CN108795193A - A kind of preparation method of water-and acrylate anticorrosive paint - Google Patents
A kind of preparation method of water-and acrylate anticorrosive paint Download PDFInfo
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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
- C09D133/00—Coating compositions based on homopolymers or 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- 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
- 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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- 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
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- 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
- 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
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a kind of preparation methods of water-and acrylate anticorrosive paint, belong to technical field of polymer materials.It counts, weighs successively in parts by weight：50~60 parts of water-and acrylate lotions, 12~18 parts of modified alta-muds, 8~14 portions of modified starches, 5~8 parts of additives, 10~15 parts of titanium dioxides, 2~4 parts of dispersants, 1~2 part of antifoaming agent and 35~40 parts of water, by water and dispersant, and are added antifoaming agent, additive, modified starch and modified alta-mud, after being stirred, blank is obtained, blank is mixed with water-and acrylate lotion, and titanium dioxide is added, it is stirred, obtains water-and acrylate anticorrosive paint.Gained water-and acrylate anticorrosive paint of the invention has excellent Corrosion Protection and paint film intensity.
Description
Technical field
The invention discloses a kind of preparation methods of water-and acrylate anticorrosive paint, belong to high polymer material technology neck
Domain.
Background technology
Anticorrosive paint is generally divided into conventional anticorrosive paint and anticorrosive paint, is essential one kind in paint
Coating.Conventional anticorrosive paint is under general condition, to play the role of the longevity etch-proof, protection non-ferrous metal uses to metal etc.
Life；It for anticorrosive paint refers to relatively conventional anticorrosive paint, can be applied in relatively harsh corrosive environment, and with can reach
A kind of anticorrosive paint of protection period longer than conventional anticorrosive paint.
Epoxy coating is a kind of using extremely wide coating, but as environmental regulation is increasingly stringent, solvent type ring
The application of oxygen cold coating is increasingly restricted, and many researchers attempt to be changed with Mechanical Method, additional emulsifier method, Graft Method
Property is at aqueous epoxy resins, but the water paint prepared by single epoxy resin can not contend in performance with solvent based coating.
Epoxy resin and acrylic ester composite emulsion combines the two advantage, is the research hotspot of current waterborne epoxy coatings.However due to
The reactivity of epoxy group, there are the problems that stability and corrosion resistance are difficult to take into account for aqueous epoxy resins.Add in organic polymer
Add inorganic nano-particle that can generate synergistic effect, such as by Al2O3、SiO2、ZnO、Fe2O3Etc. being added in coating, that its can be improved is certain
Performance.The ferroso-ferric oxide of inverse spinel structure（Fe3O4）With excellent Magnetics characteristL, often apply in magnetic memory materials, microwave
Absorption, drug targeting guiding etc..In the recent period studies have found that the alternative coating of the nano ferriferrous oxide of black commonly causes
Cancer chromium pigment, and significantly improve the corrosion resistance of waterborne epoxy coatings.However nanometer Fe3O4Particle is easily reunited, and water is directly appended to
Poor compatibility in property coating with polymeric matrix.At present traditional anticorrosive paint there is also Corrosion Protection and paint film intensity not
Good problem, therefore also need to study it.
Invention content
The present invention solves the technical problem of：It can not be further increased for traditional anticorrosive paint Corrosion Protection,
The bad problem of paint film intensity provides a kind of preparation method of water-and acrylate anticorrosive paint.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）Sodium bentonite is crushed and is sieved, refinement sodium bentonite is obtained, by refinement sodium bentonite and water in mass ratio 1：50
~1：55 mixing, and the green vitriol of 5~6 times of refinement sodium bentonite quality is added, under nitrogen protection, after being aerated 5~10min,
Bentonite mixtures must be pre-processed, by pretreatment bentonite mixtures and no oxyethanol in mass ratio 3：1~4：1 mixing, obtains swollen
Moisten earth mixtures；
（2）By potassium borohydride and sodium hydroxide solution in mass ratio 1：10~1：15 mixing, obtain sodium hydroxide mixed liquor, by swelling
The sodium hydroxide mixed liquor of 0.2~0.4 times of earth mixtures quality instills in bentonite mixtures, and after being stirred, filtering obtains
Filter cake anaerobic milli-Q water is used in combination deoxidation absolute ethyl alcohol to wash, dry, pulverize by filter cake, is sieved, obtains modified alta-mud；
（3）By starch and water in mass ratio 1：3~1：4 mixing, obtain starch milk, adjust the pH of starch milk to 7.0~7.4, and to
The sodium phytate of starch milk quality 2.0~2.5% is added in starch milk, after being stirred, washing filters, dry, obtains modified starch；
（4）By acetobacter xylinum and culture solution in mass ratio 1：20~1：30 mixing, and the oxygen of 2~3 times of acetobacter xylinum quality is added
Graphite alkene mixture is stirred, and constant temperature incubation after adjusting pH to 5.4~6.0, is filtered, be dry, pulverize, must add
Agent；
（5）It counts, weighs successively in parts by weight：50~60 parts of water-and acrylate lotions, 12~18 parts of modified alta-muds, 8~
14 portions of modified starches, 5~8 parts of additives, 10~15 parts of titanium dioxides, 2~4 parts of dispersants, 1~2 part of antifoaming agent and 35~40 parts
By water and dispersant, and antifoaming agent is added in water, additive, and modified starch and modified alta-mud after being stirred, obtain base
Material, blank is mixed, and titanium dioxide is added with water-and acrylate lotion, is stirred, obtains water-and acrylate anticorrosive paint.
Step（4）The preparation method of the culture solution is by water and glucose in mass ratio 50：1~55：1 mixing, and add
Enter the peptone of 0.005~0.010 times of water quality, the yeast powder that 0.005~0.010 times of water quality, water quality 0.002~
The citric acid of 0.008 times of 0.001~0.005 times of dibastic sodium phosphate and water quality, is stirred, obtains culture solution.
Step（5）The solid content of the water-and acrylate lotion is 35~45%.
Step（5）The dispersant is Sodium Polyacrylate, any one in dispersant NNO or dispersant 5040.
Step（5）The antifoaming agent is silicone emulsion, polyoxyethylene polyoxypropylene pentaerythrite ether or polyoxyethylene polyoxy
Any one in propyl alcohol amidogen ether.
The beneficial effects of the invention are as follows：
（1）Modified alta-mud and modified starch is added in the present invention in preparation process, first, modified alta-mud small volume, and
It is water-soluble preferable, it can be uniformly distributed in product after being added in product, and the hole in product is filled in after product solidification
In, to make the antiseptic property of product improve, secondly, the cohesive strength of product can be improved in the addition of modified starch, to make production
After use, paint film strength improves product, and corrosion resistance improves, and starch is modified in process, and sodium phytate is grafted on starch,
After being added in product, the sodium phytate on starch can be covered on the fe in modified alta-mud, to which modified starch can cover
It is placed on bentonite surface, the Corrosion Protection of modified alta-mud is made to improve, and then the Corrosion Protection of product is made to improve；
（2）The present invention is preparing addition addition additive, on the one hand, contains bacteria cellulose in additive, in product is added
Afterwards, since bacteria cellulose has hydrophily, bacteria cellulose can be uniformly distributed in product, to make product gather around after hardening
There is higher film-strength, on the other hand, be fixed with graphene oxide in additive inside bacteria cellulose, graphene oxide can be with
Bacteria cellulose is uniformly distributed in product, to which graphene oxide protective layer can be formed in the product after product solidification, into
And the Corrosion Protection of product is made to further increase.
Specific implementation mode
Sodium bentonite was crushed into 200 mesh sieve, obtains refinement sodium bentonite, refinement sodium bentonite and water are pressed into quality
Than 1：50~1：55 are mixed in three-necked flask, are 30~40 DEG C in temperature, under conditions of rotating speed is 200~300r/min, stir
After mixing 20~25h of mixing, the green vitriol of 5~6 times of refinement sodium bentonite quality is added into three-necked flask, and into three-necked flask
It is passed through nitrogen with the rate of 10~20mL/min, after being aerated 5~10min under nitrogen atmosphere, obtains pretreatment bentonite mixtures,
It will pretreatment bentonite mixtures and no oxyethanol in mass ratio 3：1~4：1 mixing, in temperature be 20~30 DEG C, rotating speed 200
Under conditions of~350r/min, after being stirred 15~30min, bentonite mixtures are obtained；By potassium borohydride and mass fraction 0.1
~0.2% sodium hydroxide solution in mass ratio 1：10~1：15 mixing are 25~45 DEG C in temperature, and rotating speed is 200~300r/
The condition of min after being stirred 20~30min, obtains sodium hydroxide mixed liquor, by 0.2~0.4 times of bentonite mixtures quality
Sodium hydroxide mixed liquor instilled in bentonite mixtures with the rate of 2~5mL/min, and in temperature be 30~40 DEG C, rotating speed
Most to sodium hydroxide mixing drop to be stirred under conditions of 500~800r/min, it is 30~40 DEG C to continue at temperature, rotating speed
For 500~800r/min condition be stirred 30~40min after, filtering, filter cake is obtained, by filter cake anaerobic milli-Q water 3
It is~8 times, dry under conditions of being 50~70 DEG C in temperature by the filter cake after washing after being used in combination deoxidation absolute ethyl alcohol to wash 5~8 times
15~40min obtains pretreatment modification bentonite, and pretreatment modification bentonite is crushed, and crosses 200 mesh sieve, obtains modified alta-mud；It will
Starch and water in mass ratio 1：3~1：4 mixing are 30~45 DEG C in temperature, under conditions of rotating speed is 230~300r/min, stir
After mixing 30~45min of mixing, starch milk is obtained, the sodium hydroxide solution for being 5~8% with mass fraction adjusts the pH to 7.0 of starch milk
~7.4, and the sodium phytate of starch milk quality 2.0~2.5% is added into starch milk, in temperature be 55~60 DEG C, rotating speed 200
Under conditions of~300r/min, after being stirred 2~3h, starch mixture is obtained, after starch mixture washing is filtered 3~4 times,
Under conditions of being 60~80 DEG C in temperature after dry 30~50min, modified starch is obtained；In mass ratio by acetobacter xylinum and culture solution
1：20~1：30 are mixed in beaker, and the graphene oxide mixing of 2~3 times of acetobacter xylinum quality is added into beaker
Object, the hydrochloric acid for being 5~8% with mass fraction are adjusted in beaker after material pH to 5.4~6.0, in temperature be 30~35 DEG C, rotating speed
After being stirred 30~45min under conditions of 200~300r/min, and after constant temperature incubation under room temperature 5~8 days, mistake
Filter, obtains filter residue, and dry 20~30min under conditions of being 60~80 DEG C in temperature by filter residue crushes, obtains additive；By weight
Number meter, weighs successively：50~60 parts of water-and acrylate lotions, 12~18 parts of modified alta-muds, 8~14 portions of modified starches, 5~
8 parts of additives, 10~15 parts of titanium dioxides, 2~4 parts of dispersants, 1~2 part of antifoaming agent and 35~40 parts of water, water and dispersant are mixed
Together in blender, and antifoaming agent is added into blender, additive, modified starch and modified alta-mud, in temperature be 35~
55 DEG C, after rotating speed is stirred 30~40min under conditions of being 200~350r/min, blank is obtained, by blank and water soluble acrylic acid
Ester lotion is mixed in batch mixer, and titanium dioxide is added into batch mixer, is 35~45 DEG C in temperature, rotating speed is 300~400r/
After being stirred 30~40min under conditions of min, water-and acrylate anticorrosive paint is obtained.The preparation method of the culture solution is
By water and glucose in mass ratio 50：1~55：1 mixing, and the peptone of 0.005~0.010 times of water quality, water quality is added
0.001~0.005 times of 0.005~0.010 times of yeast powder, the dibastic sodium phosphate that 0.002~0.008 times of water quality and water quality
Citric acid is stirred, and obtains culture solution.The solid content of the water-and acrylate lotion is 35~45%.The dispersant is poly-
Any one in sodium acrylate, dispersant NNO or dispersant 5040.The antifoaming agent is silicone emulsion, polyoxyethylene polyoxy third
Any one in alkene pentaerythrite ether or polyoxyethylene polyoxy propyl alcohol amidogen ether.
Sodium bentonite was crushed into 200 mesh sieve, obtains refinement sodium bentonite, refinement sodium bentonite and water are pressed into quality
Than 1：55 are mixed in three-necked flask, in temperature be 40 DEG C, rotating speed be 300r/min under conditions of, after being stirred 25h, to three
The green vitriol of 6 times of refinement sodium bentonite quality is added in mouth flask, and nitrogen is passed through with the rate of 20mL/min into three-necked flask
Gas obtains pretreatment bentonite mixtures after being aerated 10min under nitrogen atmosphere, by pretreatment bentonite mixtures and anaerobic second
Alcohol in mass ratio 4：1 mixing is 30 DEG C in temperature, under conditions of rotating speed is 350r/min, after being stirred 30min, obtains swelling
Earth mixtures；By the sodium hydroxide solution in mass ratio 1 of potassium borohydride and mass fraction 0.2%：15 mixing, in temperature be 45 DEG C,
Rotating speed is the condition of 300r/min, after being stirred 30min, obtains sodium hydroxide mixed liquor, by 0.4 times of bentonite mixtures quality
Sodium hydroxide mixed liquor instilled in bentonite mixtures with the rate of 5mL/min, and be 40 DEG C in temperature, rotating speed is
It is stirred under conditions of 800r/min to sodium hydroxide mixing drop and is use up, it is 40 DEG C to continue at temperature, rotating speed 800r/min
Condition be stirred 40min after, filtering obtains filter cake, and by filter cake anaerobic milli-Q water 8 times, deoxidation absolute ethyl alcohol is used in combination
After washing 8 times, dry 40min under conditions of being 70 DEG C in temperature by the filter cake after washing obtains pretreatment modification bentonite, will be pre-
It handles modified alta-mud to crush, crosses 200 mesh sieve, obtain modified alta-mud；By starch and water in mass ratio 1：4 mix, and are in temperature
45 DEG C, under conditions of rotating speed is 300r/min, after being stirred 45min, starch milk is obtained, the sodium hydroxide for being 8% with mass fraction
Solution adjusts the pH of starch milk to 7.4, and the sodium phytate of starch milk quality 2.5% is added into starch milk, in temperature be 60 DEG C,
Under conditions of rotating speed is 300r/min, after being stirred 3h, starch mixture is obtained, after starch mixture washing is filtered 4 times, in
Temperature after dry 50min, obtains modified starch under conditions of being 80 DEG C；By acetobacter xylinum and culture solution in mass ratio 1：30 are mixed in
In beaker, and the graphene oxide mixture of 3 times of acetobacter xylinum quality is added in addition into beaker, the salt for being 8% with mass fraction
Acid is adjusted in beaker after material pH to 6.0, in temperature be 35 DEG C, after rotating speed is stirred 45min under conditions of being 300r/min,
And after constant temperature incubation under room temperature 8 days, filtering obtains filter residue, dry 30min under conditions of being 80 DEG C in temperature by filter residue,
It crushes, obtains additive；It counts, weighs successively in parts by weight：60 parts of water-and acrylate lotions, 18 parts of modified alta-muds, 14 parts
Modified starch, 8 parts of additives, 15 parts of titanium dioxides, 4 parts of dispersants, 2 parts of antifoaming agent and 40 parts of water, by water and dispersant in
In blender, and antifoaming agent is added into blender, additive, modified starch and modified alta-mud, in temperature be 55 DEG C, rotating speed
After being stirred 40min under conditions of 350r/min, blank is obtained, blank and water-and acrylate lotion are mixed in batch mixer
In, and titanium dioxide is added into batch mixer, in temperature be 45 DEG C, after rotating speed is stirred 40min under conditions of being 400r/min,
Obtain water-and acrylate anticorrosive paint.The preparation method of the culture solution is by water and glucose in mass ratio 55：1 mixing, and
The peptone of 0.010 times of water quality, the yeast powder that 0.010 times of water quality, the dibastic sodium phosphate and water quality that 0.008 times of water quality is added
The citric acid of 0.005 times of amount, is stirred, obtains culture solution.The solid content of the water-and acrylate lotion is 45%.Described point
Powder is Sodium Polyacrylate.The antifoaming agent is silicone emulsion.
By starch and water in mass ratio 1：4 mixing are 45 DEG C in temperature, and under conditions of rotating speed is 300r/min, stirring is mixed
After closing 45min, starch milk is obtained, the sodium hydroxide solution for being 8% with mass fraction adjusts the pH of starch milk to 7.4, and to starch milk
The middle sodium phytate that starch milk quality 2.5% is added is 60 DEG C in temperature, under conditions of rotating speed is 300r/min, is stirred 3h
Afterwards, starch mixture is obtained, after starch mixture washing is filtered 4 times, under conditions of being 80 DEG C in temperature after dry 50min, is obtained
Modified starch；By acetobacter xylinum and culture solution in mass ratio 1：30 are mixed in beaker, and the wooden vinegar bar is added into beaker
The graphene oxide mixture of 3 times of mycoplasma amount, the hydrochloric acid for being 8% with mass fraction are adjusted in beaker after material pH to 6.0, Yu Wen
Degree is 35 DEG C, after rotating speed is stirred 45min under conditions of being 300r/min, and after constant temperature incubation under room temperature 8 days, mistake
Filter, obtains filter residue, and dry 30min under conditions of being 80 DEG C in temperature by filter residue crushes, obtains additive；It counts in parts by weight, successively
It weighs：60 parts of water-and acrylate lotions, 18 parts of bentonites, 14 portions of modified starches, 8 parts of additives, 15 parts of titanium dioxides, 4 parts points
Powder, 2 parts of antifoaming agent and 40 parts of water by water and dispersant in blender, and antifoaming agent are added into blender, add
Agent, modified starch and bentonite are 55 DEG C in temperature, after rotating speed is stirred 40min under conditions of being 350r/min, obtain base
Blank and water-and acrylate lotion are mixed in batch mixer, and titanium dioxide are added into batch mixer by material, in temperature be 45
DEG C, after rotating speed is stirred 40min under conditions of being 400r/min, obtain water-and acrylate anticorrosive paint.The culture solution
Preparation method is by water and glucose in mass ratio 55：1 mixing, and the peptone of 0.010 times of water quality, water quality is added
0.010 times of yeast powder, the citric acid of 0.005 times of the dibastic sodium phosphate and water quality that 0.008 times of water quality, is stirred, and must train
Nutrient solution.The solid content of the water-and acrylate lotion is 45%.The dispersant is Sodium Polyacrylate.The antifoaming agent is breast
SiClx oil.
Sodium bentonite was crushed into 200 mesh sieve, obtains refinement sodium bentonite, refinement sodium bentonite and water are pressed into quality
Than 1：55 are mixed in three-necked flask, in temperature be 40 DEG C, rotating speed be 300r/min under conditions of, after being stirred 25h, to three
The green vitriol of 6 times of refinement sodium bentonite quality is added in mouth flask, and nitrogen is passed through with the rate of 20mL/min into three-necked flask
Gas obtains pretreatment bentonite mixtures after being aerated 10min under nitrogen atmosphere, by pretreatment bentonite mixtures and anaerobic second
Alcohol in mass ratio 4：1 mixing is 30 DEG C in temperature, under conditions of rotating speed is 350r/min, after being stirred 30min, obtains swelling
Earth mixtures；By the sodium hydroxide solution in mass ratio 1 of potassium borohydride and mass fraction 0.2%：15 mixing, in temperature be 45 DEG C,
Rotating speed is the condition of 300r/min, after being stirred 30min, obtains sodium hydroxide mixed liquor, by 0.4 times of bentonite mixtures quality
Sodium hydroxide mixed liquor instilled in bentonite mixtures with the rate of 5mL/min, and be 40 DEG C in temperature, rotating speed is
It is stirred under conditions of 800r/min to sodium hydroxide mixing drop and is use up, it is 40 DEG C to continue at temperature, rotating speed 800r/min
Condition be stirred 40min after, filtering obtains filter cake, and by filter cake anaerobic milli-Q water 8 times, deoxidation absolute ethyl alcohol is used in combination
After washing 8 times, dry 40min under conditions of being 70 DEG C in temperature by the filter cake after washing obtains pretreatment modification bentonite, will be pre-
It handles modified alta-mud to crush, crosses 200 mesh sieve, obtain modified alta-mud；By acetobacter xylinum and culture solution in mass ratio 1：30 mixing
In beaker, and the graphene oxide mixture of 3 times of acetobacter xylinum quality is added in addition into beaker, is 8% with mass fraction
Hydrochloric acid is adjusted in beaker after material pH to 6.0, is 35 DEG C in temperature, rotating speed is stirred 45min under conditions of being 300r/min
Afterwards, and after constant temperature incubation under room temperature 8 days, filtering obtains filter residue, dry under conditions of being 80 DEG C in temperature by filter residue
30min crushes, obtains additive；It counts, weighs successively in parts by weight：60 parts of water-and acrylate lotions, 18 parts of bentones
Soil, 14 parts of starch, 8 parts of additives, 15 parts of titanium dioxides, 4 parts of dispersants, 2 parts of antifoaming agent and 40 parts of water, by water and dispersant
In blender, and antifoaming agent is added into blender, additive, starch and modified alta-mud are 55 DEG C in temperature, and rotating speed is
After being stirred 40min under conditions of 350r/min, blank is obtained, blank and water-and acrylate lotion are mixed in batch mixer
In, and titanium dioxide is added into batch mixer, in temperature be 45 DEG C, after rotating speed is stirred 40min under conditions of being 400r/min,
Obtain water-and acrylate anticorrosive paint.The preparation method of the culture solution is by water and glucose in mass ratio 55：1 mixing, and
The peptone of 0.010 times of water quality, the yeast powder that 0.010 times of water quality, the dibastic sodium phosphate and water quality that 0.008 times of water quality is added
The citric acid of 0.005 times of amount, is stirred, obtains culture solution.The solid content of the water-and acrylate lotion is 45%.Described point
Powder is Sodium Polyacrylate.The antifoaming agent is silicone emulsion.
Sodium bentonite was crushed into 200 mesh sieve, obtains refinement sodium bentonite, refinement sodium bentonite and water are pressed into quality
Than 1：55 are mixed in three-necked flask, in temperature be 40 DEG C, rotating speed be 300r/min under conditions of, after being stirred 25h, to three
The green vitriol of 6 times of refinement sodium bentonite quality is added in mouth flask, and nitrogen is passed through with the rate of 20mL/min into three-necked flask
Gas obtains pretreatment bentonite mixtures after being aerated 10min under nitrogen atmosphere, by pretreatment bentonite mixtures and anaerobic second
Alcohol in mass ratio 4：1 mixing is 30 DEG C in temperature, under conditions of rotating speed is 350r/min, after being stirred 30min, obtains swelling
Earth mixtures；By the sodium hydroxide solution in mass ratio 1 of potassium borohydride and mass fraction 0.2%：15 mixing, in temperature be 45 DEG C,
Rotating speed is the condition of 300r/min, after being stirred 30min, obtains sodium hydroxide mixed liquor, by 0.4 times of bentonite mixtures quality
Sodium hydroxide mixed liquor instilled in bentonite mixtures with the rate of 5mL/min, and be 40 DEG C in temperature, rotating speed is
It is stirred under conditions of 800r/min to sodium hydroxide mixing drop and is use up, it is 40 DEG C to continue at temperature, rotating speed 800r/min
Condition be stirred 40min after, filtering obtains filter cake, and by filter cake anaerobic milli-Q water 8 times, deoxidation absolute ethyl alcohol is used in combination
After washing 8 times, dry 40min under conditions of being 70 DEG C in temperature by the filter cake after washing obtains pretreatment modification bentonite, will be pre-
It handles modified alta-mud to crush, crosses 200 mesh sieve, obtain modified alta-mud；By starch and water in mass ratio 1：4 mix, and are in temperature
45 DEG C, under conditions of rotating speed is 300r/min, after being stirred 45min, starch milk is obtained, the sodium hydroxide for being 8% with mass fraction
Solution adjusts the pH of starch milk to 7.4, and the sodium phytate of starch milk quality 2.5% is added into starch milk, in temperature be 60 DEG C,
Under conditions of rotating speed is 300r/min, after being stirred 3h, starch mixture is obtained, after starch mixture washing is filtered 4 times, in
Temperature after dry 50min, obtains modified starch under conditions of being 80 DEG C；It counts, weighs successively in parts by weight：60 parts of water soluble acrylic acids
Ester lotion, 18 parts of modified alta-muds, 14 portions of modified starches, 15 parts of titanium dioxides, 4 parts of dispersants, 2 parts of antifoaming agent and 40 parts of water, will
Antifoaming agent is added into blender in blender for water and dispersant, and modified starch and modified alta-mud are in temperature
55 DEG C, after rotating speed is stirred 40min under conditions of being 350r/min, blank is obtained, blank and water-and acrylate lotion are mixed
Together in batch mixer, and titanium dioxide is added into batch mixer, is 45 DEG C in temperature, rotating speed stirs mixed under conditions of being 400r/min
After closing 40min, water-and acrylate anticorrosive paint is obtained.The preparation method of the culture solution be by water and glucose in mass ratio
55：1 mixing, and the peptone of 0.010 times of water quality, the yeast powder that 0.010 times of water quality, the phosphorus that 0.008 times of water quality is added
The citric acid of 0.005 times of sour hydrogen sodium and water quality, is stirred, obtains culture solution.The solid content of the water-and acrylate lotion
It is 45%.The dispersant is Sodium Polyacrylate.The antifoaming agent is silicone emulsion.
Comparative example：The anticorrosive paint of Suzhou Chemical Co., Ltd. production.
1 to 4 gained anticorrosive paint of example and comparative example product are subjected to performance detection, specific detection method is as follows：
Polish tinplate sheet surface and use acetone oil removing, washes of absolute alcohol, then by above-mentioned coating brushing thereon, spontaneous curing
For 24 hours, dry 12h is then placed in 60 DEG C of drying boxes.By coating be separately immersed in 3.5%NaOH solution, 3.5%HCl solution and
In 3.5%NaCl solution, its corrosion resistance is characterized according to coating variation, it is primary per checking for 24 hours；Paint film is detected according to GB/T1732
Impact resistance；Hardness of paint film is detected according to GB/T6739.Specific testing result is as shown in table 1：
Table 1：Performance detection table
| Detection content | Example 1 | Example 2 | Example 3 | Example 4 | Comparative example |
| Impact strength/kgcm | 37 | 29 | 31 | 28 | 22 |
| Pencil hardness | 5H | 4H | 4H | 4H | 3H |
| 3.5%HCl solution | There is rust spot, corrugation in 850h | There is rust spot, corrugation in 520h | There is rust spot, corrugation in 480h | There is rust spot, corrugation in 510h | There is rust spot, corrugation in 240h |
| 3.5%NaOH solution | There is rust spot, corrugation in 700h | There is rust spot, corrugation in 470h | There is rust spot, corrugation in 480h | There is rust spot, corrugation in 460h | There is rust spot, corrugation in 168h |
| 3.5%NaCl solution | There is rust spot, corrugation in 580h | There is rust spot, corrugation in 360h | There is rust spot, corrugation in 390h | There is rust spot, corrugation in 370h | There is rust spot, corrugation in 170h |
By 1 testing result of table it is found that present invention gained water-and acrylate anticorrosive paint has excellent Corrosion Protection and paint
Film-strength.
Claims (5)
1. a kind of preparation method of water-and acrylate anticorrosive paint, which is characterized in that specifically preparation process is：
（1）Sodium bentonite is crushed and is sieved, refinement sodium bentonite is obtained, by refinement sodium bentonite and water in mass ratio 1：50
~1：55 mixing, and the green vitriol of 5~6 times of refinement sodium bentonite quality is added, under nitrogen protection, after being aerated 5~10min,
Bentonite mixtures must be pre-processed, by pretreatment bentonite mixtures and no oxyethanol in mass ratio 3：1~4：1 mixing, obtains swollen
Moisten earth mixtures；
（2）By potassium borohydride and sodium hydroxide solution in mass ratio 1：10~1：15 mixing, obtain sodium hydroxide mixed liquor, by swelling
The sodium hydroxide mixed liquor of 0.2~0.4 times of earth mixtures quality instills in bentonite mixtures, and after being stirred, filtering obtains
Filter cake anaerobic milli-Q water is used in combination deoxidation absolute ethyl alcohol to wash, dry, pulverize by filter cake, is sieved, obtains modified alta-mud；
（3）By starch and water in mass ratio 1：3~1：4 mixing, obtain starch milk, adjust the pH of starch milk to 7.0~7.4, and to
The sodium phytate of starch milk quality 2.0~2.5% is added in starch milk, after being stirred, washing filters, dry, obtains modified starch；
（4）By acetobacter xylinum and culture solution in mass ratio 1：20~1：30 mixing, and the oxygen of 2~3 times of acetobacter xylinum quality is added
Graphite alkene mixture is stirred, and constant temperature incubation after adjusting pH to 5.4~6.0, is filtered, be dry, pulverize, must add
Agent；
（5）It counts, weighs successively in parts by weight：50~60 parts of water-and acrylate lotions, 12~18 parts of modified alta-muds, 8~
14 portions of modified starches, 5~8 parts of additives, 10~15 parts of titanium dioxides, 2~4 parts of dispersants, 1~2 part of antifoaming agent and 35~40 parts
By water and dispersant, and antifoaming agent is added in water, additive, and modified starch and modified alta-mud after being stirred, obtain base
Material, blank is mixed, and titanium dioxide is added with water-and acrylate lotion, is stirred, obtains water-and acrylate anticorrosive paint.
2. a kind of preparation method of water-and acrylate anticorrosive paint according to claim 1, it is characterised in that：Step
（4）The preparation method of the culture solution is by water and glucose in mass ratio 50：1~55：1 mixing, and water quality 0.005 is added
~0.010 times of peptone, the yeast powder that 0.005~0.010 times of water quality, the dibastic sodium phosphate that 0.002~0.008 times of water quality
With 0.001~0.005 times of citric acid of water quality, it is stirred, obtains culture solution.
3. a kind of preparation method of water-and acrylate anticorrosive paint according to claim 1, it is characterised in that：Step
（5）The solid content of the water-and acrylate lotion is 35~45%.
4. a kind of preparation method of water-and acrylate anticorrosive paint according to claim 1, it is characterised in that：Step
（5）The dispersant is Sodium Polyacrylate, any one in dispersant NNO or dispersant 5040.
5. a kind of preparation method of water-and acrylate anticorrosive paint according to claim 1, it is characterised in that：Step
（5）The antifoaming agent is silicone emulsion, is appointed in polyoxyethylene polyoxypropylene pentaerythrite ether or polyoxyethylene polyoxy propyl alcohol amidogen ether
Meaning is a kind of.
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