CN110078387A - Super-hydrophobicity abrasion-resistant clear coat and preparation method thereof - Google Patents
Super-hydrophobicity abrasion-resistant clear coat and preparation method thereof Download PDFInfo
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- CN110078387A CN110078387A CN201910329366.6A CN201910329366A CN110078387A CN 110078387 A CN110078387 A CN 110078387A CN 201910329366 A CN201910329366 A CN 201910329366A CN 110078387 A CN110078387 A CN 110078387A
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- 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
- C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
- C03C17/23—Oxides
- C03C17/25—Oxides by deposition from the liquid phase
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- 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
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/30—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
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- 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
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/42—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating of an organic material and at least one non-metal coating
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- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
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- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/78—Coatings specially designed to be durable, e.g. scratch-resistant
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/111—Deposition methods from solutions or suspensions by dipping, immersion
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- Engineering & Computer Science (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a kind of super-hydrophobicity abrasion-resistant clear coats, the coating is at least three layers, the coating includes the molding nano silicon dioxide layer of dip-coating and modified polyorganosiloxane layer, and wherein the weight percent of nano silica and modified polyorganosiloxane is nano silica: modified polyorganosiloxane=1~20%；The super-hydrophobic coating has good wearability and the transparency, improves the durability that coating uses, and production method is easy, easily operated.
Description
Technical field
The present invention relates to super-hydrophobic functional coatings, in particular to super-hydrophobicity abrasion-resistant clear coat and preparation method thereof.
Background technique
Super-hydrophobic coat is with the contact angle of water (WAC)>150 °, is in rolling contact the coating at angle (SA)<10 °.Super-hydrophobic painting
Layer has excellent surface property, such as automatically cleaning, waterproof, anticorrosion, antipollution, has in industry and daily life huge
Application prospect, increasingly receive significant attention.The preparation method of common super-hydrophobic coat has sol-gel method, electrochemistry
Sedimentation, template, particle-filled hair, self-assembly method etc., although it has been reported that a variety of methods prepare super-hydrophobic coat, by
Its process conditions limits heavy industrialization application difficult to realize, therefore, study a kind of method it is easy, it is easily operated, can advise greatly
The super-hydrophobic coat and preparation method thereof of mould production has important application value and practical significance.And it is super-hydrophobic in the prior art
Property be easier to realize, but wearability be in its practical application one it is big hinder, wearability directly decides what coating used
Endurance issues, while existing super-hydrophobic coat is also difficult to meet the requirement of the transparency.
Therefore, in order to overcome the problems, such as the wearability and the transparency of existing super-hydrophobic coat, it is not only able to achieve super hydrophobic functional,
Also greatly meet requirement of the coating to wearability and the transparency, while the feature for having method easy, easily operated.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of super-hydrophobicity abrasion-resistant clear coats and preparation method thereof, no
It is only able to achieve super hydrophobic functional, also greatly meets requirement of the coating to wearability and the transparency, while having method simple
Just, easily operated feature.
Super-hydrophobicity abrasion-resistant clear coat of the invention, the coating are at least three layers, and the coating includes dip-coating molding
Nano silicon dioxide layer and modified polyorganosiloxane layer, wherein the weight percent of nano silica and modified polyorganosiloxane be
Nano silica: modified polyorganosiloxane=1~20%；
Further, the nano silicon dioxide layer by nano silica be dissolved in the lotion formed in solvent dip-coating at
Type, the modified polyorganosiloxane layer are dissolved in dip-coating in the lotion formed in solvent by modified polyorganosiloxane and form, the modification
The weight part ratio of polysiloxanes and solvent is modified polyorganosiloxane: solvent=1:8~1:2, the nano silica and solvent
Weight part ratio be nano silica: solvent=1:400~1:20；
Further, the weight part ratio of the modified polyorganosiloxane and solvent is polysiloxanes: solvent=1:4, the nanometer
The weight part ratio of silica and solvent is nano silica: solvent=0.75:40；
Further, the nano silica is hydrophobic type gas phase silica R106, hydrophobic type gas phase silica
R202, it hydrophobic type gas phase silica R812, hydrophobic type gas phase silica R812S, hydrophobic type gas phase silica R972, dredges
It is water type fumed silica R974, hydrophobic type gas phase silica LA-R649, hydrophobic type gas phase silica LA-R669, hydrophobic
Type fumed silica TS-530, hydrophobic type gas phase silica TS-610, one in hydrophobic type gas phase silica TS-720
Kind or two or more mixtures；
Further, the modified polyorganosiloxane is polyurethane-modified polysiloxanes, fluorinated polysiloxane, hydrogeneous poly- silicon oxygen
One or more mixtures of alkane, acroleic acid modified polysiloxane, epoxy polysiloxane；
Further, the solvent be one or both of dehydrated alcohol, acetone, toluene, tetrahydrofuran, ethyl acetate with
Upper mixture；
Further, substrate is neutralized into the dip-coating containing modified polyorganosiloxane respectively at the lotion containing nano silica
Multiple dip-coating is formed by curing the super-hydrophobicity abrasion-resistant clear coat at least having the coating structure that haves three layers in liquid.
Invention additionally discloses the preparation methods of super-hydrophobicity abrasion-resistant clear coat, comprising the following steps:
A. modified polyorganosiloxane and nano silica are mixed and made into dip-coating solution 1 and dip-coating solution 2 with solvent respectively；
B. by clean substrate prior to dip-coating in dip-coating solution 1, the then dip-coating in dip-coating solution 2 again, total time of dip-coating
Number is at least three times；
Further, the preparation method of super-hydrophobicity abrasion-resistant clear coat, in step a, by modified polyorganosiloxane and nanometer two
Silica first stirs 10~60 minutes after being dissolved in solvent respectively, is then being ultrasonically treated 10~60 minutes formation dip-coating solution 1
With dip-coating solution 2；
Further, in step b, clean sheet glass is slowly immersed in after standing 0.5~2min in dip-coating solution 1 and is taken out,
The sheet glass is slowly immersed in again in dip-coating solution 2 after polysiloxanes solidification and is taken out after 0.5~2min of standing, is volatilized to solvent
The sheet glass is immersed in dip-coating solution 2 again afterwards after standing 0.5~2min and taken out, is finally 50~100 in temperature by sheet glass
Solidify at DEG C, the obtained super-hydrophobicity abrasion-resistant clear coat for having the coating structure that haves three layers.
Beneficial effects of the present invention: super-hydrophobicity abrasion-resistant clear coat of the invention and preparation method thereof, this is super-hydrophobic
Coating has good wearability and the transparency, improves the durability that coating uses, and production method is easy, easily operated.
Detailed description of the invention:
Fig. 1 is the contact angle figure of water droplet and glass sheet surface before wearing；
Fig. 2 is that sheet glass wears water droplet and glass sheet surface after 200cm under 100g Weight gravity on 600 mesh sand paper
Contact angle figure；
Fig. 3 is the light transmittance figure of the mass ratio of different silica and polysiloxanes；
Fig. 4 is that the SEM of the new coating schemes；
Fig. 5 is the wear rate figure of the new coating.
Specific embodiment
Fig. 1 is the contact angle figure of water droplet and glass sheet surface before wearing, and CA is 158.49 °, illustrates the coating with good
Good super-hydrophobicity；Fig. 2 is that sheet glass wears water droplet and sheet glass after 200cm under 100g Weight gravity on 600 mesh sand paper
The contact angle figure on surface, CA are 145.99 °, illustrate the coating with good wearability；Fig. 3 be different silica with
The light transmittance figure of the mass ratio of polysiloxanes, as shown, the new coating has the good transparency；Fig. 4 is the novel painting
The SEM figure of layer, can observe the micro-nano structure on its surface, demonstrate its super-hydrophobicity from microcosmic；Fig. 5 is the new coating
Wear rate figure, as can be seen from Figure the new coating have good wearability.
The super-hydrophobicity abrasion-resistant clear coat of the present embodiment, the coating are at least three layers, the coating include dip-coating at
The nano silicon dioxide layer and modified polyorganosiloxane layer of type, the wherein weight percent of nano silica and modified polyorganosiloxane
For nano silica: modified polyorganosiloxane=1~20%；Nano silicon dioxide layer is generally as surface layer, modified polyorganosiloxane
The material of bonding agent of the layer as substrate and nano silicon dioxide layer, nano silicon dioxide layer and modified polyorganosiloxane layer is right simultaneously
The hydrophobicity of coating, wearability and the transparency play a leading role.The coating is not limited only to three layers, such as can be nanometer titanium dioxide
2 layers or 2 layers of silicon layer or more, 1 layer or 1 layer of modified polyorganosiloxane layer or more, nano silicon dioxide layer and modified polyorganosiloxane layer can
It is arranged with interval and is either set gradually, that is to say, that on dipping process, using nano silicon dioxide layer and can be modified poly-
The mode of siloxane layer interval dip-coating, dip-coating is received again after multiple dip-coating modified polyorganosiloxane layer, dip-coating can also being used to complete
Rice silicon dioxide layer, wherein nano silicon dioxide layer is also by the way of multiple dip-coating.
In the present embodiment, the nano silicon dioxide layer is dissolved in the lotion formed in solvent by nano silica soaks
Molding is applied, the modified polyorganosiloxane layer is dissolved in dip-coating in the lotion formed in solvent by modified polyorganosiloxane and forms, described
The weight part ratio of modified polyorganosiloxane and solvent be modified polyorganosiloxane: solvent=1:8~1:2, the nano silica with
The weight part ratio of solvent is nano silica: solvent=1:400~1:20；Nano silica and modified polyorganosiloxane with it is molten
The proportion of agent directly decides the effect of coating.
In the present embodiment, the weight part ratio of the polysiloxanes and solvent is polysiloxanes: solvent=1:4, the nanometer
The weight part ratio of silica and solvent is nano silica: solvent=0.75:40；For preferred embodiment.
In the present embodiment, the nano silica is hydrophobic type gas phase silica R106, hydrophobic type gas phase titanium dioxide
Silicon R202, hydrophobic type gas phase silica R812, hydrophobic type gas phase silica R812S, hydrophobic type gas phase silica R972,
Hydrophobic type gas phase silica R974, it hydrophobic type gas phase silica LA-R649, hydrophobic type gas phase silica LA-R669, dredges
Water type fumed silica TS-530, hydrophobic type gas phase silica TS-610, in hydrophobic type gas phase silica TS-720
One or more kinds of mixtures；It is preferred that using hydrophobic type gas phase silica R972 (white carbon black).
In the present embodiment, the modified polyorganosiloxane is polyurethane-modified polysiloxanes, fluorinated polysiloxane, hydrogeneous poly- silicon
One or more mixtures of oxygen alkane, acroleic acid modified polysiloxane, epoxy polysiloxane；It is preferred that being changed using polyurethane
Property polysiloxanes.
In the present embodiment, the solvent is one of dehydrated alcohol, acetone, toluene, tetrahydrofuran, ethyl acetate or two
Kind or more mixture；It is preferred that using dehydrated alcohol.
In the present embodiment, substrate is contained into modified polyorganosiloxane respectively at the lotion neutralization containing nano silica
Multiple dip-coating is formed by curing the super-hydrophobicity abrasion-resistant clear coat at least having the coating structure that haves three layers, the number of dip-coating in lotion
It decides to form the number of plies of coating.
Invention additionally discloses the preparation methods of super-hydrophobicity abrasion-resistant clear coat, comprising the following steps:
A. modified polyorganosiloxane and nano silica are mixed and made into dip-coating solution 1 and dip-coating solution 2 with solvent respectively；
B. by clean substrate prior to dip-coating in dip-coating solution 1, the then dip-coating in dip-coating solution 2 again, total time of dip-coating
Number is at least three times；Substrate is preferably sheet glass, can be using nano silicon dioxide layer and modified polyorganosiloxane interlayer every dip-coating
Mode, dip-coating nano silicon dioxide layer again after multiple dip-coating modified polyorganosiloxane layer, dip-coating can also being used to complete,
In, nano silicon dioxide layer is also by the way of multiple dip-coating.
In the present embodiment, the preparation method of super-hydrophobicity abrasion-resistant clear coat in step a, by modified polyorganosiloxane and is received
Rice silica first stirs after being dissolved in solvent respectively1It is 0~60 minute, then molten in ultrasonic treatment formation dip-coating in 10~60 minutes
Liquid 1 and dip-coating solution 2；Enable modified polyorganosiloxane and nano silica is fully dispersed is dissolved in solvent.
In the present embodiment, in step b, clean sheet glass is slowly immersed in after standing 0.5~2min in dip-coating solution 1 and is taken
Out, the sheet glass is slowly immersed in after polysiloxanes solidification after standing 0.5~2min in dip-coating solution 2 again and is taken out, to solvent
After volatilization again will the sheet glass immerse dip-coating solution 2 in stand 0.5~2min after take out, finally by sheet glass temperature be 50~
Solidify at 100 DEG C, the obtained super-hydrophobicity abrasion-resistant clear coat for having the coating structure that haves three layers.
Embodiment one
A. the modified polysiloxanes of 10g polyurethane is dissolved in 40g dehydrated alcohol (M polysiloxanes: dehydrated alcohol=1 M:
4) it, first stirs 30 minutes, then in ultrasonic 30 minutes formation solution 1；By 0.75g nano silica (M silica: the poly- silicon of M
Oxygen alkane=7.5%) it is dissolved in 40g dehydrated alcohol, it first stirs 30 minutes, then in ultrasonic 30 minutes formation solution 2；
B. the sheet glass after cleaning is slowly immersed in solution 1 and is stood 1min, then take out sheet glass and wait for polysiloxanes
Above-mentioned sheet glass is slowly immersed in solution 2 after solidification and stands 1min；Sheet glass is taken out after ethyl alcohol volatilization again by the glass
Piece, which immerses in solution 2, stands 1min.Above-mentioned glass sheet sample is placed in 80 ° of baking ovens and is solidified 2 hours.
Embodiment two
A. 10g fluorinated polysiloxane is dissolved in 40g acetone, first stirs 30 minutes, was then formed at ultrasound 30 minutes molten
Liquid 1；0.75g hydrophobic type gas phase silica R106 is dissolved in 40g acetone, is first stirred 30 minutes, then at ultrasound 30 minutes
Form solution 2；
B. the sheet glass after cleaning is slowly immersed in solution 1 and is stood 1min, then take out sheet glass and wait for fluorine-containing poly- silicon
Above-mentioned sheet glass is slowly immersed in solution 2 after the solidification of oxygen alkane and stands 1min；Sheet glass is taken out again should after acetone volatilization
Sheet glass, which immerses in solution 2, stands 1min.Above-mentioned glass sheet sample is placed in 80 DEG C of baking ovens and is solidified 2 hours.
Embodiment three
A. 10g hydrogen containing siloxane is dissolved in 40g toluene, first stirs 30 minutes, was then formed at ultrasound 30 minutes molten
Liquid 1；0.75g hydrophobic type gas phase silica R202 is dissolved in 40g acetone, is first stirred 30 minutes, then at ultrasound 30 minutes
Form solution 2；
B. the sheet glass after cleaning is slowly immersed in solution 1 and is stood 1min, then take out sheet glass and wait for hydrogeneous poly- silicon
Above-mentioned sheet glass is slowly immersed in solution 2 after the solidification of oxygen alkane and stands 1min；Sheet glass is taken out again should after toluene volatilization
Sheet glass, which immerses in solution 2, stands 1min.Above-mentioned glass sheet sample is placed in 80 ° of baking ovens and is solidified 2 hours.
Example IV
A. 10g is dissolved in 40g tetrahydrofuran containing acroleic acid modified polysiloxane, is first stirred 30 minutes, then in ultrasound
30 minutes formation solution 1；0.75g hydrophobic type gas phase silica R812 is dissolved in 40g tetrahydrofuran, is first stirred 30 minutes,
Then in ultrasonic 30 minutes formation solution 2；
B. the sheet glass after cleaning is slowly immersed in solution 1 and is stood 1min, then take out sheet glass and wait for that acrylic acid changes
Property polysiloxanes solidification after above-mentioned sheet glass be slowly immersed in solution 2 and stand 1min；It takes out sheet glass and waits for that tetrahydrofuran is waved
The sheet glass is immersed in solution 2 again after hair and stands 1min.Above-mentioned glass sheet sample is placed in 80 ° of baking ovens and solidifies 2 hours i.e.
It can.
Embodiment five
A. 10g epoxy polysiloxane is dissolved in 40g ethyl acetate, is first stirred 30 minutes, then in ultrasonic 30 minutes shapes
At solution 1；0.75g hydrophobic type gas phase silica R812 is dissolved in 40g ethyl acetate, is first stirred 30 minutes, then super
30 minutes formation solution 2 of sound；
B. the sheet glass after cleaning is slowly immersed in solution 1 and is stood 1min, then take out sheet glass and wait for the poly- silicon of epoxy
Above-mentioned sheet glass is slowly immersed in solution 2 after the solidification of oxygen alkane and stands 1min；Take out sheet glass after ethyl acetate volatilization after again
The sheet glass is immersed in solution 2 and stands 1min.Above-mentioned glass sheet sample is placed in 80 ° of baking ovens and is solidified 2 hours.
Embodiment six
A. 10g hydrogen containing siloxane is dissolved in 80g toluene, first stirs 10 minutes, was then formed at ultrasound 10 minutes molten
Liquid 1；1g hydrophobic type gas phase silica R202 is dissolved in 400g acetone, is first stirred 10 minutes, then in ultrasonic 10 minutes shapes
At solution 2；
B. the sheet glass after cleaning is slowly immersed in solution 1 and is stood 0.5min, then take out sheet glass and wait for hydrogeneous gather
Above-mentioned sheet glass is slowly immersed in solution 2 after cured silicone and stands 0.5min；Take out sheet glass after toluene volatilization after again
The sheet glass is immersed in solution 2 and stands 0.5min.Above-mentioned glass sheet sample is placed in 50 ° of baking ovens and is solidified 2 hours.
Embodiment seven
A. 10g hydrogen containing siloxane is dissolved in 20g toluene, first stirs 60 minutes, was then formed at ultrasound 60 minutes molten
Liquid 1；1g hydrophobic type gas phase silica R202 is dissolved in 20g acetone, first stirs 60 minutes, was then formed at ultrasound 60 minutes
Solution 2；
B. the sheet glass after cleaning is slowly immersed in solution 1 and is stood 2min, then take out sheet glass and wait for hydrogeneous poly- silicon
Above-mentioned sheet glass is slowly immersed in solution 2 after the solidification of oxygen alkane and stands 2min；Sheet glass is taken out again should after toluene volatilization
Sheet glass, which immerses in solution 2, stands 2min.Above-mentioned glass sheet sample is placed in 100 ° of baking ovens and is solidified 2 hours.
Embodiment eight
A. the modified polysiloxanes of 10g polyurethane is dissolved in dehydrated alcohol (M polysiloxanes: M dehydrated alcohol=1:2),
It first stirs 60 minutes, then in ultrasonic 60 minutes formation solution 1；By 0.01g nano silica (M silica: the anhydrous second of M
Alcohol=1:20) it is dissolved in dehydrated alcohol, it first stirs 60 minutes, then in ultrasonic 60 minutes formation solution 2；
B. the sheet glass after cleaning is slowly immersed in solution 1 and is stood 2min, then take out sheet glass and wait for polysiloxanes
Above-mentioned sheet glass is slowly immersed in solution 2 after solidification and stands 2min；Sheet glass is taken out after ethyl alcohol volatilization again by the glass
Piece, which immerses in solution 2, stands 2min.Above-mentioned glass sheet sample is placed in 100 ° of baking ovens and is solidified 2 hours.
Embodiment nine
A. the modified polysiloxanes of 10g polyurethane is dissolved in dehydrated alcohol (M polysiloxanes: M dehydrated alcohol=1:6),
It first stirs 60 minutes, then in ultrasonic 60 minutes formation solution 1；By 2g nano silica (M silica: M dehydrated alcohol=
It 1:100) is dissolved in dehydrated alcohol, first stirs 60 minutes, then in ultrasonic 60 minutes formation solution 2；
B. the sheet glass after cleaning is slowly immersed in solution 1 and is stood 2min, then take out sheet glass and wait for polysiloxanes
Above-mentioned sheet glass is slowly immersed in solution 2 after solidification and stands 2min；Sheet glass is taken out after ethyl alcohol volatilization again by the glass
Piece, which immerses in solution 2, stands 2min.Above-mentioned glass sheet sample is placed in 100 ° of baking ovens and is solidified 2 hours.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. a kind of super-hydrophobicity abrasion-resistant clear coat, it is characterised in that: the coating is at least three layers, and the coating includes dip-coating
Molding nano silicon dioxide layer and modified polyorganosiloxane layer, the wherein weight percent of nano silica and modified polyorganosiloxane
Than for nano silica: modified polyorganosiloxane=1~20%.
2. super-hydrophobicity abrasion-resistant clear coat according to claim 1, it is characterised in that: the nano silicon dioxide layer by
Nano silica is dissolved in dip-coating in the lotion formed in solvent and forms, and the modified polyorganosiloxane layer is by modified polyorganosiloxane
It is dissolved in dip-coating in the lotion formed in solvent to form, the weight part ratio of the modified polyorganosiloxane and solvent is modified poly- silicon oxygen
Alkane: the weight part ratio of solvent=1:8~1:2, the nano silica and solvent is nano silica: solvent=1:400
~1:20.
3. super-hydrophobicity abrasion-resistant clear coat according to claim 2, it is characterised in that: the modified polyorganosiloxane with it is molten
The weight part ratio of agent is modified polyorganosiloxane: the weight part ratio of solvent=1:4, the nano silica and solvent is nanometer two
Silica: solvent=0.75:40.
4. super-hydrophobicity abrasion-resistant clear coat according to claim 3, it is characterised in that: the nano silica is thin
Water type fumed silica R106, hydrophobic type gas phase silica R202, hydrophobic type gas phase silica R812, hydrophobic type gas phase
Silica R812S, hydrophobic type gas phase silica R972, hydrophobic type gas phase silica R974, hydrophobic type gas phase titanium dioxide
Silicon LA-R649, hydrophobic type gas phase silica LA-R669, hydrophobic type gas phase silica TS-530, hydrophobic type gas phase titanium dioxide
One or more mixtures of silicon TS-610, hydrophobic type gas phase silica TS-720.
5. super-hydrophobicity abrasion-resistant clear coat according to claim 4, it is characterised in that: the modified polyorganosiloxane is poly-
Urethane modified polyisocyanurate siloxanes, fluorinated polysiloxane, hydrogen containing siloxane, acroleic acid modified polysiloxane, in epoxy polysiloxane
One or more kinds of mixtures.
6. super-hydrophobicity abrasion-resistant clear coat according to claim 5, it is characterised in that: the solvent be dehydrated alcohol,
One or more mixtures of acetone, toluene, tetrahydrofuran, ethyl acetate.
7. the preparation method of super-hydrophobicity abrasion-resistant clear coat according to claim 1, it is characterised in that: distinguish substrate
Multiple dip-coating in the lotion containing modified polyorganosiloxane is neutralized in the lotion containing nano silica to be formed by curing at least
Has the super-hydrophobicity abrasion-resistant clear coat for the coating structure that haves three layers.
8. the preparation method of super-hydrophobicity abrasion-resistant clear coat according to claim 7, it is characterised in that: including following step
It is rapid:
A. modified polyorganosiloxane and nano silica are mixed and made into dip-coating solution 1 and dip-coating solution 2 with solvent respectively；
B. by clean substrate prior to dip-coating in dip-coating solution 1, then the dip-coating in dip-coating solution 2 again, the total degree of dip-coating are
At least three times.
9. the preparation method of super-hydrophobicity abrasion-resistant clear coat according to claim 8, it is characterised in that:, will in step a
Modified polyorganosiloxane and nano silica first stir 10~60 minutes after being dissolved in solvent respectively, then ultrasonic treatment 10~
60 minutes formation dip-coating solution 1 and dip-coating solution 2.
10. the preparation method of super-hydrophobicity abrasion-resistant clear coat according to claim 9, it is characterised in that: in step b,
Clean sheet glass is slowly immersed in after standing 0.5~2min in dip-coating solution 1 and is taken out, it should after polysiloxanes solidification to be modified
Sheet glass is slowly immersed in dip-coating solution 2 again and takes out after 0.5~2min of standing, again immerses the sheet glass soak after the solvent is volatilized
Apply solution 2 in stand 0.5~2min after take out, finally by sheet glass temperature be 50~100 DEG C at solidify, obtained tool haves three layers
The super-hydrophobicity abrasion-resistant clear coat of coating structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910329366.6A CN110078387A (en) | 2019-04-23 | 2019-04-23 | Super-hydrophobicity abrasion-resistant clear coat and preparation method thereof |
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| CN201910329366.6A CN110078387A (en) | 2019-04-23 | 2019-04-23 | Super-hydrophobicity abrasion-resistant clear coat and preparation method thereof |
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| CN201910329366.6A Pending CN110078387A (en) | 2019-04-23 | 2019-04-23 | Super-hydrophobicity abrasion-resistant clear coat and preparation method thereof |
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| CN110776262A (en) * | 2019-12-02 | 2020-02-11 | 运城学院 | Hydrophobic coating material and preparation method thereof |
| CN111732345A (en) * | 2020-06-29 | 2020-10-02 | 几何智慧城市科技(广州)有限公司 | Method for rapidly preparing transparent super-hydrophobic composite coating at normal temperature |
| CN115558349A (en) * | 2022-10-28 | 2023-01-03 | 重庆交通大学 | Self-cleaning composite air purification coating and coating thereof |
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| CN111732345A (en) * | 2020-06-29 | 2020-10-02 | 几何智慧城市科技(广州)有限公司 | Method for rapidly preparing transparent super-hydrophobic composite coating at normal temperature |
| CN115558349A (en) * | 2022-10-28 | 2023-01-03 | 重庆交通大学 | Self-cleaning composite air purification coating and coating thereof |
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