KR101187872B1 - 미세다공성 마그네타이트 및 이의 제조 방법 - Google Patents
미세다공성 마그네타이트 및 이의 제조 방법 Download PDFInfo
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- KR101187872B1 KR101187872B1 KR1020090091774A KR20090091774A KR101187872B1 KR 101187872 B1 KR101187872 B1 KR 101187872B1 KR 1020090091774 A KR1020090091774 A KR 1020090091774A KR 20090091774 A KR20090091774 A KR 20090091774A KR 101187872 B1 KR101187872 B1 KR 101187872B1
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- magnetite
- microporous
- block copolymer
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 108
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
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- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 24
- 239000002243 precursor Substances 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 229920001451 polypropylene glycol Polymers 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 10
- 239000002069 magnetite nanoparticle Substances 0.000 claims description 8
- 229920000469 amphiphilic block copolymer Polymers 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000007810 chemical reaction solvent Substances 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 3
- 229920000463 Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol) Polymers 0.000 claims description 2
- 230000002209 hydrophobic effect Effects 0.000 claims description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 28
- 239000011148 porous material Substances 0.000 abstract description 23
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 14
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- 239000003054 catalyst Substances 0.000 abstract description 7
- 230000000877 morphologic effect Effects 0.000 abstract description 6
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- 239000011029 spinel Substances 0.000 abstract description 4
- 238000000197 pyrolysis Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 238000002441 X-ray diffraction Methods 0.000 description 9
- 238000002296 dynamic light scattering Methods 0.000 description 9
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
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- 229910052757 nitrogen Inorganic materials 0.000 description 4
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
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- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 3
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- RVGRUAULSDPKGF-UHFFFAOYSA-N Poloxamer Chemical compound C1CO1.CC1CO1 RVGRUAULSDPKGF-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013335 mesoporous material Substances 0.000 description 2
- 239000002907 paramagnetic material Substances 0.000 description 2
- 238000000634 powder X-ray diffraction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009870 specific binding Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910016523 CuKa Inorganic materials 0.000 description 1
- 238000005169 Debye-Scherrer Methods 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229910017135 Fe—O Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 229920002415 Pluronic P-123 Polymers 0.000 description 1
- 229920002057 Pluronic® P 103 Polymers 0.000 description 1
- 229920002066 Pluronic® P 65 Polymers 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- 238000006482 condensation reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- -1 for example Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005305 interferometry Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000012229 microporous material Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000001420 photoelectron spectroscopy Methods 0.000 description 1
- 229920001992 poloxamer 407 Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- 229920000428 triblock copolymer Polymers 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/08—Ferroso-ferric oxide [Fe3O4]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Iron (AREA)
Abstract
Description
Claims (14)
- 삭제
- 삭제
- (S1) 양친매성 블록 공중합체를 사용하여 친수성 용매 하에서 마이셀을 형성하는 단계;(S2) 마그네타이트 전구체를 투입하여 상기 마이셀을 주형으로 마그네타이트 입자를 제조하는 단계; 및(S3) 소결하는 단계를포함하는 것을 특징으로 하는 마그네타이트 나노입자로 이루어져 있는 미세다공성(mesoporous) 마그네타이트 집합체의 제조 방법.
- 제 3항에 있어서, 상기 친수성 용매는 물, 탄소수 1 내지 8의 알코올 또는 이들의 혼합물인 것을 특징으로 하는 제조 방법.
- 제 3항에 있어서, 상기 블록 공중합체를 내에 존재하는 친수성 블록의 탄소 수는 50-150개이고, 소수성 블록의 탄소수 20-90개인 것을 특징으로 하는 제조 방법.
- 제 3항에 있어서, 상기 양친매성 블록 공중합체는 폴리(에틸렌 옥사이드)-폴리(프로필렌 옥사이드) 이중 블록 공중합체 또는 폴리(에틸렌 옥사이드)-폴리(프로필렌 옥사이드)-폴리(에틸렌 옥사이드) 삼중 블록 공중합체인 것을 특징으로 하는 제조 방법.
- 제 3항에 있어서, 상기 (S2) 단계의 반응 용매의 pH는 7-10인 것을 특징으로 하는 제조 방법.
- 제 3항에 있어서, 상기 블록 공중합체와 마그네타이트 전구체의 몰 비(블록 공중합체:마그네타이트)는 1:10 내지 1:80인 것을 특징으로 하는 제조 방법.
- 제 8항에 있어서, 상기 블록 공중합체와 마그네타이트 전구체의 몰 비(블록 공중합체:마그네타이트)는 1:50 내지 1:80인 것을 특징으로 하는 제조 방법.
- 제 3항에 있어서, 상기 (S2) 단계의 반응 온도는 30-50℃인 것을 특징으로 하는 제조 방법.
- 제 3항에 있어서, 상기 (S2) 단계의 반응 시간은 12-48시간인 것을 특징으로 하는 제조 방법.
- 제 3항에 있어서, 상기 소결 온도는 300-1000℃인 것을 특징으로 하는 제조 방법.
- 제 3항에 있어서, 상기 마그네타이트 전구체는 Fe(OEt)3, FeSO4, Fe(NO3), FeCl3 또는 이들의 혼합물인 것을 특징으로 하는 제조 방법.
- 제 3항 내지 제 13항 중 어느 한 항에 있어서, 상기 마그네타이트 집합체는 구형인 것을 특징으로 하는 제조 방법.
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KR101422090B1 (ko) * | 2012-02-14 | 2014-07-23 | 강원대학교산학협력단 | 단일 공정을 이용한 코어 쉘 구조의 산화철 미립자 제조 방법 및 이에 의해 제조된 산화철 미립자 중공구체 |
KR102001724B1 (ko) * | 2017-07-20 | 2019-07-18 | 서울대학교산학협력단 | 나노입자 어셈블리 구조체 및 이를 이용한 면역 분석 방법 |
CN108597911B (zh) * | 2018-04-26 | 2020-02-07 | 上海交通大学 | 一种具有贯通介孔结构的二维氮掺杂碳材料及其制备方法 |
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US6866925B1 (en) | 1999-11-02 | 2005-03-15 | Rhodia Chimie | Mesostructured material incorporating particles of nanometric dimensions |
KR100846839B1 (ko) | 2006-12-05 | 2008-07-16 | 재단법인서울대학교산학협력재단 | 산화금속 중공 나노캡슐 및 이의 제조방법 |
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US6866925B1 (en) | 1999-11-02 | 2005-03-15 | Rhodia Chimie | Mesostructured material incorporating particles of nanometric dimensions |
KR100846839B1 (ko) | 2006-12-05 | 2008-07-16 | 재단법인서울대학교산학협력재단 | 산화금속 중공 나노캡슐 및 이의 제조방법 |
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