KR100924214B1 - 분무 건조 또는 분무 열분해를 이용한 중형 다공성 탄소구조체의 제조 방법 및 분무 건조용 조성물 - Google Patents
분무 건조 또는 분무 열분해를 이용한 중형 다공성 탄소구조체의 제조 방법 및 분무 건조용 조성물 Download PDFInfo
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- KR100924214B1 KR100924214B1 KR1020070127075A KR20070127075A KR100924214B1 KR 100924214 B1 KR100924214 B1 KR 100924214B1 KR 1020070127075 A KR1020070127075 A KR 1020070127075A KR 20070127075 A KR20070127075 A KR 20070127075A KR 100924214 B1 KR100924214 B1 KR 100924214B1
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Abstract
Description
Claims (17)
- (a) 탄소 전구체, 상기 탄소 전구체가 탄화되는 온도 범위 또는 그 이하에서 열분해되는 열분해성 주형 물질(template), 및 용매를 혼합하여 분무 용액을 제조하는 단계; 및(b) 상기 분무 용액을 분무 열처리하거나 또는 분무 건조 후 열처리를 수행하는 단계를 포함하는 다공성 탄소 구조체의 제조방법으로서, 상기 열분해성 주형 물질은 양이온성 계면 활성제, 음이온성 계면 활성제, 비이온성 계면 활성제 및 양쪽성 계면 활성제로 구성된 군으로부터 선택되는 것인 다공성 탄소 구조체의 제조방법.
- 제 1항에 있어서, 상기 제조방법은 열처리에 의해 탄소 전구체와 열분해성 주형 물질과의 복합체(複合體) 내 포함된 탄소 전구체를 탄화(carbonization)시켜 결정화함과 동시에 주형 물질을 열분해시켜 기공 구조(pore structure)가 형성된 것이 특징인 다공성 탄소 구조체의 제조방법.
- 삭제
- 제 1항에 있어서, 양이온성 계면 활성제는 4급 암모늄염, 이미다졸륨 염, 피리디늄염, 퀴놀리늄염, 이소퀴놀리늄염, 폴리에틸렌이민, 폴리프로필렌이민, 폴리알릴아민, 폴리리신 및 폴리아민으로 구성된 군으로부터 선택된 것인 다공성 탄소 구조체의 제조방법.
- 제 1 항에 있어서 음이온성 계면 활성제는 알킬설페이트, 알킬설폰산염, 알킬카르복실산염, 알킬벤젠카르복실산염 및 알킬벤젠술폰산염으로 구성된 군으로부터 선택된 것인 다공성 탄소 구조체의 제조방법.
- 제 1항에 있어서, 비이온성 계면 활성제는 폴리 에틸렌 옥사이드 (PEO), 폴리 프로필렌 옥사이드 (PPO) 및 폴리 (에틸렌옥사이드)-(프로필렌옥사이드) 블록 공중합체로 구성된 군으로부터 선택된 것인 다공성 탄소 구조체의 제조방법.
- (a) 탄소 전구체, 경성 주형 물질(hard template) 및 용매를 혼합하여 분무 용액을 제조하는 단계;(b) 상기 분무 용액을 분무 열처리하거나 또는 분무 건조 후 열처리하여 탄화된 탄소 구조체와 경성 주형물질 복합체를 형성하는 단계; 및(c) 형성된 탄소 구조체와 경성 주형물질 복합체로부터 주형 물질을 제거하는 단계를 포함하는 다공성 탄소 구조체의 제조방법으로서, 상기 경성 주형 물질(hard template)은 알칼리 금속, 알칼리 토금속 및 전이금속으로 구성된 군으로부터 선택되는 1종 이상의 금속을 함유하는 염(salt)인 것이 특징인 다공성 탄소 구조체의 제조방법.
- 제7항에 있어서, 상기 제조방법은 탄화(炭化)된 탄소 구조체와 경성 주형물질의 복합체에 물, 산 또는 염기 처리를 통해 주형 물질을 제거하여 기공 구조(pore structure)가 형성되는 것이 특징인 다공성 탄소 구조체의 제조방법.
- 삭제
- 삭제
- 제 1항 또는 제7항에 있어서, 상기 탄소 전구체는 페놀-알데히드 수지, 우레아-알데히드 수지, 아닐린-알데히드 수지, 폴리이미드 (polyimide), 폴리아크릴로니트릴 (polyacrylonitrile), 폴리스티렌 (polystyrene), 폴리디비닐벤젠 (polydivinylbenzene), 폴리비닐피리딘 (polyvinylpyridine), 폴리피롤 (polypyrrole), 폴리티오펜 (polythiophene), 폴리아닐린 (polyaniline), 퍼퓨릴알콜 (perfuryl alcohol), 폴리아크릴아미드 (polyacrylamide), 셀룰로오스, 설탕, 설탕고분자, 탄수화물 및 이들의 공중합체로 구성된 군으로부터 선택된 것인 다공성 탄소 구조체의 제조방법.
- 제 1항 또는 제7항에 있어서, 열처리 온도는 300 내지 1500℃ 범위인 것이 특징인 다공성 탄소 구조체의 제조방법.
- 제 1항 또는 제7항에 있어서, 제조된 탄소 구조체의 평균 크기는 20 nm 내지 1000 ㎛ 범위인 것이 특징인 다공성 탄소 구조체의 제조방법.
- 삭제
- 삭제
- 삭제
- 탄소 전구체가 탄화되는 온도 범위에서 열분해되거나 또는 탄화 이후 후처리에 의해 제거되어 기공을 형성하는 주형 물질(template)이 포함된 탄소 전구체 함유 용액을 분무 열처리하여 다공성 탄소 구조체를 제조시,상기 주형물질은 양이온성 계면 활성제, 음이온성 계면 활성제, 비이온성 계면 활성제, 양쪽성 계면 활성제 및 금속염으로 구성된 군으로부터 선택되고,상기 주형 물질(template)의 함량 조절을 통해 다공성 탄소 구조체의 기공 크기, 비표면적 또는 이들 모두를 조절하는 방법.
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WO2017018674A1 (ko) * | 2015-07-28 | 2017-02-02 | 고려대학교 산학협력단 | 나노 기공, 메조 기공 및 마크로 기공이 3차원적으로 상호 연결된 다공성 산화물 반도체, 그 제조방법 및 이를 가스감응물질로 포함하는 가스센서 |
US10604418B2 (en) | 2015-07-28 | 2020-03-31 | Korea University Research And Business Foundation | Porous oxide semiconductor including three-dimensionally interconnected nanopores, mesopores, and macropores, method for preparing the porous oxide semiconductor and gas sensor including the porous oxide semiconductor as gas sensing material |
KR20210121697A (ko) | 2020-03-31 | 2021-10-08 | 한국과학기술연구원 | 단일원자 크기의 이종 전이금속 및 질소가 도핑된 탄소 복합체의 제조방법 |
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WO2008069633A1 (en) | 2008-06-12 |
CN101541674A (zh) | 2009-09-23 |
KR20080053229A (ko) | 2008-06-12 |
US8057774B2 (en) | 2011-11-15 |
US20090304570A1 (en) | 2009-12-10 |
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