KR20110084500A - 나노입자 층으로 코팅된 세라믹 분말, 및 이를 제조하는 방법 - Google Patents
나노입자 층으로 코팅된 세라믹 분말, 및 이를 제조하는 방법 Download PDFInfo
- Publication number
- KR20110084500A KR20110084500A KR1020117008282A KR20117008282A KR20110084500A KR 20110084500 A KR20110084500 A KR 20110084500A KR 1020117008282 A KR1020117008282 A KR 1020117008282A KR 20117008282 A KR20117008282 A KR 20117008282A KR 20110084500 A KR20110084500 A KR 20110084500A
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- Prior art keywords
- coated
- particles
- emulsion
- coating
- ceramic powder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/4584—Coating or impregnating of particulate or fibrous ceramic material
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- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
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- C04B41/85—Coating or impregnation with inorganic materials
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- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
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Abstract
Description
공정 I - A 및 b의 동시 합성
공정 II - A의 배치 및 b의 합성
A - 기본 세라믹 입자
b - 코팅 나노입자
도 1은 본 발명의 2 공정의 일부인 3 단계를 도시한 것이다:
기본 세라믹 입자 (A) 및 코팅층의 나노입자 (b) 둘 모두가 동시에 합성되는 공정 I에서, 단계 1은 기본 세라믹 입자 (A)의 용해된 염 또는 금속과 같은, 전구체를 포함하는 (W/O) 에멀젼의 제조로 이루어진다. 단계 2에서, 나노입자 고체 전구체가 첨가되고, 이는 보다 느린 반응 동력학을 나타낸다. 마지막으로, 제 3 단계에서, (W/O) 에멀젼 기폭이 일어나며, 이의 결과로 세라믹 입자 (A)가 나노입자층 (b)에 의해 코팅된다.
공정 II에서, 제 1 단계는 염 또는 가용성 연료로서 나노입자 전구체 (b)를 포함하는 에멀젼 (W/O)의 제조로 구성된다. 제 2 단계에서, 코팅시킬 기본 세라믹 입자 (A)가 첨가된다. 마지막으로, 제 3 단계, 예를 들어 공정 I은 제 1 단계의 (W/O) 에멀젼의 기폭으로 이루어지며, 이의 결과로 세라믹 입자 (A)는 나노입자 (b)로 코팅된다.
도 2
공정 II - (A)의 배치 및 (b)의 합성
a) - 나노입자 (b)에 의해 코팅된 세라믹 입자 (A)
b) - 단일 결정상 구조를 갖는 세라믹 입자 (Ab) - 코팅 없이 단일 입자의 생산
A - 기본 세라믹 입자
B - 나노입자 코팅
T - (W/O) 에멀젼의 반응 온도
Trs - 고체 상태에서의 반응 온도
도 2는 공정 II의 일부분을 도시한 것으로서, 여기서 (W/O) 에멀젼 기폭의 온도에 따라, 생성물의 측면에서 상이한 상황들이 얻어진다, 즉:
a) - 입자 (A) 및 나노입자 (b)에서, 고체 상태에서의 반응 온도(Trs) 보다 낮은 (W/O) 에멀젼 기폭의 온도, 기본 입자 (A)는 나노입자 (b)로 코팅됨;
b) - 입자 (A) 및 나노입자 (b)에서, 고체 상태에서의 반응 온도(Trs) 보다 높은 (W/O) 에멀젼 기폭의 온도, 이는 2원, 3원 또는 그 초과의 결정상 구조를 갖는 균질한 세라믹 분말(코팅되지 않음)을 초래한다.
Claims (11)
- 기폭(detonation) 단계 동안의 분해시에 나노 입자 (b)를 형성시키는 적어도 하나의 전구체를 고체 상태 또는 (W/O) 에멀젼 중에 용해된 상태로 도입하고, 이를 코팅 될 기본 입자 (A) 상에 침적시켜 코팅층을 형성시키는 것을 포함하는, 나노입자 층으로 코팅된 세라믹 분말을 제조하는 방법.
- 제 1항에 있어서, 기폭을 위해 의도되는 에멀젼이 계면활성제의 작용 하에서, 밀접하게 연결되는 두개의 상, 즉 내부 수성 상 및 외부 불용성 상을 포함하는 (W/O) 타입임을 특징으로 하는 코팅된 세라믹 분말을 제조하는 방법.
- 제 1항 또는 제 2항에 있어서, 코팅 나노입자의 전구체가 고체 상태로 (W/O) 에멀젼에 첨가되며, 기본 세라믹 입자와 코팅 나노입자 둘 모두가 (W/O) 에멀젼의 기폭 동안에 형성됨을 특징으로 하는 코팅된 세라믹 분말을 제조하는 방법.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서, 코팅될 세라믹 분말 (A)의 분말의 전구체 및 나노입자 (b)의 전구체가 에멀젼 (W/O)의 기폭 동안에 상이한 반응 동력학을 나타내는 코팅층을 구성하며, 세라믹 분말 (A)의 전구체가 테일러 구역(Taylor zone) 이전에 매우 빠른 반응 동력학을 나타내며, 나노입자 고체 전구체가 테일러 구역의 아주 후속 단계에서 반응함을 특징으로 하는 코팅된 세라믹 분말을 제조하는 방법.
- 제 1항 또는 제 2항에 있어서, 코팅될 세라믹 입자가 (W/O) 에멀젼의 내부 구조에 직접 배치되고 균질화됨을 특징으로 하는 코팅된 세라믹 분말을 제조하는 방법.
- 제 1항 내지 제 5항 중 어느 한 항에 있어서, 코팅 형성이 코팅될 세라믹 분말 분해의 온도 미만이고 기본 입자 (A)와 나노입자 (b) 간의 고체 상태의 반응 온도 미만인 (W/O) 에멀젼 기폭의 온도에 의해 제어됨을 특징으로 하는 코팅된 세라믹 분말을 제조하는 방법.
- 제 5항에 있어서, 세라믹 분말의 형성이 기본 입자 (A)와 나노입자 (b) 간의 고체 상태의 반응 온도 보다 높은 (W/O) 에멀젼의 기폭 온도에 의해 제어됨을 특징으로 하는 코팅된 세라믹 분말을 제조하는 방법.
- 제 1항 내지 제 7항 중 어느 한 항의 방법에 따라 얻어진, 세라믹 입자의 코팅으로서, 이러한 기본 입자가 복수의 화학적 화합물, 예를 들어 옥사이드, 니트라이드, 카바이드, 설파이드, 귀금속/불활성 금속에 의해 구성되며, 이러한 입자들이 20 nm 내지 약 500 마이크론의 치수를 가지며, 이러한 입자들이 상이한 형태 및 50 nm 이하의 결정상 크기로 존재함을 특징으로 하는 세라믹 입자의 코팅.
- 제 1항 내지 제 8항 중 어느 한 항에 따른 방법에 따라 수득된 세라믹 입자의 코팅으로서, 상기 코팅층을 형성하는 나노입자가 2원, 3원 또는 그 초과 구조의 옥사이드, 니트라이드, 카바이드, 설파이드, 불활성 금속을 포함하고, 개별화되고 5 nm 내지 150 nm 범위에서 다양한 두께를 가지며, 이러한 입자가 기본 입자의 전체 표면적의 50% 내지 95%를 코팅하고, 20 nm 내지 100 nm의 구형의 1차 입자에 의해 형성되고, 20 nm 미만의 미세결정 도는 비정질 상태로 존재하고, 400 와트 초음파로 처리될 때 유지되는 기본 입자에 대한 접착성을 나타내고, 높은 등급의 화학적 및 표면적 균질성을 나타냄을 특징으로 하는 세라믹 입자의 코팅.
- 세라믹 분말이 제 1항 내지 제 6항 중 어느 한 항에 따라 얻어진 나노입자 층으로 코팅됨을 특징으로 하는 제 8항 또는 제 9항에 따라 얻어진 코팅을 갖는, 코팅된 세라믹 분말.
- 세라믹 분말이 다중 2원, 3원, 및 상위의 결정상구조를 갖는 세라믹 구조이며, 이러한 것들 중 스피넬 타입이 발견됨을 특징으로 하는, 제 7항의 방법에 따라 얻어진 세라믹 분말.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/PT2008/000040 WO2010059070A1 (en) | 2008-10-13 | 2008-10-13 | Ceramic powders coated with a nanoparticle layer and process for obtaining thereof |
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| Publication Number | Publication Date |
|---|---|
| KR20110084500A true KR20110084500A (ko) | 2011-07-25 |
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| KR1020117008282A Abandoned KR20110084500A (ko) | 2008-10-13 | 2008-10-13 | 나노입자 층으로 코팅된 세라믹 분말, 및 이를 제조하는 방법 |
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|---|---|
| US (1) | US9512043B2 (ko) |
| EP (1) | EP2337821B1 (ko) |
| JP (1) | JP5836124B2 (ko) |
| KR (1) | KR20110084500A (ko) |
| CN (1) | CN102165021B (ko) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190073208A (ko) | 2017-12-18 | 2019-06-26 | 우창산업(주) | 세라믹에 폴리머가 코팅된 파우더를 함유하는 펠렛 및 사출성형용 펠렛의 제조방법 |
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| PT105339A (pt) * | 2010-10-15 | 2012-04-16 | Innovnano Materiais Avancados S A | Processo de síntese de nanomateriais a partir da preparação e detonação de uma emulsão, respectivos produtos e emulsões utilizadas |
| PT105340A (pt) * | 2010-10-18 | 2012-04-18 | Innovnano Materiais Avancados S A | Processo contínuo de síntese de nanomateriais a partir da emulsificação e detonação em simultâneo de uma emulsão |
| JP5743693B2 (ja) | 2011-04-28 | 2015-07-01 | 第一稀元素化学工業株式会社 | スピネル粉末およびその製造方法、溶射膜の製造方法、ならびにガスセンサ素子の製造方法 |
| CN104838518B (zh) | 2012-12-13 | 2018-01-16 | 应用材料公司 | 电池隔板上的陶瓷涂层 |
| US9343315B2 (en) * | 2013-11-27 | 2016-05-17 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method for fabricating semiconductor structure, and solid precursor delivery system |
| US9796019B2 (en) | 2015-03-27 | 2017-10-24 | United Technologies Corporation | Powder metal with attached ceramic nanoparticles |
| CN106045526A (zh) * | 2016-08-22 | 2016-10-26 | 中国科学院力学研究所 | 一种液态co2制备陶瓷粉体的方法 |
| CN109608911A (zh) * | 2018-11-23 | 2019-04-12 | 华南理工大学 | 一种用于纸张加填的粉煤灰基碳化修饰复合填料制备方法 |
| LU101177B1 (en) | 2019-04-16 | 2020-10-16 | Delmee Maxime | Functionalized metal powders by small particles made by non-thermal plasma glow discharge for additive manufacturing applications |
| CN110935394B (zh) * | 2019-11-05 | 2021-07-30 | 南京清大迈特新材料有限公司 | 一种微纳粉体精细加工方法及装置 |
| CN114787101B (zh) * | 2019-12-13 | 2024-04-09 | 奥卢大学 | 电陶瓷复合材料及其制造方法 |
| CN113292355A (zh) * | 2021-04-20 | 2021-08-24 | 广西壮族自治区环境保护科学研究院 | 一种利用污水处理厂污泥制备陶粒的方法 |
| CN116496650B (zh) * | 2023-04-27 | 2024-04-09 | 西安交通大学 | 一种管廊壁面抑爆涂料及其制备方法和应用 |
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| JPH0779957B2 (ja) * | 1991-06-11 | 1995-08-30 | 株式会社椿本チエイン | 粉,粒体状材料の合成装置 |
| US5855827A (en) | 1993-04-14 | 1999-01-05 | Adroit Systems, Inc. | Pulse detonation synthesis |
| US6652967B2 (en) * | 2001-08-08 | 2003-11-25 | Nanoproducts Corporation | Nano-dispersed powders and methods for their manufacture |
| KR0173445B1 (ko) * | 1996-09-17 | 1999-02-01 | 이능희 | 화장료용 이중캡슐 및 이를 함유하는 화장료 조성물 |
| JPH1149502A (ja) * | 1997-08-01 | 1999-02-23 | Toyota Central Res & Dev Lab Inc | 酸化物粉末の製造方法 |
| JP3984383B2 (ja) * | 1998-12-16 | 2007-10-03 | 日本工機株式会社 | 油中水滴型エマルション爆薬組成物の製造方法 |
| DE102004004147A1 (de) * | 2004-01-28 | 2005-08-18 | Degussa Ag | Oberflächenmodifizierte, mit Siliziumdioxid umhüllte Metalloid/Metalloxide |
| DE112006000294B4 (de) * | 2005-02-02 | 2016-12-22 | National Institute For Materials Science | Verfahren zur Herstellung von Pulverteilchen mit Nanogröße |
| KR100691908B1 (ko) * | 2005-09-08 | 2007-03-09 | 한화석유화학 주식회사 | 금속산화물 표면에 금속산화물 초미립자를 코팅하는 방법및 이로부터 제조된 코팅체 |
| CN101104567B (zh) * | 2007-07-25 | 2010-09-15 | 浙江亚通金属陶瓷有限公司 | 氧化铝陶瓷表面金属复合层及复合工艺 |
| PT103838B (pt) * | 2007-09-28 | 2008-11-03 | Cuf Companhia Uniao Fabril Sgp | Óxidos cerâmicos esféricos nanocristalinos, processo para a sua síntese e respectivas utilizações |
| PT104085B (pt) | 2008-05-27 | 2009-08-07 | Cuf Companhia Uniao Fabril Sgp | Materiais cerâmicos de dimensão nanométrica, processo para a sua síntese e respectivas utilizações |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190073208A (ko) | 2017-12-18 | 2019-06-26 | 우창산업(주) | 세라믹에 폴리머가 코팅된 파우더를 함유하는 펠렛 및 사출성형용 펠렛의 제조방법 |
Also Published As
| Publication number | Publication date |
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| US20110183833A1 (en) | 2011-07-28 |
| EA201100396A1 (ru) | 2011-10-31 |
| DK2337821T3 (da) | 2014-05-26 |
| EP2337821A1 (en) | 2011-06-29 |
| CN102165021B (zh) | 2013-08-21 |
| WO2010059070A1 (en) | 2010-05-27 |
| EA019292B1 (ru) | 2014-02-28 |
| CA2739991A1 (en) | 2010-05-27 |
| BRPI0823165A2 (pt) | 2015-06-23 |
| JP2012505075A (ja) | 2012-03-01 |
| AU2008364348A1 (en) | 2010-05-27 |
| EG26472A (en) | 2013-11-17 |
| ZA201102811B (en) | 2012-06-27 |
| AU2008364348B2 (en) | 2015-05-14 |
| PT2337821E (pt) | 2014-05-07 |
| ES2460574T3 (es) | 2014-05-13 |
| PL2337821T3 (pl) | 2015-05-29 |
| JP5836124B2 (ja) | 2015-12-24 |
| CN102165021A (zh) | 2011-08-24 |
| EP2337821B1 (en) | 2014-02-19 |
| US9512043B2 (en) | 2016-12-06 |
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