WO2020184863A3 - 세라믹 나노섬유 구조체, 광촉매로 개질된 세라믹 나노섬유 분리막 및 이들의 제조방법 - Google Patents

세라믹 나노섬유 구조체, 광촉매로 개질된 세라믹 나노섬유 분리막 및 이들의 제조방법 Download PDF

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Publication number
WO2020184863A3
WO2020184863A3 PCT/KR2020/002552 KR2020002552W WO2020184863A3 WO 2020184863 A3 WO2020184863 A3 WO 2020184863A3 KR 2020002552 W KR2020002552 W KR 2020002552W WO 2020184863 A3 WO2020184863 A3 WO 2020184863A3
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Prior art keywords
ceramic
ceramic nanofiber
separation membrane
nanofiber structure
manufacturing same
Prior art date
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Ceased
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PCT/KR2020/002552
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English (en)
French (fr)
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WO2020184863A2 (ko
Inventor
이종만
송인혁
하장훈
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Korea Institute of Machinery and Materials KIMM
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Korea Institute of Machinery and Materials KIMM
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Priority claimed from KR1020190128761A external-priority patent/KR102813244B1/ko
Application filed by Korea Institute of Machinery and Materials KIMM filed Critical Korea Institute of Machinery and Materials KIMM
Priority to EP20770229.1A priority Critical patent/EP3939693A4/en
Publication of WO2020184863A2 publication Critical patent/WO2020184863A2/ko
Publication of WO2020184863A3 publication Critical patent/WO2020184863A3/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039—Inorganic membrane manufacture
    • B01D67/0041—Inorganic membrane manufacture by agglomeration of particles in the dry state
    • B01D67/00412—Inorganic membrane manufacture by agglomeration of particles in the dry state by deposition of fibres, nanofibres or nanofibrils
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
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    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
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    • B01D71/02—Inorganic material
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    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
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  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

유연성이 우수한 세라믹 나노섬유 구조체, 광촉매 효율이 뛰어난 세라믹 나노섬유 분리막 및 이들의 제조방법이 제공된다. 본 발명의 일 구현예에 따른 세라믹 나노섬유 구조체는 제1 세라믹 성분 및 제2 세라믹 성분을 포함한다. 세라믹 나노섬유의 직경을 제어하여 나노섬유간 평균 기공 크기 및 최대 기공 크기를 조절하고, 제2 세라믹 성분을 투입하여 결정립 크기를 감소시킴으로써 유연성이 우수한 세라믹 나노섬유 구조체를 얻을 수 있다. 본 발명의 일 구현예에 따른 세라믹 나노섬유 분리막은 상기 세라믹 나노섬유 구조체 및 광촉매 무기 코팅층을 포함한다. 유연성이 우수한 세라믹 나노섬유 구조체 및 나노섬유 표면에 형성된 무기 광촉매 코팅층을 포함함으로써 유기물에 대한 광 분해능이 뛰어나고 장기간 분해 효율을 유지할 수 있는 분리막을 얻을 수 있다.
PCT/KR2020/002552 2019-03-14 2020-02-21 세라믹 나노섬유 구조체, 광촉매로 개질된 세라믹 나노섬유 분리막 및 이들의 제조방법 Ceased WO2020184863A2 (ko)

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KR20190029146 2019-03-14
KR1020190128761A KR102813244B1 (ko) 2019-03-14 2019-10-16 광촉매로 개질된 세라믹 나노섬유 분리막 및 그 제조방법
KR10-2019-0128761 2019-10-16
KR1020190128757A KR102260674B1 (ko) 2019-03-14 2019-10-16 세라믹 나노섬유 구조체 및 그 제조방법
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Publication number Priority date Publication date Assignee Title
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060062661A (ko) * 2004-12-06 2006-06-12 박원호 은을 함유하는 실리카 나노섬유 및 제조 방법
WO2007052497A1 (ja) * 2005-11-07 2007-05-10 National University Of Corporation Hiroshima University 複合分離膜およびその製造方法、並びに当該複合分離膜を用いる有機液体混合物の分離方法
KR20070065353A (ko) * 2004-09-01 2007-06-22 어드밴스드 나노테크놀로지 리미티드 지르코니아 세라믹
KR20110121836A (ko) * 2010-05-03 2011-11-09 한국과학기술연구원 초극세 연속 섬유상 세라믹 필터 및 이의 제조방법
KR20120123671A (ko) * 2009-12-31 2012-11-09 옥세인 머티리얼스, 인크. 기공 및/또는 마이크로구체 배치 및/또는 크기가 조절된 세라믹 입자 및 그의 제조 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101142853B1 (ko) * 2010-05-03 2012-05-08 한국과학기술연구원 내열성이 향상된 초극세 고분자 섬유상 필터 및 이의 제조방법
CN105887332A (zh) * 2016-06-06 2016-08-24 东华大学 一种具有可见光催化的氮掺杂的柔性TiO2/SiO2纳米纤维薄膜的制备方法
CN106835502B (zh) * 2017-01-19 2019-05-03 湖南力途世纪商贸有限公司 一种纳米纤维毡及其制备方法
KR20190029146A (ko) 2017-09-12 2019-03-20 경북대학교 산학협력단 콘크리트 재료분리 측정 방법
KR20190128757A (ko) 2018-05-08 2019-11-19 정이교 플라즈마 램프 장치
KR102551721B1 (ko) 2018-05-08 2023-07-06 삼성디스플레이 주식회사 표시 장치 및 이를 이용한 표시 패널의 구동 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070065353A (ko) * 2004-09-01 2007-06-22 어드밴스드 나노테크놀로지 리미티드 지르코니아 세라믹
KR20060062661A (ko) * 2004-12-06 2006-06-12 박원호 은을 함유하는 실리카 나노섬유 및 제조 방법
WO2007052497A1 (ja) * 2005-11-07 2007-05-10 National University Of Corporation Hiroshima University 複合分離膜およびその製造方法、並びに当該複合分離膜を用いる有機液体混合物の分離方法
KR20120123671A (ko) * 2009-12-31 2012-11-09 옥세인 머티리얼스, 인크. 기공 및/또는 마이크로구체 배치 및/또는 크기가 조절된 세라믹 입자 및 그의 제조 방법
KR20110121836A (ko) * 2010-05-03 2011-11-09 한국과학기술연구원 초극세 연속 섬유상 세라믹 필터 및 이의 제조방법

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