KR20040077294A - 초미립 α-알루미나 분말의 제조방법 - Google Patents
초미립 α-알루미나 분말의 제조방법 Download PDFInfo
- Publication number
- KR20040077294A KR20040077294A KR1020030012800A KR20030012800A KR20040077294A KR 20040077294 A KR20040077294 A KR 20040077294A KR 1020030012800 A KR1020030012800 A KR 1020030012800A KR 20030012800 A KR20030012800 A KR 20030012800A KR 20040077294 A KR20040077294 A KR 20040077294A
- Authority
- KR
- South Korea
- Prior art keywords
- aluminum
- alumina
- phase
- ultrafine
- aqueous solution
- Prior art date
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000000843 powder Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims abstract description 16
- 239000011164 primary particle Substances 0.000 claims abstract description 15
- 238000001354 calcination Methods 0.000 claims abstract description 14
- 239000007864 aqueous solution Substances 0.000 claims abstract description 12
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims abstract description 12
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims abstract description 10
- 238000001556 precipitation Methods 0.000 claims abstract description 8
- 150000002500 ions Chemical class 0.000 claims abstract description 6
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims abstract description 5
- 239000000725 suspension Substances 0.000 claims abstract description 4
- 239000002861 polymer material Substances 0.000 claims abstract description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 10
- 239000011368 organic material Substances 0.000 claims description 8
- 150000001247 metal acetylides Chemical class 0.000 claims description 7
- 239000007822 coupling agent Substances 0.000 claims description 6
- 239000002105 nanoparticle Substances 0.000 claims description 6
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 claims description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 4
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 4
- 239000005642 Oleic acid Substances 0.000 claims description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 4
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 4
- 229930006000 Sucrose Natural products 0.000 claims description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 4
- 239000005720 sucrose Substances 0.000 claims description 4
- 239000004471 Glycine Substances 0.000 claims description 2
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 12
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract description 2
- 238000010304 firing Methods 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000004581 coalescence Methods 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011882 ultra-fine particle Substances 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 239000011146 organic particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
-
- C—CHEMISTRY; METALLURGY
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims (5)
- 질화알루미늄[Al(NO3)3], 염화알루미늄[AlCl3] 또는 황산알루미늄[Al2(SO4)3] 등의 수용액으로 이루어진 알루미나 공급원에 입성장 억제를 위한 유기물을 개재시켜 Al 이온을 함유하는 수지 탄화물을 제조한 다음 2단계 하소에 의해 나노 크기의 1차 입자 크기를 그대로 유지하는 것을 특징으로 하는 초미립 α상 알루미나 분말의 제조방법.
- 질화알루미늄[Al(NO3)3], 염화알루미늄[AlCl3] 또는 황산알루미늄[Al2(SO4)3] 등의 수용액의 침전에 의해 얻어진 수산화알루미늄[Al(OH)3]의 1차 입자 또는 이를 저온에서 하소하여 아직 입성장이 일어나지 않은 γ-Al2O3등의 현탁액에 고분자 물질을 직접 첨가하거나 단분자 유기물을 고분자화시켜 상기 1차 입자를 둘러싸는 수지 탄화물을 제조한 다음 2단계 하소법에 의해 나노 크기의 1차 입자 크기가 그대로 유지되게 하는 것을 특징으로 하는 초미립 α상 알루미나 미분말의 제조방법.
- 제 1항 또는 제 2항에 있어서, 상기 유기물은 에틸렌글리콜, 글리신 또는 자당의 저분자 유기물을 Al 이온을 포획하는 트리에탄올아민이나 구연산 등의 커플링제와 고분자화시켜서 개재하는 것을 특징으로 하는 초미립 α상 알루미나 분말의 제조방법.
- 제 1항 또는 제 2항에 있어서, 상기 고분자는 올레산, 폴리에틸렌글리콜 또는 폴리비닐알콜 중에서 선택하여 되는 것을 특징으로 하는 초미립 α상 알루미나 분말의 제조방법.
- 제 1항 또는 제 2항에 있어서, 상기 하소는 상기 탄화물이 산화되지 않도록 환원분위기 하에서 1000℃와 1200℃ 사이의 온도 범위에서 1 내지 3시간 동안 열처리를 하여 나노 크기를 유지시키면서 α-Al2O3로의 상전이가 일어나도록 하고, 탄화물 제거를 위해 2차로 600℃와 900℃ 사이의 온도 범위에서 1 내지 3 시간 동안 공기 중에서 하소를 행함을 특징으로 하는 초미립 α상 알루미나 분말의 제조방법.
Priority Applications (1)
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KR10-2003-0012800A KR100491711B1 (ko) | 2003-02-28 | 2003-02-28 | 초미립 α-알루미나 분말의 제조방법 |
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KR10-2003-0012800A KR100491711B1 (ko) | 2003-02-28 | 2003-02-28 | 초미립 α-알루미나 분말의 제조방법 |
Publications (2)
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KR20040077294A true KR20040077294A (ko) | 2004-09-04 |
KR100491711B1 KR100491711B1 (ko) | 2005-05-27 |
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KR10-2003-0012800A Expired - Fee Related KR100491711B1 (ko) | 2003-02-28 | 2003-02-28 | 초미립 α-알루미나 분말의 제조방법 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1295152C (zh) * | 2005-03-25 | 2007-01-17 | 天津大学 | 制备纳米氧化铝粉的电弧喷涂反应合成设备及方法 |
KR100729378B1 (ko) * | 2006-06-27 | 2007-06-15 | 박경숙 | 인조대리석 분진 및 인조대리석 오니를 이용한 하소알루미나의 제조방법 |
KR20210080864A (ko) * | 2019-12-23 | 2021-07-01 | 한국세라믹기술원 | 고방열 질화알루미늄-엘라스토머 복합소재 및 이의 제조 방법 |
CN113830809A (zh) * | 2021-10-27 | 2021-12-24 | 中国科学院青海盐湖研究所 | 一种超细氧化铝粉体的制备方法及其产品 |
CN115893461A (zh) * | 2022-12-06 | 2023-04-04 | 山东麦丰新材料科技股份有限公司 | 一种纳米氧化铝抛光粉的生产工艺 |
CN116891382A (zh) * | 2023-07-13 | 2023-10-17 | 厦门大学 | 一种高硬度纳米氮化铝陶瓷及其制备方法 |
-
2003
- 2003-02-28 KR KR10-2003-0012800A patent/KR100491711B1/ko not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1295152C (zh) * | 2005-03-25 | 2007-01-17 | 天津大学 | 制备纳米氧化铝粉的电弧喷涂反应合成设备及方法 |
KR100729378B1 (ko) * | 2006-06-27 | 2007-06-15 | 박경숙 | 인조대리석 분진 및 인조대리석 오니를 이용한 하소알루미나의 제조방법 |
KR20210080864A (ko) * | 2019-12-23 | 2021-07-01 | 한국세라믹기술원 | 고방열 질화알루미늄-엘라스토머 복합소재 및 이의 제조 방법 |
CN113830809A (zh) * | 2021-10-27 | 2021-12-24 | 中国科学院青海盐湖研究所 | 一种超细氧化铝粉体的制备方法及其产品 |
CN115893461A (zh) * | 2022-12-06 | 2023-04-04 | 山东麦丰新材料科技股份有限公司 | 一种纳米氧化铝抛光粉的生产工艺 |
CN115893461B (zh) * | 2022-12-06 | 2023-11-17 | 山东麦丰新材料科技股份有限公司 | 一种纳米氧化铝抛光粉的生产工艺 |
CN116891382A (zh) * | 2023-07-13 | 2023-10-17 | 厦门大学 | 一种高硬度纳米氮化铝陶瓷及其制备方法 |
Also Published As
Publication number | Publication date |
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KR100491711B1 (ko) | 2005-05-27 |
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