CN103173087B - Anticorrosion Antistatic Paint of a kind of water-and acrylate Graft Epoxy Resin and preparation method thereof - Google Patents

Anticorrosion Antistatic Paint of a kind of water-and acrylate Graft Epoxy Resin and preparation method thereof Download PDF

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CN103173087B
CN103173087B CN201310093936.9A CN201310093936A CN103173087B CN 103173087 B CN103173087 B CN 103173087B CN 201310093936 A CN201310093936 A CN 201310093936A CN 103173087 B CN103173087 B CN 103173087B
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agent
coating
epoxy resin
thickening
coalescence aid
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CN201310093936.9A
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CN103173087A (en
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朱爱萍
夏中高
毛正和
万亚
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扬州市伊丽特高分子材料科技有限公司
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Abstract

Anticorrosion Antistatic Paint of a kind of water-and acrylate Graft Epoxy Resin and preparation method thereof, relate to the production technical field of coating, the present invention selects carbon nanotube as anti-electrostatic auxiliary agent, filmogen adopts acrylic ester grafted epoxy resin latex, effectively can integrate the feature of acrylate resin and epoxy resin.The anticorrosion Antistatic Paint stability in storage of preparation is good, has good workability, and dried coating film is fast, and smooth coating after dry has excellent mechanical property, antistatic performance, acidproof, alkaline-resisting, salt water resistance etc.

Description

Anticorrosion Antistatic Paint of a kind of water-and acrylate Graft Epoxy Resin and preparation method thereof
Technical field
The present invention relates to the production technical field of coating, particularly aqueous antistatic protective system technical field.
Background technology
In recent years, the Petroleum and Petrochemical Industry of China obtains fast development, and petroleum and petrochemical industry metal tank also increases thereupon, and therefore the protective coating of storage tank also day by day receives and pays close attention to and pay attention to.The electrostatic that oil storage tank inner-wall produces and corrosion, seriously can jeopardize the quality and safety of oil product storage, so must protect tank body.At present, the oil reserve static conductive coating that application quantity is larger on the market, be conducting medium mainly with conductive filler materials such as metal, carbonaceous material or metal oxides, because its add-on is large, the preservative property of coating and electroconductibility can not be taken into account, there is the shortcomings such as contaminated product, preservative property and poor adhesive force, pot life be short.
Summary of the invention
The invention provides that a kind of cost is low, excellent storage stability, water-fast, excellent corrosion resistance, anticorrosion Antistatic Paint of water-and acrylate Graft Epoxy Resin that anti-static effect preferably can solidify at ambient temperature and preparation method thereof.
The present invention is made up of membrane-forming agent and solidifying agent, described membrane-forming agent is primarily of purifying carbon nano-tube dispersion liquid, thickening material A, wetting agent, rust-stabilising pigment, talcum powder, barium sulfate, mica powder, defoamer, sterilant, frostproofer, film coalescence aid A, acrylic ester grafted epoxy resin latex, the agent of anti-sudden strain of a muscle rust, thickening material B, flow agent and film coalescence aid B form, described purifying carbon nano-tube dispersion liquid, thickening material A, wetting agent, rust-stabilising pigment, talcum powder, barium sulfate, mica powder, defoamer, sterilant, frostproofer, film coalescence aid A, acrylic ester grafted epoxy resin latex, the agent of anti-sudden strain of a muscle rust, thickening material B, flow agent, the mass ratio of film coalescence aid B and solidifying agent is 355.3 ~ 410.7 ︰ 1 ~ 3 ︰ 2 ~ 5 ︰ 215 ~ 330 ︰ 45 ~ 65 ︰ 165 ~ 185 ︰ 30 ~ 45 ︰ 0.5 ~ 2 ︰ 1 ~ 3 ︰ 15 ~ 25 ︰ 20 ~ 30 ︰ 750 ~ 900 ︰ 2 ~ 5 ︰ 1 ~ 2 ︰ 2 ~ 4 ︰ 20 ~ 30 ︰ 15 ~ 54, described carbon nanotube accounts for 3 ~ 7% of coating solid total amount.
The structure of carbon nanotube because of its novelty and the characteristic such as electroconductibility, high physical strength of its excellence, may be used on paint field, promotes traditional performance of coating and give its new function.Carbon nanotube, compared with other conducting metal or graphite granule, only need less addition just can form conductive net, and its density ratio metallic particles is much smaller, is not easy the coagulation because of the effect of gravity; Itself and organic consistency are also better than metallic particles.Due to carbon nanotube, there is splendid conductivity simultaneously and have larger length-to-diameter ratio, novel anticorrosion static conductive coating using carbon nanotube as conductive functional filler, static conductive coating is made to possess more excellent performance, solve anticorrosion Antistatic Paint sticking power and antiseptic property in the past poor, the difficult problem that anticorrosion and conductivity can not be taken into account, to ensureing oil quality, guaranteeing the safety in transportation and storage of oil product, extend storage tank work-ing life, meet the static conductive rot-resistant requirement of oil reserve field, there is stronger realistic meaning.
The invention has the beneficial effects as follows:
1, filmogen of the present invention adopts acrylic ester grafted epoxy resin latex, effectively can integrate the feature of acrylate resin and epoxy resin.The anticorrosion Antistatic Paint of preparation, the aqueous epoxy resins anti-corrosive and static conductive coating of its performance and import is close, but cost performance is high, applied widely, has significant Social benefit and economic benefit.
2, the present invention selects carbon nanotube as anti-electrostatic auxiliary agent, loading level just can make coating possess excellent anti-static effect less, simultaneously again on the mechanical property of coating and Corrosion Protection impact little, solve the difficult problem that water-repellent preservation Antistatic Paint sticking power, antiseptic property and conductivity in the past can not be taken into account.
3, the present invention's acid wash carries out purification process to carbon nanotube, improve the antistatic performance of carbon nanotube, carbon nanotube introduces active group after treatment simultaneously, the polar functional group introduced can improve the interfacial adhesion of carbon nanotube and coating filmogen, improve resistance toheat and the endurance quality of coating, and with dispersion agent, surface modification is carried out to improve the dispersion stabilization of carbon nanotube in coating to the carbon nanotube after purifying.
The present invention can be used for the anti-electrostatic protection against corrosion of oil movement and storage equipment, large storage tank.This coating stability in storage is good, has good workability, and dried coating film is fast, and smooth coating after dry has excellent mechanical property, antistatic performance, acidproof, alkaline-resisting, salt water resistance etc.
Thickening material A of the present invention is Natvosol or Walocel MT 20.000PV.
Described wetting agent is BYK-181.
Described rust-stabilising pigment is made up of red iron oxide, aluminium triphosphate and zinc phosphate, and the mass ratio of red iron oxide, aluminium triphosphate and zinc phosphate is 20:37:9.
Described film coalescence aid A is lauryl alcohol ester.
Described thickening material B is polyurethane associative thickener or urethane streaming variant thickening material.
Described film coalescence aid B is ethylene glycol monobutyl ether.
Described solidifying agent is diethylenetriamine, tetraethylene pentamine or hydroxyethylethylene diamine.
The present invention also proposes a kind of production technique preparing to coat, and step is as follows:
1) purifying carbon nano-tube dispersion liquid is prepared: after the impurity in carbon nanotube acid elution removing carbon nanotube, then remove residual acid with deionized water washing, obtain purifying carbon nano-tube; Then purifying carbon nano-tube is joined in the water containing dispersant with high efficiency and carry out high speed shear 0.5h, the purifying carbon nano-tube dispersion liquid of obtained carbon nanotubes quality 1 ~ 5%;
2) slurry is prepared: in purifying carbon nano-tube dispersion liquid, add wetting agent, thickening material A, rust-stabilising pigment, talcum powder, barium sulfate, mica powder, defoamer, sterilant, frostproofer and film coalescence aid A, agitation grinding to fineness reaches≤and 45 μm;
3) film is prepared into: get slurry, acrylic ester grafted modified epoxy resin emulsion, the agent of anti-sudden strain of a muscle rust, thickening material B, film coalescence aid B and flow agent and stir, obtained membrane-forming agent;
4) prepare anticorrosion Antistatic Paint: membrane-forming agent and solidifying agent are mixed, obtain the anticorrosion Antistatic Paint of water-and acrylate Graft Epoxy Resin; The mixing quality of described solidifying agent is 3% of acrylic ester grafted modified epoxy resin emulsion quality in membrane-forming agent;
Described purifying carbon nano-tube dispersion liquid, thickening material A, wetting agent, rust-stabilising pigment, talcum powder, barium sulfate, mica powder, defoamer, sterilant, frostproofer, film coalescence aid A, acrylic ester grafted epoxy resin latex, the agent of anti-sudden strain of a muscle rust, thickening material B, flow agent, the mass ratio that feeds intake of film coalescence aid B and solidifying agent is 355.3 ~ 410.7 ︰ 1 ~ 3 ︰ 2 ~ 5 ︰ 215 ~ 330 ︰ 45 ~ 65 ︰ 165 ~ 185 ︰ 30 ~ 45 ︰ 0.5 ~ 2 ︰ 1 ~ 3 ︰ 15 ~ 25 ︰ 20 ~ 30 ︰ 750 ~ 900 ︰ 2 ~ 5 ︰ 1 ~ 2 ︰ 2 ~ 4 ︰ 20 ~ 30 ︰ 15 ~ 54, described carbon nanotube accounts for 3 ~ 7% of coating solid total amount.
Present invention process is simple, reasonable, the good stability of product.
Separately, the present invention is when preparing purifying carbon nano-tube dispersion liquid, and described dispersant with high efficiency is by SF-03 and water, and described SF-03 accounts for 2.5% ~ 3% of dispersant with high efficiency total mass.
Accompanying drawing explanation
Fig. 1 is the scanning electron microscope (SEM) photograph of the carbon nanotube before sour purification process.
Fig. 2 is the scanning electron microscope (SEM) photograph of the carbon nanotube after sour purification process.
Fig. 3 is the infrared spectrogram of the carbon nanotube before and after sour purification process.
Embodiment
One, embodiment 1:
1, mill base is prepared:
Take water 367g, then dispersion agent (SF-03) 9g, wetting agent (BYK-181) 4g is added successively, Natvosol 1g, defoamer (BYK-025) 1g, sterilant (981) 1g, pH adjusting agent (AMP-95) 2g, antifreeze glycol 20g, film coalescence aid A(lauryl alcohol ester) 25g, stir about 15min, forms homodisperse system; And then add red iron oxide 100g, mica powder (800 order) 40g, talcum powder (1250 order) 50g, barium sulfate (1250 order) 180g successively, aluminium triphosphate 135g, zinc phosphate 45g, high-speed stirring grinding (2500 turns/min) 1.5h, fineness reaches≤and 45 μm.
2, film is prepared into:
Get above-mentioned slurry 1000g, add acrylic ester grafted epoxy resin latex 800g, anti-sudden strain of a muscle rust agent 4.5g, thickening material B(polyurethane associative thickener) 2g, urethane streaming variant thickening material 3.6g, film coalescence aid ethylene glycol monobutyl ether 24g, stirs and obtains membrane-forming agent.
3, coating is prepared:
In membrane-forming agent, add component B diethylenetriamine (massfraction the is 50%) 24g of 3% of acrylic ester grafted epoxy resin latex consumption before using, stir and prepare the anticorrosion Antistatic Paint of two-component acrylicester Graft Epoxy Resin.
4, apply:
By the large storage tank surface of this paint spay-coating in oil movement and storage equipment, be placed in the temperature environment of 20 ~ 25 DEG C, solidify 48 hours.
5, the key technical indexes of coating and application product:
Index name Technical indicator The method of inspection
Coating state Even without lump Range estimation
Solid part, % ≧52.5 GB/T 6751
Film color and outward appearance Smooth coating is smooth Range estimation
Sticking power (drawing circle method)/level 0 GB/T 9286-1998
Shock-resistant, Kgcm ≧50 GB/T 1732-1993
Hardness (pencil method)/level 3H GB/T 6739
Snappiness, mm 1 GB/T 1731
Surface resistivity/Ω 4.45×10 9 GB6950—2001
Water tolerance/h (25 DEG C) 700h film is non-foaming, non-corrosive GB/T 1733-1993
Salt water resistance/h (NaCl of 3%, 25 DEG C) 720h film is non-foaming, non-corrosive GB/T 2974-1988
The H of acid resistance/h(5% 2SO 4,25℃) 240h film is non-foaming, non-corrosive GB/T 2974-1988
The NaOH of alkali resistance/h(5%, 25 DEG C) 240h film is non-foaming, non-corrosive GB/T 2974-1988
Resistance to neutral salt spray test 600 h rule unidirectional corrosion < 2 mm GB/T 1771-2007
Artificial weathering, h 500 variable colors 4 grades GB/T 1865-2009
As seen from the above table: the paint machine mechanical property of carbon-free nanoscale pipe, resistance to chemical corrosion and weathering resistance are all very excellent.But sheet resistance value is up to 4.45 × 10 9do not possess antistatic performance.
Two, embodiment 2:
1, the purifying of carbon nanotube: by 2 g carbon nanotube 5%HF and 5%HNO 3wash, to remove the impurity in carbon nanotube, then remove residual acid with deionized water washing.
Fig. 1 is the scanning electron microscope (SEM) photograph of the carbon nanotube without purification process, and Fig. 2 is the scanning electron microscope (SEM) photograph of the carbon nanotube through purification process.Comparison diagram 1,2, visible: after process, carbon nano tube surface impurity obviously reduces, and illustrates that carbon nanotube obtains purifying, be conducive to improving body material antistatic performance.
In Fig. 3, curve a is the infrared spectrogram of the carbon nanotube without purification process, and curve b is the infrared spectrogram of the carbon nanotube through purification process.Two curve comparisons are visible: at 1495cm -1place's hydroxyl stretching vibration peak obviously strengthens, and illustrates to introduce carboxyl in carbon nano tube surface, is conducive to forming good interfacial adhesion with body material.
2, the dispersion of carbon nanotube: join walking the pure nano-carbon tube obtained on the containing 9g dispersion agent SF-03(polyacrylic acid sodium salt) 365g water under 2500 turns/min condition high speed shear 0.5h, form the purifying carbon nano-tube dispersion liquid that carbon nanotubes massfraction is 4.76 %.
3, the preparation of anticorrosion anti-electrostatic slurry: add wetting agent (BYK-181) 4g in above purifying carbon nano-tube dispersion liquid, Natvosol (HBR-250) 1g, defoamer (BYK-025) 1g, sterilant (981) 1g, pH adjusting agent (AMP-95) 2g, antifreeze glycol 20g, film coalescence aid A(lauryl alcohol ester) 25g, stir 15min, form homodisperse system; And then add red iron oxide 100g, mica powder (800 order) 40g, talcum powder (1250 order) 50g, barium sulfate (1250 order) 180g, aluminium triphosphate 135g and zinc phosphate 45g, under 2500 turns/min condition high-speed stirring grinding 1.5h, make the fineness of mixed slurry reach≤45 μm.
4, the preparation of membrane-forming agent: get above-mentioned mixed slurry 1000g, add acrylic ester grafted epoxy resin latex 800g, anti-sudden strain of a muscle rust agent 4.5g, polyurethane associative thickener 2g, urethane streaming variant thickening material 3.6g, film coalescence aid ethylene glycol monobutyl ether 24g and flow agent 1.8 g, stir and obtain the first component of the anticorrosion Antistatic Paint of water-and acrylate Graft Epoxy Resin, be i.e. membrane-forming agent.
5, the preparation of coating: before use, solidifying agent is added in above membrane-forming agent---diethylenetriamine (massfraction is 50%) 24g, stirs and prepares the anticorrosion Antistatic Paint of acrylic ester grafted epoxy resin that carbon nanotube in coating accounts for solid total mass 1%.
6, apply:
By the large storage tank surface of this paint spay-coating in oil movement and storage equipment, be placed in the temperature environment of 20 ~ 25 DEG C, solidify 48 hours.
7, the key technical indexes of coating and application product:
Index name Technical indicator The method of inspection
Coating state Even without lump Range estimation
Solid part, % ≧52.5 GB/T 6751
Film color and outward appearance Smooth coating is smooth Range estimation
Sticking power (drawing circle method)/level 1 GB/T 9286-1998
Shock-resistant, Kgcm ≧50 GB/T 1732-1993
Hardness (pencil method)/level 3H GB/T 6739
Snappiness, mm 1 GB/T 1731
Surface resistivity/Ω 3.68×10 9 GB6950—2001
Water tolerance/h (25 DEG C) 700h film is non-foaming, non-corrosive GB/T 1733-1993
Salt water resistance/h (NaCl of 3%, 25 DEG C) 720h film is non-foaming, non-corrosive GB/T 2974-1988
The H of acid resistance/h(5% 2SO 4,25℃) 240h film is non-foaming, non-corrosive GB/T 2974-1988
The NaOH of alkali resistance/h(5%, 25 DEG C) 240h film is non-foaming, non-corrosive GB/T 2974-1988
Resistance to neutral salt spray test 600 h rule unidirectional corrosion < 2 mm GB/T 1771-2007
Artificial weathering, h 500 variable colors 4 grades GB/T 1865-2009
The coating of carbon nanotube as seen from the above table: be added with solids coatings 1%(quality) is not enough to the surface resistivity effectively reducing coating, does not namely have antistatic performance.But after interpolation purifying carbon nano-tube the mechanical mechanics property of coating and chemical resistance unaffected.
Three, embodiment 3:
1, the purifying of carbon nanotube: by 10 g carbon nanotube 5%HF and 5%HNO 3wash, to remove the impurity in carbon nanotube, then remove residual acid with deionized water washing.
2, the dispersion of carbon nanotube: joined by the carbon nanotube that upper step obtains in the 357g water containing 9g dispersion agent SF-03 and carry out high speed shear (2500 turns/min) 0.5h, forms the purifying carbon nano-tube dispersion liquid that carbon nanotubes massfraction is 23.5 %.
3, the preparation of anticorrosion anti-electrostatic slurry: add wetting agent (BYK-181) 4g in above purifying carbon nano-tube dispersion liquid, Walocel MT 20.000PV 1g, defoamer (BYK-025) 1g, sterilant (981) 1g, pH adjusting agent (AMP-95) 2g, antifreeze glycol 20g, film coalescence aid A(lauryl alcohol ester) 25g, stir about 15min, forms homodisperse system; And then add red iron oxide 100g, mica powder (800 order) 40g, talcum powder (1250 order) 50g, barium sulfate (1250 order) 180g, aluminium triphosphate 135g and zinc phosphate 45g, high-speed stirring grinding (2500 turns/min) 1.5h, make the fineness of mixed slurry reach≤45 μm.
4, the preparation of membrane-forming agent: get above-mentioned slurry 1000g, add acrylic ester grafted epoxy resin latex 800g, anti-sudden strain of a muscle rust agent 4.5g, polyurethane associative thickener 2g, urethane streaming variant thickening material 3.6g, film coalescence aid ethylene glycol monobutyl ether 24g and flow agent 1.8g, stir and obtain water-and acrylate Graft Epoxy Resin anticorrosion Antistatic Paint first component, be i.e. membrane-forming agent.
5, the preparation of coating: before use, add solidifying agent in membrane-forming agent---diethylenetriamine (massfraction is 50%) 24g, stirs and prepares the anticorrosion Antistatic Paint of two-component acrylicester Graft Epoxy Resin.
6, apply: by the large storage tank surface of this paint spay-coating in oil movement and storage equipment, be placed in the temperature environment of 20 ~ 25 DEG C, solidify 48 hours.
7, the key technical indexes of coating and application product:
Index name Technical indicator The method of inspection
Coating state Even without lump Range estimation
Solid part, % ≧52.5 GB/T 6751
Film color and outward appearance Smooth coating is smooth Range estimation
Sticking power (drawing circle method)/level 2 GB/T 9286-1998
Shock-resistant, Kgcm ≧50 GB/T 1732-1993
Hardness (pencil method)/level 3H GB/T 6739
Snappiness, mm 2 GB/T 1731
Surface resistivity/Ω ≦1.0×10 6 GB6950—2001
Water tolerance/h (25 DEG C) 700h film is non-foaming, non-corrosive GB/T 1733-1993
Salt water resistance/h (NaCl of 3%, 25 DEG C) 720h film is non-foaming, non-corrosive GB/T 2974-1988
The H of acid resistance/h(5% 2SO 4,25℃) 240h film is non-foaming, non-corrosive GB/T 2974-1988
The NaOH of alkali resistance/h(5%, 25 DEG C) 240h film is non-foaming, non-corrosive GB/T 2974-1988
Resistance to neutral salt spray test 600 h rule unidirectional corrosion < 2 mm GB/T 1771-2007
Artificial weathering, h 500 variable colors 4 grades GB/T 1865-2009
The coating of carbon nanotube as seen from the above table: be added with solids coatings 5%(quality) not only has excellent mechanical mechanics property and chemical resistance, and the surface resistivity of coating is reduced to 10 simultaneously 6the order of magnitude, presents excellent antistatic performance.
Four, embodiment 4:
With embodiment 3 roughly the same, contriver also obtains the coating being added with the carbon nanotube of solids coatings 2%, 3%, 6%, 7%, 7.5% respectively, after tested, the coating being added with the carbon nanotube of solids coatings 3%, 6% and 7% not only has excellent mechanical mechanics property and chemical resistance respectively, and the surface resistivity of coating is reduced to 10 simultaneously 6the order of magnitude, presents excellent antistatic performance.
But the coating property and the embodiment two that are added with the carbon nanotube of solids coatings 2% are suitable, and coating is not enough to the surface resistivity effectively reducing coating, does not namely have antistatic performance.
Although the surface resistivity being added with the coating coating of the carbon nanotube of solids coatings 7.5% is reduced to 10 6the order of magnitude, present excellent antistatic performance, but its mechanical mechanics property and chemical resistance is not good.
Be added with the coating that solids coatings is the carbon nanotube of 3% to 7% as seen, not only have excellent mechanical mechanics property and chemical resistance, the surface resistivity of coating is reduced to 10 simultaneously 6the order of magnitude, presents excellent antistatic performance.

Claims (10)

1. the anticorrosion Antistatic Paint of water-and acrylate Graft Epoxy Resin, be made up of membrane-forming agent and solidifying agent, it is characterized in that described membrane-forming agent is primarily of purifying carbon nano-tube dispersion liquid, thickening material A, wetting agent, rust-stabilising pigment, talcum powder, barium sulfate, mica powder, defoamer, sterilant, frostproofer, film coalescence aid A, acrylic ester grafted epoxy resin latex, the agent of anti-sudden strain of a muscle rust, thickening material B, flow agent and film coalescence aid B form, described purifying carbon nano-tube dispersion liquid, thickening material A, wetting agent, rust-stabilising pigment, talcum powder, barium sulfate, mica powder, defoamer, sterilant, frostproofer, film coalescence aid A, acrylic ester grafted epoxy resin latex, the agent of anti-sudden strain of a muscle rust, thickening material B, flow agent, the mass ratio of film coalescence aid B and solidifying agent is 355.3 ~ 410.7 ︰ 1 ~ 3 ︰ 2 ~ 5 ︰ 215 ~ 330 ︰ 45 ~ 65 ︰ 165 ~ 185 ︰ 30 ~ 45 ︰ 0.5 ~ 2 ︰ 1 ~ 3 ︰ 15 ~ 25 ︰ 20 ~ 30 ︰ 750 ~ 900 ︰ 2 ~ 5 ︰ 1 ~ 2 ︰ 2 ~ 4 ︰ 20 ~ 30 ︰ 15 ~ 54, described carbon nanotube accounts for 3 ~ 7% of coating solid quality total amount.
2. coating according to claim 1, is characterized in that described thickening material A is Natvosol or Walocel MT 20.000PV.
3. coating according to claim 1, is characterized in that described wetting agent is BYK-181.
4. coating according to claim 1, it is characterized in that described rust-stabilising pigment is made up of red iron oxide, aluminium triphosphate and zinc phosphate, the mass ratio of red iron oxide, aluminium triphosphate and zinc phosphate is 20:37:9.
5. coating according to claim 1, is characterized in that described film coalescence aid A is lauryl alcohol ester.
6. coating according to claim 1, is characterized in that described thickening material B is polyurethane associative thickener or urethane streaming variant thickening material.
7. coating according to claim 1, is characterized in that described film coalescence aid B is ethylene glycol monobutyl ether.
8. coating according to claim 1, is characterized in that described solidifying agent is diethylenetriamine, tetraethylene pentamine or hydroxyethylethylene diamine.
9. a preparation method for the anticorrosion Antistatic Paint of water-and acrylate Graft Epoxy Resin, is characterized in that comprising the following steps:
1) purifying carbon nano-tube dispersion liquid is prepared: after the impurity in carbon nanotube acid elution removing carbon nanotube, then remove residual acid with deionized water washing, obtain purifying carbon nano-tube; Then joined by purifying carbon nano-tube in the water containing dispersant with high efficiency and carry out high speed shear 0.5h, obtained carbon nanotubes massfraction is the purifying carbon nano-tube dispersion liquid of 1 ~ 5%;
2) slurry is prepared: in purifying carbon nano-tube dispersion liquid, add wetting agent, thickening material A, rust-stabilising pigment, talcum powder, barium sulfate, mica powder, defoamer, sterilant, frostproofer and film coalescence aid A, agitation grinding to fineness reaches≤and 45 μm;
3) film is prepared into: get slurry, acrylic ester grafted epoxy resin latex, the agent of anti-sudden strain of a muscle rust, thickening material B, film coalescence aid B and flow agent and stir, obtained membrane-forming agent;
4) prepare anticorrosion Antistatic Paint: membrane-forming agent and solidifying agent are mixed, obtain the anticorrosion Antistatic Paint of water-and acrylate Graft Epoxy Resin; The mixing quality of described solidifying agent is 3% of acrylic ester grafted epoxy resin latex quality in membrane-forming agent;
Described purifying carbon nano-tube dispersion liquid, thickening material A, wetting agent, rust-stabilising pigment, talcum powder, barium sulfate, mica powder, defoamer, sterilant, frostproofer, film coalescence aid A, acrylic ester grafted epoxy resin latex, the agent of anti-sudden strain of a muscle rust, thickening material B, flow agent, the mass ratio that feeds intake of film coalescence aid B and solidifying agent is 355.3 ~ 410.7 ︰ 1 ~ 3 ︰ 2 ~ 5 ︰ 215 ~ 330 ︰ 45 ~ 65 ︰ 165 ~ 185 ︰ 30 ~ 45 ︰ 0.5 ~ 2 ︰ 1 ~ 3 ︰ 15 ~ 25 ︰ 20 ~ 30 ︰ 750 ~ 900 ︰ 2 ~ 5 ︰ 1 ~ 2 ︰ 2 ~ 4 ︰ 20 ~ 30 ︰ 15 ~ 54, described carbon nanotube accounts for 3 ~ 7% of coating solid quality total amount.
10. preparation method according to claim 9, it is characterized in that described dispersant with high efficiency is made up of SF-03 and water, described SF-03 accounts for 2.5% ~ 3% of dispersant with high efficiency total mass.
CN201310093936.9A 2013-03-22 2013-03-22 Anticorrosion Antistatic Paint of a kind of water-and acrylate Graft Epoxy Resin and preparation method thereof CN103173087B (en)

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