KR100528330B1 - 무기 분말의 코팅방법 및 이에 의하여 제조된 코팅된무기입자 - Google Patents
무기 분말의 코팅방법 및 이에 의하여 제조된 코팅된무기입자 Download PDFInfo
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- KR100528330B1 KR100528330B1 KR10-2003-0010415A KR20030010415A KR100528330B1 KR 100528330 B1 KR100528330 B1 KR 100528330B1 KR 20030010415 A KR20030010415 A KR 20030010415A KR 100528330 B1 KR100528330 B1 KR 100528330B1
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Abstract
Description
Claims (18)
- (a) 알콜 용해성 금속염의 알콜 용액 및 아민 화합물의 알콜 용액을 제공하는 단계; 및(b) 무기 분말을, 물, 상기 알콜 용해성 금속염의 알콜 용액 및 상기 아민 화합물의 알콜 용액과 혼합하고 교반함으로써, 상기 알콜 용해성 금속염으로부터 생성된 금속 수산화물로 상기 무기 분말의 표면을 코팅하는 단계를 포함하는 코팅된 무기 분말의 제조 방법.
- 제1항에 있어서, 상기 (b) 단계후, 상기 무기 분말을 건조한 후, 산화성 분위기 중에서 약 300 내지 약 500℃의 온도에서 열처리하여 상기 금속 수산화물 코팅을 금속 산화물 코팅으로 전환시키는 단계를 더 포함하는 것을 특징으로 하는 코팅된 무기 분말의 제조 방법.
- 제2항에 있어서, 상기 (b) 단계후의 건조 단계와 상기 열처리 단계의 사이에 상기 금속 수산화물로 코팅된 무기 분말을 탄소수 1 내지 4의 저급 지방족 알콜로 세척하는 단계를 더 포함하는 것을 특징으로 하는 코팅된 무기 분말의 제조 방법.
- 제1항에 있어서, 상기 알콜을 기준으로 무기 분말 0.1 내지 1.5M, 상기 알콜 용해성 금속염 0.1 내지 1.5M, 상기 아민 화합물 0.2 내지 3.0M, 물 0.05M 내지 0.3M의 농도로 혼합된 후, 약 12 시간 내지 약 72 시간 동안 교반되는 것을 특징으로 하는 코팅된 무기 분말의 제조 방법.
- 제1항에 있어서, 상기 무기 분말은 알콜에 분산된 슬러리 상태 또는 상기 무기 분말 단독으로 혼합되는 것을 특징으로 하는 코팅된 무기 분말의 제조 방법.
- 제1항에 있어서, 상기 알콜은 실온에서 액상인 1가 내지 5가의 알콜 화합물 또는 그 유도체인 것을 특징으로 하는 코팅된 무기 분말의 제조 방법.
- 제6항에 있어서, 상기 알콜은 C1 내지 C7의 지방족 모노올 화합물, C6 내지 C9의 방향족 모노올 화합물, C4 내지 C7의 지환식 모노올 화합물(alicyclic mono-ol compounds), C3 내지 C7의 복소환식 모노올 화합물(heterocyclic mono-ol compounds), C2 내지 C7의 지방족 디올 화합물, 또는 C2 내지 C7의 지방족 트리올 화합물인 것을 특징으로 하는 코팅된 무기 분말의 제조 방법.
- 제1항에 있어서, 상기 무기 분말은 Ni, Cu, Pd, 및 Ag 분말로 이루어진 군에서 선택된 금속 분말인 것을 특징으로 하는 코팅된 무기 분말의 제조 방법.
- 제1항에 있어서, 상기 무기 분말은 TiO2, ZrO2, TiZrO4, Al2O3, SiO2, Y2O3, MgO, Mn3O4, MnO2, NiO, ZnO 분말 및 이들의 복합체 분말로 이루어진 군에서 선택된 금속 산화물 분말인 것을 특징으로 하는 코팅된 무기 분말의 제조 방법.
- 제1항에 있어서, 상기 아민 화합물은 메틸아민, 디메틸아민, 트리메틸아민, 에틸아민, 디에틸아민, 트리에틸아민, n-프로필아민, iso-프로필아민, n-부틸아민, sec-부틸아민, iso-부틸아민, tert-부틸아민, 시클로헥실아민, 벤질아민, α-페닐에틸아민, β-페닐에틸아민, 에틸렌디아민, 테트라메틸렌디아민, 헥사메틸렌디아민, 아닐린, 메틸아닐린, 디메틸아닐린, 디페닐아민, 트리페닐아민, o-톨루이딘, m-톨루이딘, p-톨루이딘, o-아니시딘, m-아니시딘, p-아니시딘, o-클로로아닐린, m-클로로아닐린, p-클로로아닐린, o-브로모아닐린, m-브로모아닐린, p-브로모아닐린, o-니트로아닐린, m-니트로아닐린, p-니트로아닐린, 2,4-트리니트로아닐린, 2,4,6-트리니트로아닐린, o-페닐렌디아민, m-페닐렌디아민, p-페닐렌디아민, 벤지딘, p-아미노벤조산 및 술파닐산(sulfanilic acid)로 이루어진 군에서 선택된 것을 특징으로 하는 코팅된 무기 분말의 제조 방법.
- 제1항에 있어서, 상기 알콜 용해성 금속염은 Ti, Zr, Hf, Si, V, Cr, Mn, Fe, Co, Zn 또는 Pb 금속의 클로라이드류, 설페이트류, 나이트레이트류, 아세테이트류, 알콕사이드류 또는 이들의 혼합물인 것을 특징으로 하는 코팅된 무기 분말의 제조 방법.
- 제2항에 있어서, 상기 금속 수산화물은 Ti, Zr, Hf, Si, V, Cr, Mn, Fe, Co, Zn 또는 Pb 금속의 수산화물 또는 이들의 복합 수산화물인 것을 특징으로 하는 코팅된 무기 분말의 제조 방법.
- 삭제
- 금속 산화물로 코팅된 무기 분말로서,상기 무기 분말은 자신들끼리 서로 응집되지 않는 상태로 독립적으로 존재하고, 또한 상기 금속 산화물 코팅은 상기 무기 분말의 표면에만 균일한 두께의 코팅으로서 존재할 뿐 상기 무기 분말들 사이에 클러스터링(clustering)되어 있지 않은 것을 특징으로 하는 코팅된 무기 분말.
- 제14항에 있어서, 상기 무기 분말은 Ni, Cu, Pd, 및 Ag 분말로 이루어진 군에서 선택된 금속 분말인 것을 특징으로하는 코팅된 무기 분말.
- 제14항에 있어서, 상기 무기 분말은 TiO2, ZrO2, TiZrO4, Al2O3, SiO2, Y2O3, MgO, Mn3O4, MnO2, NiO, ZnO 분말 및 이들의 복합체 분말로 이루어진 군에서 선택된 금속 산화물 분말인 것을 특징으로하는 코팅된 무기 분말.
- 제14항에 있어서, 상기 금속 산화물 코팅은 TiO2, MgO, SiO2, BaTiO3, 또는 희토류산화물로 이루어진 것을 특징으로 하는 코팅된 무기 분말.
- 제14항에 있어서, 상기 무기 분말의 평균입경은 약 10 nm ~ 100㎛이고, 상기 금속 산화물 코팅의 두께는 약 0.1 ~ 500 nm인 것을 특징으로 하는 코팅된 무기 분말.
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KR10-2003-0010415A KR100528330B1 (ko) | 2003-02-19 | 2003-02-19 | 무기 분말의 코팅방법 및 이에 의하여 제조된 코팅된무기입자 |
JP2004042061A JP2004250793A (ja) | 2003-02-19 | 2004-02-18 | 無機粉末のコーティング方法及びこれによって製造されたコーティングされた無機粒子 |
DE102004008875A DE102004008875B4 (de) | 2003-02-19 | 2004-02-18 | Anorganisches Pulver und Verfahren zur Oberflächenbeschichtung |
US10/780,626 US20040161608A1 (en) | 2003-02-19 | 2004-02-19 | Method of coating the surface of an inorganic powder and a coated inorganic powder manufactured using the same |
TW093104144A TWI272318B (en) | 2003-02-19 | 2004-02-19 | A method of coating the surface of an inorganic powder and a coated inorganic powder manufactured using the same |
US11/319,450 US7745002B2 (en) | 2003-02-19 | 2005-12-29 | Method of coating the surface of an inorganic powder and a coated inorganic powder manufactured using the same |
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Cited By (2)
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KR101365143B1 (ko) | 2012-10-30 | 2014-02-25 | 한국생산기술연구원 | 유무기 하이브리드 기법을 적용한 염료감응형 태양전지용 활성전극 페이스트 제조방법 |
KR101365144B1 (ko) | 2012-10-30 | 2014-02-25 | 한국생산기술연구원 | 금속 나노입자를 부착하여 효율을 향상시킨 염료감응형 태양전지용 활성전극 페이스트 제조방법 |
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DE102004008875B4 (de) | 2006-06-08 |
DE102004008875A1 (de) | 2004-09-09 |
US20060099409A1 (en) | 2006-05-11 |
JP2004250793A (ja) | 2004-09-09 |
US20040161608A1 (en) | 2004-08-19 |
TW200426243A (en) | 2004-12-01 |
TWI272318B (en) | 2007-02-01 |
US7745002B2 (en) | 2010-06-29 |
KR20040074512A (ko) | 2004-08-25 |
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