CN110467359A - A kind of antifog glass and preparation method thereof - Google Patents
A kind of antifog glass and preparation method thereof Download PDFInfo
- Publication number
- CN110467359A CN110467359A CN201910795785.9A CN201910795785A CN110467359A CN 110467359 A CN110467359 A CN 110467359A CN 201910795785 A CN201910795785 A CN 201910795785A CN 110467359 A CN110467359 A CN 110467359A
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- layer
- fog
- glass
- antifog glass
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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
- C03C17/3405—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of organic materials
-
- 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
-
- 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
- C03C2218/112—Deposition methods from solutions or suspensions by spraying
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- Chemical & Material Sciences (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)
Abstract
The invention discloses a kind of antifog glass and preparation method thereof; the antifog glass includes hydroxylating substrate of glass; cross-linked layer, anti-fog layer and the protective layer prepared by hydrogel solvent displacement; anti-fog performance test is carried out to antifog glass of the present invention; and it is compared with untreated glass substrate; the anti-fog effect of antifog glass of the present invention is obvious, and is able to maintain and does not haze for a long time.Light transmittance test result shows that anti-fog coating influences the light transmittance of glassware less, even if the sample of coated with multiple layer anti-fog coating, to be still able to maintain 90% or more light transmittance.
Description
Technical field
The present invention relates to antifog glass technical field, a kind of antifog glass and preparation method thereof is particularly related to.
Background technique
The atomization of glass, which refers to, reaches saturation state when the water vapour in air is cooled to its dew point, in glass article surface
Condensation forms small drop, these drops are reflected and scattered to light, and the opaque phenomenon of glass is caused.Building glass
Glass window, bathroom mirror, glasses occur to be atomized can all bring inconvenience to life, and windshield, which hazes, gives traffic safety band
To seriously endanger.
Antifog glass just refers to that simple glass after special either physically or chemically processing, makes surface generate uniqueness
Physicochemical characteristics, glass surface mist formation is prevented, to reach the light transmittance of the visibility or glass that do not influence mirror image
Effect.The preparation method of antifog glass is broadly divided into two major classes: preparing hydrophobicity anti-fog coating or hydrophily in glass surface
Anti-fog coating.
Applicants have found that there are shortcomings for existing antifog glass, and such as: the duration is not grown, poor adhesion,
Abrasion resistant protective is poor.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of antifog glass and preparation method thereof, to solve the prior art
It is all or part of insufficient.
Based on a kind of above-mentioned purpose antifog glass provided by the invention, the antifog glass include at least one layer of cross-linked layer,
One anti-fog layer and a protective layer, the cross-linked layer and anti-fog layer are arranged alternately to form anti-fog coating, and the anti-fog coating is plated in base
It is cross-linked layer on bottom, the protective layer is coated on the most surface layer of the anti-fog coating, and the protective layer uses water-setting peptizing agent
Displacement method is prepared.
Optionally, the preparation method of the antifog glass includes the following steps, crosslinking is plated on the glass of surface hydroxylation
Layer carries out curing process；Anti-fog layer is plated away from the side of glass in cross-linked layer, curing process is carried out, obtains anti-fog coating；It will prevent
After mist coating is activated, hydrogel is coated, then curing process, obtains hydrogel clad, using PU lotion to institute
It states hydrogel clad and carries out solvent displacement reaction, obtain protective layer, after curing process, obtain antifog glass.
Optionally, described to be activated to act on 10~30min under ultrasound using cross-linking agent solution.
Optionally, the activation processing and the crosslinking agent that uses of cross-linked layer being total to for alkene derivatives and anhydride compound
Polymers；Wherein, the alkene derivatives include acrylic acid, acrylate, acrylamide, vinyl alkyl ethers, styrene and vinegar
One of vinyl acetate is a variety of；The anhydride compound includes aliphatic dicarboxylic acid acid anhydride, maleic anhydride, adjacent benzene two
At least one of formic anhydride, naphthalic anhydride, pyromellitic dianhydride, naphthalenetetracarbacidic acidic acid anhydride and tetracarboxylic acid anhydride.
Optionally, the anti-fog layer is hydrophilic coating, and the hydrophilic coating is the polymer rolled into a ball containing hydrophile function
Or monomer.
Optionally, the hydrogel is the Silica hydrogel and acrylamide mixtures that mass ratio is 1:3~7.
Optionally, the curing process is solidified using ultraviolet light irradiation, and irradiation time is 20~40min.
A kind of antifog glass provided by the invention and preparation method thereof includes at least one layer of cross-linked layer, an anti-fog layer and one
Protective layer, cross-linked layer and anti-fog layer are arranged alternately to form anti-fog coating, and it is cross-linked layer, protective layer in substrate that anti-fog coating, which is plated in,
It is coated on the most surface layer of anti-fog coating, protective layer is prepared using hydrogel solvent displacement, forms one layer in glass surface
The antifog film being made of gel and PU glue, wherein Silica hydrogel glue can effectively absorb water, and water reservation be played, so that being provided
Antifog glass be capable of the anti-fog function of long period, anti-fog performance test carried out to antifog glass of the present invention, and with it is untreated
Glass substrate comparison, the anti-fog effect of antifog glass of the present invention is obvious, and be able to maintain for a long time do not haze.Light transmittance test knot
Fruit shows that anti-fog coating influences less, even if the sample of coated with multiple layer anti-fog coating, still to protect on the light transmittance of glassware
Hold 90% or more light transmittance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of antifog glass in the embodiment of the present invention.
1- substrate of glass, 2- cross-linked layer, 3- anti-fog layer, 4- protective layer, 23- anti-fog coating.
Specific embodiment
For below by the description to embodiment, for example related manufacturing process of a specific embodiment of the invention and operation
Application method etc., is described in further detail, to help those skilled in the art to inventive concept of the invention, technical solution
There is more complete, accurate and deep understanding.
In order to solve the problems, such as that the antifog persistence of antifog glass, adhesion strength and abrasion resistant protective are poor in the prior art,
A kind of antifog glass provided by the invention, the antifog glass include at least one layer of cross-linked layer, an anti-fog layer and a protective layer, institute
It states cross-linked layer and anti-fog layer is arranged alternately to form anti-fog coating, it is cross-linked layer in substrate that the anti-fog coating, which is plated in, the guarantor
Sheath is coated on the most surface layer of the anti-fog coating, and the protective layer is prepared using hydrogel solvent displacement.
A kind of preparation method of antifog glass is provided simultaneously, cross-linked layer is plated on the glass of surface hydroxylation, is solidified
Processing；Anti-fog layer is plated away from the side of glass in cross-linked layer, curing process is carried out, obtains anti-fog coating；Anti-fog coating is carried out
After activation processing, hydrogel is coated, then curing process, obtains hydrogel clad, using PU lotion to the hydrogel packet
Coating carries out solvent displacement reaction, obtains protective layer, after curing process, obtains antifog glass.
Specifically, a kind of antifog glass that the embodiment of the present invention 1 provides, as shown in Figure 1, including substrate of glass 1, coating is solid
Change the cross-linked layer 2 in 1 hydroxylated surface of substrate of glass, plating is in cross-linked layer 2 away from the anti-fog layer 3 of 1 one side of substrate of glass and packet
The protective layer 4 on 3 surface of anti-fog layer is overlayed on, while cross-linked layer 2 and anti-fog layer 3 constitute anti-fog coating 23.
A kind of preparation method of antifog glass, first choose production mirror, eyeglass, auto mirror, window-glass,
One of optical instrument glass glass, specification are 1m × 1m, after glass washing, drying, carry out hydroxylating processing to glass,
Hydroxylated the specific method is as follows: glass being placed at 40~60 DEG C of temperature in hydrogen peroxide, ultrasound impregnates 30~40min, takes out
The hydrogen peroxide for rinsing away surface obtains hydroxylating glass, then chooses one side as front, coats and hand in the glass front of selection
Join agent, crosslinking agent is acrylate and aliphatic dicarboxylic acid acid anhydride mixture, and the mass ratio of the two is 1:1~3.After coating
The irradiation 30min of ultraviolet light, carry out crosslinking agent is solidified into crosslinking oxidant layer 2, then antifog in the surface plating of crosslinking oxidant layer
Layer, anti-fog layer is the hydrophilic coating of the polymer or monomer rolled into a ball containing hydrophile function, the irradiation in ultraviolet light after coating
20min, carries out the solidification for handing over anti-fog layer 3, is crosslinked oxidant layer 2 at this time and the coating structure for handing over anti-fog layer 3 to constitute is anti-fog coating 23,
Then the surface active that crosslinking agent identical with crosslinking oxidant layer 2 carries out anti-fog coating 23 is sprayed on the surface of anti-fog coating 23,
And 25min is handled under the action of ultrasound, supersonic frequency is 0.1~0.5MHz, and washing removes the crosslinking agent of excess surface, then
To the surface of anti-fog coating 23 coating by mass ratio be 1:5 Silica hydrogel and acrylamide mix hydrogel, after coating
The irradiation 35min of ultraviolet light carries out the solidification of hydrogel clad, then coats PU lotion to hydrogel cover surface,
Since the concentration of PU lotion is larger, the moisture filled in hydrogel clad within a grid is displaced, forms PU glue-gel structure
That is protective layer 4, wherein Silica hydrogel glue can effectively absorb water, and water reservation be played, so that provided antifog glass can
The anti-fog function of long period.Hydroxyl, carboxyl after activation in the hydroxyl group Yu hydrogel clad on 23 surface of anti-fog coating,
Amido greatly improves the adhesion strength between hydrogel clad and glass by hydrogen bond or Covalent bonding together, realizes water-setting
Glue clad secure adhesion and it is not easily to fall off.
Further, a kind of antifog glass that the embodiment of the present invention 2 provides and preparation method thereof is different with embodiment 1
It is anti-fog coating 23 in the embodiment of the present invention include that 2 layers of cross-linked layer and 2 anti-fog layers are arranged alternately.
Further, a kind of antifog glass that the embodiment of the present invention 3 provides and preparation method thereof is different with embodiment 1
It is anti-fog coating 23 in the embodiment of the present invention include that 3 layers of cross-linked layer and 3 anti-fog layers are arranged alternately.
Further, a kind of antifog glass that the embodiment of the present invention 4 provides and preparation method thereof is different with embodiment 1
It is the mixture that crosslinking agent in the embodiment of the present invention is vinylacetate and naphthalic anhydride that mass ratio is 1:1, hydrogel
The Silica hydrogel and acrylamide mixtures for being 1:3 for mass ratio.
Further, a kind of antifog glass that the embodiment of the present invention 5 provides and preparation method thereof is different with embodiment 2
It is the mixture that crosslinking agent in the embodiment of the present invention is vinylacetate and naphthalic anhydride that mass ratio is 1:1, hydrogel
The Silica hydrogel and acrylamide mixtures for being 1:3 for mass ratio.
Further, a kind of antifog glass that the embodiment of the present invention 6 provides and preparation method thereof is different with embodiment 3
It is the mixture that crosslinking agent in the embodiment of the present invention is vinylacetate and naphthalic anhydride that mass ratio is 1:1, hydrogel
The Silica hydrogel and acrylamide mixtures for being 1:3 for mass ratio.
Further, a kind of antifog glass that the embodiment of the present invention 7 provides and preparation method thereof is different with embodiment 6
It is hydrogel in the embodiment of the present invention is the Silica hydrogel and acrylamide mixtures that mass ratio is 1:7.
Anti-fog performance test
Antifog glass prepared by Examples 1 to 7 is placed in -18 DEG C of refrigerator and freezes 1h, is placed after being taken out in refrigerator
In in 100 DEG C of thermal station, glass surface fog situation is observed, and compare using general glass, test data such as 1 institute of table
Show.
1 sample of table hazes test
The data of table 1 show that antifog glass does not have the formation of mist under the conditions of temperature shock, it was demonstrated that have good
Anti-fog performance.
The test of light transmittance is also carried out to the antifog glass of Examples 1 to 3 preparation simultaneously, test data shows embodiment 1
The light transmittance of the antifog glass of~3 preparations is respectively 95.6%, 92.3%, 91.5%, illustrates there is good translucency.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, above embodiments
Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and be existed such as
Many other variations of the upper different aspect of the invention, for simplicity, they are not provided in details.
The embodiment of the present invention be intended to cover fall into all such replacements within the broad range of appended claims,
Modifications and variations.Therefore, all within the spirits and principles of the present invention, any omission, modification, equivalent replacement, the improvement made
Deng should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of antifog glass, which is characterized in that the antifog glass includes at least one layer of cross-linked layer, an anti-fog layer and a protection
Layer, the cross-linked layer and anti-fog layer are arranged alternately to form anti-fog coating, and it is cross-linked layer in substrate that the anti-fog coating, which is plated in, institute
The most surface layer that protective layer is coated on the anti-fog coating is stated, the protective layer is prepared using hydrogel solvent displacement.
2. antifog glass according to claim 1, which is characterized in that the preparation method of the antifog glass includes following step
Suddenly, cross-linked layer is plated on the glass of surface hydroxylation, carries out curing process；Anti-fog layer is plated away from the side of glass in cross-linked layer,
Curing process is carried out, anti-fog coating is obtained；After anti-fog coating is activated, hydrogel is coated, then curing process, obtains
To hydrogel clad, solvent displacement reaction is carried out to the hydrogel clad using PU lotion, obtains protective layer, at solidification
After reason, antifog glass is obtained.
3. antifog glass according to claim 2, which is characterized in that described to be activated to be surpassed using cross-linking agent solution
10~30min is acted under sound.
4. antifog glass according to claim 2 or 3, which is characterized in that the friendship of the activation processing and cross-linked layer use
Join the copolymer that agent is alkene derivatives and anhydride compound；Wherein, the alkene derivatives include acrylic acid, acrylic acid
One of ester, acrylamide, vinyl alkyl ethers, styrene and vinylacetate are a variety of；The anhydride compound packet
Include aliphatic dicarboxylic acid acid anhydride, maleic anhydride, phthalic anhydride, naphthalic anhydride, pyromellitic dianhydride, naphthalenetetracarbacidic acidic acid anhydride
At least one of with tetracarboxylic acid anhydride.
5. antifog glass according to claim 2, which is characterized in that the anti-fog layer is hydrophilic coating, described hydrophilic
Property coating is the polymer or monomer rolled into a ball containing hydrophile function.
6. antifog glass according to claim 2, which is characterized in that the hydrogel is that the silicon that mass ratio is 1:3~7 is solidifying
Glue and acrylamide mixtures.
7. antifog glass according to claim 2, which is characterized in that the curing process is consolidated using ultraviolet light irradiation
Change, irradiation time is 20~40min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910795785.9A CN110467359A (en) | 2019-08-27 | 2019-08-27 | A kind of antifog glass and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910795785.9A CN110467359A (en) | 2019-08-27 | 2019-08-27 | A kind of antifog glass and preparation method thereof |
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| CN110467359A true CN110467359A (en) | 2019-11-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960910A (en) * | 2021-01-29 | 2021-06-15 | 深圳市宏海福新材料有限公司 | Long-acting easy-to-clean antifogging glass lens and manufacturing method thereof |
| CN113105121A (en) * | 2020-01-13 | 2021-07-13 | 维达力实业（赤壁）有限公司 | 3D glass cover plate and manufacturing method thereof |
| CN113942278A (en) * | 2021-11-25 | 2022-01-18 | 常德市铭源光学仪器有限公司 | Antifogging glass and preparation method and application thereof |
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| CN113105121A (en) * | 2020-01-13 | 2021-07-13 | 维达力实业（赤壁）有限公司 | 3D glass cover plate and manufacturing method thereof |
| CN112960910A (en) * | 2021-01-29 | 2021-06-15 | 深圳市宏海福新材料有限公司 | Long-acting easy-to-clean antifogging glass lens and manufacturing method thereof |
| CN113942278A (en) * | 2021-11-25 | 2022-01-18 | 常德市铭源光学仪器有限公司 | Antifogging glass and preparation method and application thereof |
| CN113942278B (en) * | 2021-11-25 | 2022-06-21 | 常德市铭源光学仪器有限公司 | Antifogging glass and preparation method and application thereof |
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