KR100562340B1 - 금속 미립자, 상기 미립자의 제조방법, 상기 미립자를포함한 투명 전기전도성 피막 형성용 도포액, 투명 전도성피막을 지닌 기재 및 표시장치 - Google Patents
금속 미립자, 상기 미립자의 제조방법, 상기 미립자를포함한 투명 전기전도성 피막 형성용 도포액, 투명 전도성피막을 지닌 기재 및 표시장치 Download PDFInfo
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Abstract
Description
본 발명은 실시예를 참조로 설명될 것이나 이들 실시예에 한정적인 것은 아 니다.
2.5 중량%의 농도로 금속 미립자(P-1)를 함유한 분산액이 실시예 1과 동일한 방식으로 제조되었다.
이후 물은 4-하이드록시-4-메틸-2-펜타논으로 대체되었다. 따라서 4.0 중량%의 농도로 부분적으로 표면-산화된 금속 미립자(P-7)를 함유한 4-하이드록시-4-메틸-2-펜타논 분산액이 제조되었다.
(실시예 9)
100 g의 정제수에 9.6 g(3.6 ×10-2 몰)의 질산팔라듐이수염 및 0.79g(3.23 ×10-3 몰)의 구연산철이 첨가되어 금속으로 환산하여 표 1에 나타난 중량부를 초래하였다. 따라서 혼합된 금속염의 수용액이 제조되었다. 뒤이어 30 중량%의 농도로 구연산삼나트륨을 함유한 수용액 216 g(0.235 몰: 6 몰/몰-금속)이 금속염 수용액에 안정화제로 첨가되었다. 여기에 환원제로서 25 중량%의 농도로 황산제1철을 함유한 수용액 86.7 g(7.8 ×10-2 몰: 2 몰/몰-금속)이 첨가되었다. 이러한 혼합물은 20시간 동안 질소 대기 내에서 20℃의 온도에서 교반되어 금속 미립자(P-12) 분산액을 제조하였다.
수득된 금속 미립자(P-13)는 산화 후 분산액에 대한 평균 입자 지름과 유동전위에 대해 조사되었다. 결과는 표 1에 나타나 있다.
금속 미립자 번호 | 제조된 금속염 용액의 조성물 | 환원제 | |||||
Fe wt% | Ag wt% | Pd wt% | Ru wt% | 종류 | 몰/ 몰-금속 | ||
실시예 1 | P-1 | 0.6 | - | 99.4 | - | 제1철 | 2 |
실시예 2 | P-2 | 0.6 | 99.4 | - | - | 제1철 | 1 |
실시예 3 | P-3 | 0.6 | 9.9 | 89.5 | - | 제1철 | 2 |
실시예 4 | P-4 | 0.1 | - | 99.9 | - | 제1철 | 2 |
실시예 5 | P-5 | 0.6 | - | 99.4 | - | 제1철 | 2 |
실시예 6 | P-6 | 1.1 | - | 98.9 | - | 제1철 | 2 |
실시예 7 | P-7 | 0.6 | 99.4 | - | - | 제1철 | 1 |
실시예 8 | P-8 | 0.6 | 99.4 | - | - | 제1철 | 1 |
실시예 9 | P-9 | 0.6 | - | - | 99.4 | 수산화붕소나트륨 | 10 |
비교 실시예 1 | P-10 | - | - | 100 | - | 제1철 | 2 |
비교 실시예 2 | P-11 | - | - | 100 | - | 제1철 | 2 |
비교 실시예 3 | P-12 | 4.5 | - | 95.5 | - | 제1철 | 2 |
비교 실시예 4 | P-13 | 4.5 | - | 95.5 | - | 제1철 | 2 |
비교 실시예 5 | P-14 | - | 100 | - | - | 제1철 | 2 |
비교 실시예 6 | P-15 | 4.5 | 95.5 | - | - | 제1철 | 2 |
비교 실시예 7 | P-16 | 4.5 | - | 95.5 | - | 제1철 | 2 |
산화제 | 산출된 금속 미립자 조성물 | 평균 입자 지름 | 유동 전위 μeq/g | |||||
종류 | 몰/ 몰-금속 | Fe wt% | Ag wt% | Pd wt% | Ru wt% | |||
실시예 1 | - | - | 0.5 | - | 99.5 | - | 4 | 100 |
실시예 2 | - | - | 0.5 | 99.5 | - | - | 5 | 80 |
실시예 3 | - | - | 0.5 | 9.9 | 89.6 | - | 4 | 90 |
실시예 4 | O2 | 0.02 | 0.1 | - | 99.9 | - | 5 | 120 |
실시예 5 | O2 | 0.1 | 0.5 | - | 99.5 | - | 5 | 180 |
실시예 6 | O2 | 0.02 | 1.0 | - | 99.0 | - | 5 | 200 |
실시예 7 | H2O2 | 0.01 | 0.5 | 99.5 | - | - | 7 | 170 |
실시예 8 | H2O2 | 0.02 | 0.5 | 99.5 | - | - | 10 | 180 |
실시예 9 | H2O2 | 0.02 | 0.5 | - | - | 99.5 | 15 | 180 |
비교 실시예 1 | - | - | 0.05 | - | 99.95 | - | 300 | 40 |
비교 실시예 2 | O2 | 0.02 | 0.05 | - | 99.95 | - | 200 | 40 |
비교 실시예 3 | - | - | 4.00 | - | 96.0 | - | 4 | 260 |
비교 실시예 4 | O2 | 0.02 | 4.00 | - | 96.0 | - | 5 | 280 |
비교 실시예 5 | O2 | 0.02 | 0.05 | 99.5 | - | - | 5 | 50 |
비교 실시예 6 | O2 | 0.02 | 4.00 | 96.0 | - | - | 250 | 40 |
비교 실시예 7 | O2 | 0.4 | 4.00 | - | 96.0 | - | 500 | 30 |
스크래치 마크가 관찰되지 않음 : ◎
결과는 표 2에 함께 나타내었다.
도포액 안정성 | 투명 전도성 도포 피막을 지닌 기재 | ||||||||
표면 저항 (Ω/□) | 투과율 % | 헤이즈 % | 스크래치 강도 | 내구성 | |||||
표면 저항 (Ω/□) | 색 변화 | 스크래치 강도 | |||||||
HCl | H2O2 | ||||||||
실 10 | O | 1,000 | 85 | 0.1 | O | 1,050 | O | O | O |
실 11 | O | 600 | 82 | 0.1 | O | 660 | O | O | O |
실 12 | O | 800 | 85 | 0.1 | O | 830 | O | O | O |
실 13 | ◎ | 1,500 | 85 | 0.1 | O | 1,500 | O | O | O |
실 14 | ◎ | 2,000 | 85 | 0.1 | O | 2,020 | O | O | O |
실 15 | ◎ | 2,000 | 85 | 0.1 | O | 2,020 | O | O | O |
실 16 | ◎ | 800 | 82 | 0.1 | O | 820 | O | O | O |
실 17 | ◎ | 1,000 | 82 | 0.1 | O | 1,020 | O | O | O |
실 18 | ◎ | 2,000 | 82 | 0.1 | O | 2,010 | O | O | O |
비실 8 | X | 3,000 | 87 | 0.2 | X | 3,650 | X | X | - |
비실 9 | △ | 5,000 | 85 | 0.3 | X | 5,630 | X | △ | - |
비실 10 | ◎ | 5,000 | 87 | 0.3 | △ | 5,350 | △ | X | X |
비실 11 | ◎ | 8,000 | 85 | 0.3 | △ | 8,500 | △ | △ | X |
비실 12 | X | 1,000 | 87 | 2.0 | X | 1,370 | X | △ | - |
비실 13 | X | 3,000 | 87 | 3.0 | X | 3,100 | X | X | - |
비실 14 | X | 20,000 | 88 | 3.0 | X | 20,400 | X | △ | - |
Claims (9)
- 철 및 비철 금속으로 구성되고, 평균 입자 크기가 1∼200 nm 범위이고, 철 함량이 0.1∼3.0 중량% 범위인 금속 미립자에 있어서, 상기 금속 미립자의 농도가 0.5 중량%인 수용성 분산액의 하전 전류 적정(streaming current titration)에 따른 전하량이 50∼300 μeq/g 범위임을 특징으로 금속 미립자
- 제 1항에 있어서, 상기 비철 금속은 Au, Ag, Pd, Pt, Rh, Ru, Cu, Ni, Co, Sn, Ti, In, Al, Ta 및 Sb로 구성된 군으로부터 선택된 하나 이상의 금속임을 특징으로 하는 금속 미립자
- 제 1항 또는 제 2항에 있어서, 상기 금속 미립자의 표면 부분은 산화물, 수산화물 또는 그의 복합물 형태임을 특징으로 하는 금속 미립자
- 삭제
- 물, 유기 용매 및 그의 혼합 용매에서 선택된 용매 내에서, 금속 미립자 중의 철 함량이 0.1∼3.0 중량% 범위가 되도록 환원제의 존재하에 철 염 및 하나 이상의 비철 금속염을 환원시키는 것을 특징으로 하는 금속 미립자의 제조방법
- 제 5항에 있어서, 상기 금속 미립자가 철염 및 하나 이상의 비철 금속염을 환원시킴으로서 생성된 후 산화제가 금속 미립자의 적어도 표면 부분을 산화시키기 위해 더욱 첨가됨을 특징으로 하는 금속 미립자의 제조방법
- 제 1항의 금속 미립자 및 극성 용매로 구성된 투명 전도성 도포 피막 형성용 도포액
- 기재, 기재 위에 배열된 투명 전도성 미립자층 및 투명 전도성 미립자층 위에 형성되고 투명 전도성 미립자층 보다 낮은 굴절 인덱스를 지닌 투명 도포 피막으로 구성되고, 투명 전도성 미립자층은 제 1항의 금속 미립자로 구성됨을 특징으로 하는 투명 전도성 도포 피막을 지닌 기재
- 제 8항의 투명 전도성 도포 피막을 지닌 기재로 구성된 전면 패널을 지니고 전면 패널의 외부 표면상에 투명 전도성 도포 피막이 형성됨을 특징으로 하는 표시장치
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JPJP-P-2001-00100356 | 2001-03-30 | ||
JP2001100356A JP4183924B2 (ja) | 2001-03-30 | 2001-03-30 | 金属微粒子および該微粒子の製造方法、該微粒子を含む透明導電性被膜形成用塗布液、透明導電性被膜付基材、表示装置 |
PCT/JP2002/002852 WO2002081131A1 (fr) | 2001-03-30 | 2002-03-25 | Fines particules de metal, procede d'elaboration, liquide de revetement renfermant ces particules pour la realisation de film electro-conducteur transparent, substrat equipe de ce film, et visuel |
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EP (1) | EP1375035B1 (ko) |
JP (1) | JP4183924B2 (ko) |
KR (1) | KR100562340B1 (ko) |
CN (1) | CN1258418C (ko) |
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Cited By (1)
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EP1375035A1 (en) | 2004-01-02 |
EP1375035B1 (en) | 2006-02-15 |
US20040112175A1 (en) | 2004-06-17 |
EP1375035A4 (en) | 2005-03-30 |
JP2002294301A (ja) | 2002-10-09 |
DE60209216T2 (de) | 2006-11-16 |
JP4183924B2 (ja) | 2008-11-19 |
DE60209216D1 (de) | 2006-04-20 |
WO2002081131A1 (fr) | 2002-10-17 |
CN1258418C (zh) | 2006-06-07 |
CN1498145A (zh) | 2004-05-19 |
US7494710B2 (en) | 2009-02-24 |
KR20030081523A (ko) | 2003-10-17 |
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