CN101703041A - Titanium dioxide nano aerosol and preparation method thereof - Google Patents
Titanium dioxide nano aerosol and preparation method thereof Download PDFInfo
- Publication number
- CN101703041A CN101703041A CN200910193887A CN200910193887A CN101703041A CN 101703041 A CN101703041 A CN 101703041A CN 200910193887 A CN200910193887 A CN 200910193887A CN 200910193887 A CN200910193887 A CN 200910193887A CN 101703041 A CN101703041 A CN 101703041A
- Authority
- CN
- China
- Prior art keywords
- titanium dioxide
- aerosol
- dioxide nano
- weight
- propellant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 57
- 239000000443 aerosol Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 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 18
- 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
- 238000000034 method Methods 0.000 claims abstract description 7
- 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
- 201000010099 disease Diseases 0.000 abstract description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 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
- 238000012360 testing method Methods 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 7
- 230000001580 bacterial effect Effects 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 3
- 230000003115 biocidal effect Effects 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
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 2
- 241000220317 Rosa Species 0.000 description 2
- 241000191967 Staphylococcus aureus Species 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
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 241000732800 Cymbidium Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000588747 Klebsiella pneumoniae Species 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000010718 Oxidation Activity Effects 0.000 description 1
- 241000233679 Peronosporaceae Species 0.000 description 1
- 206010035664 Pneumonia Diseases 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
- 210000001072 colon Anatomy 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects 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
- 238000011835 investigation Methods 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 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
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007921 spray Substances 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
Landscapes
- 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.Pollute at the bacterial virus in the air ambient at present, the active safeguard procedures of taking are few, and are main still by wearing mouth mask, to reduce or to avoid the infection of bacterial virus among air, the crowd.
Nano titanium oxide (TiO
2) after the optical excitation 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 on every side H
2O and O
2Reaction generates OH and O
2-, at TiO
2OH and O that the surface generates
2-group has extremely strong oxidability, can make most organic pollutant and bacterial oxidation be decomposed into CO
2And H
2Innocuous substances such as O.Also nano titanium oxide is not used for aerosol as the main ingredient composition at present, to purify air the control plant pest.
Summary of the invention
In order to remedy the defective of present above-mentioned aerosol, the invention provides a kind of titanium dioxide nano aerosol and preparation method thereof, to be used to the purifying air control 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 0.01-10%.
Preferably, to account for the percentage of described aerosol gross weight be 90-99.99% 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 a in F-11, dicholorodifluoromethane, dichlorotetra-fluoroethane, nitrogen and the carbonic acid gas.
The present invention also provides a kind of preparation method of titanium dioxide nano aerosol, and titanium dioxide is prepared into colloidal sol, is sub-packed in the container, loads onto valve, tightens sealing cap, pours into propellant with pressure filling.
The percentage that the weight of described titanium dioxide accounts for described aerosol gross weight is 0.01-10%.
The percentage that the weight of described propellant accounts for described aerosol gross weight is 90-99.99%.
The particle diameter of described titanium dioxide nano granule is the 4-5 nanometer.
Described propellant is at least a in F-11, dicholorodifluoromethane, dichlorotetra-fluoroethane, nitrogen and the carbonic acid gas.
Titanium dioxide nano aerosol provided by the invention conveniently is used to purify air, the control plant pest.
Embodiment
For making the present invention easier to understand,, further set forth the present invention below in conjunction with specific embodiment.Should be understood that these embodiment only to be used to the present invention is described and be not used in to limit the scope of the invention that NM concrete experimental technique in the following example carries out according to the normal experiment method usually.
Embodiment 1:
The titanium dioxide nano aerosol of present embodiment is prepared from by following percetage by weight by following raw material: this titanium dioxide nano aerosol contains titanium dioxide, and be propellant with the F-11, 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 of preparation mentioned component carries out as follows: titanium dioxide is prepared into colloidal sol, is sub-packed in the container, load onto valve, tighten sealing cap, pour into F-11 with pressure filling.Wherein, the component of titanium dioxide and F-11 provides by above-mentioned content.
Embodiment 2:
The titanium dioxide nano aerosol of present embodiment is prepared from by following percetage by weight by following raw material: this titanium dioxide nano aerosol contains titanium dioxide, and be propellant with nitrogen, 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 of preparation mentioned component carries out as follows: titanium dioxide is prepared into colloidal sol, is sub-packed in the container, load onto valve, tighten sealing cap, pour into nitrogen with pressure filling.Wherein, the component of titanium dioxide and nitrogen provides by above-mentioned content.
Embodiment 3
The titanium dioxide nano aerosol of present embodiment is prepared from by following percetage by weight by following raw material: this titanium dioxide nano aerosol contains titanium dioxide, and be propellant with the carbonic acid gas, 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 of preparation mentioned component carries out as follows: titanium dioxide is prepared into colloidal sol, is sub-packed in the container, load onto valve, tighten sealing cap, pour into carbonic acid gas with pressure filling.Wherein, the component of titanium dioxide and carbonic acid gas provides by above-mentioned content.
In another embodiment, propellant is the mixture of F-11, dicholorodifluoromethane and dichlorotetra-fluoroethane.
In another embodiment, propellant is the mixture of nitrogen and carbonic acid gas.
Embodiment 4: the detection of anti-microbial property
Aerosol in the present embodiment 2 is coated on the test specimen, and Electronic Speculum detects the clump count on the test specimen after 24 hours, calculates antibiotic rate.Test basis and analytical method are carried out with reference to JC/T897-2002.
Experimental result sees Table 1, and table 1 is the experimental result that detects antibiotic rate.The data show of table 1, aerosol have the antibacterial and bacteriostatic effect, can purify air.
Table 1
| Test microbes | Clump count (cfu/cm on " 0 " test specimen time of contact 2) | Clump count (cfu/cm on the test specimen that 24h cultivates 2) | Antibiotic rate (%) |
| Colon bacillus (Escherichia coli) ATCC 25922 | ??9.2×10 4 | ??＜2 | ?＞99.99％ |
| Staphylococcus aureus (Staphylococcus aureus) ATCC 6538 | ??1.6×10 4 | ??＜2 | ?＞99.99％ |
| Pseudomonas aeruginosa (Pseudomonas aeruginosa) ATCC 9027 | ??1.9×10 4 | ??＜2 | ?＞99.99％ |
| E coil k 1 pneumonia germ (Klebsiella pneumoniae) ATCC 10031 | ??3.7×10 4 | ??＜2 | ?＞99.99％ |
Embodiment 5: flower plant disease control experiment
Choosing orchid, rose, lichee, Pachyrhizua angulatus and paddy rice is subjects, utilize the control efficiency of the titanium dioxide nano aerosol investigation of embodiment 3 to common flower plant and diseases of garden stuff, with the titanium dioxide nano aerosol of embodiment 3 directly spray on the test plant body till drip, make blank with clear water and handle.3～6 repetitions are established in each processing.The real condition of oestrusing of a dispenser " Invest, Then Investigate " plant growing in month and disease.
Result of the test sees Table 2, and table 2 shows that the titanium dioxide nano aerosol of embodiment 3 all has the better prevention effect to cymbidium anthracnose, rose diplostomiasis, downy mildew of lichee, Pachyrhizua angulatus leaf spot and rice blast.
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 the present invention has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical solution of the present invention.
Claims (9)
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 0.01-10%.
2. titanium dioxide nano aerosol according to claim 1 is characterized in that, the percentage that the weight of described propellant accounts for described aerosol gross weight is 90-99.99%.
3. titanium dioxide nano aerosol according to claim 1 is characterized in that, the particle diameter of described titanium dioxide nano granule is the 4-5 nanometer.
4. titanium dioxide nano aerosol according to claim 1 is characterized in that, described propellant is at least a in F-11, dicholorodifluoromethane, dichlorotetra-fluoroethane, nitrogen and the carbonic acid gas.
5. the preparation method of the described titanium dioxide nano aerosol of one of claim 1-4 is characterized in that, comprises the steps: titanium dioxide is prepared into colloidal sol, is sub-packed in the container, loads onto valve, tightens sealing cap, pours into propellant with pressure filling.
6. method according to claim 5 is characterized in that, the percentage that the weight of described titanium dioxide accounts for described aerosol gross weight is 0.01-10%.
7. method according to claim 5 is characterized in that, the percentage that the weight of described propellant accounts for described aerosol gross weight is 90-99.99%.
8. method according to claim 5 is characterized in that, the particle diameter of described titanium dioxide nano granule is the 4-5 nanometer.
9. method according to claim 5 is characterized in that, described propellant is at least a in F-11, dicholorodifluoromethane, dichlorotetra-fluoroethane, nitrogen and the 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101703041A true CN101703041A (en) | 2010-05-12 |
| CN101703041B CN101703041B (en) | 2014-01-08 |
Family
ID=42373359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910193887.XA Active CN101703041B (en) | 2009-11-13 | 2009-11-13 | Titanium dioxide nano aerosol and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101703041B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113768906A (en) * | 2021-10-25 | 2021-12-10 | 上海方予健康医药科技有限公司 | Novel glucocorticoid inhalation aerosol and drug component |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338211A (en) * | 2000-08-16 | 2002-03-06 | 秦泽荣 | Photocytalytic agricultural chemical and its application |
| CN1338210A (en) * | 2000-08-16 | 2002-03-06 | 周鹤轩 | Optical agricultural chemical |
-
2009
- 2009-11-13 CN CN200910193887.XA patent/CN101703041B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113768906A (en) * | 2021-10-25 | 2021-12-10 | 上海方予健康医药科技有限公司 | Novel glucocorticoid inhalation aerosol and drug component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101703041B (en) | 2014-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mahmoodzadeh et al. | Effect of nanoscale titanium dioxide particles on the germination and growth of canola (Brassica napus) | |
| Datta et al. | Green synthesis of zinc oxide nanoparticles using parthenium hysterophorus leaf extract and evaluation of their antibacterial properties | |
| Santhoshkumar et al. | Synthesis of zinc oxide nanoparticles using plant leaf extract against urinary tract infection pathogen | |
| EP2035567B1 (en) | Method for producing silver or gold nanoparticles | |
| Rajeshkumar et al. | In vitro antibacterial activity and mechanism of silver nanoparticles against foodborne pathogens | |
| Gopinath et al. | Biogenic synthesis of antibacterial silver chloride nanoparticles using leaf extracts of Cissus quadrangularis Linn | |
| EP2136621B1 (en) | Antimicrobial material | |
| EP1882415A2 (en) | Plant epidemic prevention agent, plant epidemic prevention method, plant epidemic prevention agent system, plant, and plant cultivation method | |
| EP4299176A2 (en) | Uses of titanium dioxide photocatalytic compositions | |
| CN106512941A (en) | Composite nanometer titanium dioxide and active carbon adsorbent | |
| Khalil | Biogenic silver nanoparticles by Aspergillus terreus as a powerful nanoweapon against Aspergillus fumigatus | |
| ES2379017T3 (en) | Method to produce silver or gold nanoparticles | |
| WO2010004713A1 (en) | Novel microorganism, and plant disease control agent using the microorganism | |
| CA2933373A1 (en) | Oxide products formed from calcined carbonate powder for use as biocide, chemical detoxifier and catalyst support products | |
| JP5210468B2 (en) | Method for producing photocatalyst solution with improved antibacterial properties | |
| KR20060117876A (en) | Antimicrobial filters | |
| CN101703041A (en) | Titanium dioxide nano aerosol and preparation method thereof | |
| WO2006049379A1 (en) | Composition for controlling pathogenic microorganisms in plants | |
| WO2011045623A1 (en) | Titanium dioxide nanostructured materials comprising silver and their use as antimicrobials | |
| Sonar et al. | Mycosynthesized silver nanoparticles as potent growth inhibitory agents against selected waterborne human pathogens | |
| Stoyanova et al. | Nonhydrolytic sol-gel synthesis and antibacterial properties of nanosized TiO2 | |
| EP4021187A1 (en) | Anti-pathogen compositions | |
| Rajarathinam et al. | Imparting potential antibacterial and antifungal activities to water based interior paint using nanoparticles of silver as an additive—an ecofriendly approach | |
| KR101463656B1 (en) | The cpmposition of silver nano partickle for prevention of bacillus antracnose | |
| Uyen et al. | Characteristics and antifungal activity of CuO-ZnO nanocomposites synthesised by the sol-gel technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
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 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
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. |