CN105347695A - Preparation process of low-radiation self-cleaning glass - Google Patents
Preparation process of low-radiation self-cleaning glass Download PDFInfo
- Publication number
- CN105347695A CN105347695A CN201510716548.0A CN201510716548A CN105347695A CN 105347695 A CN105347695 A CN 105347695A CN 201510716548 A CN201510716548 A CN 201510716548A CN 105347695 A CN105347695 A CN 105347695A
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- Prior art keywords
- glass
- cleaning
- low
- self
- liquid
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Links
- 239000005348 self-cleaning glass Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000011521 glass Substances 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000007921 spray Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 12
- 229910000416 bismuth oxide Inorganic materials 0.000 claims description 10
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- 239000012153 distilled water Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 230000000873 masking effect Effects 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 4
- 239000000758 substrate Substances 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 2
- 229910021626 Tin(II) chloride Inorganic materials 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 238000005979 thermal decomposition reaction Methods 0.000 abstract 1
- AXZWODMDQAVCJE-UHFFFAOYSA-L tin(II) chloride (anhydrous) Chemical compound [Cl-].[Cl-].[Sn+2] AXZWODMDQAVCJE-UHFFFAOYSA-L 0.000 abstract 1
- 239000010408 film Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- -1 hydroxyl radical free radical Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- 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
- C03C17/3411—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 inorganic 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
- 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
- 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
- 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
Landscapes
- 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)
- Composite Materials (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention discloses a preparation process of low-radiation self-cleaning glass. The method comprises the following steps: 1. preparing solution A, wherein the solution A is a mixture of the following two solutions: a is SnCl2·2H2Mixing O and anhydrous methanol uniformly in a molar ratio of 1:20-30, and refluxing for 1-2 h; b CdCl3·6H2Dissolving O in anhydrous methanol; 2. preparing a solution B: TiO 22Sol, 3. preparation workEnergy film: heating the glass to be coated to 380-420 ℃, and preparing a film on the surface of the glass by the solution A through a spray thermal decomposition method; 4. preparing a self-cleaning film: and (4) heating the glass obtained in the step (3) to 500-550 ℃, spraying the liquid B, and controlling the temperature and drying. The self-cleaning glass manufactured by the invention not only has super-hydrophilicity, and the super-hydrophilic film layer is firmly combined with the glass substrate, but also can greatly reduce the long-radiation heat exchange amount of the external environment to the glass, so that the heat preservation capability of the glass is improved, the heat insulation requirement is met, and a more comfortable indoor environment is provided.
Description
Technical field
The present invention relates to a kind of low-radiation self-cleaning glass preparation technique.
Background technology
Along with the raising that people require aesthetic and quality of the life, glass is subject to increasing welcome in the field such as buildings, automobile, but glass also brings many difficult problems while bringing people's light and beauty, and the cleaning problem as building glass curtain wall annoyings people always.
At present, be mainly divided into two kinds: one to be form hydrophobic membrane at glass surface about self-cleaning glass, make surface dust and microbial spore firmly can not stick to coatingsurface, be easy to be taken away by rainwater, thus realize automatically cleaning; Another kind forms super hydrophilic film at glass surface, because super hydrophilic film can produce electronics and hole under the irradiation of normal pressure and sunlight, and electronics and hole finally can produce superoxide radical and hydroxyl radical free radical with external environment, these free radicals can, without the organism being selectively oxidized glass surface, finally allow them allow rainwater wash away with dust etc.Be only the adhesion of decreasing pollution thing due to hydrophobic type instead of carry out oxidation explanation to pollutent, time therefore in the face of being difficult to the greasy dirt of removing, it will be felt simply helpless, so the research of the current overwhelming majority launches around wetting ability.The hydrophilic self-cleaning glass preparation method of the prior art shortcoming such as have rete strongly to rely on illumination, rete cohesive force not strong.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of low-radiation self-cleaning glass preparation technique.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of low-radiation self-cleaning glass preparation technique, comprises the following steps:
(1) prepare A liquid, A liquid is the mixing of following two parts of solution: a:SnCl
22H
2o and anhydrous methanol are that 1:20-30 mixes with mol ratio, backflow 1-2h; B:CdCl
36H
2o is dissolved in anhydrous methanol;
(2) B liquid is prepared, TiO
2colloidal sol: by butyl (tetra) titanate, distilled water, ammoniacal liquor and anhydrous methanol mixing ultrasonic after, add nano bismuth oxide powder, ultrasonic 10-20min;
(3) functional membrane is prepared: by glass heats to be coated to 380-420 DEG C, by A liquid spray heating decomposition in glass surface masking;
(4) prepare automatically cleaning film: spray B liquid again after step (3) gained glass is warming up to 500-550 DEG C, temperature control is dried.
Preferably, in step (1), the mol ratio of Sn:Cd is 1:0.05-0.5.
Preferably, butyl (tetra) titanate in step (2), distilled water, the mol ratio of ammoniacal liquor and anhydrous methanol is: 1:10:0.01:50.
Preferably, the quality adding nano bismuth oxide powder in step (2) is the 5-10% of added butyl (tetra) titanate quality.
Preferably, in step (3), spray pressure is 4-4.5bar, and spray gun is 2-2.5mL/s along the translational speed of glass.
Functional membrane thickness is 50-65nm, and automatically cleaning film thickness is 80-100nm.
The beneficial effect that the present invention reaches:
(1) self-cleaning glass of manufacture of the present invention not only has Superhydrophilic, and significantly can reduce the long Radiant exothermicity of external environment to glass, meets insulation requirement, provide more comfortable indoor environment while its insulated capacity is improved;
(2) the super hydrophilic film of glass surface that prepared by the inventive method reduces the dependency of UV-light, effectively can remove organic pollutant under visible light, good antifogging effect, extraordinary automatically cleaning effect can be maintained, even be placed in dark place for some time, glass still has Superhydrophilic;
(3) super hydrophilic membrane is combined firmly with substrate of glass, and weather resistance is superior.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Embodiment 1
A kind of low-radiation self-cleaning glass preparation technique, comprises the following steps:
(1) prepare A liquid, A liquid is the mixing of following two parts of solution: a:SnCl
22H
2o and anhydrous methanol are that 1:20 mixes with mol ratio, backflow 2h; B:CdCl
36H
2o is dissolved in anhydrous methanol; Wherein, the mol ratio of Sn:Cd is 1:0.05;
(2) B liquid is prepared, TiO
2colloidal sol: by butyl (tetra) titanate, distilled water, ammoniacal liquor and anhydrous methanol with mol ratio are: after 1:10:0.01:50 mixes ultrasonic 10min, add nano bismuth oxide powder, again ultrasonic 10min; Wherein, the quality of the nano bismuth oxide powder added is 5% of added butyl (tetra) titanate quality.
(3) functional membrane is prepared: by glass heats to 380 DEG C to be coated, by A liquid spray heating decomposition in glass surface masking; Spray pressure is 4.0bar, and spray gun is 2.0mL/s along the translational speed of glass; This functional membrane thickness is 50nm;
(4) prepare automatically cleaning film: spray B liquid again after step (3) gained glass is warming up to 500 DEG C, temperature control is dried, and this automatically cleaning film thickness is 100nm.
Embodiment 2
A kind of low-radiation self-cleaning glass preparation technique, comprises the following steps:
(1) prepare A liquid, A liquid is the mixing of following two parts of solution: a:SnCl
22H
2o and anhydrous methanol are that 1:25 mixes with mol ratio, backflow 2h; B:CdCl
36H
2o is dissolved in anhydrous methanol; Wherein, the mol ratio of Sn:Cd is 1:0.5;
(2) prepare B liquid, TiO2 colloidal sol: by butyl (tetra) titanate, distilled water, ammoniacal liquor and anhydrous methanol with mol ratio are: after 1:10:0.01:50 mixes ultrasonic 10min, add nano bismuth oxide powder, ultrasonic 15min; Wherein, the quality of the nano bismuth oxide powder added is 8% of added butyl (tetra) titanate quality.
(3) functional membrane is prepared: by glass heats to 420 DEG C to be coated, by A liquid spray heating decomposition in glass surface masking; Spray pressure is 4-4.5bar, and spray gun is 2.5mL/s along the translational speed of glass; This functional membrane thickness is 60nm;
(4) prepare automatically cleaning film: spray B liquid again after step (3) gained glass is warming up to 550 DEG C, temperature control is dried, and this automatically cleaning film thickness is 90nm.
Embodiment 3
A kind of low-radiation self-cleaning glass preparation technique, comprises the following steps:
(1) prepare A liquid, A liquid is the mixing of following two parts of solution: a:SnCl
22H
2o and anhydrous methanol are that 1:30 mixes with mol ratio, backflow 1-2h; B:CdCl
36H
2o is dissolved in anhydrous methanol; Wherein, the mol ratio of Sn:Cd is 1:0.5;
(2) B liquid is prepared, TiO
2colloidal sol: by butyl (tetra) titanate, distilled water, ammoniacal liquor and anhydrous methanol with mol ratio are: after 1:10:0.01:50 mixes ultrasonic 10min, add nano bismuth oxide powder, ultrasonic 20min; Wherein, the quality of the nano bismuth oxide powder added is 10% of added butyl (tetra) titanate quality.
(3) functional membrane is prepared: by glass heats to 400 DEG C to be coated, by A liquid spray heating decomposition in glass surface masking; Spray pressure is 4.5bar, and spray gun is 2.5mL/s along the translational speed of glass; This functional membrane thickness is 65nm;
(4) prepare automatically cleaning film: spray B liquid again after step (3) gained glass is warming up to 500-550 DEG C, temperature control is dried, and this automatically cleaning film thickness is 100nm.
Performance test
One, Contact-angle measurement result: embodiment 1:1.8 °, embodiment 2:0.6 °, embodiment 3:1.5 °, the self-cleaning glass that market is bought: 4.5 °.Can find out thus, the self-cleaning glass contact angle that the inventive method obtains, all lower than 5 °, also has outstanding advantage compared with commercially available self-cleaning glass.
Two, super-hydrophilic thin film cohesive force on the glass substrate.The self-cleaning glass bought embodiment 1-3 and market carries out adhesive force respectively to be tested, and result is as follows:
Embodiment 1:23N, embodiment 2:26N, embodiment 3:22N, available glass: 11N.Result can be found out thus, has higher bonding strength between the super hydrophilic film that the inventive method obtains and substrate of glass.Three, thermal and insulating performance test: with commercially available self-cleaning glass for comparative example, sunlight, as radiant heat source, shows through temperature test, commercially available self-cleaning glass room temp is housed than the glass temperature height 5-6 ° that embodiment 1-3 is housed.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.
Claims (6)
1. a low-radiation self-cleaning glass preparation technique, is characterized in that, comprises the following steps:
(1) prepare A liquid, A liquid is the mixing of following two parts of solution: a:SnCl
22H
2o and anhydrous methanol are that 1:20-30 mixes with mol ratio, backflow 1-2h; B:CdCl
36H
2o is dissolved in anhydrous methanol;
(2) B liquid is prepared, TiO
2colloidal sol: by butyl (tetra) titanate, distilled water, ammoniacal liquor and anhydrous methanol mixing ultrasonic after, add nano bismuth oxide powder, ultrasonic 10-20min;
(3) functional membrane is prepared: by glass heats to be coated to 380-420 DEG C, by A liquid spray heating decomposition in glass surface masking;
(4) prepare automatically cleaning film: spray B liquid again after step (3) gained glass is warming up to 500-550 DEG C, temperature control is dried.
2. low-radiation self-cleaning glass preparation technique according to claim 1, is characterized in that, in step (1), the mol ratio of Sn:Cd is 1:0.05-0.5.
3. low-radiation self-cleaning glass preparation technique according to claim 1, is characterized in that, butyl (tetra) titanate in step (2), distilled water, the mol ratio of ammoniacal liquor and anhydrous methanol is: 1:10:0.01:50.
4. low-radiation self-cleaning glass preparation technique according to claim 1, is characterized in that, the quality adding nano bismuth oxide powder in step (2) is the 5-10% of added butyl (tetra) titanate quality.
5. low-radiation self-cleaning glass preparation technique according to claim 1, is characterized in that, in step (3), spray pressure is 4-4.5bar, and spray gun is 2-2.5mL/s along the translational speed of glass.
6. low-radiation self-cleaning glass preparation technique according to claim 1, is characterized in that, functional membrane thickness is 50-65nm, and automatically cleaning film thickness is 80-100nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510716548.0A CN105347695A (en) | 2015-10-29 | 2015-10-29 | Preparation process of low-radiation self-cleaning glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510716548.0A CN105347695A (en) | 2015-10-29 | 2015-10-29 | Preparation process of low-radiation self-cleaning glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105347695A true CN105347695A (en) | 2016-02-24 |
Family
ID=55323790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510716548.0A Pending CN105347695A (en) | 2015-10-29 | 2015-10-29 | Preparation process of low-radiation self-cleaning glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105347695A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108178230A (en) * | 2018-02-01 | 2018-06-19 | 湖南城市学院 | A kind of sterilization container and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000128581A (en) * | 1998-10-22 | 2000-05-09 | Mitsubishi Heavy Ind Ltd | Antifouling film and its formation |
| US20020028361A1 (en) * | 1995-09-15 | 2002-03-07 | Saint-Gobain Glass France | Substrate with a photocatalytic coating |
| CN1544691A (en) * | 2003-11-27 | 2004-11-10 | 四川大学 | Preparation of low-resistance / high-resistance composite film through ultrasonic spray pyrolysis |
| CN1944310A (en) * | 2006-10-19 | 2007-04-11 | 福耀集团双辽有限公司 | Sunlight controlled self cleaning glass and its producing method |
| CN101070226A (en) * | 2007-06-22 | 2007-11-14 | 中国洛阳浮法玻璃集团有限责任公司 | Low-radiation self-cleaning composite function glass and producing method |
-
2015
- 2015-10-29 CN CN201510716548.0A patent/CN105347695A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020028361A1 (en) * | 1995-09-15 | 2002-03-07 | Saint-Gobain Glass France | Substrate with a photocatalytic coating |
| JP2000128581A (en) * | 1998-10-22 | 2000-05-09 | Mitsubishi Heavy Ind Ltd | Antifouling film and its formation |
| CN1544691A (en) * | 2003-11-27 | 2004-11-10 | 四川大学 | Preparation of low-resistance / high-resistance composite film through ultrasonic spray pyrolysis |
| CN1944310A (en) * | 2006-10-19 | 2007-04-11 | 福耀集团双辽有限公司 | Sunlight controlled self cleaning glass and its producing method |
| CN101070226A (en) * | 2007-06-22 | 2007-11-14 | 中国洛阳浮法玻璃集团有限责任公司 | Low-radiation self-cleaning composite function glass and producing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108178230A (en) * | 2018-02-01 | 2018-06-19 | 湖南城市学院 | A kind of sterilization container and preparation method thereof |
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Application publication date: 20160224 |