KR100869666B1 - 나노크기의 이산화티탄 입자의 합성방법 - Google Patents
나노크기의 이산화티탄 입자의 합성방법 Download PDFInfo
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- KR100869666B1 KR100869666B1 KR1020077008371A KR20077008371A KR100869666B1 KR 100869666 B1 KR100869666 B1 KR 100869666B1 KR 1020077008371 A KR1020077008371 A KR 1020077008371A KR 20077008371 A KR20077008371 A KR 20077008371A KR 100869666 B1 KR100869666 B1 KR 100869666B1
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- titanium dioxide
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- 239000002245 particle Substances 0.000 title claims abstract description 47
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 17
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 10
- 239000002105 nanoparticle Substances 0.000 title 1
- 239000010936 titanium Substances 0.000 claims abstract description 79
- 229910010413 TiO 2 Inorganic materials 0.000 claims abstract description 56
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 49
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 12
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 9
- -1 synthesis method Substances 0.000 claims abstract description 8
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 238000001308 synthesis method Methods 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- 229910052719 titanium Inorganic materials 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 20
- 150000002500 ions Chemical class 0.000 claims description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 14
- 239000012535 impurity Substances 0.000 claims description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- XFVGXQSSXWIWIO-UHFFFAOYSA-N chloro hypochlorite;titanium Chemical compound [Ti].ClOCl XFVGXQSSXWIWIO-UHFFFAOYSA-N 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 238000003786 synthesis reaction Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 239000012153 distilled water Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 5
- 229910021645 metal ion Inorganic materials 0.000 claims description 5
- 239000011164 primary particle Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 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 4
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 4
- 229910052703 rhodium Inorganic materials 0.000 claims description 4
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 229910000348 titanium sulfate Inorganic materials 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
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 238000000527 sonication Methods 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims 1
- 229910052786 argon Inorganic materials 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 239000000284 extract Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000011651 chromium Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 description 4
- 238000000445 field-emission scanning electron microscopy Methods 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 101710134784 Agnoprotein Proteins 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical class [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- OTCVAHKKMMUFAY-UHFFFAOYSA-N oxosilver Chemical group [Ag]=O OTCVAHKKMMUFAY-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- LEQZGTOEYZBNNG-UHFFFAOYSA-N chromium(3+) hexahydrate Chemical compound O.O.O.O.O.O.[Cr+3] LEQZGTOEYZBNNG-UHFFFAOYSA-N 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
- C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
- C01G23/0536—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing chloride-containing salts
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
- C09C1/3653—Treatment with inorganic compounds
- C09C1/3661—Coating
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
Claims (18)
- 밀폐된 반응 용기에서 물의 포화 증기압 이상의 압력 및 100℃를 초과하는 온도에서 Ti(OH)4를 반응시켜 TiO2 입자를 제조하는 반응 단계를 포함하는, 이산화티탄(TiO2)입자의 합성방법.
- 제1항에 있어서, 상기 반응 단계 전에, 수용성의 티탄 이온 또는 티탄 착물 이온의 용액에 알칼리 물질을 가한 다음, 혼합물의 pH를 4 이상으로 조절함으로써 Ti(OH)4를 합성하는 단계를 추가로 포함하는, 이산화티탄(TiO2) 입자의 합성방법.
- 제2항에 있어서, 수용성 티탄 이온이 사염화티탄, 삼염화티탄, 옥시염화티탄 및 황산티탄으로 이루어진 그룹으로부터 선택되는, 이산화티탄(TiO2) 입자의 합성방법.
- 제2항에 있어서, 알칼리 물질이 NaOH, KOH 및 NH4OH로 이루어진 그룹으로부터 선택되는, 이산화티탄(TiO2) 입자의 합성방법.
- 제2항에 있어서, Ti(OH)4의 합성 후에 그리고 반응 단계 전에, Ti(OH)4로부 터 불순물 이온을 제거하는 단계를 추가로 포함하는, 이산화티탄(TiO2) 입자의 합성방법.
- 제1항에 있어서, 압력이 반응 용기 내부로부터의 수증기, 반응 용기 외부로부터의 수증기, 반응 용기 외부로부터 공급된 가스 또는 이들의 혼합물에 의해 공급되는, 이산화티탄(TiO2) 입자의 합성방법.
- 제6항에 있어서, 가스가 불활성 가스인, 이산화티탄(TiO2) 입자의 합성방법.
- 제2항에 있어서, 알칼리 물질을 가하기 전에, 수용성의 티탄 이온 또는 티탄 착물 이온의 용액에 금속 이온을 갖는 하나 이상의 수용성 금속염을 가하고, 금속 이온과 티탄 이온을 금속 도핑된 Ti(OH)4로서 공침전시키는 단계를 추가로 포함함으로써, 반응 단계에 의해 제조된 TiO2 입자가 금속 도핑된 TiO2로 되는, 이산화티탄(TiO2) 입자의 합성방법.
- 제8항에 있어서, 수용성 금속염이 Ag, Zn, Cu, V, Cr, Mn, Fe, Co, Ni, Ge, Mo, Ru, Rh, Pd, Sn, W, Pt, Au, Sr, Al 및 Si의 수용성 금속염으로 이루어진 그룹으로부터 선택되는, 이산화티탄(TiO2) 입자의 합성방법.
- 제5항에 있어서, 불순물 이온의 제거 후에 그리고 반응 단계 전에, 증류수 속에서의 초음파 처리에 의해 Ti(OH)4를 분산시키는 단계를 추가로 포함하는, 이산화티탄(TiO2) 입자의 합성방법.
- 제10항에 있어서, 분산된 Ti(OH)4에 하나 이상의 수용성 금속염을 가한 다음, 분산된 Ti(OH)4와 금속염과의 혼합물을 반응 단계 전에 5분 이상 동안 에이징시켜, 반응 단계에 의해 제조된 TiO2 입자가 금속 피복된 TiO2로 되는, 이산화티탄(TiO2) 입자의 합성방법.
- 제11항에 있어서, 에이징 단계가 100℃ 미만의 온도에서 실시되는, 이산화티탄(TiO2) 입자의 합성방법.
- 제11항에 있어서, 수용성 금속염이 Ag, Zn, Cu, V, Cr, Mn, Fe, Co, Ni, Ge, Mo, Ru, Rh, Pd, Sn, W, Pt, Au, Sr, Al 및 Si의 수용성 금속염으로 이루어진 그룹으로부터 선택되는, 이산화티탄(TiO2) 입자의 합성방법.
- 제1항에 있어서, 이산화티탄(TiO2) 입자가 1차 입자의 평균 크기가 150nm 미 만인 입자를 포함하는, 이산화티탄(TiO2) 입자의 합성방법.
- 제1항에 있어서, TiO2 입자가 구형 형상 계수(spherical form factor)를 갖는 입자를 포함하는, 이산화티탄(TiO2) 입자의 합성방법.
- 제1항에 있어서, TiO2 입자가 침상형 입자를 포함하는, 이산화티탄(TiO2) 입자의 합성방법.
- 제5항에 있어서, Ti(OH)4를 농축 및 건조시키는 단계를 추가로 포함하는, 이산화티탄(TiO2) 입자의 합성방법.
- 제17항에 있어서, 농축 및 건조된 Ti(OH)4가 Ti(OH)4의 농축도에 따라 용액, 슬러리, 케이크 또는 건조된 분말 형태로 제조되는, 이산화티탄(TiO2) 입자의 합성방법.
Applications Claiming Priority (2)
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US61878104P | 2004-10-14 | 2004-10-14 | |
US60/618,781 | 2004-10-14 |
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KR20070106975A KR20070106975A (ko) | 2007-11-06 |
KR100869666B1 true KR100869666B1 (ko) | 2008-11-21 |
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US (1) | US20080064592A1 (ko) |
EP (1) | EP1812348A4 (ko) |
JP (1) | JP2008516880A (ko) |
KR (1) | KR100869666B1 (ko) |
CN (1) | CN101065325B (ko) |
WO (1) | WO2006044495A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101082058B1 (ko) | 2009-02-18 | 2011-11-10 | 한국수력원자력 주식회사 | 나노크기의 이산화티타늄 제조방법 및 이를 이용한 원자로 증기발생기 전열관의 응력부식균열 억제방법 |
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CN101065205A (zh) * | 2004-10-14 | 2007-10-31 | 托库森美国股份有限公司 | 制备高纯度银粒子的方法 |
DE102006029284A1 (de) * | 2006-06-23 | 2007-12-27 | Kronos International, Inc. | Verfahren zur Identifizierung und Verifizierung von Titandioxid-Pigmentpartikel enthaltenden Produkten |
EP2074064A4 (en) * | 2006-09-21 | 2013-06-05 | Tokusen U S A Inc | LOW TEMPERATURE PROCESS FOR PRODUCING TITANIUM DIOXIDE PARTICLES OF A NANOMETER SIZE |
KR100864230B1 (ko) * | 2007-01-30 | 2008-10-17 | 고려대학교 산학협력단 | 티타니아 나노와이어 형성방법 |
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WO2006044495A1 (en) | 2006-04-27 |
US20080064592A1 (en) | 2008-03-13 |
CN101065325B (zh) | 2010-08-11 |
JP2008516880A (ja) | 2008-05-22 |
KR20070106975A (ko) | 2007-11-06 |
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CN101065325A (zh) | 2007-10-31 |
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