CN1300804A - Active oxide coated porous powder and its preparing process and application - Google Patents
Active oxide coated porous powder and its preparing process and application Download PDFInfo
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- CN1300804A CN1300804A CN99126362A CN99126362A CN1300804A CN 1300804 A CN1300804 A CN 1300804A CN 99126362 A CN99126362 A CN 99126362A CN 99126362 A CN99126362 A CN 99126362A CN 1300804 A CN1300804 A CN 1300804A
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- oxide
- weight
- silicide
- porous powder
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- 239000000843 powder Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title description 4
- 239000000203 mixture Substances 0.000 claims abstract description 31
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910001868 water Inorganic materials 0.000 claims abstract description 17
- 229910000480 nickel oxide Inorganic materials 0.000 claims abstract description 14
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims abstract description 13
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims abstract description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000001699 photocatalysis Effects 0.000 claims abstract description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract 8
- 239000000945 filler Substances 0.000 claims abstract 2
- 229920000642 polymer Polymers 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 28
- 229910021332 silicide Inorganic materials 0.000 claims description 25
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 25
- 239000002002 slurry Substances 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 20
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 14
- 238000000227 grinding Methods 0.000 claims description 14
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 11
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 10
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical group O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 9
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000004408 titanium dioxide Substances 0.000 claims description 8
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- -1 alkaline earth metal salt Chemical class 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims description 7
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 4
- 229920003064 carboxyethyl cellulose Polymers 0.000 claims description 4
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 4
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims description 4
- 150000007524 organic acids Chemical class 0.000 claims description 4
- 150000003609 titanium compounds Chemical class 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- 229920003169 water-soluble polymer Polymers 0.000 claims description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 229920000609 methyl cellulose Polymers 0.000 claims description 2
- 239000001923 methylcellulose Substances 0.000 claims description 2
- 125000005624 silicic acid group Chemical group 0.000 claims description 2
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 2
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 claims 2
- 229940117975 chromium trioxide Drugs 0.000 claims 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N chromium trioxide Inorganic materials O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims 2
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 claims 2
- 239000000377 silicon dioxide Substances 0.000 claims 2
- 239000002202 Polyethylene glycol Substances 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 238000004887 air purification Methods 0.000 claims 1
- 239000012080 ambient air Substances 0.000 claims 1
- 230000000844 anti-bacterial effect Effects 0.000 claims 1
- 230000003373 anti-fouling effect Effects 0.000 claims 1
- 238000009835 boiling Methods 0.000 claims 1
- 125000005619 boric acid group Chemical group 0.000 claims 1
- 229910052681 coesite Inorganic materials 0.000 claims 1
- 229910052906 cristobalite Inorganic materials 0.000 claims 1
- 230000001877 deodorizing effect Effects 0.000 claims 1
- 239000000976 ink Substances 0.000 claims 1
- 150000007522 mineralic acids Chemical class 0.000 claims 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
- 239000008188 pellet Substances 0.000 claims 1
- 229920001223 polyethylene glycol Polymers 0.000 claims 1
- 238000001694 spray drying Methods 0.000 claims 1
- 229910052682 stishovite Inorganic materials 0.000 claims 1
- 229910052905 tridymite Inorganic materials 0.000 claims 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 13
- 239000002253 acid Substances 0.000 abstract description 4
- 239000003973 paint Substances 0.000 abstract 2
- 241000894006 Bacteria Species 0.000 abstract 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 20
- 238000005245 sintering Methods 0.000 description 16
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- 239000011324 bead Substances 0.000 description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 206010013786 Dry skin Diseases 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000265 homogenisation Methods 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 4
- 229910001864 baryta Inorganic materials 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate group Chemical group [N+](=O)([O-])[O-] NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 2
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- 238000012695 Interfacial polymerization Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 238000005354 coacervation Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007704 wet chemistry method Methods 0.000 description 1
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- Catalysts (AREA)
Abstract
A porous powder coated by high-activity oxide is prepared from the mixture of two or more chosen from nm-class TiO2, alumina, Cr2O3, nickel oxide, and iron oxide (25-65%), alkali-earth metal oxide (5-60%), and silicial and/or bromide and/or rare-earth oxide (5-45%) through mixing them with water, high-moleccular polymer and acid, homogenizing and further processing. Said powder can be used to preparing paint to clean air, deodour, and resist bacteria, photocatalytic ink, printed paint and co-filler. It has improved dispersity, durability and weatherability.
Description
The invention belongs to nano inorganic powder material technology field, particularly porous powder material, especially the nano level TiO of high activity oxide coating
2Powder body material that coats and its production and use.
Up to now, the powder body material that contains coated by titanium dioxide, not only can be coated in paper, plastics, timber and metallic surface and play pearly-lustre or interception, and because its particle diameter is very little, specific surface is big, contain air again, its density is reduced, when it and some special auxiliary agent combine, can make the function (as photocatalytic activity) of coating obtain unconventional performance.
Disclosed clad nano level oxide powder normally adopts wet chemistry methods such as coprecipitation method, calpis method and hydrothermal method, be prepared into fine powder earlier, can make meticulous coating micro-capsule powder body material through emulsion polymerization, interfacial polymerization, simple coacervation and dry bath method again.The powder body material of these coatings has high reactivity and big specific surface, but has also produced very easily adsorbed gas and liquid, and powder is easily reunited and the shortcoming that causes its due performance to be difficult to bring into play.The report of this respect is referring to the article of " modern chemical industry " magazine 1999 the 19th volumes the 9th phase the 50th page article and 1999 the 5th volumes of " Chinese powder technology " magazine the 5th phase 18-20 page or leaf.
The objective of the invention is to overcome the shortcoming of above-mentioned technology, the porous powder material, especially the nano level TiO that provide high activity oxide to coat
2Powder body material that coats and its production and use.The powder body material that this oxide compound coats, because the extraordinary form on its surface, its dispersiveness, weather resistance, weathering resistance are improved, and then improve its surfactivity, make its surface possess new physics, chemistry, optical characteristics, adapting to different application requiring, thereby improve the added value of the powder body material that this technology of employing makes greatly.
The object of the present invention is achieved like this:
The porous powder that high activity oxide provided by the invention coats, its composition (weight percent) contains: Nano titanium dioxide, Nano titanium dioxide and alumina in Nano level or with the nano level chromium sesquioxide or with nano level nickel oxide or the mixture formed with nanometer ferro oxide, or any two or more the compound in Nano titanium dioxide and alumina in Nano level, nano level chromium sesquioxide, nano level nickel oxide and the nanometer ferro oxide is by the mixture of any part by weight composition: 25%～65%;
Alkaline earth metal oxide: 5%～60%;
Silicide, or silicide and boride or the mixture formed with rare earth oxide, or the mixture of silicide and boride and rare earth oxide composition, wherein silicide accounts for the over half of mixture weight:
5％～45％。Wherein alkaline earth metal oxide is BaO, CaO or MgO etc.; Silicide is SiO
2Or Na
2SiO
3Deng; Boride is B
2O
3, H
3BO
3Or Na
2B
4O
7Deng; Rare earth oxide is La
2O
3Or CeO
2Deng.
The preparation method of the porous powder that high activity oxide provided by the invention coats carries out according to the following steps:
Add Nano titanium dioxide or alumina in Nano level or nano level chromium sesquioxide or nano level nickel oxide or nanometer ferro oxide earlier, or above-claimed cpd with two or more by any part by weight blended mixture, the add-on of wherein said compound or mixture is weight percentage 10%～25%; Weight percent is that 10%～30% alkaline earth metal oxide and weight percent are 40%～65% water, stirs; Add silicide again, or silicide and boride or the mixture formed with rare earth oxide, or the mixture formed of silicide and boride and rare earth oxide, the add-on of wherein said silicide or mixture is weight percentage 0.5%～10%, and described silicide accounts for the over half of mixture weight; Weight percent is 0.1%～5% high molecular weight water soluble polymer, weight percent is 0～10% mineral acid or organic acid, stir through abundant down at 50～90 ℃, to becoming meticulous homogeneous slurry, wherein grinding medium is the zirconium dioxide bead more than 1 hour in grinding; Adopt conventional drying process then, meticulous homogeneous slurry is processed into granular powder; Through 500 ℃ to 1200 ℃ high temperature sinterings 0.01～3 minute, promptly obtain the porous powder carrier then; Then the porous powder carrier behind the sintering is put in the aqueous solution that contains oxide compound, fully stirred after 10 minutes～30 minutes again drying or handle, can obtain the porous powder material that high activity oxide coats through 500 ℃～1200 ℃ high temperature sinterings;
Wherein said component and the weight percent content that contains the aqueous solution of oxide compound is:
Nano titanium dioxide 2%～10%;
Titanium compound 0～15%;
Soluble alkaline earth salt 5%～30%;
Boride 0～10%;
Silicide 0～10%;
Water 65%～90%.
Wherein
Alkaline earth metal oxide is BaO, CaO or MgO etc. in the described meticulous homogeneous slurry; Silicide is SiO
2Or Na
2SiO
3Deng; Boride is B
2O
3, H
3BO
3Or Na
2B
4O
7Deng; Rare earth oxide is La
2O
3Or CeO
2Deng; High molecular weight water soluble polymer is polyvinyl alcohol (PVA), polyoxyethylene glycol (PEG), polyoxyethylene (PEO), methylcellulose gum (MC), carboxymethyl cellulose (CMC) or carboxyethyl cellulose (EC); Described mineral acid or organic acid are hydrochloric acid, nitric acid, acetic acid or oxalic acid etc.
The drying process of described routine is air stream drying, spraying drying or fluidized drying.
Soluble alkaline earth salt is nitrate of baryta, magnesium nitrate, calcium chloride or magnesium chloride in the described aqueous solution that contains oxide compound; Described titanium compound is a tetrabutyl titanate; Described boride is a boric acid; Described silicide is silicic acid or aerosil.
Purposes of the present invention: but can be used for the coating of production environment purifying air, self-cleaning, deodorization, antibiotic and antiscale and have the printing ink of a series of special uses of photocatalysis characteristic and the stopping composition auxiliary agent of printing coatings by the coated porous powder of high activity oxide provided by the present invention.
Advantage of the present invention: the powder body material that oxide compound of the present invention coats, because the extraordinary form on its surface, its dispersiveness, weather resistance, weathering resistance are improved and improve, and then improve its surfactivity, make its surface possess new physics, chemistry, optical characteristics, adapting to different application requiring, thereby improve the added value of the powder body material that this technology of employing makes greatly.
The present invention is described in detail below in conjunction with example: but described embodiment limits protection scope of the present invention absolutely not.
Embodiment 1:
Nano titanium dioxide 20% (weight)
BaO 20% (weight)
SiO
25% (weight)
Polyvinyl alcohol (PVA) 2% (weight)
Water 50% (weight)
Hydrochloric acid 3% (weight)
Earlier add Nano titanium dioxide, BaO and water according to the above ratio, stir, add SiO again
2, polyvinyl alcohol (PVA), hydrochloric acid, 50 ℃ down through fully stirring, grinds 3 hours extremely meticulous homogeneous slurry, wherein grinding medium is the zirconium dioxide bead.Adopt air stream drying then, meticulous homogeneous slurry is processed into the granular powder that median size is 25 μ m.Through 500 ℃ of high temperature sinterings 3 minutes, promptly obtain the porous powder carrier then.Porous powder carrier behind the sintering is put in the aqueous solution that concentration expressed in percentage by weight is 5% titanium dioxide and 10% nitrate of baryta then, fully stir drying and 500 ℃ of high temperature sinterings processing again after 30 minutes, can obtain median size is the coated porous powder body material of high activity oxide of 26 μ m.Contained component and weight percent are: Nano titanium dioxide 50%; BaO40%; SiO
210%.
Embodiment 2
Alumina in Nano level 23% (weight)
CaO 20% (weight)
SiO
2And B
2O
35% (weight)
SiO wherein
2And B
2O
3Weight ratio 3: 2
Polyoxyethylene (PEO) 0.2% (weight)
Water 50% (weight)
Mineral acid or organic acid 1.8% (weight)
Earlier add alumina in Nano level, CaO and water according to the above ratio, stir, add other component again, became meticulous homogeneous slurry in 2 hours through fully stirring, grinding down at 60 ℃, wherein grinding medium is the zirconium dioxide bead.Under 115 ℃ of conditions, slurries are carried out spraying drying then, meticulous homogeneous slurry is processed into the granular powder that median size is 30 μ m.Through 800 ℃ of high temperature sinterings 2 minutes, promptly obtain the porous powder carrier then.Then the porous powder carrier behind the sintering is put into that to contain weight percent be that 3% Nano titanium dioxide and weight percent are 5% calcium chloride and in the aqueous solution of homogenization treatment, fully stirred after 10 minutes and can obtain the coated porous powder body material of high activity oxide that diameter is 30.5 μ m particle diameters 120 ℃ of dryings again; Contained component and weight percent are: Nano titanium dioxide 5.9%, alumina in Nano level 45.1%, CaO39.2%, SiO
2And B
2O
39.8%.
Embodiment 3
Nano level chromium sesquioxide 25% (weight)
MgO 15% (weight)
Na
2SiO
35% (weight)
Polyoxyethylene glycol (PEG) 1% (weight)
Water 54% (weight)
Earlier add nano level chromium sesquioxide, MgO and water according to the above ratio, stir, add Na again
2SiO
3And polyglycol (PEG), became meticulous homogeneous slurry in 1.5 hours through fully stirring, grinding down at 80 ℃, wherein grinding medium is the zirconium dioxide bead.Under 120 ℃ of conditions, slurries are carried out spraying drying then, meticulous homogeneous slurry is processed into the granular powder that median size is 20 μ m.Through 1000 ℃ of high temperature sinterings 1 minute, promptly obtain the porous powder carrier then.Then the porous powder carrier behind the sintering is put into and contained Nano titanium dioxide 6% (weight percent), magnesium chloride 5% (weight percent) and boric acid 5% (weight percent) and in the aqueous solution of homogenization treatment, fully stir after 20 minutes and can obtain the coated porous powder body material of high activity oxide that median size is 21 μ m particle diameters 120 ℃ of dryings again.Contained component and weight percent are: Nano titanium dioxide 11.8%, nano level chromium sesquioxide 49.0%, MgO29.4%, Na
2SiO
39.8%.
Embodiment 4
Nano level nickel oxide 20% (weight)
BaO 15% (weight)
Na
2SiO
3, La
2O
3And Na
2B
4O
7, 10% (weight)
Its weight ratio is Na
2SiO
3: La
2O
3: Na
2B
4O
7=3: 1: 1;
Carboxymethyl cellulose (CMC) 2% (weight)
Water 53% (weight)
Earlier add nano level nickel oxide, BaO and water according to the above ratio, stir, add Na again
2SiO
3, and La
2O
3, Na
2B
4O
7, carboxymethyl cellulose (CMC) and acetic acid, became meticulous homogeneous slurry in 3 hours through fully stirring, grinding down at 90 ℃, wherein grinding medium is the zirconium dioxide bead.Under 120 ℃ of conditions, slurries are carried out spraying drying then, meticulous homogeneous slurry is processed into the granular powder that median size is 30 μ m.1200 ℃ of high temperature sinterings are 0.02 minute then, promptly obtain the porous powder carrier.Then the porous powder carrier behind the sintering is put into and contained Nano titanium dioxide 10% (weight percent), nitrate of baryta 15% (weight percent) and silicic acid 5% (weight percent) and in the aqueous solution of homogenization treatment, fully stir after 30 minutes and can obtain the coated porous powder body material of high activity oxide that median size is 30 μ m particle diameters 120 ℃ of dryings again, contained component and weight percent are: Nano titanium dioxide 18.2%, nano level nickel oxide 36.4%, BaO27.3%, Na
2SiO
3, and La
2O
3, Na
2B
4O
718.1%.
Embodiment 5
Nanometer ferro oxide 20% (weight)
CaO 20% (weight)
SiO
25% (weight)
Carboxyethyl cellulose (EC) 2% (weight)
Water 51% (weight)
Nitric acid 2% (weight)
Earlier add nanometer ferro oxide, CaO and water according to the above ratio, stir, add SiO again
2, poly-carboxyethyl cellulose (EC) and nitric acid, became meticulous homogeneous slurry in 4 hours through fully stirring, grinding down at 70 ℃, wherein grinding medium is the zirconium dioxide bead.Under 120 ℃ of conditions, slurries are carried out spraying drying then, meticulous homogeneous slurry is processed into the granular powder that median size is 8 μ m.Through 900 ℃ of high temperature sinterings 1 minute, promptly obtain the porous powder carrier then.Then the porous powder carrier behind the sintering is put into and contained Nano titanium dioxide 10% (weight percent), tetrabutyl titanate 3% (weight percent), magnesium chloride 10% (weight percent), boric acid 5% (weight percent) and silicic acid 2% (weight percent) and in the aqueous solution of homogenization treatment, fully stir after 30 minutes and can obtain the coated porous powder body material of high activity oxide that diameter is 9 μ m particle diameters 120 ℃ of dryings again, contained component and weight percent are: Nano titanium dioxide 18.2%, nanometer ferro oxide 36.4%, CaO36.4%, SiO
29.1%.
Embodiment 6
The mixture of Nano titanium dioxide and aluminum oxide and nickel oxide, wherein titanium dioxide is 10% (weight),
Aluminum oxide is that 5% (weight) nickel oxide is 3% (weight) 18% (weight)
Ba0 20% (weight)
SiO
25% (weight)
Carboxymethyl cellulose (CMC) 2% (weight)
Water 53% (weight)
Hydrochloric acid 2% (weight)
Add earlier mixture, BaO and the water of Nano titanium dioxide and aluminum oxide and nickel oxide according to the above ratio, stir, add SiO again
2Carboxymethyl cellulose (CMC) and hydrochloric acid became meticulous homogeneous slurry in 3 hours through fully stirring, grinding down at 90 ℃, and wherein grinding medium is the zirconium dioxide bead.Under 120 ℃ of conditions, slurries are carried out spraying drying then, meticulous homogeneous slurry is processed into the granular powder that median size is 35 μ m.Through 1200 ℃ of high temperature sinterings 0.02 minute, promptly obtain the porous powder carrier then.Then the porous powder carrier behind the sintering is put into and contained Nano titanium dioxide 10% (weight percent), nitrate of baryta 5% (weight percent) and silicic acid 5% (weight percent) and in the aqueous solution of homogenization treatment, fully stir after 30 minutes and can obtain the coated porous powder body material of high activity oxide that median size is 36 μ m particle diameters 120 ℃ of dryings again, contained component and weight percent are: the mixture 52.8% of Nano titanium dioxide and aluminum oxide and nickel oxide, BaO37.7%, SiO
29.4%.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99126362A CN1095487C (en) | 1999-12-17 | 1999-12-17 | Active oxide coated porous powder and its preparing process and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99126362A CN1095487C (en) | 1999-12-17 | 1999-12-17 | Active oxide coated porous powder and its preparing process and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1300804A true CN1300804A (en) | 2001-06-27 |
| CN1095487C CN1095487C (en) | 2002-12-04 |
Family
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| CN99126362A Expired - Fee Related CN1095487C (en) | 1999-12-17 | 1999-12-17 | Active oxide coated porous powder and its preparing process and application |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100444952C (en) * | 2006-04-30 | 2008-12-24 | 天津南开戈德集团有限公司 | Supported nanometer crystalline titania photocatalyst and its prepn process |
| CN101070197B (en) * | 2006-05-09 | 2011-04-20 | 北京化工大学 | Method for preparing porous glass ball with optical catalytic activity |
| CN101322497B (en) * | 2008-07-08 | 2012-07-25 | 西南科技大学 | Preparation and application method of active porous mineral doped TiO2 composite catalytic antibacterial material |
| CN102702571A (en) * | 2012-05-23 | 2012-10-03 | 沈阳化工大学 | Preparation method of flame-retardant antibiotic composite material of magnesium hydrate/titanium dioxide |
| CN102924979A (en) * | 2012-11-05 | 2013-02-13 | 昆明理工大学 | Method for preparing inorganic and organic coating titanium dioxide |
| CN106082291A (en) * | 2016-06-22 | 2016-11-09 | 江西鑫陶科技股份有限公司 | A kind of preparation method of activated alumina desiccant |
| CN107683257A (en) * | 2015-03-30 | 2018-02-09 | 谢珀德颜色公司 | The composite of nanocrystal is absorbed containing UV |
| CN109111598A (en) * | 2018-07-18 | 2019-01-01 | 安徽江淮汽车集团股份有限公司 | A kind of preparation method of antibacterial agent |
| CN110526695A (en) * | 2019-09-11 | 2019-12-03 | 三峡大学 | A kind of graphene for injection molding/Ceramic Composite particle and preparation method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411777C (en) * | 2006-03-01 | 2008-08-20 | 中国科学院上海硅酸盐研究所 | Preparation method of aluminum/alumina composite material wrapped with aluminum oxide |
| CN101671499B (en) * | 2009-10-12 | 2012-07-25 | 沈阳化工学院 | Method for preparing ferric oxide composite pigment doped with rare earth and silicon oxide |
| CN101811663B (en) * | 2010-04-14 | 2012-09-05 | 西南大学 | Preparation method of γ-Fe2O3/Ni2O3 composite nanoparticles |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3827646A1 (en) * | 1988-08-16 | 1990-02-22 | Bayer Ag | SINTERABLE RAW MATERIAL POWDER BASED ON ALUMINUM TITANATE, METHOD FOR THE PRODUCTION THEREOF AND THE SINTER MOLDED BODIES MADE THEREOF AND THEIR USE THEREOF |
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1999
- 1999-12-17 CN CN99126362A patent/CN1095487C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100444952C (en) * | 2006-04-30 | 2008-12-24 | 天津南开戈德集团有限公司 | Supported nanometer crystalline titania photocatalyst and its prepn process |
| CN101070197B (en) * | 2006-05-09 | 2011-04-20 | 北京化工大学 | Method for preparing porous glass ball with optical catalytic activity |
| CN101322497B (en) * | 2008-07-08 | 2012-07-25 | 西南科技大学 | Preparation and application method of active porous mineral doped TiO2 composite catalytic antibacterial material |
| CN102702571A (en) * | 2012-05-23 | 2012-10-03 | 沈阳化工大学 | Preparation method of flame-retardant antibiotic composite material of magnesium hydrate/titanium dioxide |
| CN102702571B (en) * | 2012-05-23 | 2014-05-07 | 沈阳化工大学 | Preparation method of flame-retardant antibiotic composite material of magnesium hydrate/titanium dioxide |
| CN102924979A (en) * | 2012-11-05 | 2013-02-13 | 昆明理工大学 | Method for preparing inorganic and organic coating titanium dioxide |
| CN102924979B (en) * | 2012-11-05 | 2014-04-02 | 昆明理工大学 | A kind of preparation method of inorganic and organic coated titanium dioxide |
| CN107683257A (en) * | 2015-03-30 | 2018-02-09 | 谢珀德颜色公司 | The composite of nanocrystal is absorbed containing UV |
| CN106082291A (en) * | 2016-06-22 | 2016-11-09 | 江西鑫陶科技股份有限公司 | A kind of preparation method of activated alumina desiccant |
| CN106082291B (en) * | 2016-06-22 | 2017-09-12 | 江西鑫陶科技股份有限公司 | A kind of preparation method of activated alumina desiccant |
| CN109111598A (en) * | 2018-07-18 | 2019-01-01 | 安徽江淮汽车集团股份有限公司 | A kind of preparation method of antibacterial agent |
| CN110526695A (en) * | 2019-09-11 | 2019-12-03 | 三峡大学 | A kind of graphene for injection molding/Ceramic Composite particle and preparation method thereof |
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| Publication number | Publication date |
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| CN1095487C (en) | 2002-12-04 |
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