CN106380082A - An antifog coating based on a core-shell structure - Google Patents
An antifog coating based on a core-shell structure Download PDFInfo
- Publication number
- CN106380082A CN106380082A CN201610709531.7A CN201610709531A CN106380082A CN 106380082 A CN106380082 A CN 106380082A CN 201610709531 A CN201610709531 A CN 201610709531A CN 106380082 A CN106380082 A CN 106380082A
- Authority
- CN
- China
- Prior art keywords
- caco
- sio
- particle
- nanoparticle
- glass substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
Landscapes
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
- Laminated Bodies (AREA)
Abstract
An antifog coating based on a core-shell structure is provided. The antifog coating is CaCO3/SiO2 composite particles which have the core-shell structure, wherein the CaCO3 particles are cores, and the SiO2 particles are adsorbed onto the surfaces of the CaCO3 particles to form shells.
Description
Technical field
The application is related to antifogging coating field, more particularly, to a kind of antifogging coating based on nucleocapsid structure.
Background technology
Transparent material has a wide range of applications in industrial and agricultural production and life, but, due to the impact of surrounding, special
It is not the impact of humidity in environment, transparent material surface easily produces atomization, cause transparency decline, the production giving people and life
Work brings inconvenience, or even causes heavy losses.
Anti-fogging measure is mainly started with from the condition destroying fogging, and one is from thermodynamics, and installing heater makes base material
Surface temperature is higher than vapor dew point, or installation ultrasound wave dispersion makes the little dewdrop that vapor produces volatilize within the extremely short time
For vapor, the measure being usually taken is the method with hair dryer or the heating of film metal silk, removes transparent material surface
Water smoke；Two is chemical composition or the microstructure changing substrate surface from the performance changing material surface, such as in not shadow
In the case of ringing material function itself, construct one layer of hydrophilic or hydrophobic wear-resistant coating in material surface, when little water drop contact
During to this coating, due to the hydrophilic of coating or hydrophobic effect, little water droplet can coating surface sprawl into thin layer moisture film or
Person tumbles, thus inhibiting the formation of coating surface water smoke.
However, in prior art, using hair dryer or tinsel heating, there is device complexity, original paper is many, cost
Height, the problems such as fragile, therefore coating is the main method solving transparent material surface fogging.
Content of the invention
The present invention is intended to provide a kind of antifogging coating based on nucleocapsid structure, to solve problem set forth above.
A kind of antifogging coating based on nucleocapsid structure is provided, described antifogging coating is CaCO in embodiments of the invention3/
SiO2Compound particle, described CaCO3/SiO2Compound particle is nucleocapsid structure, CaCO3Particle is core, SiO2Nanoparticle absorption exists
Described CaCO3Particle surface forms shell structure, described CaCO3Particle diameter is 3～10 μm, described SiO2Nano particle diameter is
30～100nm.
The technical scheme that embodiments of the invention provide can include following beneficial effect：
The antifogging coating of the present invention is based on CaCO3/SiO2Compound particle, due to CaCO3Produce after calcining at high temperature and divide
Solution, has CO2Gas produces, CO2Gas breaks through SiO2Nanoparticle formed shell structure so that this shell structure surface formed aperture,
Formed by SiO2The porous coating of the hollow ball composition that nanoparticle is constituted, and increase the surface area of shell wall, be conducive to more
Hollow ball wall on adsorbed water molecule, on the other hand, the duct on hollow ball wall, due to capillary effect, also can be entered for hydrone
There is provided passage in goal, be conducive to sprawling of water droplet, increase the hydrophilic of figure layer；3rd, hollow ball also can increase light transmittance, keeps away
Exempt to lead to the decline of light transmittance because of the effect of coating, the antifogging coating of the present invention is less than 1 degree to the contact angle of water droplet, has relatively
Good hydrophilic effect, being prevented from glass surface water smoke etc., thus solving problem set forth above.
The aspect that the application adds and advantage will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the application.It should be appreciated that above general description and detailed description hereinafter are only
It is exemplary and explanatory, the application can not be limited.
Brief description
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to the following drawings
Other accompanying drawings.
Fig. 1 is the Making programme figure of antifogging coating of the present invention.
Specific embodiment
Here will in detail exemplary embodiment be illustrated, its example is illustrated in the accompanying drawings.Explained below is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the present invention.On the contrary, they be only with such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, the present invention.
Transparent material has a wide range of applications in industrial and agricultural production and life, but, due to the impact of surrounding, special
It is not the impact of humidity in environment, transparent material surface easily produces atomization, cause transparency decline, the production giving people and life
Work brings inconvenience, or even causes heavy losses.
Anti-fogging measure is mainly started with from the condition destroying fogging, and one is from thermodynamics, and installing heater makes base material
Surface temperature is higher than vapor dew point, or installation ultrasound wave dispersion makes the little dewdrop that vapor produces volatilize within the extremely short time
For vapor, the measure being usually taken is the method with hair dryer or the heating of film metal silk, removes transparent material surface
Water smoke；Two is chemical composition or the microstructure changing substrate surface from the performance changing material surface, such as in not shadow
In the case of ringing material function itself, construct one layer of hydrophilic or hydrophobic wear-resistant coating in material surface, when little water drop contact
During to this coating, due to the hydrophilic of coating or hydrophobic effect, little water droplet can coating surface sprawl into thin layer moisture film or
Person tumbles, thus inhibiting the formation of coating surface water smoke.
However, in prior art, using hair dryer or tinsel heating, there is device complexity, original paper is many, cost
Height, the problems such as fragile, therefore coating is the main method solving transparent material surface fogging.
Application scenarios one：
A kind of antifogging coating based on nucleocapsid structure that embodiments herein is related to, described antifogging coating is CaCO3/
SiO2Compound particle, described CaCO3/SiO2Compound particle is nucleocapsid structure, CaCO3Particle is core, SiO2Nanoparticle absorption exists
Described CaCO3Particle surface forms shell structure, described CaCO3Particle diameter is 3～10 μm, described SiO2Nano particle diameter is
30～100nm.
Preferably, described antifogging coating is coated in antifog glass surface, described antifog glass is high temp glass substrate, institute
Stating high temp glass substrate surface is the antifogging coating being deposited by electrostatic self-assembled method, and described high temp glass substrate is through poly- electricity
Solution matter surface modification treatment；This high temp glass substrate surface carries positive charge in surface after polyelectrolyte process, can pass through
Antifogging coating is deposited on surface by electrostatic attraction.
Due to CaCO3Produce after calcining at high temperature and decompose, have CO2Gas produces, CO2Gas breaks through SiO2Nanoparticle
The shell structure being formed, so that this shell structure surface forms aperture, is formed by SiO2It is many that the hollow ball that nanoparticle is constituted forms
Hole coating, and increase the surface area of shell wall, be conducive to adsorbed water molecule on more hollow ball walls, on the other hand, hollow ball
Duct on wall, due to capillary effect, also can be entered offer passage in goal for hydrone, be conducive to sprawling of water droplet, increase figure
The hydrophilic of layer；3rd, hollow ball also can increase light transmittance, it is to avoid because the effect of coating leads to the decline of light transmittance.
Preferably, described CaCO3Particle surface coats layer of polyethylene ketopyrrolidine.
This Polyvinylpyrrolidone is water-soluble high-molecular compound, can be in CaCO3Particle is protected as one layer of colloid
Material, it is to avoid without CaCO during high-temperature calcination3Particle decomposes in advance.
Preferably, deposition has the high temp glass substrate of described antifogging coating to be less than 1 degree with the contact angle of water droplet, possesses higher
Hydrophilic and self-cleaning property.
Still more preferably, by Fig. 1, the making step of described antifogging coating is as follows：
Step one, prepares CaCO3Particle：
Choose CaCO3Particle, is cleaned by ultrasonic, and then takes 3g Polyvinylpyrrolidone to be added to 100ml deionized water
In, by the CaCO after cleaning3Particle adds in deionized water, and ultrasonic 30min, makes CaCO again3Particle surface coats a strata second
Alkene pyrrolidone；
Step 2, prepares SiO2Nanoparticle：
By 5ml ammonia, 100ml dehydrated alcohol is added to stirring at normal temperature 10min in conical flask, stirs 2min at 60 DEG C,
The lower Deca 3ml tetraethyl orthosilicate of stirring, continues stirring 12h at 60 DEG C, obtains translucent solid for 50nm containing particle diameter
SiO2The suspension of nanoparticle；
Step 3, prepares CaCO3/SiO2Composite nanoparticle：
A) by the CaCO of step steady3Particle ultrasonic disperse forms suspension in water, by isopyknic concentration be 1～
The PDDA of 3mg/ml is added in this suspension, magnetic agitation, makes PDDA be assembled in CaCO by Coulomb force absorption3Particle table
Face, centrifugation, supersound washing, remove the PDDA of physical absorption, then the CaCO obtaining3Particle is dispersed in water and obtains all
Even scattered suspension；
B) suspension obtained above is added in PSS aqueous solution, magnetic agitation 3h, centrifugation, supersound washing, obtains
To CaCO3Surface adsorption has the spheroidal particle of Polyvinylpyrrolidone, PDDA and PSS, and repeat the above steps are so that CaCO3Particle
Surface adsorption is uniform；
C) by CaCO obtained above3Particle is added to prepared SiO2In the suspension of nanoparticle, magnetic agitation 6
～10h, centrifugation, supersound washing removes unadsorbed SiO2Nanoparticle, repeat the above steps are so that SiO2Nanoparticle
In CaCO3Particle surface absorption uniformly, then adsorbs PDDA/SiO twice again2Nanoparticle, obtains CaCO3/SiO2Compound grain
Son, and SiO2Nanoparticle is three layers；
Step 4, prepares antifogging coating：
A) Substrate treatment, is 7 using volume ratio:3 98%H2SO4And 30%H2O2To high temp glass substrate immersion treatment,
By the high temp glass processing substrate distilled water wash, then dried up with nitrogen；
B) the high temp glass substrate after cleaning is alternately immersed in PDDA and PSS solution, distilled water wash thing is used in centre
PDDA and PSS of reason absorption, until obtaining obtaining 7 layers of PDDA and 6 layer of PSS covering in high temp glass substrate surface；
C) high temp glass substrate obtained above is immersed in the CaCO that step 3 obtains3/SiO2Compound particle suspension
In, stand 5h, deposit one layer of CaCO in high temp glass substrate surface3/SiO2Compound particle coating, then by this high temp glass base
Piece is put in Muffle furnace, and at 600～850 DEG C, sintering 10h is so that CaCO3/SiO2CaCO in compound particle3Pyrolytic, obtains
There is the SiO of coarse structure and pore structure to deposition2The high temp glass substrate of hollow ball coating.
Application scenarios two：
A kind of antifogging coating based on nucleocapsid structure that embodiments herein is related to, described antifogging coating is CaCO3/
SiO2Compound particle, described CaCO3/SiO2Compound particle is nucleocapsid structure, CaCO3Particle is core, SiO2Nanoparticle absorption exists
Described CaCO3Particle surface forms shell structure, described CaCO3Particle diameter is 3 μm, described SiO2Nano particle diameter is 30nm.
Preferably, described antifogging coating is coated in antifog glass surface, described antifog glass is high temp glass substrate, institute
Stating high temp glass substrate surface is the antifogging coating being deposited by electrostatic self-assembled method, and described high temp glass substrate is through poly- electricity
Solution matter surface modification treatment；This high temp glass substrate surface carries positive charge in surface after polyelectrolyte process, can pass through
Antifogging coating is deposited on surface by electrostatic attraction.
Due to CaCO3Produce after calcining at high temperature and decompose, have CO2Gas produces, CO2Gas breaks through SiO2Nanoparticle
The shell structure being formed, so that this shell structure surface forms aperture, is formed by SiO2It is many that the hollow ball that nanoparticle is constituted forms
Hole coating, and increase the surface area of shell wall, be conducive to adsorbed water molecule on more hollow ball walls, on the other hand, hollow ball
Duct on wall, due to capillary effect, also can be entered offer passage in goal for hydrone, be conducive to sprawling of water droplet, increase figure
The hydrophilic of layer；3rd, hollow ball also can increase light transmittance, it is to avoid because the effect of coating leads to the decline of light transmittance.
Preferably, described CaCO3Particle surface coats layer of polyethylene ketopyrrolidine.
This Polyvinylpyrrolidone is water-soluble high-molecular compound, can be in CaCO3Particle is protected as one layer of colloid
Material, it is to avoid without CaCO during high-temperature calcination3Particle decomposes in advance.
Preferably, deposition has the high temp glass substrate of described antifogging coating to be less than 1 degree with the contact angle of water droplet, possesses higher
Hydrophilic and self-cleaning property.
Still more preferably, by Fig. 1, the making step of described antifogging coating is as follows：
Step one, prepares CaCO3Particle：
Choose CaCO3Particle, is cleaned by ultrasonic, and then takes 3g Polyvinylpyrrolidone to be added to 100ml deionized water
In, by the CaCO after cleaning3Particle adds in deionized water, and ultrasonic 30min, makes CaCO again3Particle surface coats a strata second
Alkene pyrrolidone；
Step 2, prepares SiO2Nanoparticle：
By 5ml ammonia, 100ml dehydrated alcohol is added to stirring at normal temperature 10min in conical flask, stirs 2min at 60 DEG C,
The lower Deca 3ml tetraethyl orthosilicate of stirring, continues stirring 12h at 60 DEG C, obtains translucent solid for 50nm containing particle diameter
SiO2The suspension of nanoparticle；
Step 3, prepares CaCO3/SiO2Composite nanoparticle：
A) by the CaCO of step steady3Particle ultrasonic disperse forms suspension in water, by isopyknic concentration be 1～
The PDDA of 3mg/ml is added in this suspension, magnetic agitation, makes PDDA be assembled in CaCO by Coulomb force absorption3Particle table
Face, centrifugation, supersound washing, remove the PDDA of physical absorption, then the CaCO obtaining3Particle is dispersed in water and obtains all
Even scattered suspension；
B) suspension obtained above is added in PSS aqueous solution, magnetic agitation 3h, centrifugation, supersound washing, obtains
To CaCO3Surface adsorption has the spheroidal particle of Polyvinylpyrrolidone, PDDA and PSS, and repeat the above steps are so that CaCO3Particle
Surface adsorption is uniform；
C) by CaCO obtained above3Particle is added to prepared SiO2In the suspension of nanoparticle, magnetic agitation 6
～10h, centrifugation, supersound washing removes unadsorbed SiO2Nanoparticle, repeat the above steps are so that SiO2Nanoparticle
In CaCO3Particle surface absorption uniformly, then adsorbs PDDA/SiO twice again2Nanoparticle, obtains CaCO3/SiO2Compound grain
Son, and SiO2Nanoparticle is three layers；
Step 4, prepares antifogging coating：
A) Substrate treatment, is 7 using volume ratio:3 98%H2SO4And 30%H2O2To high temp glass substrate immersion treatment,
By the high temp glass processing substrate distilled water wash, then dried up with nitrogen；
B) the high temp glass substrate after cleaning is alternately immersed in PDDA and PSS solution, distilled water wash thing is used in centre
PDDA and PSS of reason absorption, until obtaining obtaining 7 layers of PDDA and 6 layer of PSS covering in high temp glass substrate surface；
C) high temp glass substrate obtained above is immersed in the CaCO that step 3 obtains3/SiO2Compound particle suspension
In, stand 5h, deposit one layer of CaCO in high temp glass substrate surface3/SiO2Compound particle coating, then by this high temp glass base
Piece is put in Muffle furnace, and at 600～850 DEG C, sintering 10h is so that CaCO3/SiO2CaCO in compound particle3Pyrolytic, obtains
There is the SiO of coarse structure and pore structure to deposition2The high temp glass substrate of hollow ball coating.
Application scenarios three：
A kind of antifogging coating based on nucleocapsid structure that embodiments herein is related to, described antifogging coating is CaCO3/
SiO2Compound particle, described CaCO3/SiO2Compound particle is nucleocapsid structure, CaCO3Particle is core, SiO2Nanoparticle absorption exists
Described CaCO3Particle surface forms shell structure, described CaCO3Particle diameter is 5 μm, described SiO2Nano particle diameter is 50nm.
Preferably, described antifogging coating is coated in antifog glass surface, described antifog glass is high temp glass substrate, institute
Stating high temp glass substrate surface is the antifogging coating being deposited by electrostatic self-assembled method, and described high temp glass substrate is through poly- electricity
Solution matter surface modification treatment；This high temp glass substrate surface carries positive charge in surface after polyelectrolyte process, can pass through
Antifogging coating is deposited on surface by electrostatic attraction.
Due to CaCO3Produce after calcining at high temperature and decompose, have CO2Gas produces, CO2Gas breaks through SiO2Nanoparticle
The shell structure being formed, so that this shell structure surface forms aperture, is formed by SiO2It is many that the hollow ball that nanoparticle is constituted forms
Hole coating, and increase the surface area of shell wall, be conducive to adsorbed water molecule on more hollow ball walls, on the other hand, hollow ball
Duct on wall, due to capillary effect, also can be entered offer passage in goal for hydrone, be conducive to sprawling of water droplet, increase figure
The hydrophilic of layer；3rd, hollow ball also can increase light transmittance, it is to avoid because the effect of coating leads to the decline of light transmittance.
Preferably, described CaCO3Particle surface coats layer of polyethylene ketopyrrolidine.
This Polyvinylpyrrolidone is water-soluble high-molecular compound, can be in CaCO3Particle is protected as one layer of colloid
Material, it is to avoid without CaCO during high-temperature calcination3Particle decomposes in advance.
Preferably, deposition has the high temp glass substrate of described antifogging coating to be less than 2 degree with the contact angle of water droplet, possesses higher
Hydrophilic and self-cleaning property.
Still more preferably, by Fig. 1, the making step of described antifogging coating is as follows：
Step one, prepares CaCO3Particle：
Choose CaCO3Particle, is cleaned by ultrasonic, and then takes 3g Polyvinylpyrrolidone to be added to 100ml deionized water
In, by the CaCO after cleaning3Particle adds in deionized water, and ultrasonic 30min, makes CaCO again3Particle surface coats a strata second
Alkene pyrrolidone；
Step 2, prepares SiO2Nanoparticle：
By 5ml ammonia, 100ml dehydrated alcohol is added to stirring at normal temperature 10min in conical flask, stirs 2min at 60 DEG C,
The lower Deca 3ml tetraethyl orthosilicate of stirring, continues stirring 12h at 60 DEG C, obtains translucent solid for 50nm containing particle diameter
SiO2The suspension of nanoparticle；
Step 3, prepares CaCO3/SiO2Composite nanoparticle：
A) by the CaCO of step steady3Particle ultrasonic disperse forms suspension in water, by isopyknic concentration be 1～
The PDDA of 3mg/ml is added in this suspension, magnetic agitation, makes PDDA be assembled in CaCO by Coulomb force absorption3Particle table
Face, centrifugation, supersound washing, remove the PDDA of physical absorption, then the CaCO obtaining3Particle is dispersed in water and obtains all
Even scattered suspension；
B) suspension obtained above is added in PSS aqueous solution, magnetic agitation 3h, centrifugation, supersound washing, obtains
To CaCO3Surface adsorption has the spheroidal particle of Polyvinylpyrrolidone, PDDA and PSS, and repeat the above steps are so that CaCO3Particle
Surface adsorption is uniform；
C) by CaCO obtained above3Particle is added to prepared SiO2In the suspension of nanoparticle, magnetic agitation 6
～10h, centrifugation, supersound washing removes unadsorbed SiO2Nanoparticle, repeat the above steps are so that SiO2Nanoparticle
In CaCO3Particle surface absorption uniformly, then adsorbs PDDA/SiO twice again2Nanoparticle, obtains CaCO3/SiO2Compound grain
Son, and SiO2Nanoparticle is three layers；
Step 4, prepares antifogging coating：
A) Substrate treatment, is 7 using volume ratio:3 98%H2SO4And 30%H2O2To high temp glass substrate immersion treatment,
By the high temp glass processing substrate distilled water wash, then dried up with nitrogen；
B) the high temp glass substrate after cleaning is alternately immersed in PDDA and PSS solution, distilled water wash thing is used in centre
PDDA and PSS of reason absorption, until obtaining obtaining 7 layers of PDDA and 6 layer of PSS covering in high temp glass substrate surface；
C) high temp glass substrate obtained above is immersed in the CaCO that step 3 obtains3/SiO2Compound particle suspension
In, stand 5h, deposit one layer of CaCO in high temp glass substrate surface3/SiO2Compound particle coating, then by this high temp glass base
Piece is put in Muffle furnace, and at 600～850 DEG C, sintering 10h is so that CaCO3/SiO2CaCO in compound particle3Pyrolytic, obtains
There is the SiO of coarse structure and pore structure to deposition2The high temp glass substrate of hollow ball coating.
Application scenarios four：
A kind of antifogging coating based on nucleocapsid structure that embodiments herein is related to, described antifogging coating is CaCO3/
SiO2Compound particle, described CaCO3/SiO2Compound particle is nucleocapsid structure, CaCO3Particle is core, SiO2Nanoparticle absorption exists
Described CaCO3Particle surface forms shell structure, described CaCO3Particle diameter is 7 μm, described SiO2Nano particle diameter is 70nm.
Preferably, described antifogging coating is coated in antifog glass surface, described antifog glass is high temp glass substrate, institute
Stating high temp glass substrate surface is the antifogging coating being deposited by electrostatic self-assembled method, and described high temp glass substrate is through poly- electricity
Solution matter surface modification treatment；This high temp glass substrate surface carries positive charge in surface after polyelectrolyte process, can pass through
Antifogging coating is deposited on surface by electrostatic attraction.
Due to CaCO3Produce after calcining at high temperature and decompose, have CO2Gas produces, CO2Gas breaks through SiO2Nanoparticle
The shell structure being formed, so that this shell structure surface forms aperture, is formed by SiO2It is many that the hollow ball that nanoparticle is constituted forms
Hole coating, and increase the surface area of shell wall, be conducive to adsorbed water molecule on more hollow ball walls, on the other hand, hollow ball
Duct on wall, due to capillary effect, also can be entered offer passage in goal for hydrone, be conducive to sprawling of water droplet, increase figure
The hydrophilic of layer；3rd, hollow ball also can increase light transmittance, it is to avoid because the effect of coating leads to the decline of light transmittance.
Preferably, described CaCO3Particle surface coats layer of polyethylene ketopyrrolidine.
This Polyvinylpyrrolidone is water-soluble high-molecular compound, can be in CaCO3Particle is protected as one layer of colloid
Material, it is to avoid without CaCO during high-temperature calcination3Particle decomposes in advance.
Preferably, deposition has the high temp glass substrate of described antifogging coating to be less than 2 degree with the contact angle of water droplet, possesses higher
Hydrophilic and self-cleaning property.
Still more preferably, by Fig. 1, the making step of described antifogging coating is as follows：
Step one, prepares CaCO3Particle：
Choose CaCO3Particle, is cleaned by ultrasonic, and then takes 3g Polyvinylpyrrolidone to be added to 100ml deionized water
In, by the CaCO after cleaning3Particle adds in deionized water, and ultrasonic 30min, makes CaCO again3Particle surface coats a strata second
Alkene pyrrolidone；
Step 2, prepares SiO2Nanoparticle：
By 5ml ammonia, 100ml dehydrated alcohol is added to stirring at normal temperature 10min in conical flask, stirs 2min at 60 DEG C,
The lower Deca 3ml tetraethyl orthosilicate of stirring, continues stirring 12h at 60 DEG C, obtains translucent solid for 50nm containing particle diameter
SiO2The suspension of nanoparticle；
Step 3, prepares CaCO3/SiO2Composite nanoparticle：
A) by the CaCO of step steady3Particle ultrasonic disperse forms suspension in water, by isopyknic concentration be 1～
The PDDA of 3mg/ml is added in this suspension, magnetic agitation, makes PDDA be assembled in CaCO by Coulomb force absorption3Particle table
Face, centrifugation, supersound washing, remove the PDDA of physical absorption, then the CaCO obtaining3Particle is dispersed in water and obtains all
Even scattered suspension；
B) suspension obtained above is added in PSS aqueous solution, magnetic agitation 3h, centrifugation, supersound washing, obtains
To CaCO3Surface adsorption has the spheroidal particle of Polyvinylpyrrolidone, PDDA and PSS, and repeat the above steps are so that CaCO3Particle
Surface adsorption is uniform；
C) by CaCO obtained above3Particle is added to prepared SiO2In the suspension of nanoparticle, magnetic agitation 6
～10h, centrifugation, supersound washing removes unadsorbed SiO2Nanoparticle, repeat the above steps are so that SiO2Nanoparticle
In CaCO3Particle surface absorption uniformly, then adsorbs PDDA/SiO twice again2Nanoparticle, obtains CaCO3/SiO2Compound grain
Son, and SiO2Nanoparticle is three layers；
Step 4, prepares antifogging coating：
A) Substrate treatment, is 7 using volume ratio:3 98%H2SO4And 30%H2O2To high temp glass substrate immersion treatment,
By the high temp glass processing substrate distilled water wash, then dried up with nitrogen；
B) the high temp glass substrate after cleaning is alternately immersed in PDDA and PSS solution, distilled water wash thing is used in centre
PDDA and PSS of reason absorption, until obtaining obtaining 7 layers of PDDA and 6 layer of PSS covering in high temp glass substrate surface；
C) high temp glass substrate obtained above is immersed in the CaCO that step 3 obtains3/SiO2Compound particle suspension
In, stand 5h, deposit one layer of CaCO in high temp glass substrate surface3/SiO2Compound particle coating, then by this high temp glass base
Piece is put in Muffle furnace, and at 600～850 DEG C, sintering 10h is so that CaCO3/SiO2CaCO in compound particle3Pyrolytic, obtains
There is the SiO of coarse structure and pore structure to deposition2The high temp glass substrate of hollow ball coating.
Application scenarios five：
A kind of antifogging coating based on nucleocapsid structure that embodiments herein is related to, described antifogging coating is CaCO3/
SiO2Compound particle, described CaCO3/SiO2Compound particle is nucleocapsid structure, CaCO3Particle is core, SiO2Nanoparticle absorption exists
Described CaCO3Particle surface forms shell structure, described CaCO3Particle diameter is 10 μm, described SiO2Nano particle diameter is
100nm.
Preferably, described antifogging coating is coated in antifog glass surface, described antifog glass is high temp glass substrate, institute
Stating high temp glass substrate surface is the antifogging coating being deposited by electrostatic self-assembled method, and described high temp glass substrate is through poly- electricity
Solution matter surface modification treatment；This high temp glass substrate surface carries positive charge in surface after polyelectrolyte process, can pass through
Antifogging coating is deposited on surface by electrostatic attraction.
Due to CaCO3Produce after calcining at high temperature and decompose, have CO2Gas produces, CO2Gas breaks through SiO2Nanoparticle
The shell structure being formed, so that this shell structure surface forms aperture, is formed by SiO2It is many that the hollow ball that nanoparticle is constituted forms
Hole coating, and increase the surface area of shell wall, be conducive to adsorbed water molecule on more hollow ball walls, on the other hand, hollow ball
Duct on wall, due to capillary effect, also can be entered offer passage in goal for hydrone, be conducive to sprawling of water droplet, increase figure
The hydrophilic of layer；3rd, hollow ball also can increase light transmittance, it is to avoid because the effect of coating leads to the decline of light transmittance.
Preferably, described CaCO3Particle surface coats layer of polyethylene ketopyrrolidine.
This Polyvinylpyrrolidone is water-soluble high-molecular compound, can be in CaCO3Particle is protected as one layer of colloid
Material, it is to avoid without CaCO during high-temperature calcination3Particle decomposes in advance.
Preferably, deposition has the high temp glass substrate of described antifogging coating to be less than 2 degree with the contact angle of water droplet, possesses higher
Hydrophilic and self-cleaning property.
Still more preferably, by Fig. 1, the making step of described antifogging coating is as follows：
Step one, prepares CaCO3Particle：
Choose CaCO3Particle, is cleaned by ultrasonic, and then takes 3g Polyvinylpyrrolidone to be added to 100ml deionized water
In, by the CaCO after cleaning3Particle adds in deionized water, and ultrasonic 30min, makes CaCO again3Particle surface coats a strata second
Alkene pyrrolidone；
Step 2, prepares SiO2Nanoparticle：
By 5ml ammonia, 100ml dehydrated alcohol is added to stirring at normal temperature 10min in conical flask, stirs 2min at 60 DEG C,
The lower Deca 3ml tetraethyl orthosilicate of stirring, continues stirring 12h at 60 DEG C, obtains translucent solid for 50nm containing particle diameter
SiO2The suspension of nanoparticle；
Step 3, prepares CaCO3/SiO2Composite nanoparticle：
A) by the CaCO of step steady3Particle ultrasonic disperse forms suspension in water, by isopyknic concentration be 1～
The PDDA of 3mg/ml is added in this suspension, magnetic agitation, makes PDDA be assembled in CaCO by Coulomb force absorption3Particle table
Face, centrifugation, supersound washing, remove the PDDA of physical absorption, then the CaCO obtaining3Particle is dispersed in water and obtains all
Even scattered suspension；
B) suspension obtained above is added in PSS aqueous solution, magnetic agitation 3h, centrifugation, supersound washing, obtains
To CaCO3Surface adsorption has the spheroidal particle of Polyvinylpyrrolidone, PDDA and PSS, and repeat the above steps are so that CaCO3Particle
Surface adsorption is uniform；
C) by CaCO obtained above3Particle is added to prepared SiO2In the suspension of nanoparticle, magnetic agitation 6
～10h, centrifugation, supersound washing removes unadsorbed SiO2Nanoparticle, repeat the above steps are so that SiO2Nanoparticle
In CaCO3Particle surface absorption uniformly, then adsorbs PDDA/SiO twice again2Nanoparticle, obtains CaCO3/SiO2Compound grain
Son, and SiO2Nanoparticle is three layers；
Step 4, prepares antifogging coating：
A) Substrate treatment, is 7 using volume ratio:3 98%H2SO4And 30%H2O2To high temp glass substrate immersion treatment,
By the high temp glass processing substrate distilled water wash, then dried up with nitrogen；
B) the high temp glass substrate after cleaning is alternately immersed in PDDA and PSS solution, distilled water wash thing is used in centre
PDDA and PSS of reason absorption, until obtaining obtaining 7 layers of PDDA and 6 layer of PSS covering in high temp glass substrate surface；
C) high temp glass substrate obtained above is immersed in the CaCO that step 3 obtains3/SiO2Compound particle suspension
In, stand 5h, deposit one layer of CaCO in high temp glass substrate surface3/SiO2Compound particle coating, then by this high temp glass base
Piece is put in Muffle furnace, and at 600～850 DEG C, sintering 10h is so that CaCO3/SiO2CaCO in compound particle3Pyrolytic, obtains
There is the SiO of coarse structure and pore structure to deposition2The high temp glass substrate of hollow ball coating.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to its of the present invention
Its embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modifications, purposes or
Person's adaptations are followed the general principle of the present invention and are included the undocumented common knowledge in the art of the application
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It is described above and precision architecture illustrated in the accompanying drawings it should be appreciated that the invention is not limited in, and
And various modifications and changes can carried out without departing from the scope.The scope of the present invention only to be limited by appended claim.
Claims (3)
1. a kind of antifogging coating based on nucleocapsid structure is it is characterised in that described antifogging coating is CaCO3/SiO2Compound particle,
Described CaCO3/SiO2Compound particle is nucleocapsid structure, CaCO3Particle is core, SiO2Nanoparticle adsorbs in described CaCO3Particle
Surface forms shell structure.
2. antifogging coating according to claim 1 is it is characterised in that described CaCO3Particle diameter is 3～10 μm, described
SiO2Nano particle diameter is 30～100nm.
3. antifogging coating according to claim 2 is it is characterised in that the making of described antifogging coating comprises the following steps：
Step one, prepares CaCO3Particle：
Choose CaCO3Particle, is cleaned by ultrasonic, and then takes 3g Polyvinylpyrrolidone to be added in 100ml deionized water, will
CaCO after cleaning3Particle adds in deionized water, and ultrasonic 30min, makes CaCO again3Particle surface coats layer of polyethylene pyrrole
Pyrrolidone；
Step 2, prepares SiO2Nanoparticle：
By 5ml ammonia, 100ml dehydrated alcohol is added to stirring at normal temperature 10min in conical flask, stirs 2min at 60 DEG C, in stirring
Lower Deca 3ml tetraethyl orthosilicate, continues stirring 12h at 60 DEG C, obtains the translucent solid SiO containing particle diameter for 50nm2Receive
The suspension of rice corpuscles；
Step 3, prepares CaCO3/SiO2Composite nanoparticle：
A) by the CaCO of step steady3Particle ultrasonic disperse forms suspension in water, and isopyknic concentration is 1～3mg/
The PDDA of ml is added in this suspension, magnetic agitation, makes PDDA be assembled in CaCO by Coulomb force absorption3Particle surface, from
The heart separates, supersound washing, removes the PDDA of physical absorption, then the CaCO obtaining3Particle is dispersed in water and is uniformly divided
Scattered suspension；
B) suspension obtained above is added in PSS aqueous solution, magnetic agitation 3h, centrifugation, supersound washing, obtains
CaCO3Surface adsorption has the spheroidal particle of Polyvinylpyrrolidone, PDDA and PSS, and repeat the above steps are so that CaCO3Particle table
Face absorption is uniformly；
C) by CaCO obtained above3Particle is added to prepared SiO2In the suspension of nanoparticle, magnetic agitation 6～
10h, centrifugation, supersound washing removes unadsorbed SiO2Nanoparticle, repeat the above steps are so that SiO2Nanoparticle exists
CaCO3Particle surface absorption uniformly, then adsorbs PDDA/SiO twice again2Nanoparticle, obtains CaCO3/SiO2Compound particle,
And SiO2Nanoparticle is three layers；
Step 4, prepares antifogging coating：
A) Substrate treatment, is 7 using volume ratio:3 98%H2SO4And 30%H2O2To high temp glass substrate immersion treatment, will locate
The high temp glass substrate distilled water wash managed, then dried up with nitrogen；
B) the high temp glass substrate after cleaning is alternately immersed in PDDA and PSS solution, middle distilled water wash physics is inhaled
Attached PDDA and PSS, until obtaining obtaining 7 layers of PDDA and 6 layer of PSS covering in high temp glass substrate surface；
C) high temp glass substrate obtained above is immersed in the CaCO that step 3 obtains3/SiO2In compound particle suspension, quiet
Put 5h, deposit one layer of CaCO in high temp glass substrate surface3/SiO2Then this high temp glass substrate is put into by compound particle coating
In Muffle furnace, at 600～850 DEG C, sintering 10h is so that CaCO3/SiO2CaCO in compound particle3Pyrolytic, is deposited
There is the SiO of coarse structure and pore structure2The high temp glass substrate of hollow ball coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709531.7A CN106380082B (en) | 2016-08-22 | 2016-08-22 | A kind of anti-fog coating based on core-shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709531.7A CN106380082B (en) | 2016-08-22 | 2016-08-22 | A kind of anti-fog coating based on core-shell structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106380082A true CN106380082A (en) | 2017-02-08 |
| CN106380082B CN106380082B (en) | 2018-12-07 |
Family
ID=57916869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610709531.7A Active CN106380082B (en) | 2016-08-22 | 2016-08-22 | A kind of anti-fog coating based on core-shell structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106380082B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405236A (en) * | 2002-11-06 | 2003-03-26 | 中山大学 | Nano CaCo3/TiO2 composite particle and its preparation method |
| WO2003097529A1 (en) * | 2002-03-20 | 2003-11-27 | Nanomaterials Technology Pte Ltd. | CaCO3/Si2O • nH2O NANOCOMPOSITE PARTICLES, Si2O • nH2O NANOMATERIAL AND METHOD OF PRODUCING THE SAME |
| CN101538124A (en) * | 2008-03-17 | 2009-09-23 | 中国科学院理化技术研究所 | Super-hydrophilic self-cleaning SiO2 antifogging coating and preparation method thereof |
-
2016
- 2016-08-22 CN CN201610709531.7A patent/CN106380082B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003097529A1 (en) * | 2002-03-20 | 2003-11-27 | Nanomaterials Technology Pte Ltd. | CaCO3/Si2O • nH2O NANOCOMPOSITE PARTICLES, Si2O • nH2O NANOMATERIAL AND METHOD OF PRODUCING THE SAME |
| CN1405236A (en) * | 2002-11-06 | 2003-03-26 | 中山大学 | Nano CaCo3/TiO2 composite particle and its preparation method |
| CN101538124A (en) * | 2008-03-17 | 2009-09-23 | 中国科学院理化技术研究所 | Super-hydrophilic self-cleaning SiO2 antifogging coating and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106380082B (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2317344T3 (en) | COMPOSITE MATERIALS CONTAINING CARBON NANOPARTICLES. | |
| JP3273604B2 (en) | Composite particles, methods of making and using the same | |
| CN103787586B (en) | A kind of self-cleaning hydrophilic composite and preparation method thereof | |
| CN110896638B (en) | Self-cleaning coating, self-cleaning fiber, self-cleaning carpet and application thereof | |
| JP5550722B2 (en) | Self-cleaning surface | |
| Chang et al. | Facile preparation of stable superhydrophobic coatings on wood surfaces using silica-polymer nanocomposites | |
| EP0827555B1 (en) | Photocatalytic semiconductor coating process | |
| JP2013540604A (en) | Method for producing a deposit of inorganic nanoparticles with microscopic gaps on a light transparent support | |
| CN110560024A (en) | Preparation method of photocatalytic coating for inorganic material | |
| CN106914150A (en) | A kind of hydrophobic oleophobic method of modifying of porous organic film | |
| CN105925113B (en) | Waterproof and breathable styrene block copolymer composite coating material and its preparation and use | |
| CN106287537A (en) | A kind of solar LED street lamp | |
| CN106287413A (en) | A kind of for illuminating lamp under water | |
| JP2009090378A (en) | Metal nanoparticle inorganic composite and its manufacturing method | |
| CN106380082A (en) | An antifog coating based on a core-shell structure | |
| CN106693696A (en) | Nanometer photocatalytic anti-haze gauze | |
| JP2016211867A (en) | Optical oxygen sensor and method of manufacturing the same | |
| CN106348617B (en) | A kind of automotive anti-mist glass | |
| CN101053812A (en) | Mesoporous iron oxide hollow microspheres with photoelectric catalytically active and preparation method thereof | |
| JP2007167833A (en) | Nano photocatalyst sol and its application | |
| CN106121141B (en) | A kind of glasshouse skylight | |
| CN106320948A (en) | Perspective window with anti-fogging effect | |
| JPS62294467A (en) | Method of forming film | |
| CN106329337A (en) | Power equipment observation window | |
| Wang et al. | Prolonged‐release performance of perfume encapsulated by tailoring mesoporous silica spheres |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181025 Address after: 225000 Pioneer Park 9, yangshou Town Industrial Zone, Hanjiang District, Yangzhou, Jiangsu Applicant after: Jiangsu crystal water paint Co., Ltd. Address before: 315200 No. 555 north tunnel road, Zhenhai District, Ningbo, Zhejiang Applicant before: Meng Ling |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220606 Address after: No. 11-5, Chuangye Road, Yangzhou Chemical Industry Park, Yangzhou, Jiangsu 225000 Patentee after: Yangzhou Lvbang Chemical Co.,Ltd. Address before: 225000 Pioneer Park 9, yangshou Town Industrial Zone, Hanjiang District, Yangzhou, Jiangsu Patentee before: JIANGSU JING LIAN WATER PAINT Co.,Ltd. |
|
| TR01 | Transfer of patent right |