KR101699274B1 - 담체를 이용한 나노 파우더 제조 방법 - Google Patents
담체를 이용한 나노 파우더 제조 방법 Download PDFInfo
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- KR101699274B1 KR101699274B1 KR1020140001416A KR20140001416A KR101699274B1 KR 101699274 B1 KR101699274 B1 KR 101699274B1 KR 1020140001416 A KR1020140001416 A KR 1020140001416A KR 20140001416 A KR20140001416 A KR 20140001416A KR 101699274 B1 KR101699274 B1 KR 101699274B1
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- 239000008103 glucose Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
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- 239000004576 sand Substances 0.000 claims description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 5
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
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- 239000010941 cobalt Substances 0.000 claims description 4
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
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- 239000000956 alloy Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
도 2는 소금 담체 상에 약 40ppm 농도의 은 나노 파우더를 형성하기 전(좌측)과 후(우측)의 사진이다.
도 3a는 히드록실 에틸 셀룰로오스(hydroxyl ethyl cellulose, HEC) 담체 상에 은 나노 입자를 형성하기 전(좌측)과 후(우측)의 사진이다.
도 3b는 은 나노 입자가 부착된 HEC 담체를 물에 용해시켜 수득한 은 나노 입자가 균일하게 분산된 용액의 사진이다.
도 4는 모래 담체 상에 은 나노 입자를 형성하기 전(좌측)과 후(우측)의 사진이다.
도 5는 소금 담체 상에 Si 나노 입자를 형성하기 전(좌측)과 후(우측)의 사진이다.
도 6은 설탕 담체 상에 금 나노 입자를 형성하기 전(좌측)과 후(우측)의 사진이다.
도 7은 도 6에서 만든 금 나노 입자/설탕을 물에 녹인 것이다. 금 나노 입자가 완전히 분산되어 콜로이드를 형성한 것을 볼 수 있다.
도 8은 설탕 담체 상에 백금 나노 입자를 형성하기 전(좌측)과 후(우측)의 사진이다. 사진에서 보듯이 나노 입자 형성 후 백금 나노 입자의 고유색인 회색을 띄고 있는 것을 볼 수 있다.
도 9은 포도당 담체 상에 Pd 나노 입자를 형성하기 전(좌측)과 후(우측)의 사진이다. 형성 후 엷은 회색을 띄는데 Pd가 나노 입자가 될 경우 입자 회색을 띄기 때문이다.
도 10는 도 8에서 Pd/포도당을 물에 녹였을 때의 사진이다. 전체적으로 회색의 콜로이드(colloid)를 형성한 것을 볼 수 있다.
도 11은 PET 플라스틱 알갱이들 위에 은 나노 입자를 형성한 것(좌측)과, 이를 섭씨180도에서 녹인 것(우측)의 사진이다. 사진에서 보듯이 PET 플라스틱 고분자에 은 나노 입자들이 완전히 녹아 전체적으로 노란색을 띄는 것을 볼 수 있다.
도 12은 PTFE(테프론) 분말에 은 나노 입자를 형성한 것(좌측)과, 이를 250 ℃ 고온에서 녹인 것(우측)의 사진이다.
Claims (10)
- 진공 증착조, 상기 진공 증착조 내에 구비된 교반조; 상기 교반조 내에 구비되고 담체를 교반하는 스크류; 및 상기 진공 증착조 내에 교반조 상부에 구비되고 나노입자 형성을 위한 증기 입자를 발생시키는 증착원으로 구성되는, 담체에 부착된 나노 파우더 제조 장치를 사용하고,
a) 상기 진공 증착조의 진공도가 10-4 내지 10-3 torr 가 되도록 불활성 기체를 진공 증착조에 포함시키는 단계;
b) 상기 증착원을 이용하여 나노입자 형성을 위한 증기 입자를 발생시키는 단계;
c) 상기 스크류의 속도를 1 내지 100 rpm으로 조절하여 담체를 교반하는 단계; 및
d) 상기 담체 상에 증기 입자를 분당 단위면적당 1 Å 내지 10 ㎛ 두께로 증착하여 나노 입자를 형성하는 단계를 포함하며,
상기 나노입자 형성을 위한 증기 입자의 비산 방향이 담체 반대 방향이고,
상기 b) 증착원을 이용하여 나노입자 형성을 위한 증기 입자를 발생시키는 단계는, 저항 가열법, 레이저 가열법, 디시 스퍼터링, 디시 알에프 스퍼터링, 또는 전자 빔 증착을 사용하는 것을 특징으로 하는, 담체에 부착된 나노 파우더 제조 방법. - 청구항 1에 있어서, 상기 나노 입자의 원재료는 금속, 금속화합물 또는 유기물인 것을 특징으로 하는, 담체에 부착된 나노 파우더 제조 방법.
- 청구항 2에 있어서, 상기 금속은 코발트, 구리, 은, 니켈, 망간, 팔라듐, 인듐, 철, 텅스텐, 티타늄 및 이들의 합금으로 이루어진 군으로부터 선택되는 것을 특징으로 하는, 담체에 부착된 나노 파우더 제조 방법.
- 청구항 2에 있어서, 상기 금속화합물은 금속 산화물, 금속 질화물, 금속 탄화물 또는 금속 탄 질화물인 것을 특징으로 하는, 담체에 부착된 나노 파우더 제조 방법.
- 청구항 4에 있어서, 상기 금속화합물은 알루미나(Al2O3), 텅스텐 카바이드(WC), 질소 알루미늄(AlN) 또는 탄질화 티타늄(TiCN)인 것을 특징으로 하는, 담체에 부착된 나노 파우더 제조 방법.
- 청구항 1에 있어서, 상기 담체는 최종 응용 제품의 한 종류 이상의 화합물 또는 최종 응용 제품의 하나 이상의 성분인 것을 특징으로 하는, 담체에 부착된 나노 파우더 제조 방법.
- 청구항 1에 있어서, 상기 담체는 물, 극성 유기용매, 비극성 유기용매에 잘 녹는 물질인 것을 특징으로 하는, 담체에 부착된 나노 파우더 제조 방법.
- 청구항 1에 있어서, 상기 담체는 활성탄, 탄화수소 화합물, 알루미나(Al2O3), 텅스텐 카바이드(WC), 유리, 모래, 포도당, 설탕, 소금, PMMA 및 히드록실 에틸 셀룰로오스로 이루어진 군으로부터 선택된 하나인 것을 특징으로 하는, 담체에 부착된 나노 파우더 제조 방법.
- 삭제
- 청구항 1에 있어서, 상기 담체와, 증착되는 나노 입자 증기가 반응하여 산화물(oxide), 질화물(nitride), 탄화물(carbide) 또는 질탄화물(carbonitride) 나노 파우더를 형성하는 것을 특징으로 하는, 담체에 부착된 나노 파우더 제조 방법.
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