CN108753054A - A kind of aqueous anticorrosion paint - Google Patents
A kind of aqueous anticorrosion paint Download PDFInfo
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- CN108753054A CN108753054A CN201810692935.9A CN201810692935A CN108753054A CN 108753054 A CN108753054 A CN 108753054A CN 201810692935 A CN201810692935 A CN 201810692935A CN 108753054 A CN108753054 A CN 108753054A
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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
- C09D125/00—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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- 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
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The invention discloses a kind of aqueous anticorrosion paints, belong to anti-corrosion of metal field of material technology.It counts, weighs successively in parts by weight：40~55 parts of waterborne styrene-acrylic emulsions, 8~12 parts of water, 0.3~0.6 part of dispersant, 8~12 parts of fillers, 10~15 portions of preservatives, 2~4 parts of coalescents, 2~4 parts of surfactants, 0.3~0.6 portion of anti-settling agent and 20~25 parts of rust resisting pigments；Waterborne styrene-acrylic emulsion and water are mixed in blender, and filler is added into blender, preservative, dispersant, surfactant, anti-settling agent, rust resisting pigment and coalescents, in temperature be 20~30 DEG C, under conditions of rotating speed is 300~400r/min, after being stirred, aqueous anticorrosion paint is obtained.Aqueous anticorrosion paint prepared by technical solution of the present invention has excellent antiseptic property, and the anti-corrosion time is longer, has a vast market foreground.
Description
Technical field
The invention discloses a kind of aqueous anticorrosion paints, belong to anti-corrosion of metal field of material technology.
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.
The antiseptic principle of general anticorrosive paint is chemical, physically and electrically chemical direction, explains in detail below：
It is neutral innocuous substance that the corrosion-resistant principles of chemistry, which are exactly by the neutralization of harmful acid-base material, to protect in corrosion-inhibiting coating
Material is not encroached on by corrosive substance.Some amphoteric compounds, such as aluminium hydroxide, hydroxide are often added in antirusting paint
Barium and zinc oxide etc., these substances are easy to that chemical action occurs with soda acid nuisance, and realize anti-corrosion effect.Corrosion-resistant physics
Principle is exactly that will be kept apart by protection materials and extraneous corrosive substance with corrosion-inhibiting coating.The physical principle of antirusting paint is exactly
Fine and close corrosion-inhibiting coating is obtained using film forming agent, antisepsis is isolated to by the injury of protection materials, such as leaded painting
Lead soap can be formed after material and oil plant reaction, to ensure the compactness of corrosion-inhibiting coating.Corrosion-resistant electrochemical action refers in antirust
Some special substances are added in coating, formed by reacting when moisture and oxygen are by antirusting paint in this way anti-corrosion from
Son makes the metallic surfaces such as steel be passivated, and to prevent the dissolution of metal ion, reaches corrosion-resistant purpose, this particular matter
In it is most common be exactly chromate.
Traditional anticorrosive paint is based on solvent type, while playing a great role in metal protection, due to containing greatly
Organic volatile is measured, portioned product also contains the hazardous solvents such as benzene class, gylcol ether, to the body of producers and construction personnel
Body injury is larger, to environmental disruption than more serious.
In recent years, water-based anticorrosive paint becomes the research and development hot spot of industrial antisepsis coating.And with novel aqueous
The continuous development of the materials such as resin, novel antirust pigment so that the performance of water-based anticorrosive paint is continuously improved, and has been started
Building decoration, automobile, ship and Production Container, railway locomotive, aerospace, the application of the fields such as traffic bridge.It is current aqueous
The waterborne inorganic einc-rich primer, water-base epoxy coating series, water-borne acrylic coatings, aqueous poly- wide in variety of concentrating on of anticorrosive paint
Urethane coating etc..Wherein, the antiseptic property of water paint can be effectively improved by graphene being added in coating, but due to graphene
Easily reunite, therefore, the graphene water paint for researching and developing polymolecularity has preferable market prospects.
Invention content
The present invention solves the technical problem of：For traditional graphene water-based anticorrosive paint because graphene is easily rolled into a ball
It is poly-, and cause anticorrosive paint antiseptic property bad, the not strong problem of anti-corrosion persistence provides a kind of aqueous anticorrosion paint.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of aqueous anticorrosion paint is made of the raw material of following parts by weight：40~55 parts of waterborne styrene-acrylic emulsions, 8~12 parts of water,
0.3~0.6 part of dispersant, 8~12 parts of fillers, 10~15 portions of preservatives, 2~4 parts of coalescents, 2~4 parts of surfactants,
0.3~0.6 portion of anti-settling agent and 20~25 parts of rust resisting pigments；
The preparation method of the preservative is：
By graphene oxide and tetrahydrofuran in mass ratio 1：400~1：500 mixing, and 1~2 times of graphene oxide quality is added
2~6 times of dicyclohexyl carbon Asia diamines and graphene oxide quality silane coupling agent, after ultrasonic disperse, in nitrogen atmosphere
It is stirred to react, obtains pre- modified graphene oxide, by pre- modified graphene oxide and water in mass ratio 1：200~1：220 mixing, and
The absolute ethyl alcohol of 400~600 times of pre- modified graphene oxide quality is added, 20~30 times of pre- modified graphene oxide quality is just
The ammonium hydroxide of 10~18 times of silester and pre- modified graphene oxide quality after being stirred to react, filters, dry, obtains modified oxidized
Graphene；By modified graphene oxide and water in mass ratio 1：100~1：200 mixing, and modified graphene oxide quality 3 is added
After being stirred, the hydrazine hydrate and modified graphene oxide of 1~2 times of modified graphene oxide quality is added in~4 times of ethanol amine
The polyetherimide that 1~2 times of quality after being stirred, filters, dry, obtains preservative；
The preparation method of the filler is：
By carbon nanotube and mixed acid solution in mass ratio 1：5~1：8 mixing are impregnated, and filtering obtains pretreated filler, pretreatment is filled out
Material and paraffin in mass ratio 1：5~1：6 mixed grindings, obtain filler.
The solid content of the waterborne styrene-acrylic emulsion is 45~65%.
The dispersant is dispersant NNO, any one in Dispersant MF or dispersant 5040.
The coalescents are sodium alginate, any one in Lauryl Alcohol ester or butyl glycol ether.
The surfactant is by neopelex and Silane coupling reagent KH-570 in mass ratio 2：1~3：1
Mixing, obtains surfactant.
The anti-settling agent is meteorological silica, any one in polyamide wax or modified hydrogenated castor oil.
The rust resisting pigment is any one in iron oxide red or aluminium powder.
The silane coupling agent is silane resin acceptor kh-550, in silane coupling agent KH-560 or Silane coupling reagent KH-570
Any one.
The mix acid liquor is by the nitric acid that mass fraction is 60~68% and the sulfuric acid that mass fraction is 70~75% by body
Product ratio 1：3 mixing, obtain mix acid liquor.
The paraffin is the mineral wax mixture that carbon atom number is 20~34.
The beneficial effects of the invention are as follows：
（1）Self-control preservative is added when preparing aqueous anticorrosion paint by the present invention, first, makes by oneself in preservative and connects on the surface of graphene
It is connected to nanometer titanium dioxide silicon ion, to reduce reunion of the graphene after being added in product, and then makes the antiseptic property of product
It improves, secondly, makes by oneself in preservative in graphene oxide reduction process, be grafted ethanol amine and polyetherimide on the surface of graphene
Amine to further increase the dispersibility of graphene in aqueous solution, and then makes the antiseptic property of product further increase；
（2）The filler prepared by carbon nanotube is added when preparing aqueous anticorrosion paint by the present invention, on the one hand, the addition of carbon nanotube
Products can be scattered under the action of surfactant, so as to reduce corrosive medium and product during product use
Contact, and then improve product antiseptic property, on the other hand, filler be added product in after, with carbon nanotube surface layer stone
The dissolving of wax, carbon nanotube exposure, the remaining acid solution in carbon nanotube surface layer can make product system pH reductions, to make in preservative
The ethanol amine and polyetherimide partial exfoliation of graphene surface, graphene are reunited, and due to remaining part polyetherimide
Amine can make graphene that can generate Electrostatic Absorption with the negative electrical charge of carbon nano tube surface with positive charge, in metal base surface
Intensive firm protective film is formed, and then the antiseptic property of product is made to further increase.
Specific implementation mode
By graphene oxide and tetrahydrofuran in mass ratio 1：400~1：500 are mixed in three-necked flask, and are burnt to three mouthfuls
The silane of 2~6 times of dicyclohexyl carbon Asia diamines and graphene oxide quality that 1~2 times of graphene oxide quality is added in bottle is even
Join agent, under conditions of frequency is 45~55kHz after 1~2h of ultrasonic disperse, into three-necked flask with the speed of 10~20mL/min
Rate is passed through nitrogen, is 60~65 DEG C in temperature, under conditions of rotating speed is 300~400r/min, after being stirred to react 20~25h, obtains
Pre- modified graphene oxide, by pre- modified graphene oxide and water in mass ratio 1：200~1：220 are mixed in beaker, and to
The absolute ethyl alcohol of 400~600 times of pre- modified graphene oxide quality, pre- modified graphene oxide quality 20~30 are added in beaker
Times 10~18 times of ethyl orthosilicate and pre- modified graphene oxide quality ammonium hydroxide, in temperature be 25~45 DEG C, rotating speed 300
After being stirred to react 12~14h under conditions of~400r/min, filtering obtains filter cake, the condition for being 60~70 DEG C in temperature by filter cake
After 40~80min of lower drying, modified graphene oxide is obtained；By modified graphene oxide and water in mass ratio 1：100~1：200 is mixed
Together in flask, and the ethanol amine of 3~4 times of modified graphene oxide quality is added into flask, is 45~55 DEG C in temperature, turns
After speed is stirred 60~70min under conditions of being 300~400r/min, then modified graphene oxide quality is added into flask
The polyetherimide of 1~2 times of 1~2 times of hydrazine hydrate and modified graphene oxide quality is 90~95 DEG C in temperature, and rotating speed is
After being stirred 1~2h under conditions of 300~400r/min, filtering, obtain preservative blank, by preservative blank in temperature be 50
Under conditions of~70 DEG C after dry 30~40min, preservative is obtained；By carbon nanotube and mixed acid solution in mass ratio 1：5~1：8 is mixed
It closes, after impregnating 4~5h under room temperature, filtering obtains pretreated filler, by pretreated filler and paraffin in mass ratio 1：5~
1：6 mixing, mixed grinding under conditions of being 30~38 DEG C in temperature, obtain filler；It counts, weighs successively in parts by weight：40~55
Part waterborne styrene-acrylic emulsion, 8~12 parts of water, 0.3~0.6 part of dispersant, 8~12 parts of fillers, 10~15 portions of preservatives, 2~4 parts at
Film auxiliary agent, 2~4 parts of surfactants, 0.3~0.6 portion of anti-settling agent and 20~25 parts of rust resisting pigments；By waterborne styrene-acrylic emulsion and water
It is mixed in blender, and filler is added into blender, preservative, dispersant, surfactant, anti-settling agent, rust resisting pigment
And coalescents, it is 20~30 DEG C in temperature, under conditions of rotating speed is 300~400r/min, after being stirred, obtains water-repellent preservation
Paint.The solid content of the waterborne styrene-acrylic emulsion is 45~65%.The dispersant is dispersant NNO, Dispersant MF or dispersant
Any one in 5040.The coalescents are sodium alginate, any one in Lauryl Alcohol ester or butyl glycol ether.The table
Face activating agent is by neopelex and Silane coupling reagent KH-570 in mass ratio 2：1~3：1 mixing, obtains surface-active
Agent.The anti-settling agent is meteorological silica, any one in polyamide wax or modified hydrogenated castor oil.The rust resisting pigment is
Any one in iron oxide red or aluminium powder.The silane coupling agent be silane resin acceptor kh-550, silane coupling agent KH-560 or
Any one in Silane coupling reagent KH-570.The mix acid liquor be 60~68% by mass fraction nitric acid and mass fraction
For 70~75% sulfuric acid by volume 1：3 mixing, obtain mix acid liquor.The paraffin is that the paraffin that carbon atom number is 20~34 is mixed
Close object.
Example 1
By graphene oxide and tetrahydrofuran in mass ratio 1：500 are mixed in three-necked flask, and oxygen is added into three-necked flask
The silane coupling agent of 6 times of the dicyclohexyl carbon Asia diamines and graphene oxide quality of 2 times of graphite alkene quality is in frequency
Under conditions of 55kHz after ultrasonic disperse 2h, nitrogen is passed through with the rate of 20mL/min into three-necked flask, in temperature be 65 DEG C,
Rotating speed be 400r/min under conditions of, after being stirred to react 25h, obtain pre- modified graphene oxide, by pre- modified graphene oxide with
Water in mass ratio 1：220 are mixed in beaker, and the anhydrous second of 600 times of pre- modified graphene oxide quality is added into beaker
Alcohol, the ammonium hydroxide of 18 times of the ethyl orthosilicate of 30 times of pre- modified graphene oxide quality and pre- modified graphene oxide quality, Yu Wen
Degree is 45 DEG C, and after rotating speed is stirred to react 14h under conditions of being 400r/min, filtering obtains filter cake, by filter cake in temperature be 70 DEG C
Under the conditions of after dry 80min, obtain modified graphene oxide；By modified graphene oxide and water in mass ratio 1：100 are mixed in burning
In bottle, and the ethanol amine of 4 times of modified graphene oxide quality is added into flask, in temperature be 55 DEG C, rotating speed 400r/min
Under conditions of be stirred 70min after, then the hydrazine hydrate of 2 times of modified graphene oxide quality and modified oxidized is added into flask
The polyetherimide that 2 times of graphene quality, in temperature be 95 DEG C, rotating speed be 400r/min under conditions of be stirred 2h after, mistake
Filter, obtains preservative blank, under conditions of being 70 DEG C in temperature by preservative blank after dry 40min, obtains preservative；By carbon nanometer
Pipe and mixed acid solution in mass ratio 1：8 mixing, after impregnating 5h under room temperature, filtering obtains pretreated filler, pretreatment is filled out
Material and paraffin in mass ratio 1：6 mixing, mixed grinding under conditions of being 38 DEG C in temperature, obtain filler；It counts in parts by weight, successively
It weighs：55 parts of waterborne styrene-acrylic emulsions, 12 parts of water, 0.6 part of dispersant, 12 parts of fillers, 15 portions of preservatives, 4 parts of coalescents, 4 parts
Surfactant, 0.6 portion of anti-settling agent and 25 parts of rust resisting pigments；Waterborne styrene-acrylic emulsion and water are mixed in blender, and to stirring
Mix and filler be added in machine, preservative, dispersant, surfactant, anti-settling agent, rust resisting pigment and coalescents, in temperature be 30
DEG C, under conditions of rotating speed is 400r/min, after being stirred, obtain aqueous anticorrosion paint.The solid content of the waterborne styrene-acrylic emulsion is
65%.The dispersant is dispersant NNO.The coalescents are Lauryl Alcohol ester.The surfactant is by dodecyl
Benzene sulfonic acid sodium salt and Silane coupling reagent KH-570 in mass ratio 3：1 mixing, obtains surfactant.The anti-settling agent is meteorological titanium dioxide
Silicon.The rust resisting pigment is iron oxide red.The silane coupling agent is Silane coupling reagent KH-570.The mix acid liquor is by matter
Measure sulfuric acid that nitric acid and mass fraction that score is 68% are 75% by volume 1：3 mixing, obtain mix acid liquor.The paraffin is carbon
The mineral wax mixture that atomicity is 24~30.
Example 2
By carbon nanotube and mixed acid solution in mass ratio 1：8 mixing, after impregnating 5h under room temperature, filtering obtains pretreatment and fills out
Material, by pretreated filler and paraffin in mass ratio 1：6 mixing, mixed grinding under conditions of being 38 DEG C in temperature, obtain filler；By weight
Number meter is measured, is weighed successively：55 parts of waterborne styrene-acrylic emulsions, 12 parts of water, 0.6 part of dispersant, 12 parts of fillers, 15 parts of graphenes, 4 parts
Coalescents, 4 parts of surfactants, 0.6 portion of anti-settling agent and 25 parts of rust resisting pigments；Waterborne styrene-acrylic emulsion and water are mixed in stirring
In machine, and filler is added into blender, graphene, dispersant, surfactant, anti-settling agent, rust resisting pigment and coalescents,
It is 30 DEG C in temperature, under conditions of rotating speed is 400r/min, after being stirred, obtains aqueous anticorrosion paint.The waterborne styrene-acrylic emulsion
Solid content be 65%.The dispersant is dispersant NNO.The coalescents are Lauryl Alcohol ester.The surfactant is
By neopelex and Silane coupling reagent KH-570 in mass ratio 3：1 mixing, obtains surfactant.The anti-settling agent is
Meteorological silica.The rust resisting pigment is iron oxide red.The mix acid liquor be by mass fraction be 68% nitric acid and quality
The sulfuric acid by volume 1 that score is 75%：3 mixing, obtain mix acid liquor.The paraffin is that the paraffin that carbon atom number is 24~30 is mixed
Close object.
Example 3
By graphene oxide and tetrahydrofuran in mass ratio 1：500 are mixed in three-necked flask, and oxygen is added into three-necked flask
The silane coupling agent of 6 times of the dicyclohexyl carbon Asia diamines and graphene oxide quality of 2 times of graphite alkene quality is in frequency
Under conditions of 55kHz after ultrasonic disperse 2h, nitrogen is passed through with the rate of 20mL/min into three-necked flask, in temperature be 65 DEG C,
Rotating speed be 400r/min under conditions of, after being stirred to react 25h, obtain pre- modified graphene oxide, by pre- modified graphene oxide with
Water in mass ratio 1：220 are mixed in beaker, and the anhydrous second of 600 times of pre- modified graphene oxide quality is added into beaker
Alcohol, the ammonium hydroxide of 18 times of the ethyl orthosilicate of 30 times of pre- modified graphene oxide quality and pre- modified graphene oxide quality, Yu Wen
Degree is 45 DEG C, and after rotating speed is stirred to react 14h under conditions of being 400r/min, filtering obtains filter cake, by filter cake in temperature be 70 DEG C
Under the conditions of after dry 80min, obtain modified graphene oxide；By modified graphene oxide and water in mass ratio 1：100 are mixed in burning
In bottle, and the ethanol amine of 4 times of modified graphene oxide quality is added into flask, in temperature be 55 DEG C, rotating speed 400r/min
Under conditions of be stirred 70min after, then the hydrazine hydrate of 2 times of modified graphene oxide quality and modified oxidized is added into flask
The polyetherimide that 2 times of graphene quality, in temperature be 95 DEG C, rotating speed be 400r/min under conditions of be stirred 2h after, mistake
Filter, obtains preservative blank, under conditions of being 70 DEG C in temperature by preservative blank after dry 40min, obtains preservative；By carbon nanometer
Pipe and mixed acid solution in mass ratio 1：8 mixing, after impregnating 5h under room temperature, filtering obtains filler, counts in parts by weight, according to
It is secondary to weigh：55 parts of waterborne styrene-acrylic emulsions, 12 parts of water, 0.6 part of dispersant, 12 parts of fillers, 15 portions of preservatives, 4 parts of coalescents, 4
Part surfactant, 0.6 portion of anti-settling agent and 25 parts of rust resisting pigments；Waterborne styrene-acrylic emulsion and water are mixed in blender, and to
Filler, preservative, dispersant, surfactant, anti-settling agent, rust resisting pigment and coalescents are added in blender, are in temperature
30 DEG C, under conditions of rotating speed is 400r/min, after being stirred, obtain aqueous anticorrosion paint.The solid content of the waterborne styrene-acrylic emulsion
It is 65%.The dispersant is dispersant NNO.The coalescents are Lauryl Alcohol ester.The surfactant is by dodecane
Base benzene sulfonic acid sodium salt and Silane coupling reagent KH-570 in mass ratio 3：1 mixing, obtains surfactant.The anti-settling agent is meteorological dioxy
SiClx.The rust resisting pigment is iron oxide red.The silane coupling agent is Silane coupling reagent KH-570.The mix acid liquor is will
The sulfuric acid that nitric acid that mass fraction is 68% is 75% with mass fraction by volume 1：3 mixing, obtain mix acid liquor.
Example 4
By graphene oxide and water in mass ratio 1：100 are mixed in flask, and 4 times of graphene oxide quality is added into flask
Ethanol amine, be 55 DEG C in temperature, after rotating speed is stirred 70min under conditions of being 400r/min, then oxygen be added into flask
The polyetherimide of 2 times of the hydrazine hydrate and graphene oxide quality of 2 times of graphite alkene quality is 95 DEG C in temperature, and rotating speed is
After being stirred 2h under conditions of 400r/min, filtering obtains preservative blank, the condition for being 70 DEG C in temperature by preservative blank
After lower dry 40min, preservative is obtained；By carbon nanotube and mixed acid solution in mass ratio 1：8 mixing, in impregnating 5h under room temperature
Afterwards, it filters, pretreated filler is obtained, by pretreated filler and paraffin in mass ratio 1：6 mixing mix under conditions of being 38 DEG C in temperature
Grinding is closed, filler is obtained；It counts, weighs successively in parts by weight：55 parts of waterborne styrene-acrylic emulsions, 12 parts of water, 0.6 part of dispersant, 12 parts
Filler, 15 portions of preservatives, 4 parts of coalescents, 4 parts of surfactants, 0.6 portion of anti-settling agent and 25 parts of rust resisting pigments；By aqueous benzene
Acrylic emulsion is mixed in water in blender, and filler is added into blender, preservative, dispersant, and surfactant is anti-settling
Agent, rust resisting pigment and coalescents are 30 DEG C in temperature, under conditions of rotating speed is 400r/min, after being stirred, obtain aqueous anti-
Corruption paint.The solid content of the waterborne styrene-acrylic emulsion is 65%.The dispersant is dispersant NNO.The coalescents are 12 carbon
Alcohol ester.The surfactant is by neopelex and Silane coupling reagent KH-570 in mass ratio 3：1 mixing, obtains table
Face activating agent.The anti-settling agent is meteorological silica.The rust resisting pigment is iron oxide red.The mix acid liquor is by quality
The sulfuric acid that nitric acid that score is 68% is 75% with mass fraction by volume 1：3 mixing, obtain mix acid liquor.The paraffin is that carbon is former
The mineral wax mixture that subnumber is 24~30.
Comparative example：The anticorrosive paint of Beijing Chemical Co., Ltd. production.
1 to 4 gained anti-decaying paint of example and comparative example product are subjected to performance detection, specific detection method is as follows：
1 to 4 gained anti-decaying paint of example and comparative example product will be coated on 80mm × 90mm × 2mm with the coating thickness of 0.2mm
Metallic plate on, metallic plate is soaked in the sodium chloride solution of a concentration of 0.1moL/L, when there is corrosion in record model when
Between.
Specific testing result is as shown in table 1：
1 aqueous anticorrosion paint performance test results of table
By 1 testing result of table it is found that aqueous anticorrosion paint prepared by technical solution of the present invention has excellent antiseptic property, and anti-corrosion
Time is longer, has a vast market foreground.
Claims (10)
1. a kind of aqueous anticorrosion paint is made of the raw material of following parts by weight：40~55 parts of waterborne styrene-acrylic emulsions, 8~12 parts
Water, 0.3~0.6 part of dispersant, 8~12 parts of fillers, 10~15 portions of preservatives, 2~4 parts of coalescents, 2~4 parts of surface-actives
Agent, 0.3~0.6 portion of anti-settling agent and 20~25 parts of rust resisting pigments；
It is characterized in that：
The preparation method of the preservative is：
By graphene oxide and tetrahydrofuran in mass ratio 1：400~1：500 mixing, and 1~2 times of graphene oxide quality is added
2~6 times of dicyclohexyl carbon Asia diamines and graphene oxide quality silane coupling agent, after ultrasonic disperse, in nitrogen atmosphere
It is stirred to react, obtains pre- modified graphene oxide, by pre- modified graphene oxide and water in mass ratio 1：200~1：220 mixing, and
The absolute ethyl alcohol of 400~600 times of pre- modified graphene oxide quality is added, 20~30 times of pre- modified graphene oxide quality is just
The ammonium hydroxide of 10~18 times of silester and pre- modified graphene oxide quality after being stirred to react, filters, dry, obtains modified oxidized
Graphene；By modified graphene oxide and water in mass ratio 1：100~1：200 mixing, and modified graphene oxide quality 3 is added
After being stirred, the hydrazine hydrate and modified graphene oxide of 1~2 times of modified graphene oxide quality is added in~4 times of ethanol amine
The polyetherimide that 1~2 times of quality after being stirred, filters, dry, obtains preservative；
The preparation method of the filler is：
By carbon nanotube and mixed acid solution in mass ratio 1：5~1：8 mixing are impregnated, and filtering obtains pretreated filler, pretreatment is filled out
Material and paraffin in mass ratio 1：5~1：6 mixed grindings, obtain filler.
2. a kind of aqueous anticorrosion paint according to claim 1, it is characterised in that：The solid content of the waterborne styrene-acrylic emulsion is
45~65%.
3. a kind of aqueous anticorrosion paint according to claim 1, it is characterised in that：The dispersant is dispersant NNO, dispersion
Any one in agent MF or dispersant 5040.
4. a kind of aqueous anticorrosion paint according to claim 1, it is characterised in that：The coalescents be sodium alginate, ten
Any one in two carbon alcohol esters or butyl glycol ether.
5. a kind of aqueous anticorrosion paint according to claim 1, it is characterised in that：The surfactant is by dodecyl
Benzene sulfonic acid sodium salt and Silane coupling reagent KH-570 in mass ratio 2：1~3：1 mixing, obtains surfactant.
6. a kind of aqueous anticorrosion paint according to claim 1, it is characterised in that：The anti-settling agent is meteorological silica,
Any one in polyamide wax or modified hydrogenated castor oil.
7. a kind of aqueous anticorrosion paint according to claim 1, it is characterised in that：The rust resisting pigment is iron oxide red or aluminium
Any one in powder.
8. a kind of aqueous anticorrosion paint according to claim 1, it is characterised in that：The silane coupling agent is silane coupling agent
Any one in KH-550, silane coupling agent KH-560 or Silane coupling reagent KH-570.
9. a kind of aqueous anticorrosion paint according to claim 1, it is characterised in that：The mix acid liquor is to be by mass fraction
The sulfuric acid that 60~68% nitric acid is 70~75% with mass fraction by volume 1：3 mixing, obtain mix acid liquor.
10. a kind of aqueous anticorrosion paint according to claim 1, it is characterised in that：The paraffin be carbon atom number be 20~
34 mineral wax mixture.
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| CN201810692935.9A CN108753054A (en) | 2018-06-29 | 2018-06-29 | A kind of aqueous anticorrosion paint |
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Application publication date: 20181106 |