, membrane pump is started, by mixing slurry in mixer Material is injected into sand mill inner chamber, and the charge velocity of mixed slurry is 10L/min, is started milling apparatus and is carried out circular grinding, grinds Consume time as 60min, obtain a nanometer reinforcer slurry；3) toward resin aqueous emulsion is proportionally added into paint mixing bucket, nanometer increases Strong filler slurry, auxiliary agent and water, stir 90min, obtain nanometer enhancing water-based anticorrosive paint.
Strengthen water-based anticorrosive paint after metallic-coated surface prepares coating using nanometer, coating adhesion presses GB/ T9286-1998 is tested, and pencil hardness is tested according to GB/T 6739-1996, and impact resistance is tested by GB/T 1732-1993, Salt spray resistance is tested by GB/T 1771-2007, the results are shown in Table 1.
Embodiment 3
A kind of nanometer strengthens water-based anticorrosive paint, is made up of the raw material of following weight percentage, aqueous polyurethane emulsion (Gu Content 50%) 45%, nanometer reinforcer slurry (maximum particle diameter≤2 μm, solid content 50%) 50%, levelling agent 1.2%, defoaming Agent 0.3%, wetting agent 0.2%, dispersant 0.3%, water 3%.
Its preparation process is：1) nano material (TiO is added into mixer2Colloidal sol (30nm, solid content 40%)), it is inorganic Filler is (containing titanium dioxide (1250 mesh), iron oxide red (1250 mesh), barium sulfate (2000 mesh), calcium carbonate (1250 mesh), talcum (3000 mesh), mica (3000 mesh), weight ratio are 2:4:2:1:0.5:0.5) and water, TiO2Colloidal sol is with inorganic filler weight ratio 1:20, solids in pulp amount 50%, stir；2) start nanometer sand mill cooling circulating water system, keep circulating cooling water temperature Spend for 15 DEG C, start membrane pump, mixed slurry in mixer is injected into sand mill inner chamber, the charge velocity of mixed slurry is 5L/min, start milling apparatus and carry out circular grinding, milling time 120min, obtain a nanometer reinforcer slurry；3) toward tune Resin aqueous emulsion, nanometer reinforcer slurry, auxiliary agent and water are proportionally added into paint can, stirs 60min, obtains nanometer enhancing Water-based anticorrosive paint.
Strengthen water-based anticorrosive paint after metallic-coated surface prepares coating using nanometer, coating adhesion presses GB/ T9286-1998 is tested, and pencil hardness is tested according to GB/T 6739-1996, and impact resistance is tested by GB/T 1732-1993, Salt spray resistance is tested by GB/T 1771-2007, the results are shown in Table 1.
Embodiment 4
A kind of nanometer strengthens water-based anticorrosive paint, is made up of the raw material of following weight percentage, water alcohol acid emulsion (admittedly contain Amount 48%) 45%, nanometer reinforcer slurry (maximum particle diameter≤2 μm, solid content 45%) 50%, levelling agent 0.5%, defoamer 0.3%, wetting agent 0.2%, dispersant 0.2%, coalescents 0.2%, thickener 0.1%, water 3.5%.
Its preparation process is：1) nano material (ZrO is added into mixer2Colloidal sol (20nm, solid content 40%)), it is inorganic Filler is (containing titanium dioxide (1250 mesh), trbasic zinc phosphate (1250 mesh), barium sulfate (2000 mesh), calcium carbonate (1250 mesh), talcum (3000 Mesh), mica (3000 mesh), weight ratio be 4:2:2:1:0.5:0.5) and water, ZrO2Colloidal sol is 1 with inorganic filler weight ratio:25, Solids in pulp amount 45%, stirs；2) nanometer sand mill cooling circulating water system is started, it is 10 to keep circulating cooling coolant-temperature gage DEG C, membrane pump is started, mixed slurry in mixer is injected into sand mill inner chamber, the charge velocity of mixed slurry is 6L/ Min, start milling apparatus and carry out circular grinding, milling time 150min, obtain a nanometer reinforcer slurry；3) toward paint mixing bucket In be proportionally added into resin aqueous emulsion, nanometer reinforcer slurry, auxiliary agent and water, stir 80min, it is water-based to obtain nanometer enhancing Anticorrosive paint.
Strengthen water-based anticorrosive paint after metallic-coated surface prepares coating using nanometer, coating adhesion presses GB/ T9286-1998 is tested, and pencil hardness is tested according to GB/T 6739-1996, and impact resistance is tested by GB/T 1732-1993, resistance to It is salt fog to be tested by GB/T 1771-2007, it the results are shown in Table 1.
Embodiment 5
A kind of nanometer strengthens water-based anticorrosive paint, is made up of the raw material of following weight percentage, aqueous acrylic emulsion (Gu Content 52%) 50%, nanometer reinforcer slurry (maximum particle diameter≤2 μm, solid content 55%) 40%, levelling agent 0.5%, defoaming Agent 0.3%, wetting agent 0.3%, dispersant 0.2%, coalescents 0.2%, water 8.5%.
Its preparation process is：1) nano material (SiO is added into mixer2Colloidal sol (30nm, solid content 50%), Al2O3 Colloidal sol (20nm, solid content 20%), weight is than 4:1), inorganic filler (containing titanium dioxide (1250 mesh), iron oxide red (1250 mesh), Barium sulfate (2000 mesh), weight ratio are 1:3:1) and water, nano material are 1 with inorganic filler weight ratio:20, solids in pulp amount 55%, stir；2) start nanometer sand mill cooling circulating water system, it is 10 DEG C to keep circulating cooling coolant-temperature gage, start every Membrane pump, mixed slurry in mixer is injected into sand mill inner chamber, the charge velocity of mixed slurry is 7L/min, starts grinding Equipment carries out circular grinding, milling time 140min, obtains a nanometer reinforcer slurry；3) toward being proportionally added into paint mixing bucket Resin aqueous emulsion, nanometer reinforcer slurry, auxiliary agent and water, 80min is stirred, obtain nanometer enhancing water-based anticorrosive paint.
Strengthen water-based anticorrosive paint after metallic-coated surface prepares coating using nanometer, coating adhesion presses GB/ T9286-1998 is tested, and pencil hardness is tested according to GB/T 6739-1996, and impact resistance is tested by GB/T 1732-1993, resistance to It is salt fog to be tested by GB/T 1771-2007, it the results are shown in Table 1.
Embodiment 6
A kind of nanometer strengthens water-based anticorrosive paint, is made up of the raw material of following weight percentage, aqueous epoxy emulsion (admittedly contain Amount 50%) 52%, nanometer reinforcer slurry (maximum particle diameter≤1 μm, solid content 60%) 45%, levelling agent 1%, defoamer 0.3%, wetting agent 0.2%, dispersant 0.3%, coalescents 0.2%, water 1%.
Its preparation process is：1) nano material (SiO is added into mixer2It is colloidal sol (30nm, solid content 50%), inorganic (containing titanium dioxide (1250 mesh), iron oxide red (1250 mesh), weight ratio is 1 to filler:3) and water, nano material and inorganic filler weight Amount is than being 1:20, solids in pulp amount 60%, stir；2) start nanometer sand mill cooling circulating water system, keep circulation cold But coolant-temperature gage is 10 DEG C, starts membrane pump, mixed slurry in mixer is injected into sand mill inner chamber, the injection of mixed slurry Speed is 5L/min, starts milling apparatus and carries out circular grinding, milling time 100min, obtains a nanometer reinforcer slurry； 3) toward resin aqueous emulsion, nanometer reinforcer slurry, auxiliary agent and water is proportionally added into paint mixing bucket, 50min is stirred, is received Meter Zeng Qiang water-based anticorrosive paints.
Strengthen water-based anticorrosive paint after metallic-coated surface prepares coating using nanometer, coating adhesion presses GB/ T9286-1998 is tested, and pencil hardness is tested according to GB/T 6739-1996, and impact resistance is tested by GB/T 1732-1993, resistance to It is salt fog to be tested by GB/T 1771-2007, it the results are shown in Table 1.
1. nanometers of enhancing water-based anticorrosive paint performances of table
Contrast embodiment
Following comparative example, set based on the best case (embodiment 6) of combination property in above-mentioned 6 cases Put.
Comparative example 1
Different from the preparation of nanometer reinforcer slurry in embodiment 6, respectively by SiO2Colloidal sol (30nm, solid content 50%) (containing titanium dioxide (1250 mesh), iron oxide red (1250 mesh), weight ratio is 1 with inorganic filler:3, maximum particle diameter after ball-milling treatment≤ 1 μm) it is separately added to prepare coating in resin emulsion, it is other to be same as embodiment 6.Coating performance is shown in Table 2.
Comparative example 2
By " aqueous epoxy emulsion (solid content 50%) 52%, nanometer reinforcer slurry (maximum particle diameter≤1 in embodiment 6 μm, solid content 60%) 45% " it is replaced by that " aqueous epoxy emulsion (solid content 50%) 35%, nanometer reinforcer slurry are (maximum Particle diameter≤1 μm, solid content 60%) 62% ", it is other to be same as embodiment 6.Coating performance is shown in Table 2.
Comparative example 3
By " aqueous epoxy emulsion (solid content 50%) 52%, nanometer reinforcer slurry (maximum particle diameter≤1 in embodiment 6 μm, solid content 60%) 45% " it is replaced by that " aqueous epoxy emulsion (solid content 50%) 62%, nanometer reinforcer slurry are (maximum Particle diameter≤1 μm, solid content 60%) 35% ", it is other to be same as embodiment 6.Coating performance is shown in Table 2.
Comparative example 4
By " nano material is 1 with inorganic filler weight ratio in embodiment 6:20 " are replaced by " nano material and inorganic filler Weight ratio is 0:20 ", it is other to be same as embodiment 6.Coating performance is shown in Table 2.
Comparative example 5
By " nano material is 1 with inorganic filler weight ratio in embodiment 6:20 " are replaced by " nano material and inorganic filler Weight ratio is 1:5 ", it is other to be same as embodiment 6.Coating performance is shown in Table 2.
Comparative example 6
By " nano material is 1 with inorganic filler weight ratio in embodiment 6:20 " are replaced by " nano material and inorganic filler Weight ratio is 1:40 ", it is other to be same as embodiment 6.Coating performance is shown in Table 2.
Comparative example 7
" maximum particle diameter≤1 μm " in embodiment 6 is replaced by " 5 μm of maximum particle diameter ", it is other to be same as embodiment 6.Coating 2 can be shown in Table.
Comparative example 8
" keep circulating cooling coolant-temperature gage be 10 DEG C " in embodiment 6 be replaced by " holding circulating cooling coolant-temperature gage is 25 DEG C ", it is other to be same as embodiment 6.Coating performance is shown in Table 2.
Comparative example 9
By " charge velocity of mixed slurry is that 5L/min " is replaced by that " charge velocity of mixed slurry is in embodiment 6 15L/min ", it is other to be same as embodiment 6.Coating performance is shown in Table 2.
Comparative example 10
By in embodiment 6 " milling time 100min " be replaced by " milling time 200min ", it is other to be same as embodiment 6.Coating performance is shown in Table 2.
Comparative example 11
By in embodiment 6 " milling time 100min " be replaced by " milling time 50min ", it is other to be same as embodiment 6. Coating performance is shown in Table 2.
Comparative example 12
By in comparative example 6 " stirring 50min " be replaced by " stirring 20min ", it is other to be same as embodiment 6.Coating performance is shown in Table 2。
From comparative example 1 as can be seen that working as SiO2Colloidal sol individually adds with conventional inorganic filler, coating pencil hardness, resistance to punching Hitting property and salt spray resistance have decline.The present invention is in advance by nanometer sand mill to SiO for this explanation2Colloidal sol and general inorganic are filled out Expect co-ground, formed and receive the rock-steady structure unit of micro- cladding, to avoiding nano particle deuterogenesis from reuniting, strengthen coating mechanics Performance and antiseptic property effect are obvious.
From comparative example 2~3 as can be seen that adjustment resin emulsion and filler usage of sizing agent are obvious on coating performance influence, when Reduce resin emulsion dosage, increase filler usage of sizing agent when, resin to filler coat it is insufficient, so as to cause coating adhesion, Salt spray resistance declines obvious.And when increase resin emulsion dosage, reduce filler slurry used time, coating pencil hardness and impact resistance The mechanical properties such as property decline substantially again.
Unused nano material in comparative example 4, no nanometer enhancement effect, therefore, coating mechanical property and salt spray resistance Equal degradation.Nano material dosage is excessive in comparative example 5, and coating shrinkage can be caused serious, and coating becomes fragile, ftractureed, and performance is very Difference.Nano material dosage is reduced in comparative example 6, nanometer humidification weakens, and coating mechanical property and salt spray resistance are homogeneous Determine degree to decline.
Filler slurry maximum particle diameter increases to 5 μm in comparative example 7, can reduce between organic resin and inorganic filler and be tightly combined Degree, therefore coating mechanical property and salt spray resistance are declined slightly.Comparative example 8~11 is to change nanometer sand mill technique ginseng Number, it is exactly that slurry maximum particle diameter increases to directly affect, and therefore, properties of coating declines.Comparative example 12 is reduced Coating mixing time, can influence coating uniformity, therefore coating performance is also declined slightly.
2. nanometers of enhancing water-based anticorrosive paint performances of table
Finally, it is also necessary to it is noted that listed above is only several specific embodiments of the invention.Obviously, this hair It is bright to be not limited to above example, there can also be many deformations.One of ordinary skill in the art can be from present disclosure All deformations for directly exporting or associating, are considered as protection scope of the present invention.

Claims (5)

1. a kind of nanometer strengthens water-based anticorrosive paint, it is characterised in that the coating is by the raw material components of following weight percentage It is blended to be made：Resin aqueous emulsion 40~55%, nanometer reinforcer slurry 40~55%, auxiliary agent 1.4~2%, water 1~ 8.5%；
Wherein, resin aqueous emulsion is one kind in epoxy emulsion, acrylic emulsion, polyaminoester emulsion or alkyd emulsion；Nanometer Reinforcer slurry is that co-ground is made after adding water by nano material and conventional inorganic filler that weight ratio is 1: 10~30, Maximum particle diameter≤2 μm of slurry, solid content 40~60%；The auxiliary agent is levelling agent, defoamer, dispersant, wetting agent, film forming One or more in auxiliary agent, thickener.
2. coating according to claim 1, it is characterised in that the solid content of the epoxy emulsion is 45~55%, propylene The solid content of yogurt liquid is 45~55%.
3. coating according to claim 1, it is characterised in that the nano material is SiO2Colloidal sol, Al2O3Colloidal sol, TiO2 Colloidal sol, ZrO2It is one or more in colloidal sol, particle diameter≤50nm, solid content 30~50%；The conventional inorganic filler be titanium dioxide, One or more in iron oxide red, trbasic zinc phosphate, barium sulfate, calcium carbonate, talcum, mica, the mesh of particle diameter 800~3000.
4. coating according to claim 3, it is characterised in that the SiO210~50nm of particle diameter, the solid content of colloidal sol 50%；Al2O310~30nm of particle diameter, the solid content 30% of colloidal sol；The conventional inorganic filler is the titanium white of 1000~3000 mesh Powder, the iron oxide red of 1000~3000 mesh, the mica of the trbasic zinc phosphate of 800~2000 mesh or 1000~3000 mesh.
5. coating according to claim 1, it is characterised in that the resin aqueous emulsion is the asphalt mixtures modified by epoxy resin of solid content 50% Fat liquor；The nanometer reinforcer slurry is by particle diameter 30nm, solid content 50% SiO2The titanium dioxide of colloidal sol and 1250 mesh, The iron oxide red and water of 1250 mesh are prepared through nanometer sand mill co-ground, SiO2Colloidal sol and the weight of inorganic filler ratio are 1: 20, slurry maximum particle diameter≤1 μm, solid content 60%.
CN201711172033.4A 2017-11-22 2017-11-22 A kind of nanometer strengthens water-based anticorrosive paint Pending CN107880716A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108707379A (en) * 2018-06-13 2018-10-26 重庆文理学院 A kind of anti-corrosion nano modification exterior wall emulsion paint and preparation method thereof
CN108976984A (en) * 2018-06-26 2018-12-11 阜南县星光工艺品有限公司 A kind of bamboo handicraft product environmental protection paint
CN109233470A (en) * 2018-08-01 2019-01-18 武汉格瑞奥科技有限公司 A kind of aqueous hybrid inorganic-organic anticorrosive paint containing nanometer aluminium silicate composite powder and preparation method thereof and application method
CN109517515A (en) * 2018-10-31 2019-03-26 韶关市合众化工有限公司 A kind of aqueous polyurethane non-corrosive metal (NCM) priming paint and preparation method thereof
CN109593453A (en) * 2018-12-18 2019-04-09 浙江大学自贡创新中心 A kind of preparation method of high-hard, transparent polyurethane coating
CN111154379A (en) * 2020-01-19 2020-05-15 南通大学 Preparation method of waterborne epoxy resin emulsion containing nano wear-resistant material
CN112080188A (en) * 2018-10-29 2020-12-15 苏州太湖电工新材料股份有限公司 Preparation method of water-based epoxy surface paint suitable for electrical equipment
CN115386251A (en) * 2022-10-31 2022-11-25 河北盛火新材料科技有限公司 Preparation method of inorganic ceramic waterproof paint
CN116218306A (en) * 2023-03-21 2023-06-06 济南天盟新材料科技有限公司 Protective coating for lithium ion battery slurry stirring equipment and preparation method

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CN103232771A (en) * 2013-05-09 2013-08-07 北京中科捷达纳米应用科技有限公司 Waterborne nano coil coating and preparation method thereof

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CN103232771A (en) * 2013-05-09 2013-08-07 北京中科捷达纳米应用科技有限公司 Waterborne nano coil coating and preparation method thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108707379A (en) * 2018-06-13 2018-10-26 重庆文理学院 A kind of anti-corrosion nano modification exterior wall emulsion paint and preparation method thereof
CN108976984A (en) * 2018-06-26 2018-12-11 阜南县星光工艺品有限公司 A kind of bamboo handicraft product environmental protection paint
CN109233470A (en) * 2018-08-01 2019-01-18 武汉格瑞奥科技有限公司 A kind of aqueous hybrid inorganic-organic anticorrosive paint containing nanometer aluminium silicate composite powder and preparation method thereof and application method
CN112080188A (en) * 2018-10-29 2020-12-15 苏州太湖电工新材料股份有限公司 Preparation method of water-based epoxy surface paint suitable for electrical equipment
CN112080188B (en) * 2018-10-29 2022-02-11 苏州太湖电工新材料股份有限公司 Preparation method of water-based epoxy surface paint suitable for electrical equipment
CN109517515A (en) * 2018-10-31 2019-03-26 韶关市合众化工有限公司 A kind of aqueous polyurethane non-corrosive metal (NCM) priming paint and preparation method thereof
CN109593453A (en) * 2018-12-18 2019-04-09 浙江大学自贡创新中心 A kind of preparation method of high-hard, transparent polyurethane coating
CN111154379A (en) * 2020-01-19 2020-05-15 南通大学 Preparation method of waterborne epoxy resin emulsion containing nano wear-resistant material
CN115386251A (en) * 2022-10-31 2022-11-25 河北盛火新材料科技有限公司 Preparation method of inorganic ceramic waterproof paint
CN116218306A (en) * 2023-03-21 2023-06-06 济南天盟新材料科技有限公司 Protective coating for lithium ion battery slurry stirring equipment and preparation method
CN116218306B (en) * 2023-03-21 2024-03-08 济南天盟新材料科技有限公司 Protective coating for lithium ion battery slurry stirring equipment and preparation method

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Application publication date: 20180406