CN108300111A - A kind of water paint and preparation method thereof - Google Patents
A kind of water paint and preparation method thereof Download PDFInfo
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- CN108300111A CN108300111A CN201610676732.1A CN201610676732A CN108300111A CN 108300111 A CN108300111 A CN 108300111A CN 201610676732 A CN201610676732 A CN 201610676732A CN 108300111 A CN108300111 A CN 108300111A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- 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
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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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
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
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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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- 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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- Engineering & Computer Science (AREA)
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- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of water paints and preparation method thereof, it is made of component A and B component, wherein, by mass fraction, component A includes 100 parts of water-base resins, 3~5 parts of diluents, 1.5~3 parts of dispersants, 3~5 parts of antifoaming agent, 3~5 portions of anti-settling agents, 3~5 parts of levelling agents and 15~45 parts of modified metal nanoparticles, and B component includes 1~5 part of the corresponding curing agent of the water-base resin.Water paint provided by the invention, by the way that the dispersibility that surfaces of metal nanoparticles is modified and improvement is in water-base resin is prepared.The water paint of the present invention has good infrared stealth performance.
Description
Technical field
The present invention relates to field of compound material, in particular to a kind of water paint with infrared stealth function and
Preparation method.
Background technology
Warship, tank, the guided missile of the fighter plane, movement that fly in modern war reprint launch installation etc., are equipped with big work(
The power source of rate, the heat dissipation of itself and air frictional heat, and form thermal infrared radiation source, it is easy to by infrared detection system
Capture, in order to ensure that the safety existence of military target and weaponry is coated in target appearance and protected to hiding safeguard measure
Stealthy film is simple and practicable and effective method.
With the development of society, water paint is due to environmental-friendly, safe, energy saving and the advantages such as facilitate to become development
Trend, in military field, aqueous infrared stealth coating receives favor.
The primary solvent of infrared stealth coating has high volatile organic compounds (VOC) at present, but this infrared
Invisible coating pollutes environment, and larger to human injury.
Invention content
For the problems in the relevant technologies, a kind of water paint of present invention proposition and preparation method thereof, to provide one kind more
The water paint with good infrared stealth performance of environmental protection.
According to an aspect of the invention, there is provided a kind of water paint, is made of component A and B component, wherein press matter
Measure number, component A include 100 parts of water-base resins, 3~5 parts of diluents, 1.5~3 parts of dispersants, 3~5 parts of antifoaming agent, 3~5 parts
Anti-settling agent, 3~5 parts of levelling agents and 15~45 parts of modified metal nanoparticles, B component include 1~5 part of water-base resin pair
The curing agent answered.
In above-mentioned water paint, water-base resin include epoxy resin, amino resins, phenolic resin, polyurethane resin with
And one or more combinations in acrylic resin.
In above-mentioned water paint, metal nanoparticle include one kind in nanometer aluminium powder, nano titanium powder, nano-silver powder or
Multiple combinations.
In above-mentioned water paint, dispersant includes in triethyl group hexyl phosphoric acid, methyl anyl alcohol, lauryl sodium sulfate
One or more combinations.
In above-mentioned water paint, diluent includes one or more groups in acetone, dimethylbenzene, methyl ethyl ketone, n-butanol
It closes.
In above-mentioned water paint, antifoaming agent is polyoxyethylene polyoxy propyl alcohol amidogen ether.
In above-mentioned water paint, anti-settling agent is titanate coupling agent.
In above-mentioned water paint, levelling agent is dimethyl silicone polymer.
According to an aspect of the present invention, a kind of method preparing above-mentioned water paint is additionally provided, including：Metal is received
Rice corpuscles is modified, and modified metal nanoparticle is made；Water-base resin and modified metal nanoparticle are uniformly dispersed,
It then sequentially adds levelling agent, diluent, antifoaming agent, dispersant and anti-settling agent to stir evenly, obtains component A；In use, by A
Component and the corresponding curing agent of water-base resin are mixed, and water paint is made.
In the above-mentioned methods, the step of being modified to metal nanoparticle include：By silane coupling agent be dissolved in ethyl alcohol and
In the mixed solution of water, solution is modulated into faintly acid with glacial acetic acid, hydrolysis a period of time is stood, obtains hydrolyzed silane solution；By metal
Nano-particle is added in ethanol/water decentralized medium, is ultrasonically treated, and supernatant is poured out after standing, and ethanol/water dispersion is then added and is situated between
Matter and hydrolyzed silane solution, stir evenly, and react in a heated condition；It filters, washs after reaction, after dry, be made and change
The metal nanoparticle of property.
In the above-mentioned methods, in the mixed solution of second alcohol and water and ethanol/water decentralized medium, the volume of second alcohol and water
Than being 1:1.
In the above-mentioned methods, it is ultrasonically treated and implements 20~40min under conditions of 20~30 DEG C and 30~40kHz.
In the above-mentioned methods, the volume fraction of hydrolyzed silane solution is 1%-3%.
In the above-mentioned methods, it is stirred at 70~90 DEG C, the reaction time is 1~3 hour in a heated condition.
In the above-mentioned methods, in the condition that rate of dispersion is 400~600r/min and jitter time is 20~40 minutes
It is lower to implement water-base resin and the modified finely dispersed operation of metal nanoparticle.
In the above-mentioned methods, it is uniformly stirred during levelling agent, diluent, antifoaming agent, dispersant and anti-settling agent is added
It mixes, wherein rotating speed is 600~800r/min, and mixing time is 1~3h.
Water paint provided by the invention, by modified and improve in water-base resin to surfaces of metal nanoparticles
Dispersibility is prepared.The water paint of the present invention has good infrared stealth performance, the primary solvent used in preparation
For water and ethyl alcohol, obtained water paint dispersibility is high, can be in normal temperature storage, and environmental protection, small to human injury in use,
And work progress is simple, can also construct in a humid environment, can be applied to the military affairs such as aerospace, weaponry, warship
Field.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the flow chart of the method according to the ... of the embodiment of the present invention for being used to prepare water paint.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belong to what the present invention protected
Range.
Water paint provided by the invention, is made of component A and B component, wherein presses mass fraction, component A includes 100
Part water-base resin, 3~5 parts of diluents, 1.5~3 parts of dispersants, 3~5 parts of antifoaming agent, 3~5 portions of anti-settling agents, 3~5 parts of levelling agents
And 15~45 parts of metal nanoparticles, B component include 1~5 part of the corresponding curing agent of water-base resin.In the preferred of the present invention
In embodiment, water-base resin includes in epoxy resin, amino resins, phenolic resin, polyurethane resin and acrylic resin
One or more combinations.Metal nanoparticle includes one or more combinations in nanometer aluminium powder, nano titanium powder, nano-silver powder.
Dispersant is one or more combinations in triethyl group hexyl phosphoric acid, methyl anyl alcohol, lauryl sodium sulfate.Diluent includes third
One or more combinations in ketone, dimethylbenzene, methyl ethyl ketone, n-butanol.Antifoaming agent is polyoxyethylene polyoxy propyl alcohol amidogen ether.Anti-settling agent
For titanate coupling agent.Levelling agent is dimethyl silicone polymer.The corresponding curing agent of water-base resin in B component selects this field
The common curing agent of personnel, for example, when water-base resin is epoxy resin, curing agent can be selected acid class curing agent, ethylenediamine,
Hexamethylene diamine, diethylenetriamine etc. or other suitable curing agent.
The method for preparing water paint
As shown in the step S101 of Fig. 1, metal nanoparticle is modified, modified metal nanoparticle is made.
In the step, silane coupling agent (KH-550 or KH-560 or KH-570) is dissolved in the second alcohol and water (volume ratio 1 of formula ratio:
1) in mixed solution, solution is modulated into faintly acid with glacial acetic acid, stands hydrolysis a period of time, it is 1%-3% to obtain volume fraction
Hydrolyzed silane solution；Ethanol/water decentralized medium (volume ratio 1 is added in metal nanoparticle:1) in, (preferably at 20~30 DEG C
Be 25 DEG C) and 30~40kHz (preferably 35kHz) under conditions of be ultrasonically treated 20~40min, pour out supernatant after standing
Afterwards, ethanol/water decentralized medium is added again and hydrolyzed silane solution is added, stirs evenly, is inverted in three-necked flask, 70~90
DEG C, it is preferably stirred under the conditions of 80 DEG C, it is made to react under stirring conditions 1~3 hour；It filters after reaction,
After dry, modified metal nanoparticle is made in washing.Metal nanoparticle includes nanometer aluminium powder, nano titanium powder, nano-silver powder
In one or more combinations.
As shown in the step S103 of Fig. 1, water-base resin and modified metal nanoparticle are uniformly dispersed, then added successively
Enter levelling agent, diluent, antifoaming agent, dispersant and anti-settling agent to stir evenly, obtains component A.In this step, in rate of dispersion
For 400~600r/min, under conditions of preferably 500r/min, disperses 20~40 minutes, make water-base resin and modified metal
Nano-particle is uniformly dispersed.And in a preferred embodiment, levelling agent, diluent, antifoaming agent, dispersant and anti-settling agent is being added
Uniform stirring in the process, wherein adjustment rotating speed is 600~800r/min, and preferably 700r/min, mixing time is 1~3h, is obtained
To component A.Wherein, water-base resin includes epoxy resin, amino resins, phenolic resin, polyurethane resin and acrylic resin
In one or more combinations.Dispersant include one kind in triethyl group hexyl phosphoric acid, methyl anyl alcohol, lauryl sodium sulfate or
Multiple combinations.Diluent includes one or more combinations in acetone, dimethylbenzene, methyl ethyl ketone, n-butanol.Antifoaming agent is polyoxy second
Alkene polyoxy propyl alcohol amidogen ether.Anti-settling agent is titanate coupling agent.Levelling agent is dimethyl silicone polymer.Obtained component A includes
100 parts of water-base resins, 3~5 parts of diluents, 1.5~3 parts of dispersants, 3~5 parts of antifoaming agent, 3~5 portions of anti-settling agents, 3~5 parts of streams
Flat agent and 15~45 parts of metal nanoparticles
As shown in the step S105 of Fig. 1, in use, component A and the corresponding curing agent of water-base resin are mixed, it is made
Water paint.In this step, rate of dispersion is 400~600r/min, preferably 500r/min, disperses 4~6min, wherein
In step, the mass fraction of the corresponding curing agent of water-base resin is 1~5 part.When water-base resin is epoxy resin, correspond to
Curing agent one or more of acid class curing agent, ethylenediamine, hexamethylene diamine, diethylenetriamine can be selected.In other realities
It applies in example, naturally it is also possible to select other suitable curing agent, not limit herein.
Water paint provided by the invention, by modified and improve in water-base resin to surfaces of metal nanoparticles
Dispersibility is prepared.The water paint of the present invention has good infrared stealth performance, the primary solvent used in preparation
For water and ethyl alcohol, obtained water paint dispersibility is high, can be in normal temperature storage, and environmental protection, small to human injury in use,
And work progress is simple, can also construct in a humid environment, can be applied to the military affairs such as aerospace, weaponry, warship
Field.
Embodiment 1
Silane coupling agent (KH-550) is dissolved in the second alcohol and water (volume ratio 1 of formula ratio:1) it in mixed solution, uses
Solution is modulated faintly acid by glacial acetic acid, stands hydrolysis a period of time, obtains the hydrolyzed silane solution that volume fraction is 1%；By nano aluminum
Ethanol/water decentralized medium (volume ratio 1 is added in powder:1) in, it is ultrasonically treated 30min under conditions of 25 DEG C and 35kHz, it is quiet
It postpones after pouring out supernatant, ethanol/water decentralized medium is added again and hydrolyzed silane solution is added, stir evenly, be inverted three mouthfuls
In flask, it is set to react under stirring conditions 2 hours under the conditions of 80 DEG C；It filters, washs after reaction, after dry, system
Obtain modified nanometer aluminium powder.
By 100 parts of epoxy resin and 45 parts of modified nanometer aluminium powders, under conditions of rate of dispersion is 500r/min, dispersion
30 minutes, it is made to be uniformly dispersed, then sequentially adds 5 parts of levelling agents, 5 parts of diluents, 5 parts of antifoaming agent, 3 parts of dispersants and 5 parts
Anti-settling agent stirs 2h, is uniformly mixing to obtain component A under conditions of rotating speed is 700r/min.Wherein, dispersant is triethyl group
Hexyl phosphoric acid.Diluent is acetone.Antifoaming agent is polyoxyethylene polyoxy propyl alcohol amidogen ether.Anti-settling agent is titanate coupling agent.Levelling
Agent is dimethyl silicone polymer.
In use, by the curing agent hexamethylene diamine of component A and 5 parts of epoxy resin, for 600r/min and divide in rate of dispersion
The time is dissipated to be mixed under conditions of 4min, and water paint is made.B component is the curing agent hexamethylene diamine of epoxy resin.
Embodiment 2
Silane coupling agent (KH-560) is dissolved in the second alcohol and water (volume ratio 1 of formula ratio:1) it in mixed solution, uses
Solution is modulated faintly acid by glacial acetic acid, stands hydrolysis a period of time, obtains the hydrolyzed silane solution that volume fraction is 3%；By nano-titanium
Ethanol/water decentralized medium (volume ratio 1 is added in powder:1) in, it is ultrasonically treated 40min under conditions of 20 DEG C and 30kHz, it is quiet
It postpones after pouring out supernatant, ethanol/water decentralized medium is added again and hydrolyzed silane solution is added, stir evenly, be inverted three mouthfuls
In flask, it is set to react under stirring conditions 3 hours under the conditions of 70 DEG C；It filters, washs after reaction, after dry, system
Obtain modified nano titanium powder.
By 100 parts of amino resins and 15 parts of modified nano titanium powders, under conditions of rate of dispersion is 600r/min, dispersion
20 minutes, it is made to be uniformly dispersed, then sequentially adds 3 parts of levelling agents, 3 parts of diluents, 3 parts of antifoaming agent, 1.5 parts of dispersants and 3
Part anti-settling agent stirs 3h, is uniformly mixing to obtain component A under conditions of rotating speed is 600r/min.Wherein, dispersant is 12
Sodium alkyl sulfate.Diluent is n-butanol.Antifoaming agent is polyoxyethylene polyoxy propyl alcohol amidogen ether.Anti-settling agent is titanate coupling agent.
Levelling agent is dimethyl silicone polymer.
In use, by component A and the corresponding curing agent of 4 parts of amino resins, for 400r/min and divide in rate of dispersion
The time is dissipated under conditions of 6min, to be mixed, and water paint is made.
Embodiment 3
Silane coupling agent (KH-570) is dissolved in the second alcohol and water (volume ratio 1 of formula ratio:1) it in mixed solution, uses
Solution is modulated faintly acid by glacial acetic acid, stands hydrolysis a period of time, obtains the hydrolyzed silane solution that volume fraction is 2%；By nano silver
Ethanol/water decentralized medium (volume ratio 1 is added in powder:1) in, it is ultrasonically treated 20min under conditions of 30 DEG C and 40kHz, it is quiet
It postpones after pouring out supernatant, ethanol/water decentralized medium is added again and hydrolyzed silane solution is added, stir evenly, be inverted three mouthfuls
In flask, it is set to react under stirring conditions 1 hour under the conditions of 90 DEG C；It filters, washs after reaction, after dry, system
Obtain modified nano-silver powder.
By 100 parts of phenolic resin and 30 parts of modified nano-silver powders, under conditions of rate of dispersion is 400r/min, dispersion
40 minutes, it is made to be uniformly dispersed, then sequentially adds 4 parts of levelling agents, 4 parts of diluents, 4 parts of antifoaming agent, 2 parts of dispersants and 4 parts
Anti-settling agent stirs 1h, is uniformly mixing to obtain component A under conditions of rotating speed is 800r/min.Wherein, dispersant is methylpent
Alcohol.Diluent is methyl ethyl ketone.Antifoaming agent is polyoxyethylene polyoxy propyl alcohol amidogen ether.Anti-settling agent is titanate coupling agent.Levelling agent is
Dimethyl silicone polymer.
In use, by component A and the corresponding curing agent of 1 part of phenolic resin, for 500r/min and divide in rate of dispersion
The time is dissipated under conditions of 5min, to be mixed, and water paint is made.
Embodiment 4
Silane coupling agent (KH-570) is dissolved in the second alcohol and water (volume ratio 1 of formula ratio:1) it in mixed solution, uses
Solution is modulated faintly acid by glacial acetic acid, stands hydrolysis a period of time, obtains the hydrolyzed silane solution that volume fraction is 1%；By nano silver
Ethanol/water decentralized medium (volume ratio 1 is added in powder:1) in, it is ultrasonically treated 20min under conditions of 30 DEG C and 40kHz, it is quiet
It postpones after pouring out supernatant, ethanol/water decentralized medium is added again and hydrolyzed silane solution is added, stir evenly, be inverted three mouthfuls
In flask, it is set to react under stirring conditions 1 hour under the conditions of 90 DEG C；It filters, washs after reaction, after dry, system
Obtain modified nano-silver powder.
By 100 parts of phenolic resin and 30 parts of modified nano-silver powders, under conditions of rate of dispersion is 400r/min, point
It dissipates 40 minutes, so that it is uniformly dispersed, then sequentially add 4 parts of levelling agents, 4 parts of diluents, 4 parts of antifoaming agent, 2 parts of dispersants and 4
Part anti-settling agent stirs 1h, is uniformly mixing to obtain component A under conditions of rotating speed is 800r/min.Wherein, dispersant is arbitrary
The triethyl group hexyl phosphoric acid of ratio and the mixture of methyl anyl alcohol.Diluent is methyl ethyl ketone and the dimethylbenzene mixing of arbitrary proportion
Object.Antifoaming agent is polyoxyethylene polyoxy propyl alcohol amidogen ether.Anti-settling agent is titanate coupling agent.Levelling agent is dimethyl silicone polymer.
In use, by component A and the corresponding curing agent of 1 part of phenolic resin, for 500r/min and divide in rate of dispersion
The time is dissipated under conditions of 5min, to be mixed, and water paint is made.
Embodiment 5
Silane coupling agent (KH-560) is dissolved in the second alcohol and water (volume ratio 1 of formula ratio:1) it in mixed solution, uses
Solution is modulated faintly acid by glacial acetic acid, stands hydrolysis a period of time, obtains the hydrolyzed silane solution that volume fraction is 1%；By nano silver
Ethanol/water decentralized medium (volume ratio 1 is added in powder:1) in, it is ultrasonically treated 30min under conditions of 30 DEG C and 40kHz, it is quiet
It postpones after pouring out supernatant, ethanol/water decentralized medium is added again and hydrolyzed silane solution is added, stir evenly, be inverted three mouthfuls
In flask, it is set to react under stirring conditions 1 hour under the conditions of 90 DEG C；It filters, washs after reaction, after dry, system
Obtain modified nano-silver powder.
By 100 parts of phenolic resin and 25 parts of modified nano-silver powders, under conditions of rate of dispersion is 400r/min, point
It dissipates 40 minutes, so that it is uniformly dispersed, then sequentially add 4 parts of levelling agents, 4 parts of diluents, 4 parts of antifoaming agent, 2 parts of dispersants and 4
Part anti-settling agent stirs 2h, is uniformly mixing to obtain component A under conditions of rotating speed is 700r/min.Wherein, dispersant is arbitrary
The triethyl group hexyl phosphoric acid of ratio and the mixture of methyl anyl alcohol.Diluent is methyl ethyl ketone.Antifoaming agent is polyoxyethylene polyoxy third
Alcohol amidogen ether.Anti-settling agent is titanate coupling agent.Levelling agent is dimethyl silicone polymer.
In use, by component A and the corresponding curing agent of 1 part of phenolic resin, for 500r/min and divide in rate of dispersion
It under conditions of dissipating time 5min, is mixed, water paint is made.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (16)
1. a kind of water paint, which is characterized in that be made of component A and B component, wherein press mass fraction, component A includes 100
Part water-base resin, 3~5 parts of diluents, 1.5~3 parts of dispersants, 3~5 parts of antifoaming agent, 3~5 portions of anti-settling agents, 3~5 parts of levelling agents
And 15~45 parts of modified metal nanoparticles, B component include 1~5 part of the corresponding curing agent of the water-base resin.
2. water paint according to claim 1, which is characterized in that the water-base resin includes epoxy resin, amino tree
One or more combinations in fat, phenolic resin, polyurethane resin and acrylic resin.
3. water paint according to claim 1, which is characterized in that the metal nanoparticle of the modification includes nano aluminum
One or more combinations in powder, nano titanium powder, nano-silver powder.
4. water paint according to claim 1, which is characterized in that the dispersant includes triethyl group hexyl phosphoric acid, first
One or more combinations in base amylalcohol, lauryl sodium sulfate.
5. water paint according to claim 1, which is characterized in that the diluent includes acetone, dimethylbenzene, first and second
One or more combinations in ketone, n-butanol.
6. water paint according to claim 1, which is characterized in that the antifoaming agent is polyoxyethylene polyoxy Propanolamine
Ether.
7. water paint according to claim 1, which is characterized in that the anti-settling agent is titanate coupling agent.
8. water paint according to claim 1, which is characterized in that the levelling agent is dimethyl silicone polymer.
9. a kind of method being used to prepare water paint described in claim 1, which is characterized in that including：
Metal nanoparticle is modified, modified metal nanoparticle is made；
The metal nanoparticle of water-base resin and the modification is uniformly dispersed, levelling agent, diluent, defoaming are then sequentially added
Agent, dispersant and anti-settling agent stir evenly, and obtain component A；
In use, component A and the corresponding curing agent of the water-base resin are mixed, the water paint is made.
10. according to the method described in claim 9, it is characterized in that, the step of being modified to metal nanoparticle includes：
Silane coupling agent is dissolved in the mixed solution of second alcohol and water, solution is modulated into faintly acid with glacial acetic acid, stands hydrolysis one
The section time, obtain hydrolyzed silane solution；
The metal nanoparticle is added in ethanol/water decentralized medium, is ultrasonically treated, supernatant is poured out after standing, is then added
Enter ethanol/water decentralized medium and the hydrolyzed silane solution, stirs evenly, react in a heated condition；
It filters, washs after reaction, after dry, the metal nanoparticle of the modification is made.
11. according to the method described in claim 10, wherein, disperseing in the mixed solution and ethanol/water of the second alcohol and water
In medium, the volume ratio of second alcohol and water is 1:1.
12. according to the method described in claim 10, wherein, the supersound process is in 20~30 DEG C and the item of 30~40kHz
Implement 20~40min under part.
13. according to the method described in claim 10, the volume fraction of the hydrolyzed silane solution is 1%-3%.
14. according to the method described in claim 10, be stirred at 70~90 DEG C, the time reacted in a heated condition is
1~3 hour.
15. according to the method described in claim 9, it is characterized in that, when rate of dispersion is 400~600r/min and dispersion
Between to implement the finely dispersed behaviour of the metal nanoparticle of the water-base resin and the modification under conditions of 20~40 minutes
Make.
16. according to the method described in claim 9, it is characterized in that, be added levelling agent, diluent, antifoaming agent, dispersant and
Uniform stirring during anti-settling agent, wherein rotating speed is 600~800r/min, and mixing time is 1~3h.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181479A (en) * | 2018-08-30 | 2019-01-11 | 广东度美新材料科技有限公司 | A kind of water proof anti-soil restraining and sterilizing bacteria coating material and preparation method thereof |
| CN109867805A (en) * | 2019-01-28 | 2019-06-11 | 青岛九维华盾科技研究院有限公司 | A kind of preparation method with infrared stealth film material with function |
| CN112300681A (en) * | 2020-10-26 | 2021-02-02 | 清远市蓝林新材料有限公司 | Polyurethane coating for mirror frame surface processing and preparation method thereof |
| CN114672226A (en) * | 2022-04-27 | 2022-06-28 | 深圳市深赛尔股份有限公司 | Water-based polyester tank-making coating and preparation method thereof |
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| CN109867805B (en) * | 2019-01-28 | 2022-03-15 | 青岛九维华盾科技研究院有限公司 | Preparation method of film material with infrared stealth function |
| CN112300681A (en) * | 2020-10-26 | 2021-02-02 | 清远市蓝林新材料有限公司 | Polyurethane coating for mirror frame surface processing and preparation method thereof |
| CN114672226A (en) * | 2022-04-27 | 2022-06-28 | 深圳市深赛尔股份有限公司 | Water-based polyester tank-making coating and preparation method thereof |
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