CN108034285A - A kind of normal temperature cured type nano self-cleaning antireflective coating liquid and preparation method thereof - Google Patents
A kind of normal temperature cured type nano self-cleaning antireflective coating liquid and preparation method thereof Download PDFInfo
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- CN108034285A CN108034285A CN201810018533.0A CN201810018533A CN108034285A CN 108034285 A CN108034285 A CN 108034285A CN 201810018533 A CN201810018533 A CN 201810018533A CN 108034285 A CN108034285 A CN 108034285A
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
Abstract
A kind of normal temperature cured type nano self-cleaning antireflective coating liquid and preparation method thereof, including anatase titanium dioxide, silica, tin-antiomony oxide, silane coupling agent, surfactant and solvent；By proportioning, anatase titanium dioxide aqueous dispersions and silica alcohol dispersion liquid are sufficiently mixed, surfactant and silane coupling agent are added, when stirring 1 is small；Then tin-antiomony oxide dispersion liquid is added, is sufficiently stirred, obtains normal temperature cured type nano self-cleaning coating liquid that is transparent and stablizing.Normal temperature cured type nano self-cleaning antireflective coating liquid provided by the invention, cost of material is low, and operation temperature is low, and equipment is simple, pollution-free, is easy to industrialized production；Normal temperature cure, without high temperature sintering, it is extremely convenient to be used as room temperature automatically cleaning product；And have the characteristics that stability is good and transparent；Lifting obtained film has automatically cleaning and anti-fog performance.
Description
Technical field
The present invention relates to a kind of preparation method of normal temperature cured type nano self-cleaning coating liquid, particularly one kind contains nanometer
The normal temperature cure of the low reflecting component of silica, nano-titanium dioxide automatically cleaning component and nano antimony tin oxide antistatic ingredient
The preparation method of automatically cleaning antireflective coating liquid.
Background technology
Titanium dioxide because with good photocatalytic activity, self-cleaning property and it is anti-fog properties have received widespread attention, but by
Cause its utilization rate to sunlight not high in the wider energy gap of titanium dioxide, its high refractive index causes its transmitance not
Height, therefore usually need to add other inorganic compound nano-particles and be modified, but it is directly added to TiO 2 sol
In, since nano-particle is respectively provided with high surface energy and big specific surface area, it is easily reunited, and then cause inorganization
Compound nano-particle disperses uneven and sedimentation in TiO 2 sol.In addition, titanium dioxide prepared by sol-gal process is molten
After glue coating film forming, it is necessary to the anatase titanium dioxide with super parents' performance can be just converted into by high-temperature heat treatment, is needed
More thermal energy is expended, causes the problems such as equipment investment cost rises, production procedure is long, amount of energy consumption is big；And much make
With high-temperature heat treatment is difficult to realize under occasion, industrialization practicality is poor.Other preparation methods, such as magnetron sputtering, chemical gaseous phase
Deposition etc., prepared self-cleaning film are required for the high-temperature heat treatment by 500 DEG C, and in film Anatase content
It is low.In Chinese invention patent（Application number 200610019338.7）In propose automatically cleaning glass prepared using magnetron sputtering technique
Glass, will pass through 500 DEG C of high-temperature process 30 ~ 60 minutes, and just with good hydrophily, therefore this method is of high cost, cost
Greatly.
The content of the invention
The object of the present invention is to provide a kind of normal temperature cured type automatically cleaning antireflective coating liquid and preparation method thereof, compensate for
Nano-particle easily occurs to reunite and TiO2The defects such as visible region transmissivity is low, at the same solve hot setting type coating liquid can not
The solidification temperature of solution is high, the problem of production procedure length.
The present invention is achieved by the following technical solutions.
A kind of normal temperature cured type automatically cleaning antireflective coating liquid of the present invention, its component are：Detitanium-ore-type titanium dioxide
Titanium, silica, tin-antiomony oxide, silane coupling agent, surfactant and solvent, wherein, anatase type nano two in coating liquid
The mass percentage content of titanium oxide dispersion liquid is 44-50%, and the mass percentage content of silica dispersions is 36-40%,
The mass percentage content of tin-antiomony oxide dispersion liquid is 10-19%, and the mass percentage content of silane coupling agent is 0.1-0.2%,
The mass percentage content of surfactant is 0.01-0.015%.
The preparation method of a kind of normal temperature cured type nano self-cleaning antireflective coating liquid of the present invention, by following step
Suddenly：It is 1 ~ 2 g/l by anatase titanium dioxide aqueous dispersions and concentration that concentration is 3 ~ 5g/l by said ratio under room temperature
Silica alcohol dispersion liquid be sufficiently mixed, add surfactant total amount 10 ~ 20% and silane coupling agent total amount 10 ~
20%, when stirring 1 is small；Then the tin-antiomony oxide dispersion liquid that concentration is 0.5 ~ 0.8 g/l is added, is sufficiently stirred, obtains transparent and steady
Fixed normal temperature cured type nano self-cleaning coating liquid.
The anatase-type nanometer titanium dioxide dispersion liquid is that anatase titanium dioxide powder is dissolved in deionized water
In obtain；Wherein, the grain diameter of titanium dioxide powder is less than 10 nanometers.
The silica dispersions are that silicon-dioxide powdery is dissolved in ethanol to obtain；Wherein, silicon-dioxide powdery
Grain diameter be less than 10 nanometers.
The preparation method of the tin-antiomony oxide dispersion liquid is：Remaining silane coupling agent is added in ethanol, is stirred
Uniformly, tin-antiomony oxide powder and remaining surfactant are then added, is sufficiently stirred, obtains tin-antiomony oxide dispersion liquid；Wherein,
The grain diameter of tin-antiomony oxide powder is less than 20 nanometers.
The silane coupling agent is to contain one kind in the hydrophilic functional groups such as hydroxyl, amino or carboxyl.It is preferred that
KH550。
The surfactant is polyethylene glycol, preferably PEG2000.
The solvent is second alcohol and water.
Normal temperature cured type nano self-cleaning antireflective coating liquid provided by the invention, cost of material is low, and operation temperature is low, if
It is standby simple, it is pollution-free, it is easy to industrialized production；Normal temperature cure, without high temperature sintering, uses extremely as room temperature automatically cleaning product
It is convenient；And have the characteristics that stability is good and transparent；Lifting obtained film has automatically cleaning and anti-fog performance.
Brief description of the drawings
Fig. 1 is the water contact angle of the normal temperature cured type nano self-cleaning film of the embodiment of the present invention.
Fig. 2 is the anti-fog performance design sketch of the normal temperature cured type nano self-cleaning film of the embodiment of the present invention.
Embodiment
The present invention will be described further by following embodiments.
Embodiment 1：Under room temperature, 0.12 g TiO are taken2Add in 40 ml deionized waters, when magnetic agitation 1 is small, obtain TiO2
Dispersion liquid；Take 0.04 g SiO2Add in 36 ml ethanol, when magnetic agitation 1 is small, obtain SiO2Dispersion liquid；Take 0.1 ml silane
Coupling agent is added in 12 ml absolute ethyl alcohols, adds 9.5 mg tin-antiomony oxides and 9.5 mg polyethylene glycol, magnetic agitation 30 is divided
Clock, obtains tin-antiomony oxide dispersion liquid.First two dispersion liquid is mixed, adds the polyethylene glycol of 1 mg（Mw=2000）With 0.1 ml
Silane coupling agent, when stirring 1 is small, then adds tin-antiomony oxide dispersion liquid, continues stirring 30 minutes, obtains transparent and stablizes normal
Warm curing type nano automatically cleaning coating liquid.
Embodiment 2：Under room temperature, 0.06 g TiO are taken2Add in 22 ml deionized waters, when magnetic agitation 1 is small, obtain
TiO2Dispersion liquid；Take 0.02 g SiO2Add in 18 ml ethanol, when magnetic agitation 1 is small, obtain SiO2Dispersion liquid；Take 0.1 ml
Silane coupling agent adds 12 ml absolute ethyl alcohols, adds 6 mg tin-antiomony oxides and 6 mg polyethylene glycol, magnetic agitation 30 minutes,
Obtain tin-antiomony oxide dispersion liquid.First two dispersion liquid is mixed, adds the polyethylene glycol of 0.5 mg（Mw=2000）With 0.05 ml
Silane coupling agent, when stirring 1 is small, then adds tin-antiomony oxide dispersion liquid, continues stirring 30 minutes, obtains transparent and stablizes normal
Warm curing type nano automatically cleaning coating liquid.
Embodiment 3：Under room temperature, 0.06 g TiO are taken2Add in 22 ml deionized waters, when magnetic agitation 1 is small, obtain
TiO2Dispersion liquid；Take 0.02 g SiO2Add in 18 ml ethanol, when magnetic agitation 1 is small, obtain SiO2Dispersion liquid；0.1ml is taken to gather
Siloxanes adds 6 ml absolute ethyl alcohols, adds 4 mg tin-antiomony oxides and 4 mg polyethylene glycol, magnetic agitation 30 minutes, obtains
Tin-antiomony oxide dispersion liquid.First two dispersion liquid is mixed, adds 0.4 mg polyethylene glycol（Mw=2000）It is even with 0.05 ml silane
Join agent, when stirring 1 is small, then add tin-antiomony oxide dispersion liquid, continue stirring 30 minutes, obtain normal temperature cure that is transparent and stablizing
Type nano self-cleaning coating liquid.
Claims (4)
- A kind of 1. normal temperature cured type automatically cleaning antireflective coating liquid, it is characterized in that component is：Anatase titanium dioxide, titanium dioxide Silicon, tin-antiomony oxide, silane coupling agent, surfactant and solvent, wherein, anatase-type nanometer titanium dioxide disperses in coating liquid The mass percentage content of liquid is 44-50%, and the mass percentage content of silica dispersions is 36-40%, and tin-antiomony oxide divides The mass percentage content of dispersion liquid is 10-19%, and the mass percentage content of silane coupling agent is 0.1-0.2%, surfactant Mass percentage content be 0.01-0.015%.
- A kind of 2. preparation method of normal temperature cured type nano self-cleaning antireflective coating liquid, it is characterized in that according to the following steps：Room temperature Under, by said ratio, the titanium dioxide for being 1 ~ 2 g/l by anatase titanium dioxide aqueous dispersions and concentration that concentration is 3 ~ 5g/l Silicon alcohol dispersion liquid is sufficiently mixed, and adds the 10 ~ 20% of 10 ~ 20% and silane coupling agent total amount of surfactant total amount, stirring 1 Hour；Then the tin-antiomony oxide dispersion liquid that concentration is 0.5 ~ 0.8 g/l is added, is sufficiently stirred, obtains room temperature that is transparent and stablizing Curing type nano automatically cleaning coating liquid；The anatase-type nanometer titanium dioxide dispersion liquid is that anatase titanium dioxide powder is dissolved in deionized water to obtain Arrive；Wherein, the grain diameter of titanium dioxide powder is less than 10 nanometers；The silica dispersions are that silicon-dioxide powdery is dissolved in ethanol to obtain；Wherein, of silicon-dioxide powdery Grain particle diameter is less than 10 nanometers；The preparation method of the tin-antiomony oxide dispersion liquid is：Remaining silane coupling agent is added in ethanol, is stirred evenly, Then tin-antiomony oxide powder and remaining surfactant are added, is sufficiently stirred, obtains tin-antiomony oxide dispersion liquid；Wherein, aoxidize The grain diameter of tin antimony powder body is less than 20 nanometers；The silane coupling agent is to contain one kind in hydroxyl, amino or carboxylated hydrophilic functional group；The surfactant is polyethylene glycol.
- 3. a kind of preparation method of normal temperature cured type nano self-cleaning antireflective coating liquid according to claim 1, it is special Sign is that the silane coupling agent is KH550.
- 4. a kind of preparation method of normal temperature cured type nano self-cleaning antireflective coating liquid according to claim 1, it is special Sign is that the surfactant is PEG2000.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401417A (en) * | 2018-10-23 | 2019-03-01 | 广州迪奕科环保科技有限公司 | A kind of photocatalyst coating liquid component and preparation method |
| CN110484031A (en) * | 2019-08-29 | 2019-11-22 | 合众软工(北京)信息技术有限公司 | A kind of super hydrophilic coating, preparation method and the application of high adhesion force |
| CN110982325A (en) * | 2019-12-31 | 2020-04-10 | 上海特栎材料科技有限公司 | Antireflection, antistatic and super-hydrophilic coating composition, coating and product |
| CN111908803A (en) * | 2020-08-05 | 2020-11-10 | 河北冠靶科技有限公司 | Super-hydrophilic and high-wear-resistance film layer and preparation method thereof |
| CN112521775A (en) * | 2020-12-30 | 2021-03-19 | 江南大学 | Preparation method of composite nano powder and coating for preparing anti-reflection and transparent heat-insulation coating |
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Cited By (7)
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| CN109401417A (en) * | 2018-10-23 | 2019-03-01 | 广州迪奕科环保科技有限公司 | A kind of photocatalyst coating liquid component and preparation method |
| CN110484031A (en) * | 2019-08-29 | 2019-11-22 | 合众软工(北京)信息技术有限公司 | A kind of super hydrophilic coating, preparation method and the application of high adhesion force |
| CN110982325A (en) * | 2019-12-31 | 2020-04-10 | 上海特栎材料科技有限公司 | Antireflection, antistatic and super-hydrophilic coating composition, coating and product |
| CN110982325B (en) * | 2019-12-31 | 2021-09-14 | 宁波特粒科技有限公司 | Antireflection, antistatic and super-hydrophilic coating composition, coating and product |
| CN111908803A (en) * | 2020-08-05 | 2020-11-10 | 河北冠靶科技有限公司 | Super-hydrophilic and high-wear-resistance film layer and preparation method thereof |
| CN111908803B (en) * | 2020-08-05 | 2022-09-30 | 河北冠靶科技有限公司 | Super-hydrophilic and high-wear-resistance film layer and preparation method thereof |
| CN112521775A (en) * | 2020-12-30 | 2021-03-19 | 江南大学 | Preparation method of composite nano powder and coating for preparing anti-reflection and transparent heat-insulation coating |
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Application publication date: 20180515 |