CN105694544B - A kind of preparation method of nano titanium dioxide/diatomite wall covering - Google Patents
A kind of preparation method of nano titanium dioxide/diatomite wall covering Download PDFInfo
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- CN105694544B CN105694544B CN201610023299.1A CN201610023299A CN105694544B CN 105694544 B CN105694544 B CN 105694544B CN 201610023299 A CN201610023299 A CN 201610023299A CN 105694544 B CN105694544 B CN 105694544B
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- diatomite
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- wall covering
- titanium dioxide
- nano titanium
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 27
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000010894 electron beam technology Methods 0.000 claims abstract description 8
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000004809 Teflon Substances 0.000 claims abstract description 4
- 229920006362 Teflon® Polymers 0.000 claims abstract description 4
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 4
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 4
- 239000008367 deionised water Substances 0.000 claims abstract description 4
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 4
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 4
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 9
- 239000013049 sediment Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 239000002131 composite material Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000000593 degrading effect Effects 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 11
- 230000001699 photocatalysis Effects 0.000 description 8
- 238000007146 photocatalysis Methods 0.000 description 7
- 239000004408 titanium dioxide Substances 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 244000028419 Styrax benzoin Species 0.000 description 1
- 235000000126 Styrax benzoin Nutrition 0.000 description 1
- 235000008411 Sumatra benzointree Nutrition 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229960002130 benzoin Drugs 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000035 biogenic effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 235000019382 gum benzoic Nutrition 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 208000026278 immune system disease Diseases 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 210000002500 microbody Anatomy 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1612—Non-macromolecular compounds
- C09D5/1618—Non-macromolecular compounds inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of preparation methods of nano titanium dioxide/diatomite wall covering, and in particular to using electronic beam irradiation technology, changes the characteristic of material surface charge using electron beam, prepares composite material.The invention belongs to environmental protection wall surface technical field of coatings.Diatomite is dispersed in hydrochloric acid solution first；It will be added in again after ammonium sulfate and titanium tetrachloride blending in diatomite；Above-mentioned solution is transferred in sealed bag after being copolymerized under electron beam, is slowly added to silver nitrate in the solution, filtered, washed repeatedly with deionized water；It transfers the solution into the autoclave of teflon gasket, reacts 12h at 160 180 DEG C；Obtained product obtains nano titanium dioxide/diatomite wall covering after filtering, wash, dry.Wall covering prepared by the present invention is environmental-friendly, simple for process, cheap.The wall covering of preparation has the activity of very high absorption and organic gas of degrading, and has proper value.
Description
Technical field
The present invention relates to a kind of preparation method of nano titanium dioxide/diatomite wall covering, the present invention uses electron beam
Irradiation technique is changed the characteristic of material surface charge using electron beam, prepares composite material.The invention belongs to environmental protection wall surface coating skills
Art field.
Background technology
Interior decoration（Insulating materials, binding agent, coating and paint etc.）And daily life（Grade of cooking activities）It is indoor
The main source of organic gaseous contamination.These organic gaseous contaminations include various VOCs（Volatile organic matter）, formaldehyde, benzene, two
Toluene, dioxin etc..Since these pollutions can cause a series of harm such as people's disease of immune system, with life water
Flat raising, people start to pay attention to the pollution control of indoor organic gas.Degradable indoor organic pollution gas it is environmentally protective
Wall covering has become one of current popular research direction.
Diatomite is a kind of biogenic siliceous sedimentary rock, mainly by diatom and other microbodys biological (radiolitid, sponge
Deng) siliceous remains composition.Its chemical composition is with SiO2Based on, contain a small amount of Al2O3、Fe2O3、CaO、MgO、K2O and organic matter
Deng.Diatomaceous color is white, and grey or light brown etc., impurity content is higher, then the color reflected is deeper, microcosmic shape
Looks also have disc, aciculiform, tubular, pinniform etc. due to the difference of frustule shape.Diatomite have very strong adsorption capacity and
Very big adsorption capacity, because diatom shell has the substantial amounts of, micropore of ordered arrangement, so that diatomite has very big ratio
Surface area, specific surface area are 3.1~60m/g, quantity 2~2.5 hundred million/g, 0.6~0.8cm of body volume/g, in body
Containing more than 1,000 a nanometer micropores, 7~125nm of aperture is natural nano material, can absorb the impurity of 3~4 times of sole mass.
With strong absorption and high-melting-point（1600~1750 DEG C）Characteristic.Its chemical stability is high, in addition to hydrofluoric acid is dissolved in, does not dissolve in
Any strong acid, is soluble in alkali.It is a kind of cheap, efficient substrate material.It is that a kind of good indoor wall applies again simultaneously
Material.
Titanium dioxide is a kind of common catalysis material, a kind of light stable, cheap and easy to get, nontoxic as chemical property
Catalysis material, titanium dioxide is studied for the photocatalysis of organic pollution, but there is also some defects for titanium dioxide.Pure dioxy
Change the height of recombination rate again of the photo-generate electron-hole pair of titanium photochemical catalyst, quantum efficiency is relatively low, and photocatalysis performance does not protrude.Pure two
Titanium oxide（Detitanium-ore-type）Absorption band gap for 3.2 eV, corresponding absorbing wavelength is 387nm, can only utilize and account for solar spectrum
The ultraviolet portion of scope 4%, and relatively low photo-quantum efficiency low to the effective rate of utilization of sunlight are that limitation photocatalysis is practical
With industrialized main cause.Titanium dioxide is combined nano-titanium dioxide/diatom ooze wall covering with diatom ooze to have
Effect reduces the electron-hole recombination rate of pure titinium dioxide, while increases the absorption of coating and the ability of degradation of contaminant.Therefore,
Titanium dioxide and the compound photocatalysis performance and absorption property to further improving composite material of diatom ooze progress are had positive
Meaning.This composite material will play the role of catalytic degradation for indoor wall to the pollution of indoor organic matter.
The content of the invention
The purpose of the present invention is intended to provide a kind of preparation method of nano titanium dioxide/diatomite wall covering.
A kind of method for preparing nano titanium dioxide/diatomite wall covering of the present invention, it is characterised in that have following
Preparation process and step：
（a）12g diatomite is dispersed in 250mL hydrochloric acid solutions, stirs 30min；
（b）At room temperature, by ammonium sulfate and titanium tetrachloride using mass ratio as 1:2 ratio, which is put into beaker, stirs 30min；
（c）By step（b）Acquired solution is slowly added into step（a）In the solution of gained, continue to stir 1h；
（d）By step（c）Acquired solution is transferred in sealed bag to be copolymerized under electron beam, irradiation dose 40kGy；
（e）By step（d）Silver nitrate is slowly added in the solution of gained until solution no longer generates sediment, then
Filtering, is washed several times repeatedly with deionized water；
（f）By step（e）The solution of gained is transferred in the autoclave of teflon gasket, at 160-180 DEG C
Lower reaction 12h；
（g）By step（f）Obtained product obtains nano titanium dioxide/diatomite metope after filtering, wash, dry and applies
Material.
Compared with prior art, the present invention with following remarkable advantage：
1st, change the characteristic of material surface charge using electron beam in the synthesis process, other chemistry need not used also
In the case of former agent, the formation of nano titanium dioxide crystal is completed simultaneously with the generation of diatomite surface negative charge, preparation process
Simply；
2nd, the structure of the composite material prepared is further stablized during hydrothermal synthesis, and preparation process is economic and environment-friendly；
3rd, the nano titanium dioxide/diatomite wall covering prepared has very high absorption and photocatalytic activity, is a kind of
Wall covering with application value.
Description of the drawings
Fig. 1 is the scanning electron microscope of nano titanium dioxide/diatomite wall covering（SEM）Figure.
Fig. 2 is the photocatalysis performance graph of nano titanium dioxide/diatomite wall covering.
Specific embodiment
After in conjunction with attached drawing, the embodiment of the present invention is specifically described in.
Embodiment 1
（a）12g diatomite is dispersed in 250mL hydrochloric acid solutions, stirs 30min；
（b）At room temperature, by ammonium sulfate and titanium tetrachloride using mass ratio as 1:2 ratio, which is put into beaker, stirs 30min；
（c）By step（b）Acquired solution is slowly added into step（a）In the solution of gained, continue to stir 1h；
（d）By step（c）Acquired solution is transferred in sealed bag to be copolymerized under electron beam, irradiation dose 40kGy；
（e）By step（d）Silver nitrate is slowly added in the solution of gained until solution no longer generates sediment, then
Filtering, is washed several times repeatedly with deionized water；
（f）By step（e）The solution of gained is transferred in the autoclave of teflon gasket, at 160-180 DEG C
Lower reaction 12h；
（g）By step（f）Obtained product obtains nano titanium dioxide/diatomite metope after filtering, wash, dry and applies
Material.
The SEM figures of Fig. 1 show the nano titanium dioxide/diatomite wall covering of preparation.
The photocatalysis performance experiment of product of the present invention
The benzoin solution that concentration is 10ppb is added in nano titanium dioxide/diatomite wall covering, ultraviolet lighting is anti-
After when answering 1-8 small, sample is handled, and is tested with GC/MS (gas chromatograph-mass spectrometer (GC-MS)).
Fig. 2 is the photocatalysis performance graph of nano titanium dioxide/diatomite wall covering.
Claims (1)
- A kind of 1. method for preparing nano titanium dioxide/diatomite wall covering, it is characterised in that there is following preparation process And step：（a）12g diatomite is dispersed in 250mL hydrochloric acid solutions, stirs 30min；（b）At room temperature, by ammonium sulfate and titanium tetrachloride using mass ratio as 1:2 ratio, which is put into beaker, stirs 30min；（c）By step（b）Acquired solution is slowly added into step（a）In the solution of gained, continue to stir 1h；（d）By step（c）Acquired solution is transferred in sealed bag to be copolymerized under electron beam, irradiation dose 40kGy；（e）By step（d）Silver nitrate is slowly added in the solution of gained until solution no longer generates sediment, then mistake Filter, is washed several times repeatedly with deionized water；（f）By step（e）The solution of gained is transferred in the autoclave of teflon gasket, anti-at 160-180 DEG C Answer 12h；By step（f）Obtained product obtains nano titanium dioxide/diatomite wall covering after filtering, wash, dry.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610023299.1A CN105694544B (en) | 2016-01-14 | 2016-01-14 | A kind of preparation method of nano titanium dioxide/diatomite wall covering |
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| CN201610023299.1A CN105694544B (en) | 2016-01-14 | 2016-01-14 | A kind of preparation method of nano titanium dioxide/diatomite wall covering |
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| CN105694544A CN105694544A (en) | 2016-06-22 |
| CN105694544B true CN105694544B (en) | 2018-05-22 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106334396A (en) * | 2016-09-24 | 2017-01-18 | 上海大学 | Method capable of inhibiting formation of NBaP in atmospheric particulates |
| CN106883643A (en) * | 2017-02-27 | 2017-06-23 | 武汉金中海高新科技有限公司 | A kind of preparation method of diatomite wall covering |
| CN108676389B (en) * | 2018-05-03 | 2020-11-03 | 宋俊芳 | Diatom ooze coating capable of degrading formaldehyde and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658786A (en) * | 2009-09-25 | 2010-03-03 | 上海大学 | Method for preparing graphene-based titanium dioxide composite photocatalyst by radiation of electron beams |
| CN101829555A (en) * | 2010-05-26 | 2010-09-15 | 上海大学 | Method for preparing titanium dioxide/mesoporous carbon composite photocatalyst by electron beam irradiation |
| CN102039118A (en) * | 2009-10-16 | 2011-05-04 | 中国矿业大学(北京) | Preparation method of supported nano TiO2 photocatalytic material with diatomite filter aid as carrier |
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2016
- 2016-01-14 CN CN201610023299.1A patent/CN105694544B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658786A (en) * | 2009-09-25 | 2010-03-03 | 上海大学 | Method for preparing graphene-based titanium dioxide composite photocatalyst by radiation of electron beams |
| CN102039118A (en) * | 2009-10-16 | 2011-05-04 | 中国矿业大学(北京) | Preparation method of supported nano TiO2 photocatalytic material with diatomite filter aid as carrier |
| CN101829555A (en) * | 2010-05-26 | 2010-09-15 | 上海大学 | Method for preparing titanium dioxide/mesoporous carbon composite photocatalyst by electron beam irradiation |
Non-Patent Citations (2)
| Title |
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| 硅藻土负载二氧化钛复合材料的制备与光催化性能;王利剑等;《硅酸盐学报》;20060731;第34卷(第7期);1.2硅藻土负载纳米TiO2复合材料的制备 * |
| 纳米TiO2薄膜的制备与光催化性能研究;高如琴等;《人工晶体学报》;20120630;第41卷(第3期);第675-679页 * |
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