KR101265093B1 - 나노 분말, 나노 잉크 및 마이크로 로드와 그 제조 방법 - Google Patents
나노 분말, 나노 잉크 및 마이크로 로드와 그 제조 방법 Download PDFInfo
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- KR101265093B1 KR101265093B1 KR20090086111A KR20090086111A KR101265093B1 KR 101265093 B1 KR101265093 B1 KR 101265093B1 KR 20090086111 A KR20090086111 A KR 20090086111A KR 20090086111 A KR20090086111 A KR 20090086111A KR 101265093 B1 KR101265093 B1 KR 101265093B1
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- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
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Abstract
Description
Claims (34)
- (1-1) 금속, 비금속, 금속 산화물, 금속 화합물, 비금속 화합물 및 복합체 금속 산화물로 이루어진 군에서 선택되는 1종 이상을 형성할 수 있는 전구체 1종 이상을 고분자를 함유하는 용액에 첨가하여 방사 용액을 준비하는 단계;(1-2) 상기 방사 용액을 방사하여 고분자와 1종 이상의 전구체를 포함하는 복합 섬유 웹을 제조하는 단계;(2-1) 상기 복합 섬유 웹을 300 - 900 ℃의 온도에서, 공기, 산화 분위기, 환원 분위기 (N2/H2 혼합 가스, CO 가스, NH3 가스), 불활성 가스(Ar) 또는 진공 중에서 단계별로 이루어지는 열처리를 하여 고분자를 제거하고, 상기 방사된 전구체를 결정화 또는 비정질화하여 금속, 비금속, 금속 산화물, 금속 화합물, 비금속 화합물 및 복합체 금속 산화물로 이루어진 군에서 선택되는 1종 이상의 나노 입자를 포함하는 나노 섬유를 생성하는 단계; 및상기 나노 섬유를 분쇄하여 나노 입자, 나노 클러스터 또는 이들의 혼합물을 포함하는 나노 분말을 형성하는 단계를 포함하고,상기 (2-1)의 단계별로 이루어지는 열처리는, 150 내지 200 ℃에서 이루어지는 제1열처리단계, 400 내지 500 ℃에서 이루어지는 제2열처리단계, 및 700 내지 750 ℃에서 이루어지는 제3열처리단계,를 순차로 포함하고, 상기 제1 내지 제3열처리단계는 각각 30분 내지 1시간 동안 이루어지며, 상기 제1 내지 제3열처리단계에서 각 단계 사이의 승온은 분당 1 내지 5 ℃로 이루어지는 것인, 나노 분말 제조 방법.
- 삭제
- 삭제
- 제1항에 있어서, 상기 나노 섬유를 용매 내에서 마이크로 비드 분쇄하는 것을 특징으로 하는 나노 분말 제조방법.
- 제4항에 있어서, 상기 마이크로 비드 분쇄는 0.015 - 0.1 mm 크기의 지르코니아 볼을 이용하여 분쇄하는 것을 특징으로 하는 나노 분말 제조방법.
- 제1항에 있어서, 상기 나노 입자는 직경이 5 - 100 nm이며, 나노 클러스터는 폭이 5 - 100 nm이고, 상기 폭에 대한 길이의 비인 장단축비가 1.5 이상 10.0 이하인 것을 특징으로 하는 나노 분말 제조방법.
- 제1항에 있어서, 상기 금속은 Pt, Ni, Au, Fe, Co, Mo, In, Ir, Ag, Sn, Ti, Cu, Pd 및 Ru로 이루어진 군에서 선택되는 어느 하나 이상인 나노 분말 제조방법.
- 제1항에 있어서, 상기 비금속은 Si이고, 금속 화합물은 SnP이며, 비금속 화합물은 SiN, SiOx (0<X<2)로 이루어진 군에서 선택되는 어느 하나 이상인 나노 분말 제조방법.
- 제1항에 있어서, 상기 금속 산화물은 SnO2, Al2O3, TiO2, Fe2O3, ZrO2, V2O5, Fe2O3, CoO, Co3O4, CaO, MgO, CuO, ZnO, In2O3, NiO, MoO3 및 WO3로 이루어진 군에서 선택되는 2성분계 금속 산화물, SnSiO3, Zn2SnO4, CoSnO3, Ca2SnO4, CaSnO3, ZnCo2O4, Co2SnO4, Mg2SnO4, Mn2SnO4, CuV2O6, NaMnO2, NaFeO2, LiCoO2, LiNiO2, SrTiO3, Li4Ti5O12, BaTiO3 및 LiMn2O4으로 이루어진 군에서 선택되는 3성분계 금속 산화물, LiFePO4, Li[Ni1/3Co1/3Mn1/3]O2, Li[Ni1/2Mn1/2]O2, LiNi1-xCoxO2, LiAl0.05Co0.85Ni0.15O2, La1-xSrxCoO3 (0.1≤X≤0.9), La0.8Sr0.2Fe0.8Co0.2O3, La1-xSrxMnO3 (0.1≤X≤0.9) 및 La1-xSrxFeO3 (0.1≤X≤0.9) 로 이루어진 군에서 선택되는 4성분계 이상의 금속 산화물이고, 복합체 금속 산화물은 Pt-RuO2, Au-RuO2, Pt-IrO2, Pt-TiO2, Pd-SnO2, Pd-TiO2, Ni-Y0.08Zr0.92O2, Ag-BaTiO3, Pt-LaNiO3, Pt-Y0.08Zr0.92O2 인 나노 분말 제조방법.
- 제1항에 있어서, 상기 금속 산화물은 2종 이상의 금속 산화물을 포함하여 이루어지며, 2종 이상의 금속 산화물의 고용체, 혼합 상 및 화합물 중에서 선택된 적어도 하나의 미세 구조를 가지는 것을 특징으로 하는 나노 분말 제조방법
- 제1항에 있어서, 상기 전구체는 티타늄 프로폭사이드, 스트론튬 클로라이드 4-수화물, 리튬 나이트레이트, 리튬 아세틸아세토네이트 및 망가니즈 아세테이트 4-수화물, 실리콘 테트라 아세테이트, 루테늄 클로라이드, 틴아세테이트, 니켈 클로라이드, 트리페닐포스파인, 란타늄클로라이드-7-하이드레이트, 클로로플라티닉 엑시드 헥사하이드레이트(Chloroplatinic Acid Hexahydrate, H2PtCl6ㆍ6H2O), 아이언 클로라이드, 코발트 아세테이트, 알루미늄 아세테이트, 징크 아세테이트, 바나듐 클로라이드, 바륨 클로라이드 용액, 마그네슘 설페이트, 카파 아세테이트로 이루어진 군에서 선택되는 1종 이상인 나노 분말 제조방법.
- 제1항에 있어서, 상기 방사는 전기 방사, 멜트 블로운 방사, 플레쉬 방사 또는 정전 멜트 블로운 방사인 나노 분말 제조방법.
- 삭제
- 제4항에 있어서, 상기 나노 섬유를 분쇄 후 나노 입자, 나노 클러스터 또는 이들의 혼합물이 포함되어 있는 용매를 건조하는 과정을 거치는 것을 특징으로 하는 나노 분말 제조방법.
- 제1항의 항의 방법으로 제조된 나노 분말을 포함하는 나노 잉크에, 나노 분말의 분산성 또는 점도를 조절하기 위한 첨가제를 첨가하는 단계를 포함하는 것을 특징으로 하는 나노 잉크 제조방법.
- 제15항에 있어서, 상기 첨가제는 폴리비닐 아세테이트, 폴리우레탄, 폴리에테르우레탄을 포함하는 폴리우레탄 공중합체, 셀룰로오스 아세테이트, 셀룰로오스 유도체, 폴리메틸메스아크릴레이트(PMMA), 폴리메틸아크릴레이트(PMA), 폴리아크릴 공중합체, 폴리비닐아세테이트 공중합체, 폴리비닐알콜(PVA), 폴리퍼퓨릴알콜(PPFA), 폴리스티렌(PS), 폴리스티렌 공중합체, 폴리에틸렌 옥사이드(PEO), 폴리프로필렌옥사이드(PPO), 폴리에틸렌옥사이드 공중합체, 폴리프로필렌옥사이드 공중합체, 폴리카보네이트(PC), 폴리비닐클로라이드(PVC), 폴리카프로락톤, 폴리비닐피롤리돈(PVP), 폴리비닐풀루오라이드, 폴리비닐페놀 (Poly(4-vinylphenol), 폴리비닐리덴풀루오라이드 공중합체 및 폴리아마이드로 이루어진 군에서 1종 이상 선택되는 분산제이고, 상기 셀룰로오스 유도체는 셀룰로오스 아세테이트 부틸레이트 또는 셀룰로오스 아세테이트 프로피오네이트인 나노 잉크 제조방법.
- 제16항에 있어서, 상기 분산제는 나노 분말에 대하여 0.1 - 20 중량%로 첨가되는 것인 나노 잉크 제조방법.
- 제15항에 있어서, 상기 첨가제는 트리톤 X-100 및 세틸트리메틸 암모늄 브로마이드 (CTAB)로 이루어진 군에서 1종 이상 선택되는 계면활성제인 것을 특징으로 하는 나노 잉크 제조방법.
- 제15항에 있어서,상기 나노 섬유의 분쇄는, 상기 나노 섬유를 용매 내에서 마이크로 비드 분쇄하는 것이고,상기 용매는 물, 에탄올, 테트라하이드로퓨란, N,N'-디메틸포름아미드, N,N'-디메틸아시트아미드, N-메틸피롤리돈, 아세토니트릴, 톨루엔, 클로로포름, 메틸렌클로라이드, 벤젠 및 자일렌으로 이루어진 군에서 1종 이상 선택되는 것인 나노 잉크 제조방법.
- (1-1) 금속, 비금속, 금속 산화물, 금속 화합물, 비금속 화합물 및 복합체 금속 산화물로 이루어진 군에서 선택되는 1종 이상을 형성할 수 있는 전구체 1종 이상을 고분자를 함유하는 용액에 첨가하여 방사 용액을 준비하는 단계;(1-2) 상기 방사 용액을 방사하여 고분자와 1종 이상의 전구체를 포함하는 복합섬유 웹을 제조하는 단계;(2-1) 상기 복합섬유 웹을 300 - 900 ℃의 온도에서, 공기, 산화 분위기, 환원 분위기 (N2/H2 혼합 가스, CO 가스, NH3 가스), 불활성 가스(Ar) 또는 진공 중에서 단계별로 이루어지는 열처리하여 상기 고분자를 제거하고, 상기 방사된 전구체를 결정화 또는 비정질화하여 금속, 비금속, 금속 산화물, 금속 화합물, 비금속 화합물 및 복합체 금속 산화물로 이루어진 군에서 선택되는 1종 이상의 나노 입자를 포함하는 나노 섬유를 생성하는 단계; 및상기 나노 섬유를 분쇄하는 단계를 포함하고,상기 (2-1)의 단계별로 이루어지는 열처리는, 150 내지 200 ℃에서 이루어지는 제1열처리단계, 400 내지 500 ℃에서 이루어지는 제2열처리단계, 및 700 내지 750 ℃에서 이루어지는 제3열처리단계,를 순차로 포함하고, 상기 제1 내지 제3열처리단계는 각각 30분 내지 1시간 동안 이루어지며, 상기 제1 내지 제3열처리단계에서 각 단계 사이의 승온은 분당 1 내지 5 ℃로 이루어지는 것인, 마이크로 로드 제조방법.
- 제20항에 있어서, 상기 마이크로 로드는 평균 크기가 5 - 100 nm의 나노 입자로 이루어지며 폭이 50 - 3000 nm이고 상기 폭에 대한 길이의 비인 장단축비가 1.5 이상 200 이하의 범위를 가지는 것을 특징으로 하는 마이크로 로드 제조방법.
- 제1항에 의하여 제조된, 금속, 비금속, 금속 산화물, 금속 화합물, 비금속 화합물 및 복합체 금속 산화물로 이루어진 군에서 선택되는 1종 이상의 나노 입자들로 이루어진 나노 섬유로부터 분쇄된 나노 입자, 나노 클러스터 또는 이들의 혼합물을 포함하는 나노 분말.
- 제22항에 있어서, 상기 나노 입자는 직경이 5 - 100 nm이며, 상기 나노 클러스터는 폭이 5 - 100 nm이고, 상기 폭에 대한 길이의 비인 장단축비가 1.5 이상 10.0 이하인 것을 특징으로 하는 나노 분말.
- 삭제
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- 제22항에 있어서, 상기 금속은 Pt, Ni, Au, Fe, Co, Mo, In, Ir, Ag, Sn, Ti, Cu, Pd 및 Ru로 이루어진 군에서 선택되는 어느 하나 이상인 것을 특징으로 하는 나노 분말.
- 제22항에 있어서, 상기 비금속은 Si이고, 금속 화합물은 SnP이며, 비금속 화합물은 SiN, SiOx (0<X<2)로 이루어진 군에서 선택되는 어느 하나 이상인 나노 분말.
- 제22항에 있어서, 상기 금속 산화물은 SnO2, Al2O3, TiO2, Fe2O3, ZrO2, V2O5, Fe2O3, CoO, Co3O4, CaO, MgO, CuO, ZnO, In2O3, NiO, MoO3 및 WO3로 이루어진 군에서 선택되는 2성분계 금속 산화물, SnSiO3, Zn2SnO4, CoSnO3, Ca2SnO4, CaSnO3, ZnCo2O4, Co2SnO4, Mg2SnO4, Mn2SnO4, CuV2O6, NaMnO2, NaFeO2, LiCoO2, LiNiO2, SrTiO3, Li4Ti5O12, BaTiO3 및 LiMn2O4으로 이루어진 군에서 선택되는 3성분계 금속 산화물, LiFePO4, Li[Ni1/3Co1/3Mn1/3]O2, Li[Ni1/2Mn1/2]O2, LiNi1-xCoxO2, LiAl0.05Co0.85Ni0.15O2, La1-xSrxCoO3 (0.1≤X≤0.9), La0.8Sr0.2Fe0.8Co0.2O3, La1-xSrxMnO3 (0.1≤X≤0.9) 및 La1-xSrxFeO3 (0.1≤X≤0.9) 로 이루어진 군에서 선택되는 4성분계 이상의 금속 산화물이고, 복합체 금속 산화물은 Pt-RuO2, Au-RuO2, Pt-IrO2, Pt-TiO2, Pd-SnO2, Pd-TiO2, Ni-Y0.08Zr0.92O2, Ag-BaTiO3, Pt-LaNiO3, Pt-Y0.08Zr0.92O2 인 나노 분말.
- 제22항, 제23항 및 제26항 내지 제28항 중 어느 하나의 항에 따른 나노 분말 및 상기 나노 분말의 분산성이나 점도를 조절하기 위한 첨가제를 포함하는 나노 잉크.
- 제29항에 있어서, 상기 첨가제는 폴리비닐 아세테이트, 폴리우레탄, 폴리에테르우레탄을 포함하는 폴리우레탄 공중합체, 셀룰로오스 아세테이트, 셀룰로오스 유도체, 폴리메틸메스아크릴레이트(PMMA), 폴리메틸아크릴레이트(PMA), 폴리아크릴 공중합체, 폴리비닐아세테이트 공중합체, 폴리비닐알콜(PVA), 폴리퍼퓨릴알콜(PPFA), 폴리스티렌(PS), 폴리스티렌 공중합체, 폴리에틸렌 옥사이드(PEO), 폴리프로필렌옥사이드(PPO), 폴리에틸렌옥사이드 공중합체, 폴리프로필렌옥사이드 공중합체, 폴리카보네이트(PC), 폴리비닐클로라이드(PVC), 폴리카프로락톤, 폴리비닐피롤리돈(PVP), 폴리비닐풀루오라이드, 폴리비닐페놀 (Poly(4-vinylphenol), 폴리비닐리덴풀루오라이드 공중합체 및 폴리아마이드로 이루어진 군에서 1종 이상 선택되는 분산제인 것을 특징으로 하는 나노 잉크.
- 제30항에 있어서, 상기 분산제는 나노 분말에 대하여 0.1 - 20 중량 %로 첨가되는 것인 나노 잉크.
- 제29항에 있어서, 상기 첨가제는 트리톤 X-100 및 세틸트리메틸 암모늄 브로마이드 (CTAB)로 이루어진 군에서 1종 이상 선택되는 계면활성제인 것을 특징으로 하는 나노 잉크.
- 제20항에 의하여 제조된, 금속, 비금속, 금속 산화물, 금속 화합물, 비금속 화합물 및 복합체 금속 산화물로 이루어진 군에서 선택되는 1종 이상의 나노 입자들로 이루어진 나노 섬유로부터 분쇄된 마이크로 로드.
- 제33항에 있어서, 상기 마이크로 로드는 평균 크기가 5 - 100 nm의 나노 입자로 이루어지며 폭이 50 - 3000 nm이고 상기 폭에 대한 길이의 비인 장단축비가 1.5 이상 200 이하의 범위를 가지는 것을 특징으로 하는 마이크로 로드.
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KR20110028152A (ko) | 2011-03-17 |
EP2204349A1 (en) | 2010-07-07 |
EP2204349B1 (en) | 2014-07-16 |
JP2010162685A (ja) | 2010-07-29 |
US20100167078A1 (en) | 2010-07-01 |
JP5400602B2 (ja) | 2014-01-29 |
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