CN117258773A - Preparation of colorless transparent high-efficiency photocatalysis self-cleaning agent with strong adhesive force - Google Patents
Preparation of colorless transparent high-efficiency photocatalysis self-cleaning agent with strong adhesive force Download PDFInfo
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- CN117258773A CN117258773A CN202310021843.9A CN202310021843A CN117258773A CN 117258773 A CN117258773 A CN 117258773A CN 202310021843 A CN202310021843 A CN 202310021843A CN 117258773 A CN117258773 A CN 117258773A
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- cleaning agent
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- photocatalytic self
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 78
- 239000012459 cleaning agent Substances 0.000 title claims abstract description 69
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000000853 adhesive Substances 0.000 title claims abstract description 16
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 16
- 239000011230 binding agent Substances 0.000 claims abstract description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 24
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 6
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims description 6
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 25
- 238000000034 method Methods 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 9
- 238000002835 absorbance Methods 0.000 description 5
- 239000003814 drug Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000011941 photocatalyst Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229960000907 methylthioninium chloride Drugs 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 238000005282 brightening Methods 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 108010067390 Viral Proteins Proteins 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/36—Organic compounds containing halogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/40—Organic compounds containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
The invention relates to the technical field of cleaning agents, in particular to a preparation method of a colorless transparent high-efficiency photocatalysis self-cleaning agent with strong adhesive force, which comprises the following steps: s1, preparing colorless and transparent photocatalytic self-cleaning agent hydrosol; s2, preparing a TM binder; s3, preparing the photocatalysis self-cleaning agent. Compared with the prior art, the self-cleaning agent for photocatalysis prepared by the invention is colorless and transparent, has good photocatalysis effect under the irradiation of fluorescent lamps and ultraviolet lamps, and has strong adhesive force.
Description
Technical Field
The invention relates to the technical field of cleaning agents, in particular to a preparation method of a colorless transparent high-efficiency photocatalysis self-cleaning agent with strong adhesive force.
Background
The liquid detergent is prepared mainly by surfactant, bactericide, polishing agent, penetrating agent, unique brightening agent and other environmental protection technology, and has powerful pollutant eliminating capacity, penetrating capacity, bactericidal capacity, brightening performance and other features.
Photocatalysis is based on the oxidation-reduction capability of the photocatalyst under the condition of illumination, so that the purposes of purifying pollutants, synthesizing substances, converting substances and the like can be achieved. In general, photocatalytic oxidation reactions degrade organic matter into carbon dioxide and water using a semiconductor as a catalyst and light as energy. Therefore, the photocatalysis technology is used as an efficient and safe environment-friendly environment purification technology. The most widely used photocatalysis technology is a photocatalyst, the surface of the photocatalyst can generate photocatalysis reaction similar to photosynthesis under the irradiation of light, free hydroxyl and active oxygen with stronger oxidizing capability are generated, the photocatalyst has strong photooxidation-reduction performance, various organic compounds and partial inorganic matters can be oxidatively decomposed, bacterial membranes and viral proteins can be destroyed, thereby killing bacteria, and organic pollutants are decomposed into pollution-free water and carbon dioxide, so that the photocatalyst is widely applied to the fields of air purification, water purification, self-purification, sterilization, deodorization, pollution prevention, antifogging and the like.
However, as an application in cleaning, how to achieve cleaning effect by photocatalysis technology, and how to keep strong adhesion of the cleaning agent on the surface of the object to improve the lasting cleaning effect of the cleaning agent are the technical problems to be solved by the invention. Therefore, we propose the preparation of a colorless transparent, highly adhesive, highly efficient photocatalytic self-cleaning agent to solve the problem.
Disclosure of Invention
The invention aims to provide a preparation method of a colorless transparent high-efficiency photocatalysis self-cleaning agent with strong adhesive force, so as to solve the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
the preparation of the colorless transparent high-efficiency photocatalysis self-cleaning agent with strong adhesive force comprises the following steps:
s1, preparing colorless and transparent photocatalytic self-cleaning agent hydrosol:
mixing 498.69ml of isopropyl titanate and 481.86ml of isopropanol in a beaker, stirring at room temperature by an electric stirrer, adding 78.28ml of hydrochloric acid, stirring, then pouring the clear solution into 8244ml of distilled water under stirring at one time by continuous stirring, stirring for 6 hours, and aging for 7 days to obtain colorless and transparent photocatalytic self-cleaning agent hydrosol;
s2, preparation of a TM binder:
339.6g of absolute ethyl alcohol, 344g of tetraethoxysilane and 56g of methyltrimethoxysilane are added into a flask, heated and stirred to 70 ℃, 180g of water and 0.96g of hydrochloric acid are mixed and added into the flask dropwise within 2 hours, and then the solution is stirred for 2 hours at 70 ℃ to obtain a TM binder;
s3, preparing a photocatalysis self-cleaning agent:
50g of TM binder is weighed and directly added into 9950g of colorless transparent photocatalytic self-cleaning agent hydrosol, and the mixture is stirred for half an hour to prepare the colorless transparent photocatalytic self-cleaning agent containing the binder.
In one embodiment, the volumes of isopropyl titanate, isopropyl alcohol, hydrochloric acid and distilled water may be adjusted in equal proportion to the change in volume value of the photocatalytic self-cleaning hydrosol to be prepared.
In one embodiment, the mass or volume of the absolute ethyl alcohol, ethyl orthosilicate, methyltrimethoxysilane, water, and hydrochloric acid may be adjusted in equal proportion to the change in the volume value of the TM binder to be prepared.
In one embodiment, the volumes of the TM binder and the colorless transparent photocatalytic self-cleaning agent hydrosol may be adjusted in equal proportion to the change in volume value of the photocatalytic self-cleaning agent to be prepared.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the colorless and transparent photocatalytic self-cleaning agent hydrosol and the TM adhesive are stirred and mixed, so that the photocatalytic self-cleaning agent is prepared, is colorless and transparent, and has strong adhesive force after being sprayed on the surface of an object, so that the cleaning duration time of the photocatalytic self-cleaning agent is prolonged.
2. The photocatalysis self-cleaning agent provided by the invention has good photocatalysis effect under the irradiation of fluorescent lamps and ultraviolet lamps.
Detailed Description
The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.
Example 1:
the preparation of the colorless transparent high-efficiency photocatalysis self-cleaning agent with strong adhesive force comprises the following steps:
s1, preparing colorless transparent photocatalytic self-cleaning agent hydrosol:
498.69ml of isopropyl titanate (microphone, 95%) and 481.86ml of isopropyl alcohol (national drug, shanghai test, 99.7%) are taken in a beaker, stirred at 1700rpm of an electric stirrer at room temperature for 30 minutes, 78.28ml of hydrochloric acid (national drug, AR, shanghai test, 35%) is added and stirred for 5 minutes, then, by continuous stirring, the above clear solution is poured into 8244ml of distilled water under stirring at one time, stirred for 6 hours, aged for 7 days, 10L of colorless transparent photocatalytic self-cleaning agent hydrosol is to be prepared, and about 10L of colorless transparent photocatalytic self-cleaning agent hydrosol is actually prepared;
s2, preparation of a TM binder:
339.6g of absolute ethyl alcohol (taitan), 344g of tetraethoxysilane (national medicine, shanghai test) and 56g of methyltrimethoxysilane (national medicine, wokak, 98%) are added into a flask, heated and stirred to 70 ℃, 180g of water and 0.96g of hydrochloric acid (national medicine, AR, shanghai test, 35%) are mixed, and added into the flask dropwise over 2 hours, and then the solution is stirred for 2 hours at 70 ℃ to obtain 1L of TM binder;
s3, preparing a photocatalysis self-cleaning agent:
50g of TM binder was weighed and directly added to 9950g of colorless transparent photocatalytic self-cleaning agent hydrosol, and stirred for half an hour to prepare 10L of colorless transparent photocatalytic self-cleaning agent containing the binder.
Example 2:
the preparation of the colorless transparent high-efficiency photocatalysis self-cleaning agent with strong adhesive force comprises the following steps:
s1, preparing colorless transparent photocatalytic self-cleaning agent hydrosol:
4986.9ml of isopropyl titanate and 4818.6ml of isopropyl alcohol are taken and stirred in a beaker at a room temperature for 50 minutes at 3000rpm of an electric stirrer, 782.8ml of hydrochloric acid is added and stirred for 15 minutes, then, through continuous stirring, the clear solution is poured into 82440ml of distilled water which is being stirred at one time, stirred for 6 hours and aged for 7 days, 100L of colorless transparent photocatalytic self-cleaning agent hydrosol is to be prepared, and about 100L of colorless transparent photocatalytic self-cleaning agent hydrosol is actually prepared;
s2, preparation of a TM binder:
3396g of absolute ethyl alcohol, 3440g of tetraethoxysilane and 560g of methyltrimethoxysilane are added into a flask, heated and stirred to 70 ℃, 1800g of water and 9.6g of hydrochloric acid are mixed and added into the flask dropwise within 2 hours, and then the solution is stirred for 2 hours at 70 ℃ to obtain 10L of TM binder;
s3, preparing a photocatalysis self-cleaning agent:
500g of TM binder is weighed and directly added into 99500g of colorless transparent photocatalytic self-cleaning agent hydrosol, and the mixture is stirred for half an hour to prepare 100L of colorless transparent photocatalytic self-cleaning agent containing the binder.
Test one, measurement of photocatalytic Property of photocatalytic self-cleaning agent
Test object: the photocatalytic self-cleaning agents prepared in example 1 and example 2;
the test method comprises the following steps:
1. taking 1 transparent test tube, cleaning, oven drying, loading 6mL of 40mg/L methylene blue solution, and measuring absorbance C of the methylene blue solution by spectrophotometer 0 ；
2. Weighing 2g of the self-cleaning agent prepared by the method, and adding the self-cleaning agent into a test tube;
3. putting the test tube into fluorescent lamp/ultraviolet lamp, starting timing, taking equal volume of methylene blue solution every 5 min, spectrophotometrically measuring its absorbance C, and comparing with the absorbance C measured initially 0 Comparing to obtain C/C 0 Values were recorded and C/C for 1h, 2h, 3h, and 4h 0 A value;
test results:
from the test results in the above table, it can be seen that:
1. under the action of fluorescent lamp, the C/C is continuously prolonged along with the time 0 The value is continuously reduced, namely the absorbance C is continuously reduced, so that the photocatalysis self-cleaning agent prepared by the method can have good photocatalysis performance under the irradiation of a fluorescent lamp.
2. Under the action of an ultraviolet lamp, the C/C is continuously prolonged along with the time 0 The value is continuously reduced, namely the absorbance C is continuously reduced, so that the photocatalysis self-cleaning agent prepared by the method can have good photocatalysis performance under the irradiation of an ultraviolet lamp.
As compared with the photocatalytic effect in the two cases, it can be found that C/C is achieved within the same duration of action 0 The change amplitude of the value under the action of the fluorescent lamp is smaller than that under the action of the ultraviolet lamp, so that the photocatalysis self-cleaning agent prepared by the method has better photocatalysis effect under the irradiation of the ultraviolet lamp.
Test II measurement of the cleaning Performance of the photocatalytic self-cleaning agent
Test object: the photocatalytic self-cleaning agents prepared in example 1 and example 2;
the test method comprises the following steps:
performing a related test according to the national standard GB/T23764-2009 "photocatalytic self-cleaning Material Performance test method", and evaluating the self-cleaning performance of the photocatalytic self-cleaning agent by testing the minimum contact angle of a sample;
test results:
from the test results in the above table, it can be seen that:
the average minimum contact angle of example 1 was 104 ° (rounded) and the average minimum contact angle of example 2 was 105 ° (rounded) when exposed to uv light for 76 hours, and it was found that the photocatalytic self-cleaning agent prepared by the present method had good anti-fouling hydrophobicity, i.e., it had good self-cleaning performance.
Test III measurement of adhesion Properties of photocatalytic self-cleaning Agents
Test object: the photocatalytic self-cleaning agents prepared in example 1 and example 2;
the test method comprises the following steps:
1. spraying a photocatalysis self-cleaning agent on the surface of a test sample, and after naturally drying to form a film, keeping the sample for later use;
2. performing a related test according to national standard GB/T9286-2021 cross-cut test of paint films of colored paint and varnish, and evaluating the adhesion performance of the photocatalytic self-cleaning agent by testing the falling condition grade of a film layer on the surface of a sample;
test results:
from the test results in the above table, it can be seen that:
the photocatalytic self-cleaning agent prepared by the method has relatively good falling-off condition of a film layer formed after spraying, namely the level 1 with the most serious falling-off condition, and the photocatalytic self-cleaning agent is prepared according to the standard GB/T9286-2021: a small amount of coating falls off at the intersection of the incisions, but the affected intersection cutting area is not more than 5%, so that the photocatalytic self-cleaning agent prepared by the method has strong adhesion performance.
The preparation of the colorless transparent high-efficiency photocatalytic self-cleaning agent with strong adhesive force provided by the embodiment of the application is described in detail, and specific examples are applied to illustrate the principle and the implementation of the application, and the description of the above examples is only used for helping to understand the technical scheme and the core idea of the application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (4)
1. The preparation of the colorless transparent high-efficiency photocatalysis self-cleaning agent with strong adhesive force is characterized by comprising the following steps:
s1, preparing colorless and transparent photocatalytic self-cleaning agent hydrosol:
mixing 498.69ml of isopropyl titanate and 481.86ml of isopropanol in a beaker, stirring at room temperature by an electric stirrer, adding 78.28ml of hydrochloric acid, stirring, then pouring the clear solution into 8244ml of distilled water under stirring at one time by continuous stirring, stirring for 6 hours, and aging for 7 days to obtain colorless and transparent photocatalytic self-cleaning agent hydrosol;
s2, preparation of a TM binder:
339.6g of absolute ethyl alcohol, 344g of tetraethoxysilane and 56g of methyltrimethoxysilane are added into a flask, heated and stirred to 70 ℃, 180g of water and 0.96g of hydrochloric acid are mixed and added into the flask dropwise within 2 hours, and then the solution is stirred for 2 hours at 70 ℃ to obtain a TM binder;
s3, preparing a photocatalysis self-cleaning agent:
50g of TM binder is weighed and directly added into 9950g of colorless transparent photocatalytic self-cleaning agent hydrosol, and the mixture is stirred for half an hour to prepare the colorless transparent photocatalytic self-cleaning agent containing the binder.
2. The preparation of the colorless transparent high-efficiency photocatalytic self-cleaning agent with strong adhesive force according to claim 1, which is characterized in that: the volume of the isopropyl titanate, the isopropyl alcohol, the hydrochloric acid and the distilled water can be changed in equal proportion along with the change of the volume value of the hydrosol of the photocatalytic self-cleaning agent to be prepared.
3. The preparation of the TM binder of claim 1, wherein: the mass or volume of the absolute ethyl alcohol, the tetraethoxysilane, the methyltrimethoxysilane, the water and the hydrochloric acid can be adjusted in an equal proportion according to the change of the volume value of the TM adhesive to be prepared.
4. The preparation of the photocatalytic self-cleaning agent according to claim 1, characterized in that: the volumes of the TM binder and the colorless transparent photocatalytic self-cleaning agent hydrosol can be adjusted in an equal proportion according to the volume value of the photocatalytic self-cleaning agent to be prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310021843.9A CN117258773A (en) | 2023-01-07 | 2023-01-07 | Preparation of colorless transparent high-efficiency photocatalysis self-cleaning agent with strong adhesive force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310021843.9A CN117258773A (en) | 2023-01-07 | 2023-01-07 | Preparation of colorless transparent high-efficiency photocatalysis self-cleaning agent with strong adhesive force |
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| Publication Number | Publication Date |
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| CN117258773A true CN117258773A (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310021843.9A Pending CN117258773A (en) | 2023-01-07 | 2023-01-07 | Preparation of colorless transparent high-efficiency photocatalysis self-cleaning agent with strong adhesive force |
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| Country | Link |
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| CN (1) | CN117258773A (en) |
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- 2023-01-07 CN CN202310021843.9A patent/CN117258773A/en active Pending
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