KR101022884B1 - 약물층을 포함하는 폴리우레탄 폼 드레싱제 및 그 제조방법 - Google Patents
약물층을 포함하는 폴리우레탄 폼 드레싱제 및 그 제조방법 Download PDFInfo
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- KR101022884B1 KR101022884B1 KR1020090052120A KR20090052120A KR101022884B1 KR 101022884 B1 KR101022884 B1 KR 101022884B1 KR 1020090052120 A KR1020090052120 A KR 1020090052120A KR 20090052120 A KR20090052120 A KR 20090052120A KR 101022884 B1 KR101022884 B1 KR 101022884B1
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Abstract
Description
Claims (15)
- 폴리우레탄 발포 폼으로 이루어지는 폼층;수용해성 고분자를 포함하는 점도 2,000~10,000cps/25℃의 점성 액체를 코팅시켜 상기 폼층 위에 형성한 수용해성 막(membrane) 층; 및약물을 함유하는 점도 2,000~10,000cps/25℃의 용액을 코팅시켜 상기 수용해성 막 층 위에 형성한 약물층을 포함하는 폴리우레탄 폼 드레싱제.
- 제1항에 있어서, 상기 수용해성 막 층은 두께가 10~100㎛ 범위인 폴리우레탄 폼 드레싱제.
- 제1항에 있어서, 상기 수용해성 고분자는 소디움알지네이트; 잔탄검; 카라기난; 카르복시메틸셀룰로스나트륨; 젤란검; 및 펙틴으로 구성된 군으로부터 선택되는 폴리우레탄 폼 드레싱제.
- 제1항에 있어서, 상기 수용해성 고분자를 포함하는 점성 액체는 증류수 100 중량부; 글리세린 1~5 중량부; 및 수용해성 고분자 2~10 중량부를 포함하며,상기 수용해성 고분자는 소디움알지네이트; 잔탄검; 카라기난; 카르복시메틸셀룰로스나트륨; 젤란검; 및 펙틴으로 구성된 군으로부터 선택되는 폴리우레탄 폼 드레싱제.
- 제1항에 있어서, 상기 약물층은 두께가 10~200㎛ 범위인 폴리우레탄 폼 드레싱제.
- 제1항에 있어서, 상기 약물을 함유하는 용액은,(a) 탈이온수(DIW), 메탄올, 에탄올 중에서 선택된 용매 100 중량부;(b) 약물 0.1~50 중량부;(C) 부형제 20~40 중량부; 및(d) 카르복시메틸셀룰로스, 소듐알지네이트, 카라기난, 펙틴 중에서 선택된 점도 조절제 1~10 중량부를 포함하는 폴리우레탄 폼 드레싱제.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 약물은 티트리 오일(Teatree oil); 고삼 추출물(Sophora Angustifolia Extract); 붓꽃 추출물(Iris Extract); 감초 추출물(Glycyrrhiza Glabra Extract); 자몽(종자) 추출물; 병풀(Centella Asiatica) 추출물; 인도멀구슬나무 추출물(Neem Extract); 위치하젤 추출물(Witch Hazel Extract); 마치현 추출물(Portulace Oleracea Extract); 지실 추출물(Ponciri Fructus Extract); 알로에 추출물; 후시딘산 나트륨; 실버설파디아진; 수크로오스; 솔비톨; 만니톨; 과당; 포도당; 자일리톨; 유당; 맥아당; 말티톨; 트레할로오스; 포비돈; 및 바세린으로 구성된 군으로부터 선택되는 폴리우레탄 폼 드레싱제.
- 제7항에 있어서, 상기 폼층 아래에 무공형의 투습방수성 외측 필름층을 더 포함하는 폴리우레탄 폼 드레싱제.
- 제8항에 있어서, 상기 폼층은 직경 1~50㎛의 미세 개방기공(open cell)이 형성된 스킨층과; 직경 1~1,000㎛의 개방기공(open cell)이 형성된 흡수층의 2층 구조로 이루어지며, 상기 수용해성 막 층은 스킨층에 접하여 형성되고 상기 외측 필름층은 흡수층에 접하여 형성되는 것인 폴리우레탄 폼 드레싱제.
- 제9항에 있어서, 상기 폼층은 폴리올; 다이올; 이소시아네이트; 및 산화방지제를 포함하는 폴리우레탄 프리폴리머 100 중량부에, 탈이온수(DIW) 60~120 중량부, 계면활성제 1~10 중량부를 고속으로 혼합시킨 발포혼합액을 이형지 위에 0.05~10㎜의 두께로 도포시켜 얻은 것인 폴리우레탄 폼 드레싱제.
- 제10항에 있어서, 상기 폴리올은 2개 이상의 수산기를 갖고 분자량이 500~6,000인 에틸렌옥사이드/프로필렌옥사이드 공중합체로 에틸렌옥사이드 함량이 20%~90%인 폴리우레탄 폼 드레싱제.
- 제11항에 있어서, 상기 이소시아네이트는 이소포론디이소시아네이트; 2,4-톨루엔디이소시아네이트; 2,6-톨루엔디이소시아네이트; 메틸렌디페닐이소시아네이 트로 구성된 군으로부터 선택되는 폴리우레탄 폼 드레싱제.
- (a) 수용해성 고분자를 포함하는 점도 2,000~10,000cps/25℃의 점성 액체를 이형지 위에 코팅하여 두께 10~100㎛의 수용해성 막 층을 만드는 단계;(b) 폴리우레탄 발포 폼으로 이루어진 폼층의 한면에 상기 (a)에서 얻은 수용해성 막 층을 합지하는 단계;(c) 약물을 함유하는 점도 2,000~10,000cps/25℃의 용액을 이형지 위에 코팅하여 두께 10~200㎛의 약물층을 만드는 단계; 및(d) (b)에서 얻은 합지된 수용해성 막 층의 합지되지 않은 다른 면에 (c)에서 얻은 약물층을 합지하는 단계를 포함하는 폴리우레탄 폼 드레싱제의 제조방법.
- 제13항에 있어서, 폴리올; 다이올; 이소시아네이트; 및 산화방지제를 포함하는 폴리우레탄 프리폴리머 100 중량부에, 탈이온수(DIW) 60~120 중량부, 계면활성제 1~10 중량부를 고속으로 혼합시킨 발포혼합액을 이형지 위에 0.05~10㎜의 두께로 도포하여 경화되기 전의 택(Tack)성이 있는 겔(Gel) 상태로 상기 폼층을 얻는 단계를 더 포함하는 폴리우레탄 폼 드레싱제의 제조방법.
- 제14항에 있어서,투습방수성의 폴리우레탄 수지 100 중량부에 메틸에틸케톤 20~70 중량부, 디메틸포름아미드 5~30 중량부 및 안료 1~10 중량부를 첨가하고 교반한 후 기포를 제거하고 이형지에 도포 및 건조시켜 투습방수성의 폴리우레탄 필름층을 얻는 단계와;상기 수용해성 막 층과 폼층의 합지에 앞서, 상기 겔 상태의 폼층의 다른 면에 상기에서 얻은 폴리우레탄 필름층을 합지하는 단계를 더 포함하는 폴리우레탄 폼 드레싱제의 제조방법.
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KR20200013449A (ko) | 2018-07-30 | 2020-02-07 | 주식회사 원바이오젠 | 은-활성탄 복합체를 함유하는 폴리우레탄 폼 드레싱재 및 그 제조방법 |
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WO2017179918A1 (ko) | 2016-04-12 | 2017-10-19 | (주)안트로젠 | 수포성 표피박리증 완화 또는 개선용 중간엽줄기세포-하이드로겔-생분해성 또는 중간엽줄기세포-하이드로겔-비분해성 지지체 조성물 |
KR101926331B1 (ko) | 2016-04-12 | 2018-12-07 | (주)안트로젠 | 수포성 표피박리증 완화 또는 개선용 중간엽줄기세포-하이드로겔-생분해성 또는 중간엽줄기세포-하이드로겔-비분해성 지지체 조성물 |
KR20200013449A (ko) | 2018-07-30 | 2020-02-07 | 주식회사 원바이오젠 | 은-활성탄 복합체를 함유하는 폴리우레탄 폼 드레싱재 및 그 제조방법 |
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