CN106118334B - Aqueous hybrid inorganic-organic anticorrosive paint and its application method - Google Patents
Aqueous hybrid inorganic-organic anticorrosive paint and its application method Download PDFInfo
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- CN106118334B CN106118334B CN201610482900.3A CN201610482900A CN106118334B CN 106118334 B CN106118334 B CN 106118334B CN 201610482900 A CN201610482900 A CN 201610482900A CN 106118334 B CN106118334 B CN 106118334B
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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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/10—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to inorganic 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
- B05D7/14—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 to metal, e.g. car bodies
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- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F292/00—Macromolecular compounds obtained by polymerising monomers on to inorganic materials
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/02—Elements
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- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K2003/0812—Aluminium
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K2201/011—Nanostructured additives
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Abstract
The present invention provides a kind of aqueous hybrid inorganic-organic anticorrosive paint and its application method, the aqueous hybrid inorganic-organic anticorrosive paint is made of the component of following parts by weight: nano-material modified acrylate composite emulsion, and 1~50；Curing agent, 1~20；Inorganic salts, 0~30；Auxiliary agent, 0.01~1.00；Solvent, 1~20；Deionized water, surplus.Compared with the relevant technologies, the beneficial effects of the invention are that, 1, the functional organic resin of design synthesis match well with inorganic anti-corrosion salt, assign the good self-repair function of coating.2, excellent cohesive force is provided, there is good recoatability；Organic inorganic hybridization coating has good substrate adhesive force, meets coating long-term effect demand.3, it in the case that deformation, damage and heated baking occurs in surface after substrate carries out post-production, remains to provide good Corrosion Protection.
Description
[technical field]
The present invention relates to anticorrosive paint technology field more particularly to a kind of aqueous hybrid inorganic-organic anticorrosive paint and its
Application method.
[background technique]
Metallic surface by corrosion largely effects on its use value, and preservative treatment is extremely important, and wherein anti-decaying paint coating is one
The measure kind being widely used, there are two types of anti-decaying paint is usual: one is inorganic agents, i.e. chemical conversion treatment fluid；Another kind is
Organic coating, i.e., the bottom-coating of pure organic resin composition.The problems such as Cr VI Passivation Treatment is due to environmental pollution, by more next
More restrictions.It is very urgent that conversion film offer antiseptic property is formed using the inorganic agent of no pollution to the environment.Related skill
In art, patent publication No. " CN104356794A " uses water-based acrylic resin and polyurethane finishing agent is that film forming matter is assisted to change
Property nano dye provide outdoor metal anti-corrosion.Patent publication No. " CN102167947A " uses acrylic emulsion, water-base epoxy tree
Rouge, waterborne polyurethane resin are that film forming matter is used for aluminium foil anti-corrosion.
In the related technology due to the fact, that 1) in such a way that chromate carries out processing surface.2) pure organic painting is used
Film is without adding antirust agent, corrosion resistance after the insufficient especially processing of corrosion resistance.3) using chemical conversion treatment solution
Mode carries out anti-corrosion, and coating strength is insufficient, adhesive force is weak.Therefore, the relevant technologies have the following deficiencies: due to paint film intensity not
Enough, the factors such as adhesive force is weak, corrosion resistance is insufficient.Coating is caused to damage, fall off etc. after processing antiseptic property is caused to decline
Or lose corrosion inhibiting ability.
Therefore, it is really necessary to provide the new aqueous hybrid inorganic-organic anticorrosive paint of one kind to overcome above-mentioned technical problem.
[summary of the invention]
The technical problem to be solved by the invention is to provide a kind of aqueous hybrid inorganic-organic anticorrosive paints.It is described aqueous
Hybrid inorganic-organic anticorrosive paint is made of the component of following parts by weight:
Nano-material modified acrylate composite emulsion, 1~50 parts by weight；
Curing agent, 1~20 parts by weight；
Inorganic salts, 0~30 parts by weight；
Auxiliary agent, 0.01~1.00 parts by weight；
Solvent, 1~20 parts by weight；
Deionized water, surplus.
Preferably, the nano-material modified acrylate composite emulsion is copolymerized by following components in parts by weight:
(1) at least one esters monomer containing a double bond, 25~100 parts by weight；
(2) at least one acid (salt) monomer containing a double bond, 5~20 parts by weight；
(3) at least one monomer containing a double bond, 10~50 parts by weight；
(4) nitrogen containing monomer containing a double bond, 1~10 parts by weight；
(5) fluorochemical monomer containing a double bond, 5~25 parts by weight；
(6) at least one containing there are two the cross-linking monomer of double bond, 1~10 parts by weight；
(7) contain a kind of olefinic one type of silane coupling agent, 0.5~2.5 parts by weight；
(8) water, 180~320 parts by weight；
(9) at least one (non-) reactive filler；10~30
(10) at least one water-soluble thermal initiator, 5~10 parts by weight.
Preferably, the inorganic salts are one of molybdate, titanate, zirconates or several.
Preferably, the auxiliary agent be antibacterial agent, levelling agent, wetting agent, dispersing agent, rheological agent, defoaming agent, coupling agent or
Mixture more than both persons and the two.
Preferably, the solvent is alcohol ether solvents.
Preferably, the levelling agent is nonionic, anion, anionic and nonionic surfactant.
Preferably, the levelling agent is alkyl phenol polyoxyethylene ether, alkyl phenyl polyoxyethylene ether sulfonates or sulfate, alkyl
Diphenyl ether sulfonate or sulfate, alkylbenzene sulfonate or sulfate, alkylsulfonate or sulfate, fatty alcohol polyoxyethylene ether
One of or it is a variety of.
Preferably, the solvent is methanol, ethyl alcohol, isopropanol, ethylene glycol monomethyl ether, ethylene glycol ethyl ether, butyl glycol ether, third
One or more of glycol methyl ether, propylene-glycol ethyl ether, diethylene glycol ether or butyl.
The present invention need to additionally provide the application method of above-mentioned aqueous hybrid inorganic-organic anticorrosive paint, include the following steps:
S1Aluminium base alkaline defatting agent is handled and passes through deionization washing, drying；
S2Using any coating process in roller coating, spraying, dip-coating, brushing, by the aqueous hybrid inorganic-organic anti-corrosion
Coating is coated on aluminium base；
S3With the solidification of far infrared, circulating air and heater plate, solidify under conditions of metal plate temperature is 60~300 DEG C
5~60 seconds, obtain the aluminium foil with anti-corrosion function.
Compared with the relevant technologies, the beneficial effects of the invention are that: 1, design synthesizes functional organic resin, with inorganic anti-corrosion
Salt matching is good, assigns the good self-repair function of coating.2, excellent cohesive force is provided, there is good recoatability；It is organic
Inorganic hybridization coating has good substrate adhesive force, meets coating long-term effect demand.3, after substrate carries out post-production,
In the case that deformation, damage and heated baking occurs in surface, remain to provide good Corrosion Protection.
[specific embodiment]
The present invention is further explained in the light of specific embodiments.
Embodiment 1:
A kind of aqueous hybrid inorganic-organic anticorrosive paint, is made of: nano-material modified propylene the component of following parts by weight
90 parts of acid esters multiple emulsion, 10 parts of ammonium fluozirconate, 15 parts of sodium molybdate, 10 parts of titanate coupling agent, 5 parts of methanol, 32 parts of water, defoaming
1 part of agent (BYK022), 1.8 parts of PH regulator, 0.3 part of levelling agent (BYK331), 7 parts of curing agent.
In the present embodiment nano-material modified acrylate composite emulsion prepare it is as follows:
1) (parts by weight) are formulated:
N, 1 part of N dimethyl bisacrylamide, 1 part of poly(ethylene glycol) dimethacrylate, 2 parts of acrylamide, styrene 35
Part, 35 parts of butyl acrylate, 15 parts of hydroxyethyl methacrylate, 5 parts of methacrylic acid, 1.5 parts of allyl glycidyl ether, first
25 parts of base methyl acrylate, 15 parts of n-BMA, 14 parts of dodecafluoroheptyl methacrylate, 20 parts of silica solution, second
1 part of silane, 7 parts of ammonium persulfate, 245 parts of water, 25 parts of emulsifier, 5 parts of PH regulator of alkenyl three (3 methoxy ethoxy).
2) technique:
A presses above-mentioned formula, and styrene, butyl acrylate, hydroxyethyl methacrylate, methacrylic acid, allyl are contracted
Water glycerin ether, methyl methacrylate, n-BMA, dodecafluoroheptyl methacrylate, silica solution, vinyl three
(3 methoxy ethoxy) silane and 40 parts of water and 19 parts of emulsifiers carry out pre-emulsification into emulsion components A；
Ammonium persulfate and 102 parts of water dissolutions are configured to component B by b；
C is by 100 parts of water and 19 parts of emulsifiers and N, N dimethyl bisacrylamide, poly(ethylene glycol) dimethacrylate, third
Acrylamide is configured to component C；
17% (weight) the component A is added in component C d, stirs 20 minutes at 35 DEG C, is configured to component D；
20% (weight) the component B is added in component D e, stirs 75 minutes at 82 DEG C, until returning without apparent
Stream, is made seed emulsion E；
Remaining component A and component B is separately added into seed emulsion E simultaneously and is added dropwise 3.5 hours at 70~90 DEG C by f, so
84 DEG C are kept afterwards keeps the temperature 3 hours；
G PH regulator adjusts the pH value of lotion to 8.7-9.4.Obtain nano-material modified acrylate composite emulsion.
The preparation process of aqueous hybrid inorganic-organic anticorrosive paint is as follows in the present embodiment: by nano-material modified propylene
Acid esters multiple emulsion, ammonium fluozirconate, sodium molybdate, titanate coupling agent, methanol, defoaming agent BYK022, levelling agent BYK331, solidification
Agent and water are added sequentially to container, stir evenly, and pH value is then adjusted to 8.7-9.4 with PH regulator, persistently stir 1.5 hours
More than, obtain organic inorganic hybridization aluminium foil anticorrosive paint.Gained coating reaches following quality requirement: appearance: white emulsion；Admittedly containing
Amount is 12.5%, and viscosity (applying -4 glasss) is 12.3s.
The application method of aqueous hybrid inorganic-organic anticorrosive paint is as follows in the present embodiment.With being prepared as anti-corrosion aluminium foil
Example: using roller coating, the antiseptic treating agent of preparation is coated on, deionization washing is handled and passed through by alkaline defatting agent, and 100 DEG C
On the aluminium foil surface of drying, solidifies 20s in metal plate temperature for 210 DEG C and obtain the aluminium foil with anti-corrosion function.
Embodiment 2:
A kind of aqueous hybrid inorganic-organic anticorrosive paint, is made of: nano-material modified propylene the component of following parts by weight
90 parts of acid esters multiple emulsion, 10 parts of ammonium fluozirconate, 15 parts of sodium molybdate, 10 parts of titanate coupling agent, 5 parts of methanol, 32 parts of water, defoaming
1 part of agent (BYK022), 2.4 parts of PH regulator, 0.3 part of levelling agent (BYK331), 7 parts of curing agent.
In the present embodiment nano-material modified acrylate composite emulsion prepare it is as follows:
1) (parts by weight) are formulated:
N, 1 part of N dimethyl bisacrylamide, 1 part of poly(ethylene glycol) dimethacrylate, 2 parts of acrylamide, styrene 35
Part, 35 parts of butyl acrylate, 15 parts of hydroxyethyl methacrylate, 5 parts of methacrylic acid, 1.5 parts of allyl glycidyl ether, first
25 parts of base methyl acrylate, 15 parts of n-BMA, 14 parts of dodecafluoroheptyl methacrylate, 25 parts of aluminium melten gel, second
1 part of silane, 7 parts of ammonium persulfate, 245 parts of water, 25 parts of emulsifier, 5 parts of PH regulator of alkenyl three (3 methoxy ethoxy).
2) technique:
Technique is identical as above-described embodiment 1, obtains organic inorganic hybridization aluminium foil anticorrosive paint.Gained coating reaches following matter
Amount requires: appearance: white emulsion；Solid content is 11%, and viscosity (applying -4 glasss) is 12s.
The application method of aqueous hybrid inorganic-organic anticorrosive paint is as follows in the present embodiment.With being prepared as anti-corrosion aluminium foil
Example: using roller coating, the antiseptic treating agent of preparation is coated on, deionization washing is handled and passed through by alkaline defatting agent, and 100 DEG C
On the aluminium foil surface of drying, solidifies 15s in metal plate temperature for 180 DEG C and obtain the aluminium foil with anti-corrosion function.
Embodiment 3:
A kind of aqueous hybrid inorganic-organic anticorrosive paint, is made of: nano-material modified propylene the component of following parts by weight
90 parts of acid esters multiple emulsion, 10 parts of ammonium fluozirconate, 15 parts of sodium molybdate, 10 parts of titanate coupling agent, 5 parts of methanol, 32 parts of water, defoaming
1 part of agent (BYK022), 1.8 parts of PH regulator, 0.3 part of levelling agent (BYK331), 5 parts of curing agent.
In the present embodiment nano-material modified acrylate composite emulsion prepare it is as follows:
1) (parts by weight) are formulated:
N, 1 part of N dimethyl bisacrylamide, 1 part of poly(ethylene glycol) dimethacrylate, 2 parts of acrylamide, styrene 35
Part, 35 parts of butyl acrylate, 15 parts of hydroxyethyl methacrylate, 5 parts of methacrylic acid, 1.5 parts of allyl glycidyl ether, first
25 parts of base methyl acrylate, 15 parts of n-BMA, 14 parts of dodecafluoroheptyl methacrylate, nanometer grade silica
15 parts, 1 part of silane of vinyl three (3 methoxy ethoxy), 7 parts of ammonium persulfate, 245 parts of water, 25 parts of emulsifier, PH regulator 5
Part.
2) technique:
A presses above-mentioned formula, and styrene, butyl acrylate, hydroxyethyl methacrylate, methacrylic acid, allyl are contracted
Water glycerin ether, methyl methacrylate, n-BMA, dodecafluoroheptyl methacrylate, silica solution, vinyl three
(3 methoxy ethoxy) silane and 40 parts of water and 19 parts of emulsifiers carry out pre-emulsification into emulsion components A；
Ammonium persulfate and 102 parts of water dissolutions are configured to component B by b；
C is by 100 parts of water and 19 parts of emulsifiers and N, N dimethyl bisacrylamide, poly(ethylene glycol) dimethacrylate, third
Acrylamide is configured to component C；
17% (weight) the component A is added in component C d, stirs 20 minutes at 35 DEG C, is configured to component D；
20% (weight) the component B is added in component D e, stirs 75 minutes at 82 DEG C, until returning without apparent
Stream, is made seed emulsion E；
Remaining component A and component B is separately added into seed emulsion E simultaneously and is added dropwise 3.5 hours at 70~90 DEG C by f, so
84 DEG C are kept afterwards keeps the temperature 3 hours；
G PH regulator adjusts the pH value of lotion to 8.7-9.4.Obtain nano-material modified acrylate composite emulsion.
The preparation process of aqueous hybrid inorganic-organic anticorrosive paint is as follows in the present embodiment: by nano-material modified propylene
Acid esters multiple emulsion, ammonium fluozirconate, sodium molybdate, titanate coupling agent, methanol, defoaming agent BYK022, levelling agent BYK331, solidification
Agent and water are added sequentially to container, stir evenly, and pH value is then adjusted to 8.7-9.4 with PH regulator, persistently stir 1.5 hours
More than, obtain organic inorganic hybridization aluminium foil anticorrosive paint.Gained coating reaches following quality requirement: appearance: white emulsion；Admittedly containing
Amount is 10%, and viscosity (applying -4 glasss) is 12.5s.
The application method of aqueous hybrid inorganic-organic anticorrosive paint is as follows in the present embodiment.With being prepared as anti-corrosion aluminium foil
Example: using roller coating, the antiseptic treating agent of preparation is coated on, deionization washing is handled and passed through by alkaline defatting agent, and 100 DEG C
On the aluminium foil surface of drying, solidifies 22s in metal plate temperature for 200 DEG C and obtain the aluminium foil with anti-corrosion function.
Embodiment 4:
A kind of aqueous hybrid inorganic-organic anticorrosive paint, is made of: nano-material modified propylene the component of following parts by weight
90 parts of acid esters multiple emulsion, 10 parts of ammonium fluozirconate, 20 parts of sodium molybdate, 10 parts of titanate coupling agent, 5 parts of methanol, 32 parts of water, defoaming
1 part of agent (BYK022), 1.8 parts of PH regulator, 0.3 part of levelling agent (BYK331), 7 parts of curing agent.
In the present embodiment nano-material modified acrylate composite emulsion prepare it is as follows:
1) (parts by weight) are formulated:
N, 1 part of N dimethyl bisacrylamide, 1 part of poly(ethylene glycol) dimethacrylate, 2 parts of acrylamide, styrene 35
Part, 35 parts of butyl acrylate, 15 parts of hydroxyethyl methacrylate, 5 parts of methacrylic acid, 1.5 parts of allyl glycidyl ether, first
25 parts of base methyl acrylate, 15 parts of n-BMA, 14 parts of dodecafluoroheptyl methacrylate, nanometer grade silica
Additional amount is 23 parts, 1 part of silane of vinyl three (3 methoxy ethoxy), 7 parts of ammonium persulfate, 245 parts of water, and 25 parts of emulsifier, PH
5 parts of regulator.
2) technique:
A presses above-mentioned formula, and styrene, butyl acrylate, hydroxyethyl methacrylate, methacrylic acid, allyl are contracted
Water glycerin ether, methyl methacrylate, n-BMA, dodecafluoroheptyl methacrylate, silica solution, vinyl three
(3 methoxy ethoxy) silane and 40 parts of water and 19 parts of emulsifiers carry out pre-emulsification into emulsion components A；
Ammonium persulfate and 102 parts of water dissolutions are configured to component B by b；
C is by 100 parts of water and 19 parts of emulsifiers and N, N dimethyl bisacrylamide, poly(ethylene glycol) dimethacrylate, third
Acrylamide is configured to component C；
17% (weight) the component A is added in component C d, stirs 20 minutes at 35 DEG C, is configured to component D；
20% (weight) the component B is added in component D e, stirs 75 minutes at 82 DEG C, until returning without apparent
Stream, is made seed emulsion E；
Remaining component A and component B is separately added into seed emulsion E simultaneously and is added dropwise 3.5 hours at 70~90 DEG C by f, so
84 DEG C are kept afterwards keeps the temperature 3 hours；
G PH regulator adjusts the pH value of lotion to 8.7-9.4.Obtain nano-material modified acrylate composite emulsion.
The preparation process of aqueous hybrid inorganic-organic anticorrosive paint is as follows in the present embodiment: by nano-material modified propylene
Acid esters multiple emulsion, ammonium fluozirconate, sodium molybdate, titanate coupling agent, methanol, defoaming agent BYK022, levelling agent BYK331, solidification
Agent and water are added sequentially to container, stir evenly, and pH value is then adjusted to 8.7-9.4 with PH regulator, persistently stir 1.5 hours
More than, obtain organic inorganic hybridization aluminium foil anticorrosive paint.Gained coating reaches following quality requirement: appearance: white emulsion；Admittedly containing
Amount is 13%, and viscosity (applying -4 glasss) is 14s.
The application method of aqueous hybrid inorganic-organic anticorrosive paint is as follows in the present embodiment.With being prepared as anti-corrosion aluminium foil
Example: using roller coating, the antiseptic treating agent of preparation is coated on, deionization washing is handled and passed through by alkaline defatting agent, and 100 DEG C
On the aluminium foil surface of drying, solidifies 14s in metal plate temperature for 160 DEG C and obtain the aluminium foil with anti-corrosion function.
Detect environment:
1, according to GB/T2423.17-93 neutral salt spray test standard (NSS) (salt fog rank), the results are shown in Table 1:
Table 1
| The salt spray test time | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| 72 hours | 10.0 | 10.0 | 10.0 | 10.0 |
| 500 hours | 10.0 | 10.0 | 10.0 | 10.0 |
| 1000 hours | ≥9.8 | ≥9.8 | ≥9.8 | ≥9.8 |
| 1500 hours | ≥9.5 | ≥9.8 | ≥9.5 | ≥9.8 |
2, cross frame method corrosion experiment.(corrosion expansion width, unit: mm), the results are shown in Table 2:
Table 2
3, after cupping test, aluminium foil carries out salt mist experiment.(salt fog rank), the results are shown in Table 3:
Table 3
| The salt spray test time | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| 72 hours | 10.0 | 10.0 | 10.0 | 10.0 |
| 500 hours | 10.0 | 10.0 | 10.0 | 10.0 |
| 1000 hours | ≥9.8 | ≥9.8 | ≥9.8 | ≥9.8 |
| 1500 hours | ≥9.5 | ≥9.8 | ≥9.5 | ≥9.8 |
4, after stretching experiment, aluminium foil carries out salt spray test.(salt fog rank), the results are shown in Table 4:
Table 4
| The salt spray test time | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| 72 hours | 10.0 | 10.0 | 10.0 | 10.0 |
| 500 hours | 10.0 | 10.0 | 10.0 | 10.0 |
| 1000 hours | ≥9.8 | ≥9.8 | ≥9.8 | ≥9.8 |
| 1500 hours | ≥9.5 | ≥9.8 | ≥9.5 | ≥9.8 |
Experiments have shown that stretched in aluminium material surface, cupping or in the case where destroy inhibition or so it is still very useful.
Compared with the relevant technologies, the beneficial effects of the invention are that, 1, the functional organic resin of design synthesis, with inorganic anti-corrosion
Salt matching is good, assigns the good self-repair function of coating.2, excellent cohesive force is provided, there is good recoatability；It is organic
Inorganic hybridization coating has good substrate adhesive force, meets coating long-term effect demand.3, after substrate carries out post-production,
In the case that deformation, damage and heated baking occurs in surface, remain to provide good Corrosion Protection.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (5)
1. a kind of aqueous hybrid inorganic-organic anticorrosive paint, which is characterized in that the aqueous hybrid inorganic-organic anticorrosive paint
It is made of the component of following parts by weight:
Nano-material modified acrylate composite emulsion, 1~50 parts by weight；
Curing agent, 1~20 parts by weight；
Inorganic salts, 0~30 parts by weight；
Auxiliary agent, 0.01~1.00 parts by weight；
Solvent, 1~20 parts by weight；
Deionized water, surplus；
The nano-material modified acrylate composite emulsion is copolymerized by following components in parts by weight:
(1) at least one esters monomer containing a double bond, 25~100 parts by weight；
(2) at least one acid monomers containing a double bond, 5~20 parts by weight；
(3) at least one monomer containing a double bond, 10~50 parts by weight；
(4) nitrogen containing monomer containing a double bond, 1~10 parts by weight；
(5) fluorochemical monomer containing a double bond, 5~25 parts by weight；
(6) at least one containing there are two the cross-linking monomer of double bond, 1~10 parts by weight；
(7) contain a kind of olefinic one type of silane coupling agent, 0.5~2.5 parts by weight；
(8) water, 180~320 parts by weight；
(9) at least one reactive filler, 10~30, parts by weight；
(10) at least one water-soluble thermal initiator, 5~10 parts by weight；
The inorganic salts are one of molybdate, titanate, zirconates or several；
The auxiliary agent is antibacterial agent, levelling agent, wetting agent, dispersing agent, rheological agent, defoaming agent, coupling agent or both or more
Mixture；
The solvent is alcohol ether solvents.
2. aqueous hybrid inorganic-organic anticorrosive paint as described in claim 1, which is characterized in that the levelling agent be it is non-from
Son, anion, anionic and nonionic surfactant.
3. aqueous hybrid inorganic-organic anticorrosive paint as claimed in claim 2, which is characterized in that the levelling agent is alkyl
Phenol polyethenoxy ether, alkyl phenyl polyoxyethylene ether sulfonates or sulfate, alkyl diphenyl ether sulfonate or sulfate, alkyl benzene sulphonate
Salt or one of sulfate, alkylsulfonate or sulfate, fatty alcohol polyoxyethylene ether or a variety of.
4. aqueous hybrid inorganic-organic anticorrosive paint as described in claim 1, which is characterized in that the solvent is methanol, second
Alcohol, isopropanol, ethylene glycol monomethyl ether, ethylene glycol ethyl ether, butyl glycol ether, propylene glycol monomethyl ether, propylene-glycol ethyl ether, diethylene glycol ether
Or one or more of butyl.
5. such as the application method of the described in any item aqueous hybrid inorganic-organic anticorrosive paints of Claims 1 to 4, feature exists
In including the following steps:
S1Aluminium base alkaline defatting agent is handled and passes through deionization washing, drying；
S2Using any coating process in roller coating, spraying, dip-coating, brushing, by the aqueous hybrid inorganic-organic anticorrosive paint
Coated on aluminium base；
S3With the solidification of far infrared, circulating air and heater plate, the solidification 5~60 under conditions of metal plate temperature is 60~300 DEG C
Second, obtain the aluminium foil with anti-corrosion function.
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| CN109321906A (en) * | 2018-12-05 | 2019-02-12 | 湖南恒佳新材料科技有限公司 | A kind of anticorrosion aluminium material and preparation method thereof |
| CN111849341A (en) * | 2020-07-22 | 2020-10-30 | 绵阳麦思威尔科技有限公司 | Organic-inorganic nano hybrid water-based high-temperature-resistant anticorrosive paint and preparation method thereof |
| CN112375488B (en) * | 2020-11-12 | 2021-12-31 | 南雄市瑞晟化学工业有限公司 | Aqueous inorganic nano ceramic paint, preparation method and application thereof |
| CN114292405B (en) * | 2021-12-31 | 2023-02-10 | 清远华湾材料研究院有限公司 | Polydextrose ethyl acrylate and preparation method and application thereof |
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