CN108129945A - A kind of heavy-duty anticorrosive coating and preparation method thereof, brushing method - Google Patents
A kind of heavy-duty anticorrosive coating and preparation method thereof, brushing method Download PDFInfo
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- CN108129945A CN108129945A CN201711261158.4A CN201711261158A CN108129945A CN 108129945 A CN108129945 A CN 108129945A CN 201711261158 A CN201711261158 A CN 201711261158A CN 108129945 A CN108129945 A CN 108129945A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
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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
- C09D5/08—Anti-corrosive paints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2301/00—Inorganic additives or organic salts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2320/00—Organic additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2504/00—Epoxy polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2518/00—Other type of polymers
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention provides a kind of heavy-duty 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 25 parts of montmorillonite, 5 15 parts of graphite, 5 15 parts of cobalt acid lithium, 10 50 parts of additive, the first 30 80 parts of component, the second 50 100 parts of component and ceramic fine bead.Graphite is inserted into the interlayer of montmorillonite with cobalt acid lithium.Additive includes inorganic additive and/or organic additive.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.Montmorillonite after intercalation can form the protective layer of multiple layer interleaving in coating, avoid various corrosive fluid intrusion coating internal layers under adverse circumstances and reach substrate material surface, cause to corrode, improve anticorrosion with coat ability.
Description
Technical field
The present invention relates to technical field of coatings, in particular to a kind of heavy-duty anticorrosive coating and preparation method thereof, brush
Method.
Background technology
For heavy-duty anticorrosive coating refers to relatively conventional anticorrosive paint, it can be applied in relatively harsh corrosive environment, and have
A kind of anticorrosive paint of protection period longer than conventional anticorrosive paint can be reached.But used heavy antisepsis in current heavy antisepsis brushing
The antiseptic property of coating is still not fully up to expectations, and the protection period is shorter.
Invention content
The purpose of the present invention is to provide a kind of heavy-duty anticorrosive coating, which can be in harsh natural environment to material
Material carries out long-term anti-corrosion, reduces brushing workload and material loss.
Another object of the present invention is to provide a kind of preparation method of heavy-duty anticorrosive coating, this method is simple and practicable, system
It is standby efficient.
Another object of the present invention is to provide a kind of brushing method of heavy-duty anticorrosive coating, 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 heavy-duty anticorrosive coating, is mainly made of following raw material that counting in parts by weight：Montmorillonite 10-
25 parts, 5-15 parts of graphite, 5-15 parts of cobalt acid lithium, 10-50 parts of additive, the first 30-80 parts of component, the second 50-100 parts of component with
And 20-50 parts of ceramic fine bead.Graphite is inserted into the interlayer of montmorillonite with cobalt acid lithium
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 heavy-duty anticorrosive coating, including：Montmorillonite is ultrasonically treated, ultrasound
Graphite and cobalt acid lithium are added in after 40-80 minutes, continues ultrasound 50-90 minutes, obtains the composite material after intercalation.Again by composite wood
Material, additive, the first component, the second component and ceramic fine bead are mixed in proportion.
The present invention also proposes a kind of brushing method of heavy-duty anticorrosive coating, including by montmorillonite, graphite, cobalt acid lithium, addition
It is brushed after agent, the first component, the second component and ceramic fine bead mixing.
Heavy-duty anticorrosive coating of the embodiment of the present invention and preparation method thereof, brushing method advantageous effect be：
Ceramic fine bead is introduced in heavy-duty 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 at coating
The interior heat ageing that can slow down coating (especially positioned at coating outermost layer) extends effective covering service life of coating.Additive energy
Enough adhesive force of the enhancing coating on basis material to be protected is needed, by increasing the adhesive force of coating, avoids air and moisture
It is in direct contact with basis material, reaches the anti-corrosion purpose to basis material.Ceramic fine bead slows down aging action, further assists
Additive keeps the adhesive force of coating, and the term of validity for making coating is longer.Polyethylene glycol recycles after being sufficiently mixed with epoxy resin
The combination of polyethylene glycol and silane coupling agent, makes epoxy resin equably be wrapped up by reticular structure, reduces coating cracking probability, makes
The time that coating completely covers matrix greatly prolongs, and under conditions of the Adhesion enhancement of coating, can enable the anti-corrosion of coating
Power 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, carries
The anti-corrosion ability of high coating.Polyethylene glycol can be maximally maintained the constant temperature of basis material, keep away as a kind of phase-change material
The environment exempted to overheat or be subcooled frequently replaces, and leads to the stripping of matrix and coating, is corroded matrix.
Using the montmorillonite after graphite and cobalt acid lithium intercalation, the protective layer of multiple layer interleaving can be formed in coating, is kept away
Various corrosive fluid intrusion coating internal layers under adverse circumstances are exempted from and have reached substrate material surface, caused to corrode, improve coating and prevent
Rotten ability.Under conditions of paint adhesion is improved, the anti-corrosion term of validity of coating can be greatly promoted.
The preparation of heavy-duty anticorrosive coating provided in an embodiment of the present invention and brushing method are all simple and practicable, and can make matrix
Keep 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.
Heavy-duty 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 heavy-duty anticorrosive coating, is mainly made of following raw material that counting in parts by weight：It covers
De- 10-25 parts of soil, 5-15 parts of graphite, 5-15 parts of cobalt acid lithium, 10-50 parts of additive, the first 30-80 parts of component, the second component 50-
100 parts and 20-50 parts of ceramic fine bead.Graphite is inserted into the interlayer of montmorillonite with cobalt acid lithium.
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, it can also be 15-20 parts of montmorillonite, 8-12 parts of graphite, 8-12 parts of cobalt acid lithium, 20-40 parts of additive,
30-40 parts of first 50-70 parts of component, the second 70-90 parts of component and ceramic fine bead.
Ceramic fine bead is introduced in heavy-duty 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 at coating
The interior heat ageing that can slow down coating (especially positioned at coating outermost layer) extends 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.
Using the montmorillonite after graphite and cobalt acid lithium intercalation, the protective layer of multiple layer interleaving can be formed in coating, is kept away
Various corrosive fluid intrusion coating internal layers under adverse circumstances are exempted from and have reached substrate material surface, caused to corrode, improve coating and prevent
Rotten ability.Under conditions of paint adhesion is improved, the anti-corrosion term of validity of coating can be greatly promoted.
Heavy-duty anticorrosive coating provided in an embodiment of the present invention can also further add in the dispersant 10- counted in parts by weight
25 parts.The addition of dispersant is mainly used for improving the dispersibility of ceramic fine bead, improves the heat reflection uniformity of coating, makes brushing
Coating afterwards can keep essentially identical heat reflection everywhere, and 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. normal
Use dispersant.
Heavy-duty anticorrosive coating provided in an embodiment of the present invention can also further add in the response type resistance counted in parts by weight
Fire 10-30 parts of agent.Reactive flame retardant is one or more in dibromoneopentyl glycol, 2,3- dibromo-propanols, dibromophenol.
Reactive flame retardant is participated in as a kind of monomer to react with coupling agent, and coating is made to contain flame-retardant composition in itself, and flame-retardant composition divides
Cloth is uniform, smaller on the influence of coating performance, and anti-flammability is persistently and uniform.There are many fire retardant mechanisms of fire retardant, such as：Heat absorption
Effect, inhibits chain reaction, non-flammable compressive gas to make burning asphyxia etc. at covering effect.Most of fire retardant is by multiple fire retardant mechanisms
Reach fire-retardant purpose jointly.
The preparation of heavy-duty anticorrosive coating provided in an embodiment of the present invention mainly includes the following steps that：
Montmorillonite is ultrasonically treated, graphite and cobalt acid lithium are added in after 40-80 minutes ultrasonic, continues 50-90 points of ultrasound
Clock obtains the composite material after intercalation.Graphite and cobalt acid lithium can not also be put into, such as graphite first puts into and surpasses afterwards in the same time
Sound 20-40 minutes, then put into cobalt acid lithium ultrasound 30-50 minutes, graphite linings and cobalt acid lithium layer is enable to be handed in the interlayer of montmorillonite
For formation, make coating that there is better protective capacities.
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).
Then 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.
Finally by the composite material after the mixture and intercalation of additive, the first component, the second component and ceramic fine bead
Mixing.
The embodiment of the present invention also provides a kind of brushing method of heavy-duty 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.
The finally brushing composite material on ceramic microspheres.Composite layer can improve coating in the outermost of coating
Anti-corrosion ability avoids corrosive fluids from readily passing through composite layer, so as to improve the anti-corrosion term of validity of coating.
It is of course also possible to simply composite material, additive, the first component, the second component and ceramic fine bead are mixed
After brushed.Painting process is more succinct, and ceramic fine bead deep enough can be also mixed to each position of coating, can also make dope layer
Each position has 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 heavy-duty anticorrosive coating, preparation method is as follows：
Dispensing：Montmorillonite 10g, graphite 5g, cobalt acid lithium 5g, 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：
Montmorillonite is ultrasonically treated, ultrasound adds in graphite and cobalt acid lithium after forty minutes, continues ultrasound 50 minutes, obtains
Composite material after intercalation.Composite material, additive, the first component, the second component and ceramic fine bead are mixed in proportion
It closes, is painted on immediately on basis material to be protected after mixing, complete to brush.
Embodiment 2
The present embodiment provides a kind of heavy-duty anticorrosive coating, preparation method is as follows：
Dispensing：Montmorillonite 25g, graphite 15g, cobalt acid lithium 15g, sodium pyrophosphate 12g, additive 10g, the first component 30g, the
Two 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：
Montmorillonite is ultrasonically treated, ultrasound adds in graphite and cobalt acid lithium after 80 minutes, continue ultrasound 90 minutes, obtains
Composite material after intercalation.Polyethylene glycol and epoxy resin are first subjected to melt blending, 150 DEG C of blending temperature, then added thereto
Enter silane coupling agent and the second component is made.Again by composite material, sodium pyrophosphate, additive, the first component, the second component and pottery
Porcelain microballon is mixed in proportion, is painted on immediately on basis material to be protected after mixing, completes to brush.
Embodiment 3
The present embodiment provides a kind of heavy-duty anticorrosive coating, preparation method is as follows：
Dispensing：Montmorillonite 13g, graphite 7g, cobalt acid lithium 6g, 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：
Montmorillonite is ultrasonically treated, ultrasound adds in graphite and cobalt acid lithium after 50 minutes, continue ultrasound 60 minutes, obtains
Composite material after intercalation.Polyethylene glycol and epoxy resin are first subjected to melt blending, 130 DEG C of blending temperature, then added thereto
Enter silane coupling agent and the second component is made.The second component is mixed with reactive flame retardant, additive again.After the completion of mixing
It adds in the first component to be mixed again, then adds in composite material, ceramic fine bead and Sodium Polyacrylate and be stirred.It is stood after mixing
It is painted on basis material to be protected, completes to brush.
Embodiment 4
The present embodiment provides a kind of heavy-duty anticorrosive coating, preparation method is as follows：
Dispensing：Montmorillonite 15g, graphite 8g, cobalt acid lithium 8g, 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：
Montmorillonite is ultrasonically treated, ultrasound adds in graphite and cobalt acid lithium after sixty minutes, continues ultrasound 70 minutes, obtains
Composite material after intercalation.Polyethylene glycol and epoxy resin are first subjected to melt blending, 140 DEG C of blending temperature, then added thereto
Enter reactive flame retardant, additive is mixed, then add in silane coupling agent mixed.Following addition composite material,
Ceramic fine bead and calgon are stirred, and are eventually adding the mixing of the first component.Base to be protected is painted on after mixing immediately
On body material, complete to brush.
Embodiment 5
The present embodiment provides a kind of heavy-duty anticorrosive coating, preparation method is as follows：
Dispensing：Montmorillonite 20g, graphite 12g, cobalt acid lithium 12g, carboxymethyl cellulose 20g, reactive flame retardant 20g, addition
Agent 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：
Montmorillonite is ultrasonically treated, ultrasound adds in graphite and cobalt acid lithium after 70 minutes, continue ultrasound 80 minutes, obtains
Composite material after intercalation.Polyethylene glycol and epoxy resin are first subjected to melt blending, 135 DEG C of blending temperature, then added thereto
Enter silane coupling agent and the second component is made.The second component is mixed with reactive flame retardant, additive again.After the completion of mixing
The first component is added in be mixed again.It in mixture brushing to basis material to be protected, will be formed immediately after the completion of mixing pre-
Coating.
After precoated shet brushing, precoated shet table is painted on after being immediately stirred ceramic fine bead and carboxymethyl cellulose
Face.
Then it in precoated shet external coating composite material, completes also to complete the preparation of coating during brushing.
Embodiment 6
The present embodiment provides a kind of heavy-duty anticorrosive coating, preparation method is as follows：
Dispensing：Montmorillonite 18g, graphite 10g, cobalt acid lithium 10g, tannic acid 10g, reactive flame retardant 30g, additive 30g, the
One component 60g, the second component 80g and ceramic fine bead 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：
Montmorillonite is ultrasonically treated, ultrasound after forty minutes, first adds in graphite ultrasound 20 minutes, adds cobalt acid lithium and surpasses
Sound 30 minutes, obtains the composite material after intercalation.Polyethylene glycol and epoxy resin are first subjected to melt blending, blending temperature 135
DEG C, then add in silane coupling agent thereto and the second component is made.The second component and reactive flame retardant, additive are mixed again
It closes.The first component is added in after the completion of mixing to be mixed again.Immediately by mixture brushing to matrix to be protected after the completion of mixing
On material, precoated shet is formed.
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.
Then it in precoated shet external coating composite material, completes also to complete the preparation of coating during brushing.
Embodiment 7
The present embodiment provides a kind of heavy-duty anticorrosive coating, preparation method is as follows：
Dispensing：Montmorillonite 24g, graphite 13g, cobalt acid lithium 14g, carboxymethyl cellulose 25g, reactive flame retardant 10g, addition
Agent 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：
Montmorillonite is ultrasonically treated, ultrasound first adds in graphite ultrasound 40 minutes after 80 minutes, adds cobalt acid lithium and surpasses
Sound 50 minutes, obtains the composite material after intercalation.Polyethylene glycol and epoxy resin are first subjected to melt blending, blending temperature 145
DEG C, then add in silane coupling agent thereto and the second component is made.The second component and reactive flame retardant, additive are mixed again
It closes.The first component is added in after the completion of mixing to be mixed again.Immediately by mixture brushing to matrix to be protected after the completion of mixing
On material, precoated shet is formed.
When precoated shet is in solid state, it is painted on immediately after ceramic fine bead and carboxymethyl cellulose are stirred pre-
Coating surface.
Then it in precoated shet external coating composite material, completes also to complete the preparation of coating during brushing.
Embodiment 8
The present embodiment provides a kind of heavy-duty anticorrosive coating, preparation method is as follows：
Dispensing：Montmorillonite 19g, graphite 13g, cobalt acid lithium 7g, 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：
Montmorillonite is ultrasonically treated, ultrasound after sixty minutes, first adds in graphite ultrasound 30 minutes, adds cobalt acid lithium and surpasses
Sound 40 minutes, obtains the composite material after intercalation.Polyethylene glycol and epoxy resin are first subjected to melt blending, blending temperature 145
DEG C, then add in silane coupling agent thereto and the second component is made.The second component and reactive flame retardant, additive are mixed again
It closes.The first component is added in after the completion of mixing to be mixed again.Immediately by mixture brushing to matrix to be protected after the completion of mixing
On material, precoated shet is formed.
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.
Then it in precoated shet external coating composite material, completes also to complete the preparation of coating during brushing.
Comparative example
This comparative example provides a kind of commercially available heavy-duty anticorrosive coating, model：IPN8710.
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 heavy-duty anticorrosive coating and brushing method of 1-8 of embodiment of the present invention offers, No. 9 steel plate brushing comparisons are respectively adopted in No. 8 steel plates
The heavy-duty anticorrosive coating that example provides.
Using salt-mist corrosion tester to No. 1-9 acid salt spray test for carrying out 5000 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：HCl solution, concentration 5%, Ph6.5-7.2.After the completion of acid 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 acid 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 heavy-duty anticorrosive coating and brushing method that embodiment 5-8 is provided have obvious anticorrosion
Advantage, the reflecting effect that showing ceramic fine bead has can not only reflect heat, additionally it is possible to reflect ultraviolet lighting, and in coating table
Layer forms protective layer, strengthens the compactness of coating, improves the long-term adhesive ability of coating.The intersection intercalation of graphite and cobalt acid lithium,
Be conducive to prevent corrosion air-flow from contacting with basis material (i.e. steel plate), improve the resistance to corrosion of basis material.
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 heavy-duty anticorrosive coating, which is characterized in that be mainly made of following raw material that counting in parts by weight：Montmorillonite 10-
25 parts, 5-15 parts of graphite, 5-15 parts of cobalt acid lithium, 10-50 parts of additive, the first 30-80 parts of component, the second 50-100 parts of component with
And 20-50 parts of ceramic fine bead,
The graphite is inserted into the interlayer of the montmorillonite with the cobalt acid lithium；
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. heavy-duty anticorrosive coating according to claim 1, which is characterized in that the mainly following raw material by counting in parts by weight
It is made：It is described montmorillonite 15-20 parts, described graphite 8-12 parts, described cobalt acid lithium 8-12 parts, described additive 20-40 parts, described
First 50-70 parts of component, 70-90 parts of second component and ceramic fine bead 30-40 parts described.
3. heavy-duty anticorrosive coating according to claim 1, which is characterized in that the raw material further includes what is counted in parts by weight
10-25 parts of dispersant.
4. according to claim 1-3 any one of them heavy-duty anticorrosive coatings, which is characterized in that the raw material further includes by weight
10-30 parts of the reactive flame retardant of number meter, the reactive flame retardant are selected from dibromoneopentyl glycol, 2,3- dibromo-propanols, two
It is one or more in bromophenol.
It is 5. a kind of such as the preparation method of claim 1-4 any one of them heavy-duty anticorrosive coatings, which is characterized in that including：It will
The montmorillonite is ultrasonically treated, and the graphite and the cobalt acid lithium are added in after 40-80 minutes ultrasonic, continues ultrasound 50-90
Minute, obtain the composite material after intercalation；
By the composite material, the additive, first component, second component and the ceramic fine bead in proportion
It is mixed.
6. the preparation method of heavy-duty anticorrosive coating according to claim 5, which is characterized in that including：Before mixing, first will
The polyethylene glycol carries out melt blending with the epoxy resin, then adds in the silane coupling agent thereto and be made second group
Point.
7. the preparation method of heavy-duty anticorrosive coating according to claim 6, which is characterized in that including：First by described second
Component is mixed with the additive, then adds in first component thereto, is eventually adding the ceramic fine bead.
8. the preparation method of heavy-duty anticorrosive coating according to claim 6, which is characterized in that including：By the poly- second two
After alcohol carries out melt blending with the epoxy resin, then the additive is added in thereto and is mixed, then add in the silicon
Alkane coupling agent is mixed, and is eventually adding the ceramic fine bead.
9. a kind of brushing method such as claim 1-4 any one of them heavy-duty anticorrosive coatings, which is characterized in that including by institute
State montmorillonite, the graphite, the cobalt acid lithium, the additive, first component, second component and the ceramics
It is brushed after microballon mixing.
10. the brushing method of heavy-duty 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
The surface of precoated shet is stated, the montmorillonite, the graphite, the cobalt acid lithium are finally painted on the ceramic fine bead surface.
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| CN201711261158.4A CN108129945A (en) | 2017-12-04 | 2017-12-04 | A kind of heavy-duty anticorrosive coating and preparation method thereof, brushing method |
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Cited By (1)
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| WO2022028411A1 (en) * | 2020-08-03 | 2022-02-10 | Guangdong Huarun Paints Co., Ltd. | Chromium-free anticorrosive coating composition and article made therefrom |
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