CN1785502A - Nano-composite composite material and its preparation method - Google Patents
Nano-composite composite material and its preparation method Download PDFInfo
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- CN1785502A CN1785502A CN200510100822.8A CN200510100822A CN1785502A CN 1785502 A CN1785502 A CN 1785502A CN 200510100822 A CN200510100822 A CN 200510100822A CN 1785502 A CN1785502 A CN 1785502A
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- 239000002114 nanocomposite Substances 0.000 title claims description 27
- 238000002360 preparation method Methods 0.000 title claims description 8
- 239000002131 composite material Substances 0.000 title claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000002086 nanomaterial Substances 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract 4
- 239000010703 silicon Substances 0.000 claims abstract 4
- 239000000463 material Substances 0.000 claims description 37
- 239000005543 nano-size silicon particle Substances 0.000 claims description 21
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 230000001699 photocatalysis Effects 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 4
- 238000007146 photocatalysis Methods 0.000 claims description 4
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910000348 titanium sulfate Inorganic materials 0.000 claims description 3
- 206010013786 Dry skin Diseases 0.000 claims description 2
- 229940095054 ammoniac Drugs 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- 238000001962 electrophoresis Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 230000001954 sterilising effect Effects 0.000 claims description 2
- 238000004659 sterilization and disinfection Methods 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims 8
- 239000000243 solution Substances 0.000 claims 7
- 239000002270 dispersing agent Substances 0.000 claims 6
- 239000003795 chemical substances by application Substances 0.000 claims 5
- 239000011248 coating agent Substances 0.000 claims 4
- 238000000576 coating method Methods 0.000 claims 4
- 241001502050 Acis Species 0.000 claims 3
- 239000000084 colloidal system Substances 0.000 claims 3
- 239000000839 emulsion Substances 0.000 claims 3
- 150000002148 esters Chemical class 0.000 claims 3
- 150000002500 ions Chemical class 0.000 claims 3
- 238000002156 mixing Methods 0.000 claims 3
- 239000002245 particle Substances 0.000 claims 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910002651 NO3 Inorganic materials 0.000 claims 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims 2
- 239000007864 aqueous solution Substances 0.000 claims 2
- 239000003638 chemical reducing agent Substances 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 238000003801 milling Methods 0.000 claims 2
- 238000000053 physical method Methods 0.000 claims 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 2
- 238000007711 solidification Methods 0.000 claims 2
- 230000008023 solidification Effects 0.000 claims 2
- 239000007921 spray Substances 0.000 claims 2
- 238000004381 surface treatment Methods 0.000 claims 2
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims 1
- 150000005208 1,4-dihydroxybenzenes Chemical class 0.000 claims 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 229910052684 Cerium Inorganic materials 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 239000004594 Masterbatch (MB) Substances 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 229920001131 Pulp (paper) Polymers 0.000 claims 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 239000012752 auxiliary agent Substances 0.000 claims 1
- 239000011230 binding agent Substances 0.000 claims 1
- 229910052793 cadmium Inorganic materials 0.000 claims 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 238000005119 centrifugation Methods 0.000 claims 1
- 239000000919 ceramic Substances 0.000 claims 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 229910017052 cobalt Inorganic materials 0.000 claims 1
- 239000010941 cobalt Substances 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 238000010790 dilution Methods 0.000 claims 1
- 239000012895 dilution Substances 0.000 claims 1
- 239000000975 dye Substances 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 238000000227 grinding Methods 0.000 claims 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims 1
- 230000002209 hydrophobic effect Effects 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 229910052746 lanthanum Inorganic materials 0.000 claims 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 150000007524 organic acids Chemical class 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- 239000003973 paint Substances 0.000 claims 1
- 235000011837 pasties Nutrition 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 239000003495 polar organic solvent Substances 0.000 claims 1
- 229920005862 polyol Polymers 0.000 claims 1
- 150000003077 polyols Chemical class 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 239000010865 sewage Substances 0.000 claims 1
- 239000004332 silver Substances 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 239000012279 sodium borohydride Substances 0.000 claims 1
- 229910000033 sodium borohydride Inorganic materials 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- -1 tetramethyl phenidone Chemical compound 0.000 claims 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- 238000001132 ultrasonic dispersion Methods 0.000 claims 1
- 239000000037 vitreous enamel Substances 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 241000894006 Bacteria Species 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- 230000003115 biocidal effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
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- Catalysts (AREA)
- Paints Or Removers (AREA)
Abstract
A nano-class composition for degradating pollutants and killing bacteria contains nano-TiO2 (0.01-99 mass %), nano-SiO2 or silicon sol (0.01-60) and special nano-material A (0.01-60). Its preparing process is also disclosed.
Description
Technical field: the invention belongs to the antibiotic dirty nano composite material and preparation method thereof of falling, particularly relate to a kind of multifunction green environment protection nano composite material of nano titanium oxide and nano silicon and special nano material A and preparation method thereof.
Background technology: it is a lot of to utilize the photocatalysis property of nano titanium oxide to prepare the method for sterilization and degradation of contaminant material, but because the photocatalytic activity of titanium dioxide is just can embody under water and oxygen and ultraviolet atmosphere, therefore under water and oxygen and ultraviolet ray situation seldom, the activity of titanium dioxide is subjected to very big influence.
Summary of the invention: the present invention adds nano silicon and special nano material A in nano titanium oxide, make it oxygen and water in the abundant absorbed air, and the photocatalysis wave-length coverage of nano titanium oxide is moved to the long wave direction, make the catalytic performance of nano titanium oxide no longer be subjected to ultraviolet restriction, make it under the visible region, also to bring into play its powerful catalytic capability, thereby dirty antibiotic effect falls in the catalysis of having accelerated titanium dioxide.
Goal of the invention: the super oxidability that the objective of the invention is to utilize the synergy of nano titanium oxide, nano silicon, special nano material A to produce, a kind of broad-spectrum photocatalytic nanometer composite of making by scientific formula.
Technical scheme provided by the invention is: a kind of nano composite material, it basic composition is: nano titanium oxide accounts for the 0.01%-99% of nano composite material, nano silicon (or in the Ludox silica net content) accounts for 0.01-60%, and special nano material A accounts for 0.01-60%.Above percentage is mass percent.
Below by embodiment, further illustrate outstanding feature of the present invention and marked improvement, only be to illustrate the present invention rather than restriction the present invention.
Embodiment 1
0.8g nanometer anatase titania, 2g nano silicon, 0.1g Nano Silver are mixed, make the mixed powder of nano titanium oxide, nano silicon, three kinds of nano composite materials of Nano Silver, with 300 rev/mins rotating speed mechanical agitation half an hour, after disperseing 30 minutes with ultrasonic wave again, make it the drying that is uniformly dispersed.Just make environment-friendly materials with ultra-bright light catalysis degradation antimicrobial effect.
Embodiment 2
(1), titanium tetrachloride under agitation be added to the water (temperature is controlled at 0 ℃-2 ℃).In this process, control titanium tetrachloride or titanium sulfate concentration be 5mol/L.Obtain clear solution.
(2), in (1) resulting solution, add the sulfate of ammoniac solution (temperature is controlled at below 20 ℃) that is dissolved with small amount of hydrochloric acid, stirring.In this process, the molar concentration rate of titanium and sulfate ion is 5: 1, obtains suspension.Add certain density ammonia spirit again.Solution is transferred to alkalescence.Obtain oar liquid.
(3), (2) resulting oar material is washed with water repeatedly, washing methods can adopt centrifuge to separate or film is handled or electrophoresis desalts.Add certain amount of nano silica (or Ludox) and Nano Silver in the oar material after washing, fully disperse with the method that ball milling disperses.
(4), the mixture after (3) disperseed is 95 ℃ of following crystallization 36 hours, obtain the powder shaped nano composite material or make the nano composite material of definite shape 40 ℃ of following dryings.
Claims (10)
1, a kind of nano composite material, it mainly consists of:
Nano titanium oxide: 0.01-99%,
Nano silicon or Ludox, wherein the nano silicon net content accounts for this nano composite material: 0.01-60%
Special nano material A:0.01-60%,
Above percentage is mass percent.
2, nano composite material according to claim 1 is characterized in that: the form of this nano composite material can be solid-state, liquid, colloid shape, pasty state.
3, nano composite material according to claim 1 is characterized in that: nano titanium oxide is any than mixing of rutile-type, anatase titanium dioxide, plate titanium type, armorphous or above 4 kinds of forms.The nano titanium oxide surface treatment can be hydrophilic or hydrophobic also can be not carry out surface treatment.The particle diameter scope of nano titanium oxide is 1-100nm, and the particle diameter scope of special nano material A is 1-100nm, and the particle diameter scope of nano silicon is 1-100nm.
4, nano composite material according to claim 1, it is characterized in that: special nano material A is: metal simple-substance or its oxide or its sulfide of silver, copper, iron, platinum, magnesium, aluminium, lanthanum, sodium, cerium, manganese, cobalt, nickel, zinc, cadmium, potassium, calcium, lithium, tungsten, gold or contain the aqueous solution of its ion, or above many compositions is any than mixing.
5, the preparation method of nano composite material according to claim 1, it is characterized in that: nano titanium oxide, nano silicon (or mixture of Ludox or nano silicon and Ludox), special nano material A are directly mixed, perhaps be mixed together evenly, make after the drying and have high efficiency photocatalysis and fall dirty a kind of nano composite material with water.
6, the preparation method of nano composite material according to claim 1, its feature can also be: with nano titanium oxide, nano silicon (or mixture of Ludox or nano silicon and Ludox), one or more compositions among these several nano materials of special nano material A add respectively in the common dispersants and to disperse or to disperse the nano material after these several dispersions to be mixed after (or physical method and dispersant method shared) by physical method again, make and have high efficiency photocatalysis and fall dirty a kind of nano composite material, this material shape is solid or liquid or colloid.
7, the preparation method of nano composite material according to claim 1, its feature can also be:
(1), nano titanium oxide, nano silicon are distributed in the water with method ultrasonic or stirring or dispersant, obtain nano titanium oxide and nano silicon mixing suspension.
(2), in the nitrate aqueous solution of special nano material A, add ammoniacal liquor, make it to generate complex solution, the concentration of the nitrate in the complex solution is 0.001-10mol/L, this complex solution is joined in (1) made suspension, repeatedly centrifugal washing obtains being adsorbed with the nano silicon and the nano titanium oxide of special material A ammonium complex ion.
(3), nano silicon and the nano titanium oxide that obtains being adsorbed with special material A ammonium complex ion in (2) is dispersed in the polar organic solvent, make nano silicon and the nano titanium oxide concentration in organic solvent be respectively 0.01-5mol/L; In this dispersion liquid, add ammoniacal liquor again, and then add esters of silicon acis [Si (OR)
4], the concentration that makes mixed ammonia is 0.001-10mol/L, the concentration of esters of silicon acis is 0.001-3mol/L, reacts 1-100 hour down at 15-60 ℃, obtains suspension.
(4), with the centrifugal again washing of suspension that step (3) obtains, be dispersed in the water, the scope of the weight ratio of its solid weight and water is (0.001-0.8): 1; Add reducing agent,, obtain suspension 15-60 ℃ of reaction 1-100 hour down, centrifugation again, gained precipitated drying after, promptly obtain the composite function nano material of forming by special nanometer A/ nano silicon/nano titanium oxide.
(5), (1)-(4) described esters of silicon acis [Si (OR)
4] in R be-C
nH
2n+1, n=1-5; (1)-(4) described nano silicon can be common nano silicon, gas phase nano silica, also can be the Ludox of nano-silica-containing; (1)-(4) described reducing agent comprises organic acid, organic amine, polyol and other is as hydrazine hydrate, sodium borohydride, hydroquinones, tetramethyl phenidone or their mixture.
8, the preparation method of nano composite material according to claim 1, its feature can also be:
(1), titanium tetrachloride or titanium sulfate (temperature is controlled at below 20 ℃) under agitation be added to the water (temperature is controlled at-2 ℃-20 ℃).In this process, control titanium tetrachloride or titanium sulfate concentration be 0.1-5mol/L.Obtain clear solution.
(2), in (1) resulting solution, add the sulfate of ammoniac solution (temperature is controlled at below 20 ℃) that is dissolved with small amount of hydrochloric acid, stirring.In this process, the molar concentration rate of titanium and sulfate ion is (0.1-5): 1, obtain suspension.Add certain density ammonia spirit again.Solution is transferred to alkalescence.Obtain oar liquid.
(3), (2) resulting oar material is washed with water repeatedly, washing methods can adopt centrifuge to separate or film is handled or electrophoresis desalts.Add certain amount of nano silica (or Ludox) and special nano material A in the oar material after washing, fully disperse, used process for dispersing has physics to disperse or the method for adding dispersant is disperseed, or two kinds of methods are shared.The physics process for dispersing has one or more process for dispersing among ultrasonic dispersion, grinding dispersion, general milling dispersion, vibratory milling dispersion, colloid mill dispersion, the dispersion of air mill, the mechanical agitation dispersion shared.The process for dispersing of dispersant is meant and adopts the method for organic or inorganic dispersant commonly used to disperse.
(4), the mixture after (3) disperseed 20 ℃-120 ℃ following crystallization 2-36 hour, obtain the powder shaped nano composite material or make the nano-composite material membrane of definite shape 20 ℃ of-120 ℃ of following dryings.
9, the application of nano composite material according to claim 1, it is characterized in that: the described nano composite material of claim 1 directly can be sneaked in the emulsion or inorganic solidification agent or organic curing agent or any mixture among them that coating uses, disperse and dilution after spray or be coated with or be dipped in body surface and use; Also can sneak in the coating commonly used emulsion or modified emulsion or inorganic solidification agent or organic curing agent or any mixture among them, add behind the organic or inorganic auxiliary agent commonly used in entry and the coating spray or be coated with or be dipped in body surface and use.
10, the application of nano composite material according to claim 1 is characterized in that: this nano composite material can be used as masterbatch and directly sneaks in paint, ceramic glaze, vitreous enamel, binding agent, curing agent, the dyestuff and use; Also can add in plastics, fiber, cloth, paper pulp, metal, glass or other macromolecular material and use.Make this material have functions such as sewage disposal, air cleaning, sterilization, anticorrosion, product surface purified treatment, object coating film treatment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200510100822.8A CN1785502A (en) | 2005-11-02 | 2005-11-02 | Nano-composite composite material and its preparation method |
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| CN200510100822.8A CN1785502A (en) | 2005-11-02 | 2005-11-02 | Nano-composite composite material and its preparation method |
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|---|---|
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| CN101638218B (en) * | 2009-08-19 | 2011-11-23 | 中国科学院化学研究所 | Nano composite material, preparation method and application thereof |
| CN102513092A (en) * | 2007-06-05 | 2012-06-27 | 国立大学法人东京大学 | Photocatalyst material, process for producing the photocatalyst material, and method for decomposing contaminant using the material |
| CN104549274A (en) * | 2015-01-05 | 2015-04-29 | 国家纳米技术与工程研究院 | Method for preparing composite nanometer titanium dioxide photocatalytic material |
| CN104876645A (en) * | 2015-05-26 | 2015-09-02 | 绥阳县华夏陶瓷有限责任公司 | Glass fiber containing antibacterial glaze and manufacture method thereof |
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