CN101703041B - Titanium dioxide nano aerosol and preparation method thereof - Google Patents
Titanium dioxide nano aerosol and preparation method thereof Download PDFInfo
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- CN101703041B CN101703041B CN200910193887.XA CN200910193887A CN101703041B CN 101703041 B CN101703041 B CN 101703041B CN 200910193887 A CN200910193887 A CN 200910193887A CN 101703041 B CN101703041 B CN 101703041B
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- Prior art keywords
- titanium dioxide
- aerosol
- dioxide nano
- weight
- propellant
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 54
- 239000000443 aerosol Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 238000001856 aerosol method Methods 0.000 title description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 11
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 claims abstract description 10
- DDMOUSALMHHKOS-UHFFFAOYSA-N 1,2-dichloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)(Cl)C(F)(F)Cl DDMOUSALMHHKOS-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229940087091 dichlorotetrafluoroethane Drugs 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000003380 propellant Substances 0.000 claims description 17
- 235000011089 carbon dioxide Nutrition 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 239000008187 granular material Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 5
- 201000010099 disease Diseases 0.000 abstract description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000004338 Dichlorodifluoromethane Substances 0.000 abstract 1
- 241000238631 Hexapoda Species 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 229960004424 carbon dioxide Drugs 0.000 abstract 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 abstract 1
- 235000019404 dichlorodifluoromethane Nutrition 0.000 abstract 1
- 229940042935 dichlorodifluoromethane Drugs 0.000 abstract 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 abstract 1
- 229940029284 trichlorofluoromethane Drugs 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 6
- 230000001580 bacterial effect Effects 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 241000220317 Rosa Species 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 241000193738 Bacillus anthracis Species 0.000 description 1
- 230000010718 Oxidation Activity Effects 0.000 description 1
- 241000233679 Peronosporaceae Species 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000002075 main ingredient Substances 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
- 230000008635 plant growth Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a titanium dioxide nano aerosol, which contains titanium dioxide and a propellent, wherein the weight of the titanium dioxide accounts for 0.01 percent to 10 percent of the total weight percentage of the aerosol, and the weight of the propellent accounts for 90 percent to 99.99 percent of the total weight percentage of the aerosol. The propellent is at least one of trichlorofluoromethane, dichlorodifluoromethane, dichlorotetrafluoroethane, nitrogen and carbon dioxide. The invention also provides a preparation method of the titanium dioxide nano aerosol, which comprises the following steps: preparing the titanium dioxide into sol which is subpackaged in containers, installing valves, tightening, sealing cap and filling the propellent with a pressure filling method. The titanium dioxide nano aerosol is convenient to be used for purifying the air and preventing plant diseases and insects.
Description
Technical field
The present invention relates to field of fine chemical, be specifically related to a kind of titanium dioxide nano aerosol and preparation method thereof.
Background technology
Along with the deterioration of environment for human survival, the degree of variation of bacterial virus is increasing, and variation frequency is also more and more higher.For the bacterial virus in air ambient, pollute at present, the active safeguard procedures of taking are few, main still by wearing mouth mask, to reduce or to avoid the infection of bacterial virus in air, crowd.
Nano titanium oxide (TiO
2) after the optical excitation of about wavelength 365nm, the electronics on its valence band will be excited to conduction band, forms hole and optical excitation electronics with high oxidation activity, and with H on every side
2o and O
2reaction generates OH and O
2-, at TiO
2the OH of Surface Creation and O
2-group has extremely strong oxidability, can make most organic pollutant and bacterial oxidation be decomposed into CO
2and H
2the innocuous substances such as O.Also using nano titanium oxide as the main ingredient composition, be not used at present aerosol, to purify air, the control plant pest.
Summary of the invention
In order to make up the defect of current above-mentioned aerosol, the invention provides a kind of titanium dioxide nano aerosol and preparation method thereof, with for purifying air, prevent and treat plant pest.
To achieve these goals, the present invention adopts following technical scheme:
The invention provides a kind of titanium dioxide nano aerosol, this aerosol contains titanium dioxide and propellant, and the percentage that the weight of described titanium dioxide accounts for described aerosol gross weight is 5-10%.
Preferably, to account for the percentage of described aerosol gross weight be 90-95% to the weight of described propellant.
Preferably, the particle diameter of described titanium dioxide nano granule is the 4-5 nanometer.
Preferably, described propellant is at least one in F-11, dicholorodifluoromethane, dichlorotetra-fluoroethane, nitrogen and carbonic acid gas.
The present invention also provides a kind of preparation method of titanium dioxide nano aerosol, and titanium dioxide is prepared into to colloidal sol, is sub-packed in container, loads onto valve, tightens sealing cap, with pressure filling, pours into propellant.
The percentage that the weight of described titanium dioxide accounts for described aerosol gross weight is 5-10%.
The percentage that the weight of described propellant accounts for described aerosol gross weight is 90-95%.
The particle diameter of described titanium dioxide nano granule is the 4-5 nanometer.
Described propellant is at least one in F-11, dicholorodifluoromethane, dichlorotetra-fluoroethane, nitrogen and carbonic acid gas.
Titanium dioxide nano aerosol provided by the invention is convenient for purifying air, the control plant pest.
Embodiment
For making the present invention easier to understand, below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only are not used in and limit the scope of the invention for the present invention is described, in the following example, NM concrete experimental technique, carry out according to the normal experiment method usually.
Embodiment 1:
The titanium dioxide nano aerosol of the present embodiment is prepared from by following percetage by weight by following raw material: this titanium dioxide nano aerosol contains titanium dioxide, and take F-11 as propellant, wherein, the particle diameter of titanium dioxide nano granule is the 4-5 nanometer, and the percentage that the weight of titanium dioxide accounts for described aerosol gross weight is 0.01%.The percentage that the weight of F-11 accounts for described aerosol gross weight is 99.99%.
The titanium dioxide nano aerosol for preparing mentioned component carries out as follows: titanium dioxide is prepared into to colloidal sol, is sub-packed in container, load onto valve, tighten sealing cap, with pressure filling, pour into F-11.Wherein, the component of titanium dioxide and F-11 provides by above-mentioned content.
Embodiment 2:
The titanium dioxide nano aerosol of the present embodiment is prepared from by following percetage by weight by following raw material: this titanium dioxide nano aerosol contains titanium dioxide, and take nitrogen as propellant, wherein, the particle diameter of titanium dioxide nano granule is the 4-5 nanometer, and the percentage that the weight of titanium dioxide accounts for described aerosol gross weight is 10%.The percentage that the weight of nitrogen accounts for described aerosol gross weight is 90%.
The titanium dioxide nano aerosol for preparing mentioned component carries out as follows: titanium dioxide is prepared into to colloidal sol, is sub-packed in container, load onto valve, tighten sealing cap, with pressure filling, pour into nitrogen.Wherein, the component of titanium dioxide and nitrogen provides by above-mentioned content.
Embodiment 3
The titanium dioxide nano aerosol of the present embodiment is prepared from by following percetage by weight by following raw material: this titanium dioxide nano aerosol contains titanium dioxide, and take carbonic acid gas as propellant, wherein, the particle diameter of titanium dioxide nano granule is the 4-5 nanometer, and the percentage that the weight of titanium dioxide accounts for described aerosol gross weight is 5%.The percentage that the gross weight of carbonic acid gas accounts for described aerosol gross weight is 95%.
The titanium dioxide nano aerosol for preparing mentioned component carries out as follows: titanium dioxide is prepared into to colloidal sol, is sub-packed in container, load onto valve, tighten sealing cap, with pressure filling, pour into carbonic acid gas.Wherein, the component of titanium dioxide and carbonic acid gas provides by above-mentioned content.
In another embodiment, the mixture that propellant is F-11, dicholorodifluoromethane and dichlorotetra-fluoroethane.
In another embodiment, the mixture that propellant is nitrogen and carbonic acid gas.
Embodiment 4: the detection of anti-microbial property
Aerosol in the present embodiment 2 is coated on test specimen, and after 24 hours, Electronic Speculum detects the clump count on test specimen, calculates antibiotic rate.Test basis and analytical method are carried out with reference to JC/T897-2002.
Experimental result is in Table 1, and table 1 is the experimental result that detects antibiotic rate.The data demonstration of table 1, aerosol has the antibacterial and bacteriostatic effect, can purify air.
Table 1
Embodiment 5: flower plant disease control experiment
Choosing orchid, rose, lichee, Pachyrhizua angulatus and paddy rice is subjects, utilize the titanium dioxide nano aerosol of embodiment 3 to investigate the control efficiency to common flower plant and diseases of garden stuff, the titanium dioxide nano aerosol of embodiment 3 is directly sprayed on the test plant body to till dripping, make blank with clear water and process.3～6 repetitions are established in each processing.The real condition of oestrusing of month " Invest, Then Investigate " plant growth of dispenser and disease.
Result of the test is in Table 2, and table 2 shows, the titanium dioxide nano aerosol of embodiment 3 is to the orchid anthrax
Disease, rose diplostomiasis, downy mildew of lichee, Pachyrhizua angulatus leaf spot and rice blast have control efficiency preferably.
Table 2
Last institute should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although with reference to preferred embodiment, the present invention is explained in detail; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not break away from essence and the scope of technical solution of the present invention.
Claims (2)
1. a titanium dioxide nano aerosol, is characterized in that, contains titanium dioxide and propellant, and the percentage that the weight of described titanium dioxide accounts for described aerosol gross weight is 5-10%;
The percentage that the weight of described propellant accounts for described aerosol gross weight is 90-95%;
The particle diameter of described titanium dioxide nano granule is the 4-5 nanometer;
Described propellant is at least one in F-11, dicholorodifluoromethane, dichlorotetra-fluoroethane, nitrogen and carbonic acid gas.
2. the preparation method of a kind of titanium dioxide nano aerosol as claimed in claim 1, is characterized in that, comprises the steps: titanium dioxide is prepared into to colloidal sol, is sub-packed in container, loads onto valve, tightens sealing cap, with pressure filling, pours into propellant;
The percentage that the weight of described titanium dioxide accounts for described aerosol gross weight is 5-10%;
The percentage that the weight of described propellant accounts for described aerosol gross weight is 90-95%;
The particle diameter of described titanium dioxide nano granule is the 4-5 nanometer;
Described propellant is at least one in F-11, dicholorodifluoromethane, dichlorotetra-fluoroethane, nitrogen and carbonic acid gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910193887.XA CN101703041B (en) | 2009-11-13 | 2009-11-13 | Titanium dioxide nano aerosol and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910193887.XA CN101703041B (en) | 2009-11-13 | 2009-11-13 | Titanium dioxide nano aerosol and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101703041A CN101703041A (en) | 2010-05-12 |
| CN101703041B true CN101703041B (en) | 2014-01-08 |
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|---|---|---|---|
| CN200910193887.XA Active CN101703041B (en) | 2009-11-13 | 2009-11-13 | Titanium dioxide nano aerosol and preparation method thereof |
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| CN (1) | CN101703041B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113768906B (en) * | 2021-10-25 | 2023-05-09 | 上海方予健康医药科技有限公司 | Novel glucocorticoid inhalation aerosol and pharmaceutical assembly |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338210A (en) * | 2000-08-16 | 2002-03-06 | 周鹤轩 | Optical agricultural chemical |
| CN1338211A (en) * | 2000-08-16 | 2002-03-06 | 秦泽荣 | Photocytalytic agricultural chemical and its application |
-
2009
- 2009-11-13 CN CN200910193887.XA patent/CN101703041B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338210A (en) * | 2000-08-16 | 2002-03-06 | 周鹤轩 | Optical agricultural chemical |
| CN1338211A (en) * | 2000-08-16 | 2002-03-06 | 秦泽荣 | Photocytalytic agricultural chemical and its application |
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| Publication number | Publication date |
|---|---|
| CN101703041A (en) | 2010-05-12 |
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Effective date of registration: 20170316 Address after: 528225 Guangdong, Nanhai District, Foshan City, the town of the South China Sea Institute of science and technology in the South China Sea medical science and technology center, block C, No. three, Ling Ling Road, room 102-103 Patentee after: FOSHAN REN HUI PHARMACEUTICAL TECHNOLOGY Co.,Ltd. Address before: 528000 Foshan National Torch Innovation and entrepreneurship Park,, China, Foshan, China, Chancheng District, Guangdong, two Patentee before: Yang Anping |
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Effective date of registration: 20231220 Address after: 528000, Unit 507, Foshan High tech Zone Science and Technology Industrial Park, No. 70 Guxin Road, Zhangcha Street, Chancheng District, Foshan City, Guangdong Province, China Patentee after: Pudamei (Guangdong) Health Technology Co.,Ltd. Address before: 528225 room 102-103, block C, Nanhai biomedical technology industry center, Chinese Academy of Sciences, No. 181, Hongling Third Road, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN REN HUI PHARMACEUTICAL TECHNOLOGY Co.,Ltd. |