KR101027537B1 - 탄소나노튜브를 이용한 pH 감응형 전도성 하이드로겔 및 이의 제조방법 - Google Patents
탄소나노튜브를 이용한 pH 감응형 전도성 하이드로겔 및 이의 제조방법 Download PDFInfo
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Abstract
Description
Claims (9)
- 폴리비닐알콜, pH 감응성인 비닐계 단량체, 가교제 및 용제를 혼합하여 하이드로겔 전구체 용액을 제조하는 단계; 및상기 제조된 하이드로겔 전구체 용액에 약물 담지 탄소나노튜브 및 개시제를 첨가하고 가교 후 건조하여 전도성 하이드로겔을 제조하는 단계;를 포함하는 탄소나노튜브를 이용한 pH 감응형 전도성 하이드로겔의 제조방법.
- 제 1항에 있어서,상기 pH 감응형 전도성 하이드로겔은 하이드로겔 전구체 용액 100중량부에 대하여 약물 담지 탄소나노튜브 0.1 내지 10중량부 및 개시제 10 내지 30중량부로 혼합되는 것을 특징으로 하는 pH 감응형 전도성 하이드로겔의 제조방법.
- 제 2항에 있어서,상기 하이드로겔 전구체 용액은 폴리비닐알콜 100중량부에 대하여 pH 감응성인 비닐계 단량체 10 내지 50 중량부 및 가교제 1 내지 20중량부로 혼합되어 제조되는 것을 특징으로 하는 pH 감응형 전도성 하이드로겔의 제조방법.
- 제 2항에 있어서,상기 약물 담지 탄소나노튜브는 펩티드, 단백질, 당단백질, 다당류 및 핵산 중에서 선택되는 어느 1종 이상의 수용성 약물에 탄소나노튜브를 침지 및 건조하여 제조되는 것을 특징으로 하는 pH 감응형 전도성 하이드로겔의 제조방법.
- 제 1항에 있어서,상기 가교 후 건조 조건은 상온에서 10분 내지 1시간 교반 후, 산소를 제거하여 상온 내지 100℃로 30분 내지 3시간 동안 반응하여 제조되는 것을 특징으로 하는 pH 감응형 전도성 하이드로겔의 제조방법.
- 제 3항에 있어서,상기 폴리비닐알콜은 분자량이 31,000 내지 50,000이고, 상기 pH 감응성인 비닐계 단량체는 아크릴산(acrylic acid), 메타크릴산(methacrylic acid), 메타크릴아미드(methacryl amide), 하이드록시에틸메타크릴레이트(hydroxyethyl methacrylate), 그리시딜아크릴레이트(glycidyl acrylate), 시나믹 산(cinnamic acid), 비닐피롤리돈(vinylpyrrolidone) 및 메틸메타크릴레이트(methyl meta acrylate)에서 선택되는 1종 이상의 것이며, 상기 가교제는 글루타르알데히드(glutaraldehyde;GA) 및 에틸렌글리콜디메타크릴레이트(ethtyleneglycoldimethacrylate;EGDMA) 혼합물인 것을 특징으로 하는 pH 감응형 전도성 하이드로겔의 제조방법.
- 제 4항에 있어서,상기 탄소나노튜브는 외경이 80 내지 120 ㎚, 내경이 40 내지 60 ㎚ 및 길이 10 내지 30 ㎚인 것을 특징으로 하는 pH 감응형 전도성 하이드로겔의 제조방법.
- 제 4항에 있어서,상기 수용성 약물은 쿠마시브릴리언트블루(coomassie brilliant blue)인 것을 특징으로 하는 pH 감응형 전도성 하이드로겔의 제조방법.
- 제 1항 내지 제 8항에서 선택되는 어느 한 항의 따른 제조방법에 따라 제조된 약물전달용 pH 감응형 전도성 하이드로겔.
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KR101275145B1 (ko) * | 2011-02-15 | 2013-06-17 | 충남대학교산학협력단 | 약물전달용 경피 흡수제제 |
CN112442194A (zh) * | 2019-09-04 | 2021-03-05 | 四川大学 | 一种导电粘合水凝胶的制备方法 |
KR102486268B1 (ko) * | 2020-09-03 | 2023-01-09 | 서울과학기술대학교 산학협력단 | 타닌산 및 알긴산 가교결합된 기능성 하이드로젤 및 이의 제조방법 |
CN113332936A (zh) * | 2021-07-02 | 2021-09-03 | 长春工业大学 | 一种高韧性导电抗冻的碳纳米管有机水凝胶 |
CN114111560B (zh) * | 2021-11-19 | 2024-01-05 | 山东省科学院新材料研究所 | 一种可重复使用的水凝胶基封装式传感器件的制备方法 |
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KR20040106881A (ko) * | 2003-06-12 | 2004-12-18 | 학교법인 한양학원 | Pva/pdadmac을 주성분으로 하는 ipn하이드로겔 및 이것의 응용 |
KR20050094559A (ko) * | 2004-03-23 | 2005-09-28 | 임지원 | 폴리아크릴산으로 가교된 폴리비닐알콜 하이드로젤 |
KR100805818B1 (ko) | 2006-11-24 | 2008-02-21 | 한양대학교 산학협력단 | 하이드로겔의 제조방법 및 이에 의하여 제조된하이드로겔의 용도 |
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KR20040106881A (ko) * | 2003-06-12 | 2004-12-18 | 학교법인 한양학원 | Pva/pdadmac을 주성분으로 하는 ipn하이드로겔 및 이것의 응용 |
KR20050094559A (ko) * | 2004-03-23 | 2005-09-28 | 임지원 | 폴리아크릴산으로 가교된 폴리비닐알콜 하이드로젤 |
KR100805818B1 (ko) | 2006-11-24 | 2008-02-21 | 한양대학교 산학협력단 | 하이드로겔의 제조방법 및 이에 의하여 제조된하이드로겔의 용도 |
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