CN110157333A - A kind of water-based anticorrosive paint and preparation method thereof - Google Patents
A kind of water-based anticorrosive paint and preparation method thereof Download PDFInfo
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- CN110157333A CN110157333A CN201910508178.XA CN201910508178A CN110157333A CN 110157333 A CN110157333 A CN 110157333A CN 201910508178 A CN201910508178 A CN 201910508178A CN 110157333 A CN110157333 A CN 110157333A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0084—Guluromannuronans, e.g. alginic acid, i.e. D-mannuronic acid and D-guluronic acid units linked with alternating alpha- and beta-1,4-glycosidic bonds; Derivatives thereof, e.g. alginates
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
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- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
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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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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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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
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- C09D7/61—Additives non-macromolecular inorganic
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Abstract
The invention discloses a kind of water-based anticorrosive paints, it is characterized in that, each component composition including following parts by weight: 40-60 parts of emulsified asphalt, 15-25 parts of waterborne film-forming ionomer, 1-3 parts of fumarate of bis- (3- trimethoxy silicon propyl), 3- (2- acrylic seleno) 1-3 parts of-l-Alanine, methyl racemic-(E) -7- [5- tert-butyl dimethylsilyl oxygroup methyl -2, 6- diisopropyl -4- (4- fluorophenyl) -3- pyridyl group] 0.3-0.5 parts of -6- heptenoic acid esters of -3- oxo of -5- hydroxyl, L-Car-Zn is alginic acid 1-3 parts modified, 10-15 parts of hectorite compound of watersoluble plumbago alkene slurry, 3-6 parts of emulsifier, 0.5-1 parts of initiator, 1-3 parts of thickener, 40-50 parts of deionized water.The invention also discloses the preparation methods of the water-based anticorrosive paint.Water-based anticorrosive paint anti-corrosion waterproof effect disclosed by the invention is significant, good combination property, and stability and weatherability are good, and rate of drying is fast, and production and use process are more environmentally protective.
Description
Technical field
The present invention relates to technical field of coatings more particularly to a kind of water-based anticorrosive paint and preparation method thereof.
Background technique
With the sustainable development of national economy and capital construction, key state project and the etch-proof requirement of heavy construction
Higher and higher, the steel constructions facility such as large-scale steel equipment, component, pipeline increases, in order to guarantee the service life of these steel constructions,
Efficiently durable safeguard procedures must be taken, wherein coating protection is the most common anti-corrosion method of steel construction.Ideal coating
The coating for needing to form coating not only has excellent rust resistance and corrosion resistance performance, but must have good application property, adaptability and
Durability.
Most of anticorrosive paint is all based on solvent based coating both at home and abroad at present, it contains a large amount of organic volatile
Object, most of these organic volatiles are inflammable and explosive noxious material, not only pollute environment, waste of energy, but also seriously endanger
The health of evil construction personnel, brings multiple harm to the mankind and environment.Water-based anticorrosive paint is the painting taken water as a solvent
Material, without having organic volatile the use of more safety and environmental protection to be the main flow direction of the following anticorrosive paint industry development.However
It is poor more or less to there is stability in water-based anticorrosive paint in the prior art, is unfavorable for storing and construct, at high cost, weatherability
The problems such as difference, slow drying speed, water resistance are bad, and heat drops down cold short, thick painting easy sagging.
The Chinese patent that application publication number is CN106752642A discloses a kind of soluble asphalt anticorrosive coating and its system
Preparation Method, 500 μm of the equal < of vertical stream thickness of each embodiment of the patent are unable to satisfy the application demand that practical thickness applies.Application is open
It number discloses a kind of water-repellent preservation waterproof chassis coating and production method, this method for the Chinese patent of CN103820024A and needs cream
Change pitch, aqueous epoxy resins and other raw materials are uniformly mixed, and store 48h, obtain after the epoxy copolymerized resin of modified pitch again into
Row subsequent manufacturing steps, the production technology is more time-consuming, and step is also more complicated.
Therefore, develop a kind of excellent combination property, anti-corrosion effect is more significant, have better water resistance, stability and
Weatherability, rate of drying is fast, is accorded with the demands of the market using more environmentally protective water-based anticorrosive paint, has extensive market value
And application prospect, it has very important significance to the development for promoting water paint industry.
Summary of the invention
In order to overcome the defects of the prior art, the present invention provides a kind of water-based anticorrosive paint and preparation method thereof, the system
Preparation Method is simple to operation, small to device dependence, and reaction condition is mild, is suitble to large-scale production demand, with higher to push away
Wide application value；The water-based anticorrosive paint anti-corrosion waterproof effect being prepared is significant, good combination property, stability and weatherability
Good, rate of drying is fast, and production and use process are more environmentally protective.
To achieve the above object of the invention, the technical solution adopted by the present invention is that, a kind of water-based anticorrosive paint, including weigh as follows
Measure each component composition of part: 40-60 parts of emulsified asphalt, 15-25 parts of waterborne film-forming ionomer, bis- (3- trimethoxy silicon propyl) are rich
1-3 parts of fumaric ester, 3- (2- acrylic seleno) 1-3 parts of-l-Alanine, methyl racemic-(E) -7- [5- tert-butyl dimethyl
Silanyloxymethyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridyl group] -5- hydroxyl -3- oxo -6- heptenoic acid esters
0.3-0.5 parts, L-Car-Zn modified alginic acid 1-3 parts, 10-15 parts of watersoluble plumbago alkene slurry hectorite compound, emulsifier 3-6
Part, 0.5-1 parts of initiator, 1-3 parts of thickener, 40-50 parts of deionized water.
Wherein, the waterborne film-forming ionomer is first by Carboxylic-terminated Polyethylene Glycol and 2,2'- [[(methyl-1 H- benzene
And triazole -1- base) methyl] amino] condensation polymer is made in di-methylcarbinol polycondensation, then use (2- chlorallyl) butyl 1- pyrrolidinyl
Phosphonate ester carries out ionization to condensation polymer and is made.
Further, the emulsifier is selected from neopelex, polyoxyethylene polyoxypropylene glycerin ether, nonyl phenol
Any one or a few mixing in any proportion in polyoxyethylene ether.
Further, the initiator in styrax, benzoin ethyl ether, 2,4-DihydroxyBenzophenone at least one
Kind.
Further, the thickener is in RM-8W, RM-12W, ASE-60 thickener selected from ACRYSOL company model
A combination of one or more object.
Further, the preparation method of the waterborne film-forming ionomer, includes the following steps:
Step S1: by Carboxylic-terminated Polyethylene Glycol, 2,2'- [[(methyl-1 H- benzotriazole -1- base) methyl] amino]
Di-methylcarbinol, high boiling solvent are added in polymerization reaction kettle, sealing, carry out within back flow reaction 2-3 hours being esterified in 250-270 DEG C anti-
It answers, catalyst is then added, be depressurized to 100-200Pa, polycondensation reaction 8-12 hours at 240-260 DEG C, after reaction first
It is dry afterwards by methanol coagulation, obtain condensation polymer；
Step S2: condensation polymer, (2- chlorallyl) butyl 1- pyrrolidinyl phosphonate ester that will be prepared by step S1
It being added in organic solvent, is stirred to react at 30-40 DEG C 4-6 hours, solvent is evaporated off in back spin, and is successively washed with ether,
Revolving removes ether, obtains waterborne film-forming ionomer.
Preferably, Carboxylic-terminated Polyethylene Glycol described in step S1,2,2'- [[(methyl-1 H- benzotriazole -1- base)
Methyl] amino] di-methylcarbinol, high boiling solvent, catalyst molar ratio be 1:1:(6-10): (0.2-0.4).
Preferably, the high boiling solvent be dimethyl sulfoxide, n,N-Dimethylformamide, in N-Methyl pyrrolidone extremely
Few one kind.
Preferably, the catalyst is one or more of antimony oxide, antimony acetate, antimony glycol.
Preferably, condensation polymer described in step S2, (2- chlorallyl) butyl 1- pyrrolidinyl phosphonate ester, organic solvent
Mass ratio is 1:(0.3-0.5): (3-5).
Preferably, the organic solvent is selected from methylene chloride, tetrahydrofuran, chloroform, at least one of acetone.
Further, the preparation method of the modified alginic acid of the L-Car-Zn, includes the following steps: L-Car-Zn, sea
Alginic acid is added in N-Methyl pyrrolidone, then 2- ethyoxyl -1- ethoxy carbonic acyl radical -1,2- dihydroquinoline is added thereto, in 25-
It is stirred to react at 35 DEG C 10-15 hours, solvent is evaporated off in back spin, obtains the modified alginic acid of L-Car-Zn.
Preferably, the L-Car-Zn, alginic acid, N-Methyl pyrrolidone, 2- ethyoxyl -1- ethoxy carbonic acyl radical -1,2-
The mass ratio of dihydroquinoline is 0.3:(3-5): (12-20): (0.1-0.2).
Further, the preparation method of the watersoluble plumbago alkene slurry hectorite compound, includes the following steps: water brightness
Mountain flour is added in watersoluble plumbago alkene slurry, is stirred 1-3 hours at 50-60 DEG C, and it is multiple to obtain watersoluble plumbago alkene slurry hectorite
Close object.
Preferably, the hectorite powder, watersoluble plumbago alkene slurry mass ratio be (3-5): 0.5.
Preferably, the mass percentage concentration of the watersoluble plumbago alkene slurry is 10%.
Further, the preparation method of the water-based anticorrosive paint includes the following steps: emulsified asphalt, aqueous first
Form a film ionomer, bis- (3- trimethoxy silicon propyl) fumarates, 3- (2- acrylic seleno)-l-Alanine, methyl racemic-
(E) -7- [5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridyl group] -5- hydroxyl
The modified alginic acid of base -3- oxo -6- heptenoic acid esters, L-Car-Zn, watersoluble plumbago alkene slurry hectorite compound and deionized water
It is added in paint mixing tank and is uniformly mixed, emulsifier, initiator and thickener is then added, stir 20-30 minutes, water-repellent preservation is made
Coating.
Further, the application method of the water-based anticorrosive paint includes the following steps: to apply the water-based anticorrosive paint
Overlay on substrate surface, under ultraviolet light solidify 30-40 minute, after at 70-80 DEG C dry 10-15 minutes.
The beneficial effects of adopting the technical scheme are that
(1) water-based anticorrosive paint provided by the invention, preparation method is simple to operation, small to device dependence, reacts item
Part is mild, is suitble to large-scale production demand, application value with higher.
(2) water-based anticorrosive paint provided by the invention overcomes water-based anticorrosive paint in the prior art and more or less deposits
Stability it is poor, be unfavorable for storing and construct, at high cost, weatherability is poor, slow drying speed, water resistance are bad, heat is dropped down cold
The defects of crisp, thick painting easy sagging, has anti-corrosion waterproof effect significant, and good combination property, stability and weatherability are good, rate of drying
Fastly, production and the more environmentally protective advantage of use process.
(3) water-based anticorrosive paint provided by the invention adds emulsified asphalt, so that coating has good cohere
Property, ageing resistance, water resistance and anti-corrosion ability；The waterborne film-forming ionomer of addition contains polyethylene glycol and ammonia on molecular backbone
Base benzotriazole structure acts synergistically with pitch, can effectively improve the adhesion strength of coating, and enhancing and the bonding of substrate are imitated
Fruit, improves the stability and peel strength of film, and the introducing of benzotriazole structure can also improve the anti-flammability of coating and resist
Ultraviolet ageing performance, so that film long service life；Using waterborne film-forming ionomer, ion is introduced on film forming polymer, into
One step improves its adsorption capacity with substrate, and secondly the cationic structural on film forming polymer is with the modified alginic acid of L-Car-Zn
The carboxyl of reaction interacts, and forms ionic bond, so that the film after solidifying forms tridimensional network, it is comprehensive to improve film
Close performance.
(4) water-based anticorrosive paint provided by the invention is modified alginic acid using L-Car-Zn, introduces zinc, improves
Resistance to corrosion, and zinc is introduced in the form of organic metal object, can improve its dispersibility and the compatibility with other compositions；In addition
Unsaturated bond is introduced by ionization, in cure stage, with bis- (3- trimethoxy silicon propyl) fumarates, 3- (2- acrylic
Seleno)-l-Alanine, methyl racemic-(E) -7- [5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -
4- (4- fluorophenyl) -3- pyridyl group] -5- hydroxyl -3- oxo -6- heptenoic acid esters are copolymerized to form three-dimensional network cross-linked structure, it improves
Film comprehensive performance；The introducing of bis- (3- trimethoxy silicon propyl) fumarates is conducive to improve the compatibility of each ingredient；Methyl
Racemic-(E) -7- [5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridine
Base] introducings of -5- hydroxyl -3- oxo -6- heptenoic acid esters can improve the anti-aging, water-fast of film, anti-corrosion and mechanical mechanics property；
Watersoluble plumbago alkene slurry hectorite compound is added and improves painting film strength and hardness, and also has improvement to its wear-resisting property,
Each ingredient synergistic effect, so that coating comprehensive performance is good.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, and make features described above of the invention,
Purpose and advantage are more clear understandable, and the present invention will be further explained with reference to the examples below.Embodiment is only used for
It is bright the present invention rather than limit the scope of the invention.
Present invention Carboxylic-terminated Polyethylene Glycol as used in the following examples is previously prepared, preparation method reference: double
The synthesis of carboxyl end group polyethylene glycol, Li Xianhong, chemistry and bioengineering, 2015 (10)；Other raw materials are commercially available.
Embodiment 1
A kind of water-based anticorrosive paint, each component composition including following parts by weight: 40 parts of emulsified asphalt, waterborne film-forming are from poly-
Disappear outside 15 parts of object, bis- (3- trimethoxy silicon propyl) 1 part of fumarates, 3- (2- acrylic seleno) 1 part of-l-Alanine, methyl
Rotation-(E) -7- [5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridyl group] -
Modified 1 part of the alginic acid of 0.3 part of 5- hydroxyl -3- oxo -6- heptenoic acid esters, L-Car-Zn, watersoluble plumbago alkene slurry hectorite are compound
10 parts of object, 3 parts of neopelex, 0.5 part of styrax, 1 part of thickener RM-8W, 40 parts of deionized water；It is described aqueous
Film forming ionomer is first by Carboxylic-terminated Polyethylene Glycol and 2,2'- [[(methyl-1 H- benzotriazole -1- base) methyl] ammonia
Base] condensation polymer is made in di-methylcarbinol polycondensation, then with (2- chlorallyl) butyl 1- pyrrolidinyl phosphonate ester to condensation polymer carry out from
Sonization is made.
The preparation method of the waterborne film-forming ionomer, includes the following steps:
Step S1: by Carboxylic-terminated Polyethylene Glycol, 2,2'- [[(methyl-1 H- benzotriazole -1- base) methyl] amino]
Di-methylcarbinol, high boiling solvent are added in polymerization reaction kettle, sealing, in 250 DEG C of back flow reactions, 2 hours progress esterifications, then
Antimony oxide is added, is depressurized to 100Pa, methanol coagulation is successively passed through in polycondensation reaction 8 hours at 240 DEG C after reaction,
It is dry, obtain condensation polymer；Carboxylic-terminated Polyethylene Glycol described in step S1,2,2'- [[(methyl-1 H- benzotriazole -1- base)
Methyl] amino] di-methylcarbinol, dimethyl sulfoxide, antimony oxide molar ratio be 1:1:6:0.2；
Step S2: condensation polymer 1kg, (2- chlorallyl) butyl 1- pyrrolidinyl phosphonic acids that will be prepared by step S1
Ester 0.3kg is added in methylene chloride 3kg, is stirred to react at 30 DEG C 4 hours, solvent is evaporated off in back spin, and successively uses ether
Washing, revolving remove ether, obtain waterborne film-forming ionomer.
The preparation method of the modified alginic acid of the L-Car-Zn, includes the following steps: L-Car-Zn 0.3kg, alginic acid
3kg is added in N-Methyl pyrrolidone 12kg, then 2- ethyoxyl -1- ethoxy carbonic acyl radical -1,2- dihydroquinoline is added thereto
0.1kg is stirred to react 10 hours at 25 DEG C, and solvent is evaporated off in back spin, obtains the modified alginic acid of L-Car-Zn.
The preparation method of the watersoluble plumbago alkene slurry hectorite compound includes the following steps: to add hectorite powder 3kg
Enter into watersoluble plumbago alkene slurry 0.5kg, stirred 1 hour at 50 DEG C, obtains watersoluble plumbago alkene slurry hectorite compound；Institute
The mass percentage concentration for stating watersoluble plumbago alkene slurry is 10%.
The preparation method of the water-based anticorrosive paint includes the following steps: first by emulsified asphalt, waterborne film-forming from poly-
Object, bis- (3- trimethoxy silicon propyl) fumarates, 3- (2- acrylic seleno)-l-Alanine, methyl racemic-(E) -7-
[5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridyl group] -5- hydroxyl -3-
The modified alginic acid of oxo -6- heptenoic acid esters, L-Car-Zn, watersoluble plumbago alkene slurry hectorite compound and deionized water are added and adjust
It is uniformly mixed in paint can, neopelex, styrax and thickener RM-8W is then added, stirred 20 minutes, water is made
Property anticorrosive paint.
The application method of the water-based anticorrosive paint includes the following steps: the water-based anticorrosive paint being coated in substrate
Surface solidifies 30 minutes under ultraviolet light, after dry 10 minutes at 70 DEG C.
Embodiment 2
A kind of water-based anticorrosive paint, each component composition including following parts by weight: 45 parts of emulsified asphalt, waterborne film-forming are from poly-
17 parts of object, bis- (3- trimethoxy silicon propyl) 1.5 parts of fumarates, 3- (2- acrylic seleno) 1.5 parts of-l-Alanine, methyl
Racemic-(E) -7- [5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridine
Base] 0.35 part of -5- hydroxyl -3- oxo -6- heptenoic acid esters, L-Car-Zn modified 1.5 parts of alginic acid, watersoluble plumbago alkene slurry water brightness
Stone compound 11 part, 3.5 parts of polyoxyethylene polyoxypropylene glycerin ether, 0.6 part of benzoin ethyl ether, 1.5 parts of thickener RM-12W,
43 parts of deionized water.
Wherein, the waterborne film-forming ionomer is first by Carboxylic-terminated Polyethylene Glycol and 2,2'- [[(methyl-1 H- benzene
And triazole -1- base) methyl] amino] condensation polymer is made in di-methylcarbinol polycondensation, then use (2- chlorallyl) butyl 1- pyrrolidinyl
Phosphonate ester carries out ionization to condensation polymer and is made.
The preparation method of the waterborne film-forming ionomer, includes the following steps:
Step S1: by Carboxylic-terminated Polyethylene Glycol, 2,2'- [[(methyl-1 H- benzotriazole -1- base) methyl] amino]
Di-methylcarbinol, n,N-Dimethylformamide are added in polymerization reaction kettle, sealing, carry out within back flow reaction 2.3 hours being esterified in 255 DEG C anti-
It answers, antimony acetate is then added, be depressurized to 130Pa, polycondensation reaction 9 hours at 245 DEG C are successively poly- by methanol after reaction
It is heavy, it is dry, obtain condensation polymer；The Carboxylic-terminated Polyethylene Glycol, 2,2'- [[(methyl-1 H- benzotriazole -1- base) methyl]
Amino] di-methylcarbinol, N,N-dimethylformamide, antimony acetate molar ratio be 1:1:7:0.25；
Step S2: condensation polymer 1kg, (2- chlorallyl) butyl 1- pyrrolidinyl phosphonic acids that will be prepared by step S1
Ester 0.35kg is added in tetrahydrofuran 3.5kg, is stirred to react at 32 DEG C 4.5 hours, and solvent is evaporated off in back spin, and successively uses
Ether washing, revolving remove ether, obtain waterborne film-forming ionomer.
The preparation method of the modified alginic acid of the L-Car-Zn, includes the following steps: L-Car-Zn 0.3kg, alginic acid
3.5kg is added in N-Methyl pyrrolidone 13kg, then 2- ethyoxyl -1- ethoxy carbonic acyl radical -1,2- dihydroquinoline is added thereto
0.13kg is stirred to react 11 hours at 27 DEG C, and solvent is evaporated off in back spin, obtains the modified alginic acid of L-Car-Zn.
The preparation method of the watersoluble plumbago alkene slurry hectorite compound includes the following steps: hectorite powder 3.5kg
It is added in watersoluble plumbago alkene slurry 0.5kg, is stirred 1.5 hours at 52 DEG C, it is compound to obtain watersoluble plumbago alkene slurry hectorite
Object；The mass percentage concentration of the watersoluble plumbago alkene slurry is 10%.
The preparation method of the water-based anticorrosive paint includes the following steps: first by emulsified asphalt, waterborne film-forming from poly-
Object, bis- (3- trimethoxy silicon propyl) fumarates, 3- (2- acrylic seleno)-l-Alanine, methyl racemic-(E) -7-
[5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridyl group] -5- hydroxyl -3-
The modified alginic acid of oxo -6- heptenoic acid esters, L-Car-Zn, watersoluble plumbago alkene slurry hectorite compound and deionized water are added and adjust
It is uniformly mixed in paint can, polyoxyethylene polyoxypropylene glycerin ether, benzoin ethyl ether and thickener RM-12W, stirring 23 is then added
Minute, water-based anticorrosive paint is made.
The application method of the water-based anticorrosive paint includes the following steps: the water-based anticorrosive paint being coated in substrate
Surface solidifies 33 minutes under ultraviolet light, after dry 11 minutes at 72 DEG C.
Embodiment 3
A kind of water-based anticorrosive paint, each component composition including following parts by weight: 50 parts of emulsified asphalt, waterborne film-forming are from poly-
Disappear outside 19 parts of object, bis- (3- trimethoxy silicon propyl) 2 parts of fumarates, 3- (2- acrylic seleno) 2 parts of-l-Alanine, methyl
Rotation-(E) -7- [5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridyl group] -
Modified 2 parts of the alginic acid of 0.4 part of 5- hydroxyl -3- oxo -6- heptenoic acid esters, L-Car-Zn, watersoluble plumbago alkene slurry hectorite are compound
13 parts of object, 4.5 parts of nonylphenol polyoxyethylene ether, 0.8 part of 2,4 dihydroxyl benzophenone, 2 parts of thickener ASE-60, deionization
45 parts of water.
Wherein, the waterborne film-forming ionomer is first by Carboxylic-terminated Polyethylene Glycol and 2,2'- [[(methyl-1 H- benzene
And triazole -1- base) methyl] amino] condensation polymer is made in di-methylcarbinol polycondensation, then use (2- chlorallyl) butyl 1- pyrrolidinyl
Phosphonate ester carries out ionization to condensation polymer and is made.
The preparation method of the waterborne film-forming ionomer, includes the following steps:
Step S1: by Carboxylic-terminated Polyethylene Glycol, 2,2'- [[(methyl-1 H- benzotriazole -1- base) methyl] amino]
Di-methylcarbinol, N-Methyl pyrrolidone are added in polymerization reaction kettle, sealing, carry out within back flow reaction 2.5 hours being esterified in 260 DEG C anti-
It answers, antimony glycol is then added, be depressurized to 150Pa, first is successively passed through in polycondensation reaction 10 hours at 250 DEG C after reaction
Alcohol coagulation, it is dry, obtain condensation polymer；The Carboxylic-terminated Polyethylene Glycol, 2,2'- [[(methyl-1 H- benzotriazole -1- base)
Methyl] amino] di-methylcarbinol, N-Methyl pyrrolidone, antimony glycol molar ratio be 1:1:8:0.3；
Step S2: condensation polymer 1kg, (2- chlorallyl) butyl 1- pyrrolidinyl phosphonic acids that will be prepared by step S1
Ester 0.4kg is added in chloroform 4kg, is stirred to react at 35 DEG C 5 hours, solvent is evaporated off in back spin, and successively uses ether
Washing, revolving remove ether, obtain waterborne film-forming ionomer.
The preparation method of the modified alginic acid of the L-Car-Zn, includes the following steps: L-Car-Zn 0.3kg, alginic acid
4kg is added in N-Methyl pyrrolidone 15kg, then 2- ethyoxyl -1- ethoxy carbonic acyl radical -1,2- dihydroquinoline is added thereto
0.15kg is stirred to react 13 hours at 28 DEG C, and solvent is evaporated off in back spin, obtains the modified alginic acid of L-Car-Zn.
The preparation method of the watersoluble plumbago alkene slurry hectorite compound includes the following steps: to add hectorite powder 4kg
Enter into watersoluble plumbago alkene slurry 0.5kg, stirred 2 hours at 55 DEG C, obtains watersoluble plumbago alkene slurry hectorite compound；Institute
The mass percentage concentration for stating watersoluble plumbago alkene slurry is 10%.
The preparation method of the water-based anticorrosive paint includes the following steps: first by emulsified asphalt, waterborne film-forming from poly-
Object, bis- (3- trimethoxy silicon propyl) fumarates, 3- (2- acrylic seleno)-l-Alanine, methyl racemic-(E) -7-
[5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridyl group] -5- hydroxyl -3-
The modified alginic acid of oxo -6- heptenoic acid esters, L-Car-Zn, watersoluble plumbago alkene slurry hectorite compound and deionized water are added and adjust
It is uniformly mixed in paint can, nonylphenol polyoxyethylene ether, 2,4-DihydroxyBenzophenone and thickener ASE-60, stirring is then added
25 minutes, water-based anticorrosive paint is made.
The application method of the water-based anticorrosive paint includes the following steps: the water-based anticorrosive paint being coated in substrate
Surface solidifies 35 minutes under ultraviolet light, after dry 13 minutes at 75 DEG C.
Embodiment 4
A kind of water-based anticorrosive paint, each component composition including following parts by weight: 55 parts of emulsified asphalt, waterborne film-forming are from poly-
23 parts of object, bis- (3- trimethoxy silicon propyl) 2.5 parts of fumarates, 3- (2- acrylic seleno) 2.5 parts of-l-Alanine, methyl
Racemic-(E) -7- [5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridine
Base] 0.45 part of -5- hydroxyl -3- oxo -6- heptenoic acid esters, L-Car-Zn modified 2.5 parts of alginic acid, watersoluble plumbago alkene slurry water brightness
14.5 parts of stone compound, 5 parts of emulsifier, 0.9 part of initiator, 2.5 parts of thickener, 48 parts of deionized water；The emulsifier is ten
Dialkyl benzene sulfonic acids sodium, polyoxyethylene polyoxypropylene glycerin ether, nonylphenol polyoxyethylene ether 1:3:2 in mass ratio are mixed；
The initiator is styrax, benzoin ethyl ether, 2,4 dihydroxyl benzophenone 2:3:5 in mass ratio are mixed；The increasing
Thick dose is that ACRYSOL company model is that RM-8W, RM-12W, ASE-60 thickener 1:1:3 in mass ratio are mixed；
Wherein, the waterborne film-forming ionomer is first by Carboxylic-terminated Polyethylene Glycol and 2,2'- [[(methyl-1 H- benzene
And triazole -1- base) methyl] amino] condensation polymer is made in di-methylcarbinol polycondensation, then use (2- chlorallyl) butyl 1- pyrrolidinyl
Phosphonate ester carries out ionization to condensation polymer and is made.
The preparation method of the waterborne film-forming ionomer, includes the following steps:
Step S1: by Carboxylic-terminated Polyethylene Glycol, 2,2'- [[(methyl-1 H- benzotriazole -1- base) methyl] amino]
Di-methylcarbinol, high boiling solvent are added in polymerization reaction kettle, sealing, in 265 DEG C of back flow reactions, 2.8 hours progress esterifications, so
After catalyst is added, be depressurized to 180Pa, polycondensation reaction 11 hours at 255 DEG C, after reaction successively pass through methanol coagulation,
It is dry, obtain condensation polymer；The Carboxylic-terminated Polyethylene Glycol, 2,2'- [[(methyl-1 H- benzotriazole -1- base) methyl] ammonia
Base] di-methylcarbinol, high boiling solvent, catalyst molar ratio be 1:1:9:0.35；The high boiling solvent is dimethyl sulfoxide, N, N-
Dimethylformamide, N-Methyl pyrrolidone 1:3:2 in mass ratio are mixed；The catalyst is antimony oxide, acetic acid
Antimony, antimony glycol 1:3:1 in mass ratio are mixed；
Step S2: condensation polymer 1kg, (2- chlorallyl) butyl 1- pyrrolidinyl phosphonic acids that will be prepared by step S1
Ester 0.48kg is added in organic solvent 4.8kg, is stirred to react at 38 DEG C 5.7 hours, and solvent is evaporated off in back spin, and successively uses
Ether washing, revolving remove ether, obtain waterborne film-forming ionomer；The organic solvent is methylene chloride, tetrahydrofuran, trichlorine
Methane, acetone 1:3:2:2 in mass ratio are mixed.
The preparation method of the modified alginic acid of the L-Car-Zn, includes the following steps: L-Car-Zn 0.3kg, alginic acid
4.8kg is added in N-Methyl pyrrolidone 19kg, then 2- ethyoxyl -1- ethoxy carbonic acyl radical -1,2- dihydroquinoline is added thereto
0.19kg is stirred to react 14.5 hours at 33 DEG C, and solvent is evaporated off in back spin, obtains the modified alginic acid of L-Car-Zn.
The preparation method of the watersoluble plumbago alkene slurry hectorite compound includes the following steps: hectorite powder 4.5kg
It is added in watersoluble plumbago alkene slurry 0.5kg, is stirred 2.8 hours at 58 DEG C, it is compound to obtain watersoluble plumbago alkene slurry hectorite
Object；The mass percentage concentration of the watersoluble plumbago alkene slurry is 10%.
The preparation method of the water-based anticorrosive paint includes the following steps: first by emulsified asphalt, waterborne film-forming from poly-
Object, bis- (3- trimethoxy silicon propyl) fumarates, 3- (2- acrylic seleno)-l-Alanine, methyl racemic-(E) -7-
[5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridyl group] -5- hydroxyl -3-
The modified alginic acid of oxo -6- heptenoic acid esters, L-Car-Zn, watersoluble plumbago alkene slurry hectorite compound and deionized water are added and adjust
It is uniformly mixed in paint can, emulsifier, initiator and thickener is then added, stirred 28 minutes, water-based anticorrosive paint is made.
The application method of the water-based anticorrosive paint includes the following steps: the water-based anticorrosive paint being coated in substrate
Surface solidifies 38 minutes under ultraviolet light, after dry 14.5 minutes at 78 DEG C.
Embodiment 5
A kind of water-based anticorrosive paint, each component composition including following parts by weight: 60 parts of emulsified asphalt, waterborne film-forming are from poly-
Disappear outside 25 parts of object, bis- (3- trimethoxy silicon propyl) 3 parts of fumarates, 3- (2- acrylic seleno) 3 parts of-l-Alanine, methyl
Rotation-(E) -7- [5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridyl group] -
Modified 3 parts of the alginic acid of 0.5 part of 5- hydroxyl -3- oxo -6- heptenoic acid esters, L-Car-Zn, watersoluble plumbago alkene slurry hectorite are compound
15 parts of object, 6 parts of polyoxyethylene polyoxypropylene glycerin ether, 1 part of benzoin ethyl ether, 3 parts of thickener RM-12W, 50 parts of deionized water.
Wherein, the waterborne film-forming ionomer is first by Carboxylic-terminated Polyethylene Glycol and 2,2'- [[(methyl-1 H- benzene
And triazole -1- base) methyl] amino] condensation polymer is made in di-methylcarbinol polycondensation, then use (2- chlorallyl) butyl 1- pyrrolidinyl
Phosphonate ester carries out ionization to condensation polymer and is made.
The preparation method of the waterborne film-forming ionomer, includes the following steps:
Step S1: by Carboxylic-terminated Polyethylene Glycol, 2,2'- [[(methyl-1 H- benzotriazole -1- base) methyl] amino]
Di-methylcarbinol, n,N-Dimethylformamide are added in polymerization reaction kettle, sealing, carry out within back flow reaction 3 hours being esterified in 270 DEG C anti-
It answers, antimony oxide is then added, be depressurized to 200Pa, polycondensation reaction 12 hours at 260 DEG C are successively passed through after reaction
Methanol coagulation, it is dry, obtain condensation polymer；The Carboxylic-terminated Polyethylene Glycol, 2,2'- [[(methyl-1 H- benzotriazole -1-
Base) methyl] amino] di-methylcarbinol, N,N-dimethylformamide, antimony oxide molar ratio be 1:1:10:0.4；
Step S2: condensation polymer 1kg, (2- chlorallyl) butyl 1- pyrrolidinyl phosphonic acids that will be prepared by step S1
Ester 0.5kg is added in acetone 5kg, is stirred to react at 40 DEG C 6 hours, and solvent is evaporated off in back spin, and is successively washed with ether,
Revolving removes ether, obtains waterborne film-forming ionomer.
The preparation method of the modified alginic acid of the L-Car-Zn, includes the following steps: L-Car-Zn 0.3kg, alginic acid
5kg is added in N-Methyl pyrrolidone 20kg, then 2- ethyoxyl -1- ethoxy carbonic acyl radical -1,2- dihydroquinoline is added thereto
0.2kg is stirred to react 15 hours at 35 DEG C, and solvent is evaporated off in back spin, obtains the modified alginic acid of L-Car-Zn.
The preparation method of the watersoluble plumbago alkene slurry hectorite compound includes the following steps: to add hectorite powder 5kg
Enter into watersoluble plumbago alkene slurry 0.5kg, stirred 3 hours at 60 DEG C, obtains watersoluble plumbago alkene slurry hectorite compound；Institute
The mass percentage concentration for stating watersoluble plumbago alkene slurry is 10%.
The preparation method of the water-based anticorrosive paint includes the following steps: first by emulsified asphalt, waterborne film-forming from poly-
Object, bis- (3- trimethoxy silicon propyl) fumarates, 3- (2- acrylic seleno)-l-Alanine, methyl racemic-(E) -7-
[5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridyl group] -5- hydroxyl -3-
The modified alginic acid of oxo -6- heptenoic acid esters, L-Car-Zn, watersoluble plumbago alkene slurry hectorite compound and deionized water are added and adjust
It is uniformly mixed in paint can, polyoxyethylene polyoxypropylene glycerin ether, benzoin ethyl ether and thickener RM-12W, stirring 30 is then added
Minute, water-based anticorrosive paint is made.
The application method of the water-based anticorrosive paint includes the following steps: the water-based anticorrosive paint being coated in substrate
Surface solidifies 40 minutes under ultraviolet light, after dry 15 minutes at 80 DEG C.
Comparative example 1
A kind of water-based anticorrosive paint, preparation method and formula are substantially the same manner as Example 1, the difference is that aqueous without adding
Form a film ionomer.
Comparative example 2
A kind of water-based anticorrosive paint, preparation method and formula are substantially the same manner as Example 1, the difference is that without addition L- flesh
Peptide zinc modification alginic acid.
Comparative example 3
A kind of water-based anticorrosive paint, preparation method and formula are substantially the same manner as Example 1, the difference is that using watersoluble plumbago alkene
Slurry substitutes watersoluble plumbago alkene slurry hectorite compound.
Comparative example 4
A kind of water-based anticorrosive paint, preparation method and formula are substantially the same manner as Example 1, the difference is that double without addition
(3- trimethoxy silicon propyl) fumarate.
Comparative example 5
A kind of water-based anticorrosive paint, preparation method and formula are substantially the same manner as Example 1, the difference is that without addition 3-
(2- acrylic seleno)-l-Alanine.
Comparative example 6
A kind of water-based anticorrosive paint, preparation method and formula are substantially the same manner as Example 1, the difference is that without addition methyl
Racemic-(E) -7- [5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4- fluorophenyl) -3- pyridine
Base] -5- hydroxyl -3- oxo -6- heptenoic acid esters.
Comparative example 7
Commercially available water-based anticorrosive paint.
Correlated performance test, test method are carried out to water-based anticorrosive paint obtained by above-described embodiment 1-5 and comparative example 1-7
It is as shown in table 1 with test result.
Table 1
| Test item | Adhesive force | Water resistance | Salt fog resistance | Volatile organic matter |
| Unit | Grade | It | Hour | g/L |
| Testing standard | GB/T1720-1979 | ASTMD870 | GB/T1771-2007 | GB/T23986-2009 |
| Embodiment 1 | 1 | 6 | 830 | 30 |
| Embodiment 2 | 1 | 7 | 850 | 27 |
| Embodiment 3 | 1 | 7 | 880 | 25 |
| Embodiment 4 | 1 | 8 | 900 | 23 |
| Embodiment 5 | 1 | 10 | 950 | 20 |
| Comparative example 1 | 2 | 3 | 600 | 32 |
| Comparative example 2 | 1 | 4 | 620 | 33 |
| Comparative example 3 | 2 | 3 | 610 | 32 |
| Comparative example 4 | 2 | 3 | 595 | 31 |
| Comparative example 5 | 2 | 4 | 599 | 33 |
| Comparative example 6 | 2 | 4 | 604 | 32 |
| Comparative example 7 | 2 | 2 | 550 | 35 |
As it can be seen from table 1 the water-based anticorrosive paint of the embodiment of the present invention has higher adhesive force compared with commercial product, more
Excellent water resistance and resisting salt fog corrosion ability, and it is more environmentally protective.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of water-based anticorrosive paint, which is characterized in that each component composition including following parts by weight: 40-60 parts of emulsified asphalt,
15-25 parts of waterborne film-forming ionomer, bis- (3- trimethoxy silicon propyl) 1-3 parts of fumarates, 3- (2- acrylic seleno)-L- third
1-3 parts of propylhomoserin, methyl racemic-(E) -7- [5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4- (4-
Fluorophenyl) -3- pyridyl group] 0.3-0.5 parts of -5- hydroxyl -3- oxo -6- heptenoic acid esters, L-Car-Zn be alginic acid 1-3 parts modified,
10-15 parts of watersoluble plumbago alkene slurry hectorite compound, 3-6 parts of emulsifier, 0.5-1 parts of initiator, 1-3 parts of thickener, go from
Sub- water 40-50 parts；
Wherein, the waterborne film-forming ionomer is first by Carboxylic-terminated Polyethylene Glycol and 2,2'- [[(methyl-1 H- benzo three
Nitrogen azoles -1- base) methyl] amino] condensation polymer is made in di-methylcarbinol polycondensation, then use (2- chlorallyl) butyl 1- pyrrolidinyl phosphonic acids
Ester carries out ionization to condensation polymer and is made.
2. a kind of water-based anticorrosive paint according to claim 1, which is characterized in that the emulsifier is selected from detergent alkylate
Sodium sulfonate, polyoxyethylene polyoxypropylene glycerin ether, in nonylphenol polyoxyethylene ether any one or a few in any proportion
Mixing；The initiator is selected from least one of styrax, benzoin ethyl ether, 2,4 dihydroxyl benzophenone；The thickening
Agent is selected from the composition that ACRYSOL company model is one or more of RM-8W, RM-12W, ASE-60 thickener.
3. a kind of water-based anticorrosive paint according to claim 1, which is characterized in that the waterborne film-forming ionomer
Preparation method includes the following steps:
Step S1: by Carboxylic-terminated Polyethylene Glycol, 2,2'- [[(methyl-1 H- benzotriazole -1- base) methyl] amino] double second
Alcohol, high boiling solvent are added in polymerization reaction kettle, sealing, in 2-3 hours progress esterifications of 250-270 DEG C of back flow reaction, so
After catalyst is added, be depressurized to 100-200Pa, polycondensation reaction 8-12 hours at 240-260 DEG C, after reaction successively pass through
Methanol coagulation, it is dry, obtain condensation polymer；
Step S2: the condensation polymer being prepared by step S1, (2- chlorallyl) butyl 1- pyrrolidinyl phosphonate ester are added
It into organic solvent, is stirred to react at 30-40 DEG C 4-6 hours, solvent is evaporated off in back spin, and is successively washed with ether, revolving
Ether is removed, waterborne film-forming ionomer is obtained.
4. a kind of water-based anticorrosive paint according to claim 3, which is characterized in that the poly- second of both-end carboxyl described in step S1
Glycol, 2,2'- [[(methyl-1 H- benzotriazole -1- base) methyl] amino] di-methylcarbinol, high boiling solvent, catalyst mole
Than for 1:1:(6-10): (0.2-0.4)；The high boiling solvent is dimethyl sulfoxide, N,N-dimethylformamide, N- methylpyrrole
At least one of alkanone；The catalyst is one or more of antimony oxide, antimony acetate, antimony glycol.
5. a kind of water-based anticorrosive paint according to claim 3, which is characterized in that condensation polymer described in step S2, (2- chlorine
Allyl) butyl 1- pyrrolidinyl phosphonate ester, organic solvent mass ratio be 1:(0.3-0.5): (3-5)；The organic solvent
Selected from methylene chloride, tetrahydrofuran, chloroform, at least one of acetone.
6. a kind of water-based anticorrosive paint according to claim 1, which is characterized in that the modified alginic acid of the L-Car-Zn
Preparation method includes the following steps: for L-Car-Zn, alginic acid to be added in N-Methyl pyrrolidone, then 2- second is added thereto
Oxy-1-ethoxy carbonic acyl radical-1,2- dihydroquinoline, is stirred to react 10-15 hours, solvent is evaporated off in back spin, obtains at 25-35 DEG C
To the modified alginic acid of L-Car-Zn.
7. a kind of water-based anticorrosive paint according to claim 7, which is characterized in that the L-Car-Zn, alginic acid, N- first
Base pyrrolidones, 2- ethyoxyl -1- ethoxy carbonic acyl radical -1,2- dihydroquinoline mass ratio be 0.3:(3-5): (12-20):
(0.1-0.2)。
8. a kind of water-based anticorrosive paint according to claim 1, which is characterized in that the watersoluble plumbago alkene slurry hectorite
The preparation method of compound includes the following steps: to be added to hectorite powder in watersoluble plumbago alkene slurry, stir at 50-60 DEG C
It mixes 1-3 hours, obtains watersoluble plumbago alkene slurry hectorite compound；The mass ratio of the hectorite powder, watersoluble plumbago alkene slurry
For (3-5): 0.5；The mass percentage concentration of the watersoluble plumbago alkene slurry is 10%.
9. a kind of preparation method of such as described in any item water-based anticorrosive paints of claim 1-8, which is characterized in that including as follows
Step: first by emulsified asphalt, waterborne film-forming ionomer, bis- (3- trimethoxy silicon propyl) fumarates, 3- (2- acrylic selenium
Base)-l-Alanine, methyl racemic-(E) -7- [5- tert-butyl dimethylsilyl oxygroup methyl -2,6- diisopropyl -4-
(4- fluorophenyl) -3- pyridyl group] -5- hydroxyl -3- oxo -6- heptenoic acid esters, the modified alginic acid of L-Car-Zn, watersoluble plumbago alkene slurry
Expect that hectorite compound and deionized water are added in paint mixing tank to be uniformly mixed, emulsifier, initiator and thickener is then added, stirs
It mixes 20-30 minutes, water-based anticorrosive paint is made.
10. a kind of application method of such as described in any item water-based anticorrosive paints of claim 1-8, which is characterized in that including such as
Lower step: by the water-based anticorrosive paint be coated in substrate surface, under ultraviolet light solidify 30-40 minutes, after at 70-80 DEG C
It is 10-15 minutes dry.
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| CN112457724A (en) * | 2020-11-27 | 2021-03-09 | 魏建林 | Water-resistant anticorrosive paint and preparation method thereof |
| CN114892176A (en) * | 2022-05-12 | 2022-08-12 | 中山大学 | Application of organic selenium in inhibiting corrosion of carbon steel in acidic solution and carbon steel corrosion inhibitor |
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