CN111548655A - Super-hydrophilic transparent anti-static self-cleaning coating composition and preparation method thereof - Google Patents
Super-hydrophilic transparent anti-static self-cleaning coating composition and preparation method thereof Download PDFInfo
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- CN111548655A CN111548655A CN202010346657.9A CN202010346657A CN111548655A CN 111548655 A CN111548655 A CN 111548655A CN 202010346657 A CN202010346657 A CN 202010346657A CN 111548655 A CN111548655 A CN 111548655A
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- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
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- 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
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Abstract
The invention belongs to the technical field of super-hydrophilic materials, and particularly relates to a super-hydrophilic transparent anti-static self-cleaning coating composition and a preparation method thereof. The hydrophilic material solves the technical problems of poor adhesion and the like of the existing hydrophilic material. The super-hydrophilic transparent antistatic self-cleaning coating composition comprises the following components in parts by weight: deionized water: alcohol solvent: single-layer graphene: amino silane coupling agent: and (3) silica sol is 5-10: 10-20: 100: 0.01-0.1: 1-2: 10 to 20. The invention has the advantages that: the composite photocatalyst has super-hydrophilic property and high adhesive force to glass base materials, and solves the problem of adhesive force by compounding the photocatalyst.
Description
Technical Field
The invention belongs to the technical field of super-hydrophilic materials, and particularly relates to a super-hydrophilic transparent anti-static self-cleaning coating composition and a preparation method thereof.
Background
The existing transparent self-cleaning coating is mainly divided into two types of hydrophobic coating and hydrophilic coating, the hydrophobic coating generally has the defects of hydrophilic oil stain and fast effect attenuation, and the hydrophilic coating has the problems of complex coating process and poor adhesive force. Meanwhile, the existing self-cleaning coating generally does not have an antistatic function.
Disclosure of Invention
The invention aims to solve the problems and provides a super-hydrophilic transparent anti-static self-cleaning coating composition and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the super-hydrophilic transparent antistatic self-cleaning coating composition comprises the following components in parts by weight: deionized water: alcohol solvent: single-layer graphene: amino silane coupling agent: and (3) silica sol is 5-10: 10-20: 100: 0.01-0.1: 1-2: 10 to 20.
The super-hydrophilic transparent antistatic self-cleaning coating composition comprises the following components in parts by weight: deionized water: alcohol solvent: single-layer graphene: amino silane coupling agent: 5-10% of water glass: 10-20: 100: 0.01-0.1: 1-2: 10 to 20.
Preferably, the tetrafunctional silicate is any one or more of methyl orthosilicate, ethyl orthosilicate, isopropyl orthosilicate and the like.
The alcohol solvent is ethanol, but other alcohol solvents may be used.
The preparation method of the super-hydrophilic transparent antistatic self-cleaning coating composition comprises the following steps:
s1, preparing materials, namely preparing raw materials of the following components in proportion, namely, tetra-functional group silicate: deionized water: alcohol solvent: single-layer graphene: amino silane coupling agent: and (3) silica sol is 5-10: 10-20: 100: 0.01-0.1: 1-2: 10-20;
s2, carrying out 2-hour treatment on the single-layer graphene by using aqua regia;
s3, an aminosilane coupling agent and an alcohol solvent are dissolved, and the surface grafting is carried out on the dissolved aminosilane coupling agent and the single-layer graphene processed in the step S2;
s4, silicate ester and deionized water are mixed, acetic acid or hydrochloric acid is used for adjusting the pH value to 2-3 after mixing, the reaction is carried out for 2-6 hours, then silica sol is added for continuing the reaction for 1-2 hours, and finally the single-layer graphene processed in the step S3 is mixed, so that the super-hydrophilic transparent antistatic self-cleaning coating composition is prepared;
and (5) storing the super-hydrophilic transparent antistatic self-cleaning coating composition in the steps S5 and S4 for later use.
The preparation method of the super-hydrophilic transparent antistatic self-cleaning coating composition comprises the following steps:
s1, preparing materials, namely preparing raw materials of the following components in proportion, namely, tetra-functional group silicate: deionized water: alcohol solvent: single-layer graphene: amino silane coupling agent: 5-10% of water glass: 10-20: 100: 0.01-0.1: 1-2: 10-20;
s2, carrying out 2-hour treatment on the single-layer graphene by using aqua regia;
s3, an aminosilane coupling agent and an alcohol solvent are dissolved, and the surface grafting is carried out on the dissolved aminosilane coupling agent and the single-layer graphene processed in the step S2;
s4, silicate ester and deionized water are mixed, after mixing, acetic acid or hydrochloric acid is used for adjusting the pH value to 2-3, the reaction is carried out for 2-6 hours, then water glass is added for continuing the reaction for 1-2 hours, and finally the single-layer graphene processed in the step S3 is mixed, so that the super-hydrophilic transparent antistatic self-cleaning coating composition is prepared;
and (5) storing the super-hydrophilic transparent antistatic self-cleaning coating composition in the steps S5 and S4 for later use.
Compared with the prior art, the super-hydrophilic transparent antistatic self-cleaning coating composition has the advantages that:
this application adds graphite alkene, improves the antistatic function of coating, reduces the dust and adheres to.
The inorganic nano resin is finally synthesized, the super-hydrophilic nano resin has the super-hydrophilic characteristic and high adhesive force to a glass substrate, and meanwhile, the composite photocatalyst solves the problem of adhesive force;
the composition can be cured at normal temperature, can be put into use within 30 minutes, and solves the problem of complex construction process.
Drawings
FIG. 1 is a graph showing the light transmittance of coated glass in accordance with the present invention relative to a blank glass sheet.
Fig. 2 is a screenshot of the water contact angle of 3 ° provided by the present invention.
FIG. 3 is a comparative screenshot of the effect of the natural dust cover and water washing of the material object provided by the present invention.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
The super-hydrophilic transparent antistatic self-cleaning coating composition comprises the following components in parts by weight: deionized water: alcohol solvent: single-layer graphene: amino silane coupling agent: and (3) silica sol is 5-10: 10-20: 100: 0.01-0.1: 1-2: 10 to 20.
Further, the preparation method of the composition comprises the following steps:
s1, preparing materials, namely preparing raw materials with the weight components in the following table;
s2, carrying out 2-hour treatment on the single-layer graphene by using aqua regia;
s3, an aminosilane coupling agent and an alcohol solvent are dissolved, and the dissolved aminosilane coupling agent is used for surface grafting with the single-layer graphene processed in the step S2, namely, the surface of the single-layer graphene is modified by the dissolved aminosilane coupling agent;
s4, silicate ester and deionized water are mixed, acetic acid or hydrochloric acid is used for adjusting the pH value to 2-3 after mixing, the reaction is carried out for 2-6 hours, then silica sol is added for continuing the reaction for 1-2 hours, and finally the single-layer graphene processed in the step S3 is mixed, so that the super-hydrophilic transparent antistatic self-cleaning coating composition is prepared;
in this example, the reaction time was adjusted to pH 4 hours, and the reaction was continued for 1.5 hours by adding silica sol.
And (5) storing the super-hydrophilic transparent antistatic self-cleaning coating composition in the steps S5 and S4 for later use.
Test one, the above ingredients of the present example were arranged in kg, specifically as follows:
| name of raw materials | Amount of the formula kg |
| Silicic acid ester | 8 |
| Deionized water | 15 |
| |
100 |
| Single layer graphene | 0.05 |
| Amino silane coupling agent | 1.5 |
| Silica sol | 15 |
The composition prepared by matching the above and actual weight of the ingredients and finally prepared, which can be directly coated on the glass surface and solar panel surface and the like, see fig. 1 to 3, has a water contact angle of 3 °, which provides properties of super-hydrophilicity and antistatic self-cleaning property, and high light transmittance.
Test two, the above ingredients of this example were arranged in kg, specifically as follows:
| name of raw materials | Amount of the formula kg |
| Silicic acid ester | 5 |
| Deionized water | 10 |
| |
100 |
| Single layer graphene | 0.01 |
| Amino silane coupling agent | 1 |
| Silica sol | 10 |
The composition prepared by matching the above and actual weight of the ingredients and finally prepared, which can be directly coated on the glass surface and solar panel surface and the like, see fig. 1 to 3, has a water contact angle of 3 °, which provides properties of super-hydrophilicity and antistatic self-cleaning property, and high light transmittance.
Test three, the above ingredients of this example were arranged in kg, specifically as follows:
| name of raw materials | Amount of the formula kg |
| Silicic acid ester | 10 |
| Deionized water | 20 |
| |
100 |
| Single layer graphene | 0.1 |
| Amino silane coupling agent | 2 |
| Silica sol | 20 |
The composition prepared by matching the above and actual weight of the ingredients and finally prepared, which can be directly coated on the glass surface and solar panel surface and the like, see fig. 1 to 3, has a water contact angle of 3 °, which provides properties of super-hydrophilicity and antistatic self-cleaning property, and high light transmittance.
Test four, the above ingredients of this example were arranged in kg, specifically as follows:
| name of raw materials | Amount of the formula kg |
| Silicic acid ester | 8 |
| Deionized water | 16 |
| |
100 |
| Single layer graphene | 0.08 |
| Amino silane coupling agent | 1.6 |
| Silica sol | 16 |
The composition prepared by matching the above and actual weight of the ingredients and finally prepared, which can be directly coated on the glass surface and solar panel surface and the like, see fig. 1 to 3, has a water contact angle of 3 °, which provides properties of super-hydrophilicity and antistatic self-cleaning property, and high light transmittance.
Example two
The structure and the working principle of the embodiment are basically the same as those of the embodiment, and different structures are as follows:
the super-hydrophilic transparent antistatic self-cleaning coating composition comprises the following components in parts by weight: deionized water: alcohol solvent: single-layer graphene: amino silane coupling agent: 5-10% of water glass: 10-20: 100: 0.01-0.1: 1-2: 10 to 20.
Further, the preparation process of the composition comprises the following steps:
s1, preparing materials, namely preparing raw materials of the following components in proportion, namely, tetra-functional group silicate: deionized water: alcohol solvent: single-layer graphene: amino silane coupling agent: 5-10% of water glass: 10-20: 100: 0.01-0.1: 1-2: 10-20;
s2, carrying out 2-hour treatment on the single-layer graphene by using aqua regia;
s3, an aminosilane coupling agent and an alcohol solvent are dissolved, and the surface grafting is carried out on the dissolved aminosilane coupling agent and the single-layer graphene processed in the step S2;
s4, silicate ester and deionized water are mixed, after mixing, acetic acid or hydrochloric acid is used for adjusting the pH value to 2-3, the reaction is carried out for 2-6 hours, then water glass is added for continuing the reaction for 1-2 hours, and finally the single-layer graphene processed in the step S3 is mixed, so that the super-hydrophilic transparent antistatic self-cleaning coating composition is prepared;
s5, storing the super-hydrophilic transparent antistatic self-cleaning coating composition obtained in the step S4 for later use.
The difference of this embodiment is that the present embodiment uses water glass, and can also meet the requirements of high adhesion, high transparency, and the like.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (5)
1. The super-hydrophilic transparent antistatic self-cleaning coating composition is characterized by comprising the following components in parts by weight: deionized water: alcohol solvent: single-layer graphene: amino silane coupling agent: and (3) silica sol is 5-10: 10-20: 100: 0.01-0.1: 1-2: 10 to 20.
2. The super hydrophilic transparent antistatic self-cleaning coating composition according to claim 1, characterized in that the composition comprises the following components in proportion: deionized water: alcohol solvent: single-layer graphene: amino silane coupling agent: 5-10% of water glass: 10-20: 100: 0.01-0.1: 1-2: 10 to 20.
3. The super hydrophilic transparent antistatic self-cleaning coating composition according to claim 1 or 2, characterized in that the tetra-functional silicate is any one or more of methyl orthosilicate, ethyl orthosilicate, isopropyl orthosilicate, etc.
4. A preparation method of an ultra-hydrophilic transparent antistatic self-cleaning coating composition is characterized by comprising the following steps:
s1, preparing materials, namely preparing raw materials of the following components in proportion, namely, tetra-functional group silicate: deionized water: alcohol solvent: single-layer graphene: amino silane coupling agent: and (3) silica sol is 5-10: 10-20: 100: 0.01-0.1: 1-2: 10-20;
s2, carrying out 2-hour treatment on the single-layer graphene by using aqua regia;
s3, an aminosilane coupling agent and an alcohol solvent are dissolved, and the surface grafting is carried out on the dissolved aminosilane coupling agent and the single-layer graphene processed in the step S2;
s4, silicate ester and deionized water are mixed, acetic acid or hydrochloric acid is used for adjusting the pH value to 2-3 after mixing, the reaction is carried out for 2-6 hours, then silica sol is added for continuing the reaction for 1-2 hours, and finally the single-layer graphene processed in the step S3 is mixed, so that the super-hydrophilic transparent antistatic self-cleaning coating composition is prepared;
and (5) storing the super-hydrophilic transparent antistatic self-cleaning coating composition in the steps S5 and S4 for later use.
5. A preparation method of an ultra-hydrophilic transparent antistatic self-cleaning coating composition is characterized by comprising the following steps:
s1, preparing materials, namely preparing raw materials of the following components in proportion, namely, tetra-functional group silicate: deionized water: alcohol solvent: single-layer graphene: amino silane coupling agent: 5-10% of water glass: 10-20: 100: 0.01-0.1: 1-2: 10-20;
s2, carrying out 2-hour treatment on the single-layer graphene by using aqua regia;
s3, an aminosilane coupling agent and an alcohol solvent are dissolved, and the surface grafting is carried out on the dissolved aminosilane coupling agent and the single-layer graphene processed in the step S2;
s4, silicate ester and deionized water are mixed, after mixing, acetic acid or hydrochloric acid is used for adjusting the pH value to 2-3, the reaction is carried out for 2-6 hours, then water glass is added for continuing the reaction for 1-2 hours, and finally the single-layer graphene processed in the step S3 is mixed, so that the super-hydrophilic transparent antistatic self-cleaning coating composition is prepared;
s5, storing the super-hydrophilic transparent antistatic self-cleaning coating composition obtained in the step S4 for later use.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002212463A (en) * | 2001-01-12 | 2002-07-31 | Sustainable Titania Technology Inc | Titanium oxide-containing conductive film-forming liquid, production method thereof, and structure equipped with titanium oxide-containing film |
| CN105694711A (en) * | 2015-11-27 | 2016-06-22 | 浙江大学 | Super-smooth self-cleaning coating and preparation method thereof |
| CN107236451A (en) * | 2017-06-19 | 2017-10-10 | 新材料与产业技术北京研究院 | Hydrophilic self-cleaning coating composition and hydrophilic self-cleaning coating and its preparation method and application |
| CN110317476A (en) * | 2018-03-28 | 2019-10-11 | 新材料与产业技术北京研究院 | Nano functional coating and its preparation method and application |
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- 2020-04-28 CN CN202010346657.9A patent/CN111548655A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002212463A (en) * | 2001-01-12 | 2002-07-31 | Sustainable Titania Technology Inc | Titanium oxide-containing conductive film-forming liquid, production method thereof, and structure equipped with titanium oxide-containing film |
| CN105694711A (en) * | 2015-11-27 | 2016-06-22 | 浙江大学 | Super-smooth self-cleaning coating and preparation method thereof |
| CN107236451A (en) * | 2017-06-19 | 2017-10-10 | 新材料与产业技术北京研究院 | Hydrophilic self-cleaning coating composition and hydrophilic self-cleaning coating and its preparation method and application |
| CN110317476A (en) * | 2018-03-28 | 2019-10-11 | 新材料与产业技术北京研究院 | Nano functional coating and its preparation method and application |
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Application publication date: 20200818 |