KR100913272B1 - 초임계 이산화탄소를 이용한 중심-껍질 구조의나노컴포지트 입자 제조방법 - Google Patents
초임계 이산화탄소를 이용한 중심-껍질 구조의나노컴포지트 입자 제조방법 Download PDFInfo
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Abstract
Description
Claims (8)
- 초임계 이산화탄소를 이용하여 무기산화물 중심입자 및 상기 무기산화물 중심 입자를 둘러싸며 유기 고분자로 이루어진 껍질층을 포함하는 것을 특징으로 하는 중심-껍질(core-shell) 구조의 나노컴포지트 입자를 구형의 파우더 형태로 제조하는 방법.
- 제1항에 있어서,무기산화물을 실란 커플링제로 표면 개질하는 단계와;상기 표면 개질된 무기산화물을 초임계 이산화탄소 내에서2,2'-아조비스이소부틸로니트릴(AIBN), 과산화벤조일(BPO) 중에서 하나가 선택되는 라디칼 개시제와디메틸실록산과 (메틸)메타크릴레이트, 디메틸실록산과 스티렌, (메틸)메타크릴레이트와 퍼플루오로알킬 메타크릴레이트, 스티렌과 퍼플루오로알킬 메타크릴레이트, 디메틸아미노에틸메타크릴레이트와 퍼플루오로알킬 메타크릴레이트, 올리고에틸렌글리콜메타크릴레이트와 퍼플루오로옥틸메타크릴레이트의 랜덤/블록/그래프트 공중합체 중에서 하나 이상으로부터 선택되는 계면활성제를 이용하여 유기 단량체와 함께 나노 입자를 제조하는 단계;를 포함하는 것을 특징으로 하는 중심-껍질(core-shell) 구조의 나노컴포지트 입자를 구형의 파우더 형태로 제조하는 방법.
- 삭제
- 제1항에 있어서, 무기산화물로는 이산화티타늄(TiO2), 이산화규소(SiO2), 삼산화이알루미늄(Al2O3), 삼탄산칼슘(CaCO3), 삼산화지르코늄(ZrO3), 산화아연(ZnO), 이산화아연(ZnO2), 이산화주석(SnO2) 중에서 선택되는 하나 이상의 무기산화물인 것을 특징으로하는 중심-껍질(core-shell) 구조의 나노컴포지트 입자를 구형의 파우더 형태로 제조하는 방법.
- 제1항에 있어서, 유기 고분자는 (메틸)메타크릴레이트(methylmthacrylate, MMA), 글리시딜 메타크릴레이트(grycidyl methacrylate), 스티렌(styrene), 디 비닐 벤젠(divinyl bezene) 중에서 선택되는 하나 이상의 유기물인 것을 특징으로하는 중심-껍질(core-shell) 구조의 나노컴포지트 입자를 구형의 파우더 형태로 제조하는 방법.
- 제1항에 있어서, 초임계 이산화탄소 조건은 65 내지 100 ℃의 온도와, 138 내지 500 bar의 압력을 이용하여 초임계 조건을 유지하는 것을 특징으로 하는 중심-껍질(core-shell) 구조의 나노컴포지트 입자를 구형의 파우더 형태로 제조하는 방법.
- 삭제
- 삭제
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KR100958539B1 (ko) * | 2007-11-02 | 2010-05-18 | 재단법인서울대학교산학협력재단 | 계면 씨드 중합을 이용한 무기 나노입자/고분자 코어-셀나노복합체의 제조 방법 |
WO2010017558A2 (en) * | 2008-08-08 | 2010-02-11 | The Board Of Trustees Of The University Of Illinois | Composite material compositions and methods |
EP2387597A4 (en) * | 2009-01-15 | 2014-05-14 | Univ Cornell | NANOPARTICULAR ORGANIC HYBRID MATERIALS (NOHM) |
US9142863B2 (en) | 2009-01-15 | 2015-09-22 | Cornell University | Nanoparticle organic hybrid materials (NOHMs) and compositions and uses of NOHMs |
ES2768232T3 (es) * | 2012-07-06 | 2020-06-22 | Akzo Nobel Coatings Int Bv | Método para producir una dispersión de nanocompuestos que comprenden partículas de compuestos de nanopartículas inorgánicas y polímeros orgánicos |
CN110628227B (zh) * | 2019-09-20 | 2020-07-07 | 江南大学 | 一种改性乳化沥青及其制备方法 |
CN113831762B (zh) * | 2020-11-04 | 2022-06-17 | 东华理工大学 | 一种包覆钛白粉的制备方法 |
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KR20040031788A (ko) * | 2001-09-14 | 2004-04-13 | 메르크 파텐트 게엠베하 | 코어-쉘 입자로 이루어지는 성형체 |
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KR20040031788A (ko) * | 2001-09-14 | 2004-04-13 | 메르크 파텐트 게엠베하 | 코어-쉘 입자로 이루어지는 성형체 |
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Journal of Supercritical Fluids (2006) vol.38, pp. 242-251.* |
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