CN108165129A - A kind of anticorrosive coating and preparation method thereof, brushing method - Google Patents
A kind of anticorrosive coating and preparation method thereof, brushing method Download PDFInfo
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- CN108165129A CN108165129A CN201711262046.0A CN201711262046A CN108165129A CN 108165129 A CN108165129 A CN 108165129A CN 201711262046 A CN201711262046 A CN 201711262046A CN 108165129 A CN108165129 A CN 108165129A
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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
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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
- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
- C09D171/02—Polyalkylene oxides
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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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
- 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
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention provides a kind of anticorrosive coating and preparation method thereof, brushing method, is related to technical field of coatings.It is mainly made of following raw material that counting in parts by weight：20 50 parts of 10 50 parts of additive, the first 30 80 parts of component, the second 50 100 parts of component and ceramic fine bead.Additive includes one or both of inorganic additive, organic additive.Organic additive is selected from one or both of ethylene methacrylic acid copolymer, ethylene acrylic acid co polymer.Inorganic additive is selected from TiO2, silicon-base oxide, A12O3In it is one or more.It is 1.5 that first component, which includes weight ratio,：12 curing agent and antiager.It is 1 that second component, which includes weight ratio,：2：1.5 2.5 silane coupling agent, polyethylene glycol and epoxy resin.Epoxy resin is equably wrapped up by reticular structure, greatly prolongs the time that coating completely covers matrix, makes anticorrosion with coat ability more longlasting.
Description
Technical field
The present invention relates to technical field of coatings, in particular to a kind of anticorrosive coating and preparation method thereof, brushing side
Method.
Background technology
, because metal erosion is destroyed metal, the knot of its original performance is lost all by a large amount of metal in the annual country
Fruit.It causes a large amount of metal to scrap, economic loss is very big.People work out the corrosion that many kinds of measures prevents and inhibits metal,
Wherein anticorrosion with coat is a kind of effective method.Anticorrosion with coat still has the defects of anti-corrosion term of validity is short at present.
Invention content
The purpose of the present invention is to provide a kind of anticorrosive coating, which can carry out long-term anti-corrosion to material, reduce
Brushing workload and material loss.
Another object of the present invention is to provide a kind of preparation method of anticorrosive coating, this method is simple and practicable, prepares
It is efficient.
Another object of the present invention is to provide a kind of brushing method of anticorrosive coating, using the material after this method brushing
Material can reach better anticorrosion ability.
The present invention is solved its technical problem and is realized using following technical scheme.
The present invention proposes a kind of anticorrosive coating, is mainly made of following raw material that counting in parts by weight：Additive 10-50
20-50 parts of part, the first 30-80 parts of component, the second 50-100 parts of component and ceramic fine bead.
Additive includes one or both of inorganic additive, organic additive.Organic additive is selected from ethylene-methyl
One or both of acrylic copolymer, ethylene-acrylic acid copolymer.Inorganic additive is selected from TiO2, silicon-base oxide,
A12O3In it is one or more.
It is 1.5 that first component, which includes weight ratio,：The curing agent and antiager of 1-2.
It is 1 that second component, which includes weight ratio,：2：Silane coupling agent, polyethylene glycol and the epoxy resin of 1.5-2.5.
The present invention proposes a kind of preparation method of anticorrosive coating, including：By additive, the first component, the second component with
And ceramic fine bead is mixed in proportion.
The present invention also propose a kind of brushing method of anticorrosive coating, including by additive, the first component, the second component with
And it is brushed after ceramic fine bead mixing.
Anticorrosive coating of the embodiment of the present invention and preparation method thereof, brushing method advantageous effect be：
Ceramic fine bead is introduced in anticorrosive coating, grain size is small (average grain diameter about 18.4um), is equivalent to common coating
Fineness, thus coating system can be directly added into a manner of filler.Ceramic fine bead has function of heat reflection, is located in coating
(especially positioned at coating outermost layer) can slow down the heat ageing of coating, extend effective covering service life of coating.Additive can
Enhance adhesive force of the coating on basis material to be protected is needed, by increasing the adhesive force of coating, avoid air and moisture with
Basis material is in direct contact, and reaches the anti-corrosion purpose to basis material.Ceramic fine bead slows down aging action, and further auxiliary adds
Agent is added to keep the adhesive force of coating, the term of validity for making coating is longer.Polyethylene glycol recycles poly- after being sufficiently mixed with epoxy resin
The combination of ethylene glycol and silane coupling agent, makes epoxy resin equably be wrapped up by reticular structure, reduces coating cracking probability, makes painting
The time of the complete covering matrix of material greatly prolongs, and under conditions of the Adhesion enhancement of coating, can make the anti-corrosion ability of coating
It is more longlasting.Silane coupling agent also is able to promote the compatible of organic substance and inorganic substances in coating, reduces the layering of coating, improves
The anti-corrosion ability of coating.Polyethylene glycol can be maximally maintained the constant temperature of basis material, avoid as a kind of phase-change material
Overheat or the environment of supercooling frequently replace, and lead to the stripping of matrix and coating, are corroded matrix.
The preparation of anticorrosive coating provided in an embodiment of the present invention and brushing method are all simple and practicable, and can protect matrix
Hold long-term anti-corrosion capability.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
Anticorrosive coating of the embodiment of the present invention and preparation method thereof, brushing method are specifically described below.
The embodiment of the present invention provides a kind of anticorrosive coating, is mainly made of following raw material that counting in parts by weight：Addition
20-50 parts of 10-50 parts of agent, the first 30-80 parts of component, the second 50-100 parts of component and ceramic fine bead.
Wherein, additive includes one or both of inorganic additive, organic additive.
Organic additive is included in ethylene-methacrylic acid copolymer (EMAA), ethylene-acrylic acid copolymer (EAA)
It is one or two kinds of.The gas-premeable of EMAA or EAA, environmental stress crack resistance increase with methacrylic acid content and are improved,
Its transparency, toughness, lower temperature resistance, cementability, coloring are good, and corrosion resistance, anti-aging are excellent.But for flame spraying plastic powder technique
EAA or EMAA dusty materials depend on import, therefore it is commonly used for additive use.It is deposited on EMAA or EAA molecular backbones
In a large amount of carboxyls, molecular polarity is strong, and flame coating and matrix especially steel binding force are strong.
Inorganic additive includes TiO2, silicon-base oxide, A12O3In it is one or more.Nano silicon-based oxide (SiO2-
X it is) unformed white powder, surface is there are undersaturated residual bond and the hydroxyl of different bond styles, therefore molecular formula is SiO2- X,
Wherein X is between 0.4-0.8.Nano-meter SiO_22- X can increase substantially the intensity of plastic products, toughness, wearability and anti-aging
Performance.Nano-TiO2With high uv-shielding capacity, plastic ageing speed can be delayed significantly.Nanometer A12O3It can reinforced plastics
Abrasion resistance properties.Inorganic nano-particle exclusive use is less, and being generally used as additive improves the mechanical property of matrix.
Wherein, it is 1.5 that the first component, which includes weight ratio,：The curing agent and antiager of 1-2.Curing agent can be selected more
The aromatic diamines of environmental protection, naturally it is also possible to be other amine curing agents, such as fatty amine, aliphatic cyclic amine or polyamide.It is ageing-resistant to help
Agent can select the auxiliary agent that can be used directly sold in the market, for example, typically containing antioxidant, ultraviolet suction in antiager
Receive agent etc..
First component can also further select the common coating composition such as pigment, thixotropic agent or plasticizer.
Wherein, it is 1 that the second component, which includes weight ratio,：2：Silane coupling agent, polyethylene glycol and the asphalt mixtures modified by epoxy resin of 1.5-2.5
Fat.Silane coupling agent can select some common models, such as KH-550, KH-560, KH-570, KH-580, KH-590,
KH-902, KH-903, KH-792 etc..Epoxy resin can be selected from bisphenol A epoxide resin, bisphenol F epoxy resin, epoxy novolac tree
It is one or more in fat, o-cresol epoxy resin, tetra functional glycidyl amine epoxy resin.
Further, 20-40 parts of additive, the first 50-70 parts of component, the second 70-90 parts of component and pottery be can also be
30-40 parts of porcelain microballon.
Ceramic fine bead is introduced in anticorrosive coating, grain size is small (average grain diameter about 18.4um), is equivalent to common coating
Fineness, thus coating system can be directly added into a manner of filler.Ceramic fine bead has function of heat reflection, is located in coating
(especially positioned at coating outermost layer) can slow down the heat ageing of coating, extend effective covering service life of coating.
Additive can enhance adhesive force of the coating on basis material to be protected is needed, by the attachment for increasing coating
Power avoids air and moisture from being in direct contact with basis material, reaches the anti-corrosion purpose to basis material.Slowing down for ceramic fine bead is old
Change acts on, and further auxiliary additive keeps the adhesive force of coating, and the term of validity for making coating is longer.
Silane coupling agent is a kind of in the molecule while containing there are two types of the organo-silicon compound of different chemical property groups.
There is energy and the chemically combined reactive group of inanimate matter material and the reaction combined with organic matter materials chemistry simultaneously in its molecule
Group can be used for being surface-treated.Polyethylene glycol and epoxy resin recycled after being sufficiently mixed the alcoholic extract hydroxyl group of polyethylene glycol with
Silanol groups after being hydrolyzed in silane coupling agent are chemically combined, and silanol groups will also carry out dehydrating condensation, shape between each other
Into network structure, so as to which epoxy resin be made equably to be wrapped up by reticular structure, coating cracking probability is reduced, coating is made completely to cover
The time of matrix greatly prolongs.Under conditions of the Adhesion enhancement of coating, coating can be made by reducing the cracking probability of coating
Anti-corrosion ability is more longlasting.In order to make the network structure size to be formed more suitable, the molecular mass of polyethylene glycol can select 800-
6000.Silane coupling agent also is able to promote the compatible of organic substance and inorganic substances in coating, reduces the layering of coating, improves and apply
The anti-corrosion ability of material.
Polyethylene glycol can also be maximally maintained the constant temperature of basis material, avoid overheating as a kind of phase-change material
Or the environment of supercooling frequently replaces, and leads to the stripping of matrix and coating, is corroded matrix.Phase-change material has in a constant temperature
Change the ability of its physical state in the range of degree.By taking solid-liquid phase change as an example, when being heated to fusion temperature, just generate from solid-state
To the phase transformation of liquid, during fusing, phase-change material absorbs and stores a large amount of latent heat；When phase-change material cools down, storage
Heat to be dispersed into environment within the scope of certain temperature, carry out from liquid to solid reverse transformation.In both phases
During change, stored or release energy is known as latent heat of phase change.When physical state changes, the temperature of material itself is in phase
Become before completing and almost remain unchanged, form a wide temperature platform.
Anticorrosive coating provided in an embodiment of the present invention can also further add in the dispersant 10-25 counted in parts by weight
Part.The addition of dispersant is mainly used for improving the dispersibility of ceramic fine bead, the heat reflection uniformity of coating is improved, after making brushing
Coating can keep essentially identical heat reflection everywhere, it is serious on the weak side and then cause coating to avoid the occurrence of some position
Aging.Dispersant can generally select sodium pyrophosphate, Sodium Polyacrylate, calgon, carboxymethyl cellulose, tannic acid etc. common
Dispersant.
Anticorrosive coating provided in an embodiment of the present invention can also further add in the reaction-type flame-retarding counted in parts by weight
10-30 parts of agent.Reactive flame retardant is one or more in dibromoneopentyl glycol, 2,3- dibromo-propanols, dibromophenol.Instead
Type fire retardant is answered to participate in as a kind of monomer to react with coupling agent, coating is made to contain flame-retardant composition in itself, flame-retardant composition is distributed
Uniformly, smaller on the influence of coating performance, anti-flammability is persistently and uniform.There are many fire retardant mechanisms of fire retardant, such as：Heat absorption is made
It acted on, covering, inhibit chain reaction, non-flammable compressive gas that burning is made to suffocate etc..Most of fire retardant is total to by multiple fire retardant mechanisms
It is same to reach fire-retardant purpose.
The preparation of anticorrosive coating provided in an embodiment of the present invention mainly includes the following steps that：
After can polyethylene glycol and epoxy resin first being carried out melt blending, make polyethylene glycol fully mixed with epoxy resin
It closes, to ensure that epoxy resin uniformly mixes in subsequent network structure, is conducive to improve the crack resistence ability of coating.
Silane coupling agent can be added in after melt blending thereto again, can further add in catalyst (such as triethylamine, second
Diamines, potassium carbonate), silane coupling agent is made to react to form network structure with polyethylene glycol, by epoxy during network structure formation
Resin is wrapped up, and the second component is made.The second component is mixed with additive again.Certainly, can also first add after melt blending
Enter additive to be mixed, then add silane coupling agent and mixed, additive can more preferably, be more uniformly wrapped in
In network structure, the adhesive force of coating is uniformly improved.Silane coupling agent is with that should be in the item for having water in polyethylene glycol reaction process
It is carried out under part, the hydroxyl reaction after silane coupling agent hydrolysis with polyethylene glycol, silane coupling agent will be also condensed between each other
Reaction forms network structure.In order to improve the rate of reaction, proper catalyst (such as stannous octoate, organo-bismuth can also be added in
Catalyst).
Finally can first add in the first component add ceramic fine bead or first add in ceramic fine bead add the first component.First
After adding in the first component, coating can gradually cure within a certain period of time, the outside that most of ceramic fine bead will be fixed on coating,
Heat is avoided to enter on the inside of coating.After first adding in ceramic fine bead, the mixing in coating evenly can add first group
Divide and ceramic fine bead is protected, improve the effective time limit of ceramic fine bead heat reflection.
The embodiment of the present invention also provides a kind of brushing method of anticorrosive coating, mainly includes the following steps that：
First additive, the first component, the second component are carried out brushing after mixing and form precoated shet, then by ceramic fine bead brushing
In the surface of precoated shet.After precoated shet is formed on the basis material protected, then ceramic fine bead is painted on to the table of precoated shet
Face makes thermal energy be reflected when not reaching basis material also by ceramic fine bead.Even if there is minor heat to have passed through ceramic fine bead, this
Partial heat can also be absorbed by polyethylene glycol, and duplicate protection makes the connection of the contact surface of basis material and coating more stable, improves and applies
The anti-corrosion ability of material.
It can also further will again be brushed to precoated shet after ceramic fine bead and dispersant.On the one hand ceramics can be made micro-
Pearl disperses evenly, on the other hand to make that ceramic microspheres are smoother, and heat reflection is stronger.
It is of course also possible to it is applied after simply mixing additive, the first component, the second component and ceramic fine bead
Brush.Painting process is more succinct, and ceramic fine bead deep enough can be also mixed to each position of coating, can also make each position of dope layer
With uniform ageing resistance, also coating can be made to reach preferable anti-corrosion effect.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
The present embodiment provides a kind of anticorrosive coating, preparation method is as follows：
Dispensing：Additive 50g, the first component 80g, the second component 100g and ceramic fine bead 50g.
Wherein additive is ethylene-methacrylic acid copolymer；Aromatic diamines and antiager weight in first component
Amount is than being 1.5：2；It is 1 that second component, which includes weight ratio,：2：2.4 silane coupling agent, polyethylene glycol and epoxy resin.
The anticorrosive coating prepares in use, extemporaneous preparation and painting process step is as follows：
Additive, the first component, the second component and ceramic fine bead are mixed in proportion, are painted on immediately after mixing
On basis material to be protected, complete to brush.
Embodiment 2
The present embodiment provides a kind of anticorrosive coating, preparation method is as follows：
Dispensing：Sodium pyrophosphate 12g, additive 10g, the first component 30g, the second component 50g and ceramic fine bead 20g.
Wherein additive is silicon-base oxide；Aromatic diamines and antiager weight ratio in first component are 1.5：1；
It is 1 that second component, which includes weight ratio,：2：Silane coupling agent, polyethylene glycol and the epoxy resin of 1.5-2.3.
The anticorrosive coating prepares in use, extemporaneous preparation and painting process step is as follows：
Polyethylene glycol and epoxy resin are first subjected to melt blending, 150 DEG C of blending temperature, then added in thereto silane coupled
The second component is made in agent.Sodium pyrophosphate, additive, the first component, the second component and ceramic fine bead are mixed in proportion again
It closes, is painted on immediately on basis material to be protected after mixing, complete to brush.
Embodiment 3
The present embodiment provides a kind of anticorrosive coating, preparation method is as follows：
Dispensing：Sodium Polyacrylate 23g, reactive flame retardant 13g, additive 15g, the first component 40g, the second component 60g
And ceramic fine bead 25g.
Wherein reactive flame retardant is dibromoneopentyl glycol；Additive includes ethylene-methacrylic acid copolymer 10g, second
Alkene-acrylic copolymer 5g；Aromatic diamines and antiager weight ratio in first component are 1：1；Second component includes weight
Amount is than being 1：2：2.1 silane coupling agent, polyethylene glycol and epoxy resin.
The anticorrosive coating prepares in use, extemporaneous preparation and painting process step is as follows：
Polyethylene glycol and epoxy resin are first subjected to melt blending, 130 DEG C of blending temperature, then added in thereto silane coupled
The second component is made in agent.The second component is mixed with reactive flame retardant, additive again.First group is added in after the completion of mixing
Divide and mixed again, then add in ceramic fine bead and Sodium Polyacrylate is stirred.Base to be protected is painted on after mixing immediately
On body material, complete to brush.
Embodiment 4
The present embodiment provides a kind of anticorrosive coating, preparation method is as follows：
Dispensing：Calgon 15g, reactive flame retardant 25g, additive 20g, the first component 50g, the second component 70g
And ceramic fine bead 30g.
Wherein reactive flame retardant is 2,3- dibromo-propanols；Additive includes TiO210g, silicon-base oxide 10g；First group
Aromatic diamines and antiager weight ratio in point are 1.5：1.2；It is 1 that second component, which includes weight ratio,：2：1.9 silane is even
Join agent, polyethylene glycol and epoxy resin.
The anticorrosive coating prepares in use, extemporaneous preparation and painting process step is as follows：
Polyethylene glycol and epoxy resin are first subjected to melt blending, 140 DEG C of blending temperature, then add in response type resistance thereto
Combustion agent, additive are mixed, and are then added in silane coupling agent and are mixed.Next ceramic fine bead and calgon are added in
It is stirred, is eventually adding the mixing of the first component.It is painted on immediately on basis material to be protected after mixing, completes to brush.
Embodiment 5
The present embodiment provides a kind of anticorrosive coating, preparation method is as follows：
Dispensing：Carboxymethyl cellulose 20g, reactive flame retardant 20g, additive 40g, the first component 70g, the second component
90g and ceramic fine bead 40g.
Wherein reactive flame retardant is dibromophenol；Additive includes ethylene-acrylic acid copolymer 20g, TiO210g、
A12O310g；Pigment, aromatic diamines and antiager weight ratio in first component are 1.1：1.5：1.4；Second component includes
Weight ratio is 1：2：1.7 silane coupling agent, polyethylene glycol and epoxy resin.
The anticorrosive coating prepares in use, extemporaneous preparation and painting process step is as follows：
Polyethylene glycol and epoxy resin are first subjected to melt blending, 135 DEG C of blending temperature, then added in thereto silane coupled
The second component is made in agent.The second component is mixed with reactive flame retardant, additive again.First group is added in after the completion of mixing
Divide and mixed again.After the completion of mixing precoated shet is formed by mixture brushing to basis material to be protected immediately.
After precoated shet brushing, precoated shet table is painted on after being immediately stirred ceramic fine bead and carboxymethyl cellulose
Face.Completion also completes the preparation of coating during brushing.
Embodiment 6
The present embodiment provides a kind of anticorrosive coating, preparation method is as follows：
Dispensing：Tannic acid 10g, reactive flame retardant 30g, additive 30g, the first component 60g, the second component 80g and pottery
Porcelain microballon 35g.
Wherein reactive flame retardant includes dibromoneopentyl glycol 15g, 2,3- dibromo-propanol 15g；Additive includes
TiO210g, silicon-base oxide 10g, A12O310g；Thixotropic agent, aromatic diamines and antiager weight ratio in first component are
1.2：1.5：1.6；It is 1 that second component, which includes weight ratio,：2：2 silane coupling agent, polyethylene glycol and epoxy resin.
The anticorrosive coating prepares in use, extemporaneous preparation and painting process step is as follows：
Polyethylene glycol and epoxy resin are first subjected to melt blending, 135 DEG C of blending temperature, then added in thereto silane coupled
The second component is made in agent.The second component is mixed with reactive flame retardant, additive again.First group is added in after the completion of mixing
Divide and mixed again.After the completion of mixing precoated shet is formed by mixture brushing to basis material to be protected immediately.
When precoated shet is in semi-cured state, precoated shet table is painted on after ceramic fine bead and tannic acid are stirred immediately
Face.Completion also completes the preparation of coating during brushing.
Embodiment 7
The present embodiment provides a kind of anticorrosive coating, preparation method is as follows：
Dispensing：Carboxymethyl cellulose 25g, reactive flame retardant 10g, additive 45g, the first component 75g, the second component
95g and ceramic fine bead 45g.
Wherein reactive flame retardant includes 2,3- dibromo-propanols 5g, dibromophenol 5g；Additive includes ethylene-metering system
Acid copolymer 35g, silicon-base oxide 10g；Plasticizer, aromatic diamines and antiager weight ratio are 1 in first component：1.5：
1.8；It is 1 that second component, which includes weight ratio,：2：2.5 silane coupling agent, polyethylene glycol and epoxy resin.
The anticorrosive coating prepares in use, extemporaneous preparation and painting process step is as follows：
Polyethylene glycol and epoxy resin are first subjected to melt blending, 145 DEG C of blending temperature, then added in thereto silane coupled
The second component is made in agent.The second component is mixed with reactive flame retardant, additive again.First group is added in after the completion of mixing
Divide and mixed again.After the completion of mixing precoated shet is formed by mixture brushing to basis material to be protected immediately.
When precoated shet is in solid state, it is painted on immediately after ceramic fine bead and carboxymethyl cellulose are stirred pre-
Coating surface.Completion also completes the preparation of coating during brushing.
Embodiment 8
The present embodiment provides a kind of anticorrosive coating, preparation method is as follows：
Dispensing：Sodium Polyacrylate 15g, reactive flame retardant 15g, additive 35g, the first component 65g, the second component 85g
And ceramic fine bead 38g.
Wherein reactive flame retardant includes dibromoneopentyl glycol 5g, 2,3- dibromo-propanol 5g, dibromophenol 5g；Additive packet
Include ethylene-methacrylic acid copolymer 10g, ethylene-acrylic acid copolymer 10g, TiO25g, silicon-base oxide 5g, A12O3In 5g；
Aromatic diamines and antiager weight ratio in first component are 1.5：1.7；It is 1 that second component, which includes weight ratio,：2：1.5
Silane coupling agent, polyethylene glycol and epoxy resin.
The anticorrosive coating prepares in use, extemporaneous preparation and painting process step is as follows：
Polyethylene glycol and epoxy resin are first subjected to melt blending, 145 DEG C of blending temperature, then added in thereto silane coupled
The second component is made in agent.The second component is mixed with reactive flame retardant, additive again.First group is added in after the completion of mixing
Divide and mixed again.After the completion of mixing precoated shet is formed by mixture brushing to basis material to be protected immediately.
When precoated shet is in semi-cured state, it is painted on immediately after ceramic fine bead and Sodium Polyacrylate are stirred pre-
Coating surface.Completion also completes the preparation of coating during brushing.
Comparative example
This comparative example provides a kind of commercially available anticorrosive coating-FVC anticorrosive paints.
Test example
Prepare the identical general steel plate of 9 stock materials, steel plate first passes through identical blasting treatment in advance, and it is steel plate 1-9 to number.1-
The anticorrosive coating and brushing method of 1-8 of embodiment of the present invention offers, No. 9 steel plate brushing comparative examples are respectively adopted in No. 8 steel plates
The FVC anticorrosive paints of offer.
Using salt-mist corrosion tester to No. 1-9 neutral salt spray test for carrying out 4000 hours of steel plate, coastal air is simulated
Environment carries out accelerated corrosion to coating, is carried out at the same time ultraviolet irradiation and accelerates coating aging.Under elevated pressure, steel plate 1-9 is connected
Continuous spraying, ingredient of spraying：NaCl solution, concentration 5%, Ph6.5-7.2.After the completion of neutral salt spray test, steel plate 1-9 is carried out attached
The measure puted forth effort.The adhesive force that each steel plate measures before and after neutral salt spray test is compared.It is calculated according to the following formula
Show that adhesive force declines percentage, result of calculation is as shown in table 1.
Paint adhesion declines situation statistics after table 1 is tested
By the test result of table 1 it is found that anticorrosive coating provided in an embodiment of the present invention has by keeping adhesive force for a long time
There is significant long-term anti-corrosion effect.The anticorrosive coating and brushing method that embodiment 5-8 is provided are excellent with obvious anticorrosion
Gesture, the reflecting effect that showing ceramic fine bead has can not only reflect heat, additionally it is possible to reflect ultraviolet lighting, and on coating surface layer
Protective layer is formed, strengthens the compactness of coating, improves the long-term adhesive ability of coating.
Embodiments described above is part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of anticorrosive coating, which is characterized in that be mainly made of following raw material that counting in parts by weight：Additive 10-50
20-50 parts of part, the first 30-80 parts of component, the second 50-100 parts of component and ceramic fine bead,
The additive includes inorganic additive, one or both of organic additive, the organic additive be selected from ethylene-
One or both of methacrylic acid copolymer, ethylene-acrylic acid copolymer；The inorganic additive is selected from TiO2, silicon substrate
Oxide, A12O3In it is one or more；
It is 1.5 that first component, which includes weight ratio,：The curing agent and antiager of 1-2；
It is 1 that second component, which includes weight ratio,：2：Silane coupling agent, polyethylene glycol and the epoxy resin of 1.5-2.5.
2. anticorrosive coating according to claim 1, which is characterized in that the mainly following raw material system by counting in parts by weight
Into：Described additive 20-40 parts, 50-70 parts of first component, 70-90 parts of second component and the ceramic fine bead
30-40 parts.
3. anticorrosive coating according to claim 1, which is characterized in that the raw material further includes point counted in parts by weight
10-25 parts of powder.
4. according to claim 1-3 any one of them anticorrosive coatings, which is characterized in that the anticorrosive coating further include by
10-30 parts of the reactive flame retardant of parts by weight meter, the reactive flame retardant are selected from dibromoneopentyl glycol, 2,3- dibromos third
It is one or more in alcohol, dibromophenol.
It is 5. a kind of such as the preparation method of claim 1-4 any one of them anticorrosive coatings, which is characterized in that including：By institute
Additive, first component, second component and the ceramic fine bead is stated to be mixed in proportion.
6. the preparation method of anticorrosive coating according to claim 5, which is characterized in that including：Before mixing, first by institute
It states polyethylene glycol and carries out melt blending, then add in the silane coupling agent thereto and the second component is made with the epoxy resin.
7. the preparation method of anticorrosive coating according to claim 6, which is characterized in that including：First by described second group
Divide and mixed with the additive, then add in first component thereto, be eventually adding the ceramic fine bead.
8. the preparation method of anticorrosive coating according to claim 6, which is characterized in that including：By the polyethylene glycol
After carrying out melt blending with the epoxy resin, then the additive is added in thereto and is mixed, then add in the silane
Coupling agent is mixed, and is eventually adding the ceramic fine bead.
It is 9. a kind of such as the brushing method of claim 1-4 any one of them anticorrosive coatings, which is characterized in that including by described in
It is brushed after additive, first component, second component and ceramic fine bead mixing.
10. the brushing method of anticorrosive coating according to claim 9, which is characterized in that including：First by the addition
After agent, first component, second component mixing brush and form precoated shet, then the ceramic fine bead is painted on institute
State the surface of precoated shet.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112812658A (en) * | 2021-02-05 | 2021-05-18 | 浙江乐狗网科技有限公司 | Preparation method of marine anticorrosive coating |
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