CN111826007A - Long-acting self-cleaning composition for glass surface - Google Patents

Long-acting self-cleaning composition for glass surface Download PDF

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Publication number
CN111826007A
CN111826007A CN202010743993.7A CN202010743993A CN111826007A CN 111826007 A CN111826007 A CN 111826007A CN 202010743993 A CN202010743993 A CN 202010743993A CN 111826007 A CN111826007 A CN 111826007A
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long
cleaning composition
nano
acting self
glass surfaces
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龚红升
黄晓
吴旭
郭伟
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Sanjiang Technology Co ltd
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Sanjiang Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16—Antifouling paints; Underwater paints
    • C09D5/1687—Use of special additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24—Electrically-conducting paints
    • 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
    • C03C2217/40—Coatings comprising at least one inhomogeneous layer
    • 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
    • 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
    • C03C2217/71—Photocatalytic coatings
    • 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
    • C03C2217/73—Anti-reflective coatings with specific characteristics
    • C03C2217/732—Anti-reflective coatings with specific characteristics made of a single layer

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Surface Treatment Of Glass (AREA)

Abstract

The invention discloses a long-acting self-cleaning composition for a glass surface, and aims to provide a long-acting self-cleaning composition for a glass surface, which has the advantages of static resistance, self-cleaning, wide-spectrum antireflection, high transmittance, durability and high activity; the technical scheme is as follows: the composition consists of the following substances in parts by weight: 0.5-5 parts of nano titanium dioxide, 1-10 parts of nano silicon dioxide mixture, 0.1-5 parts of inorganic sol, 0.001-0.01 part of conductive agent, 0.01-0.1 part of metal salt, 0.01-2 parts of catalyst, 0.01-1 part of acid and 80-99 parts of solvent; belongs to the field of glass coating.

Description

Long-acting self-cleaning composition for glass surface
Technical Field
The invention discloses a long-acting self-cleaning composition for a glass surface, in particular to a long-acting self-cleaning composition for a glass surface, and belongs to the field of glass coatings.
Background
Glass is widely used in important outdoor locations such as windows, solar tubes, photovoltaic panels, windshields, and greenhouses because of its transparency and aesthetic properties. The application of the glass brings wide visual field and beauty to people and simultaneously brings a lot of problems to people: (1) a large amount of cleaning work needs a large amount of manpower resources, and the use cost of the glass is increased; (2) the curtain wall of the high building needs to work high above the ground, the danger coefficient is high, and casualties are easily caused; (3) the use of a large amount of high-strength detergent requires a large amount of water for washing, which wastes water resources and produces waste water which pollutes the environment. Therefore, how to improve the self-cleaning performance of the glass has a very high market application prospect.
The self-cleaning glass can automatically keep the surface of the glass clean by utilizing sunlight, air and rainwater, and the TiO2 film or other semiconductor film plated on the surface of the glass can decompose organic matters in the air to purify the air and catalyze oxygen in the air to change the oxygen into negative oxygen ions, so that the air is fresh, and bacteria on the surface of the glass and bacteria in the air can be killed.
Disclosure of Invention
The invention aims to provide a long-acting self-cleaning composition with antistatic property, self-cleaning property, wide spectrum antireflection, high transmittance, durability and high activity for glass surfaces.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the long-acting self-cleaning composition for the glass surface comprises the following substances in parts by weight:
Figure BDA0002607711800000021
further, the long-acting self-cleaning composition for the glass surface comprises the following substances in parts by weight:
Figure BDA0002607711800000022
further, the particle size of the nano titanium dioxide is 1-20 nm.
Further, the nano silicon dioxide mixture is formed by mixing nano silicon dioxide with the particle size of 1-10nm and nano silicon dioxide with the particle size of 10-50 nm.
Further, in the long-acting self-cleaning composition for glass surfaces, the inorganic sol is one or any combination of silica sol, aluminum sol, zirconium sol, antimony sol and titanium sol.
Further, in the long-acting self-cleaning composition for glass surfaces, the conductive agent is one or any combination of conductive carbon black, conductive graphite, graphene, single-walled carbon nanotubes, nano tin oxide, ATO and ITO.
Further, in the long-acting self-cleaning composition for glass surfaces, the metal salt is one or any combination of sodium chloride, potassium nitrate, sodium carbonate, potassium carbonate and copper chloride.
Further, in the long-acting self-cleaning composition for the glass surface, the catalyst is one or any combination of platinum-doped nano-silica, platinum-doped nano-titania, palladium-doped nano-silica, palladium-doped nano-titania, vanadium-doped nano-silica and vanadium-doped nano-titania.
Further, in the long-acting self-cleaning composition for glass surfaces, the acid is one of hydrochloric acid, glacial acetic acid, sulfuric acid, nitric acid, perchloric acid and phosphoric acid or any combination thereof.
Further, in the long-acting self-cleaning composition for glass surfaces, the solvent is water and any one or more of methanol, ethanol, isopropanol, butanol, isobutanol, ethylene glycol ethyl ether and acetylacetone.
Compared with the prior art, the technical scheme provided by the invention has the following technical advantages:
1. according to the technical scheme provided by the invention, the hydrophilic surface is added with a trace amount of conductive agent to enable the material to have electric and self-cleaning functions, but the hydrophilic surface is easy to absorb oil stains, and the compound titanium dioxide decomposes organic substances in the hydrophilic surface, so that the material can be self-cleaned when meeting water even if stains are attached to the material, and the light transmittance and self-cleaning property of the material surface are always kept; in order to solve the problems that the titanium dioxide only plays a role in an ultraviolet environment and does not have a self-cleaning function in a dark condition, the catalyst is compounded in the scheme of the application, so that the wavelength range of light causing the titanium dioxide to play a role in decomposition is widened, and the activity time of the titanium dioxide can be prolonged by the platinum microparticles, so that the coating also has a self-cleaning effect in the dark condition.
2. According to the technical scheme provided by the invention, due to the super-hydrophilicity of the surface of the formed coating, the generation of static electricity on the surface of the base material can be inhibited, so that dust is not easy to adsorb on the surface of the base material.
3. The technical scheme provided by the invention adopts nano particles to form a micro concave-convex structure with the thickness of less than 50nm on the surface of an object, and the anti-reflection glass and the anti-reflection are adopted.
4. The technical scheme provided by the invention is suitable for realizing the self-cleaning function on the surfaces of glass such as photovoltaic glass, glass curtain walls and the like, reduces the times of manual cleaning, and improves the generating capacity of a photovoltaic solar panel and the cleanliness of the glass curtain walls.
Detailed Description
The technical solution of the present invention is further described below with reference to specific examples, but the present invention is not limited to the following examples. It is noted that, unless otherwise indicated, the various components used in the present invention are all materials known in the art, and are either commercially available or prepared by known methods.
Example 1
The invention provides a long-acting self-cleaning composition for glass surfaces, which comprises the following substances in parts by weight per 100 g: 1.5g of nano titanium dioxide (with the particle size of 10nm), 1.5g of 10nm nano silicon dioxide, 1g of 50nm nano silicon dioxide, 0.8g of silica sol, 0.2g of zirconium sol, 0.005g of nano tin oxide, 0.02g of potassium chloride, 0.5g of platinum-doped nano titanium dioxide, 0.05g of hydrochloric acid, 10g of ethanol and the balance of water.
Example 2
The invention provides a long-acting self-cleaning composition for glass surfaces, which comprises the following substances in parts by weight per 100 g: 5g of nano titanium dioxide (with the particle size of 5nm), 5g of 1nm nano silicon dioxide and 5g of 20nm nano silicon dioxide, 1g of silica sol, 1g of antimony sol, 1g of titanium sol, 0.001g of single-walled carbon nanotube, 0.01g of potassium nitrate, 0.01g of sodium carbonate, 0.02g of platinum-doped nano silicon dioxide, 0.03g of platinum-doped nano titanium dioxide, 0.01g of sulfuric acid, 15g of methanol, 25g of ethanol and the balance of water.
Example 3
The invention provides a long-acting self-cleaning composition for glass surfaces, which comprises the following substances in parts by weight per 100 g: 0.5g of nano titanium dioxide (with the particle size of 1nm), 0.5g of 10nm nano silicon dioxide, 5g of 30nm nano silicon dioxide, 0.05g of silica sol, 0.05g of aluminum sol, 0.01g of nano tin oxide, 0.1g of sodium carbonate, 0.01g of vanadium-doped nano silicon dioxide, 1g of glacial acetic acid, 35g of methanol and the balance of water.
Example 4
The invention provides a long-acting self-cleaning composition for glass surfaces, which comprises the following substances in parts by weight per 100 g: 2g of nano titanium dioxide (with the particle size of 20nm), 2g of 5nm nano silicon dioxide, 2g of 20nm nano silicon dioxide, 2g of titanium sol, 0.001g of conductive graphite, 0.001g of single-walled carbon nanotube, 0.05g of sodium chloride, 0.7g of vanadium-doped nano titanium dioxide, 0.05g of phosphoric acid, 25g of isopropanol, 25g of ethylene glycol ethyl ether and the balance of water.
Example 5
The invention provides a long-acting self-cleaning composition for glass surfaces, which comprises the following substances in parts by weight per 100 g: 1g of nano titanium dioxide (with the particle size of 10nm), 1.5g of 7nm nano silicon dioxide, 2.5g of 50nm nano silicon dioxide, 2g of zirconium sol, 0.002g of ATO, 0.001g of ITO, 0.04g of copper chloride, 1g of palladium-doped nano titanium dioxide, 0.001g of nitric acid, 0.001g of perchloric acid, 20g of ethylene glycol ethyl ether, 30g of acetylacetone and the balance of water.
In order to better illustrate the advantages of the technical solution provided by the present invention, the following are given of the comparative examples of the present invention and the test data thereof, specifically as follows:
comparative example 1
The other components of this example were in accordance with example 1, except that the same amount of nano-silica was used instead of nano-titania.
Comparative example 2
The other components of this example were in accordance with example 1, except that the nano tin oxide was replaced with an equal amount of water.
Comparative example 3
The other components of this example were in accordance with example 1 except that the nano-titania was doped with the same amount of titania as that of the nano-titania platinum.
The products shown in examples 1 to 5 and comparative examples 1 to 3 of the invention are applied by spraying, rolling and other coating methods, and are naturally dried or baked at 120 ℃ for 15 minutes.
The products of examples 1 to 5 of the present invention and comparative examples 1 to 3 were sprayed on glass of the same material under the same conditions, and the test results are shown in Table 1.
TABLE 1
Figure BDA0002607711800000061
The table shows that the technical scheme provided by the invention has good film forming property, abrasion resistance, anti-reflection permeability, hydrophilicity, self-cleaning property, ash absorption resistance, long self-cleaning effect and high hardness.

Claims (10)

1. The long-acting self-cleaning composition for the glass surface is characterized by comprising the following substances in parts by weight:
Figure FDA0002607711790000011
2. the long-acting self-cleaning composition for glass surfaces as claimed in claim 1, which is composed of the following materials in parts by weight:
Figure FDA0002607711790000012
3. the long-acting self-cleaning composition for glass surfaces as claimed in claim 1, wherein the nano titanium dioxide has a particle size of 1-20 nm.
4. The long-acting self-cleaning composition for glass surfaces as claimed in claim 1, wherein the nano-silica mixture is prepared by mixing nano-silica with a particle size of 1-10nm and nano-silica with a particle size of 10-50 nm.
5. The long-acting self-cleaning composition for glass surfaces according to claim 1, wherein the inorganic sol is one of silica sol, aluminum sol, zirconium sol, antimony sol and titanium sol or any combination thereof.
6. The long-acting self-cleaning composition for glass surfaces as claimed in claim 1, wherein the conductive agent is one or any combination of conductive carbon black, conductive graphite, graphene, single-walled carbon nanotubes, nano tin oxide, ATO and ITO.
7. The long-acting self-cleaning composition for glass surfaces according to claim 1, wherein the metal salt is one of sodium chloride, potassium nitrate, sodium carbonate, potassium carbonate, copper chloride or any combination thereof.
8. The long-acting self-cleaning composition for glass surfaces as claimed in claim 1, wherein the catalyst is one or any combination of platinum-doped nano-silica, platinum-doped nano-titania, palladium-doped nano-silica, palladium-doped nano-titania, vanadium-doped nano-silica and vanadium-doped nano-titania.
9. The long-acting self-cleaning composition for glass surfaces according to claim 1, wherein the acid is one of hydrochloric acid, glacial acetic acid, sulfuric acid, nitric acid, perchloric acid, phosphoric acid, or any combination thereof.
10. The long-acting self-cleaning composition for glass surfaces according to claim 1, wherein the solvent is water in combination with any one or more of methanol, ethanol, isopropanol, butanol, isobutanol, ethylene glycol ethyl ether, and acetylacetone.
CN202010743993.7A 2020-07-29 2020-07-29 Long-acting self-cleaning composition for glass surface Pending CN111826007A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112708345A (en) * 2021-01-21 2021-04-27 蒋勇 Nano self-cleaning antibacterial coating and preparation process thereof
CN113583488A (en) * 2021-08-16 2021-11-02 几何智慧城市科技(广州)有限公司 Photovoltaic dustproof hydrophilic self-cleaning material and preparation method thereof

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CN101440255A (en) * 2007-11-20 2009-05-27 泉耀科技股份有限公司 Transparent water-based nano sol gel coating without lowered light permeability of transparent base material
US8927437B2 (en) * 2009-07-03 2015-01-06 National Tsing Hua University Antireflection structures with an exceptional low refractive index and devices containing the same
CN103613283A (en) * 2013-11-21 2014-03-05 南通博凯新能源科技有限公司 Preparation method of SiO2-TiO2 inorganic anti-reflection film
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112708345A (en) * 2021-01-21 2021-04-27 蒋勇 Nano self-cleaning antibacterial coating and preparation process thereof
CN113583488A (en) * 2021-08-16 2021-11-02 几何智慧城市科技(广州)有限公司 Photovoltaic dustproof hydrophilic self-cleaning material and preparation method thereof

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Application publication date: 20201027