KR20200031415A - 키토산으로 표면 코팅된 폴리우레탄 폼 및 이의 제조방법 - Google Patents
키토산으로 표면 코팅된 폴리우레탄 폼 및 이의 제조방법 Download PDFInfo
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Abstract
Description
도 2는 키토산 미처리 단면폼 및 키토산 코칭처리 단면폼에 대한 사진이다.
도 3은 폴리우레탄폼에 함유된 칼슘 카르복시메틸셀룰로오스로부터 Ca2 +이온의 방출을 확인하는 사진이다.
도 4는 본 발명 실시예 및 비교예의 혈액응고성능 비교 사진이다.
도 5는 실시예에 대한 세포 생존율을 보여주는 그래프이다.
| 시편 | 두께(mm) | 밀도(kg/m3) | 흡수도(g/g) | 흡수도/면적(g/m2) | 보유도(g/g) | 보유도/면적(g/cm2) |
| 실시예 | 4.90 | 233.20 | 6.01 | 0.68 | 4.49 | 0.51 |
| 비교예 1 | 4.95 | 235.23 | 4.02 | 0.49 | 3.98 | 0.40 |
| 비교예 2 | 5.00 | 234.89 | 5.81 | 0.56 | 4.21 | 0.43 |
| 비교예 3 | 5.02 | 230.41 | 5.66 | 0.66 | 4.75 | 0.52 |
| 시편 | 실시예 | 비교예 1 | 비교예 2 | 비교예 3 |
| 흡수속도 | 1.8초 | 200초 | 150초 | 120초 |
Claims (10)
- (1) 칼슘이온이 포함된 연속식 시트의 폴리우레탄 폼 제조단계; 및
(2) 상기 폴리우레탄 폼 일면에 키토산 코팅액을 두께조절이 가능한 롤투롤(roll to roll) 방식으로 키토산 코팅층이 형성되는 단계를 포함하는 키토산으로 표면 코팅된 폴리우레탄 폼 제조방법.
- 제1항에 있어서,
상기 폴리우레탄 폼 제조단계는 칼슘 카르복시메틸셀룰로오스를 폴리우레탄 프리폴리머에 함유시켜 발포하는 것에 특징이 있는 키토산으로 표면 코팅된 폴리우레탄 폼 제조방법.
- 제2항에 있어서,
상기 폴리우레탄 폼의 칼슘 카르복시메틸셀룰로오스의 함량은 프리폴리머 대비 0.5중량부~1.5중량부인 것에 특징이 있는 키토산으로 표면 코팅된 폴리우레탄 폼 제조방법.
- 제1항에 있어서,
상기 폴리우레탄 폼은 밀도 150kg/m3~300kg/m3, 흡수도 4g/g이상, 두께는 2mm~10mm인 것에 특징이 있는 키토산으로 표면 코팅된 폴리우레탄 폼 제조방법.
- 제1항에 있어서,
상기 키토산 코팅액은 증류수에 수용성 키토산 파우더 및 글리세린이 포함된 것으로, 상기 키토산 코팅액 100중량부 대비 키토산 파우더는 5중량부~15중량부이고, 글리세린은 2중량부~8중량부인 것에 특징이 있는 키토산으로 표면 코팅된 폴리우레탄 폼 제조방법.
- 제5항에 있어서,
상기 키토산 코팅액은 탈아세틸화도가 80%이상인 것에 특징이 있는 키토산으로 표면 코팅된 폴리우레탄 폼 제조방법.
- 제5항에 있어서,
상기 키토산 코팅액에 수용성 물질인 항균제, 지혈물질, 성장인자(growth factor), 비타민(vitamin) 중 적어도 어느 하나 이상이 포함된 것에 특징이 있는 키토산으로 표면 코팅된 폴리우레탄 폼 제조방법.
- 제1항 내지 제7항 중 어느 하나의 제조방법에 의해 제조된 키토산으로 표면 코팅된 폴리우레탄 폼.
- 제8항에 있어서,
상기 키토산으로 표면 코팅된 폴리우레탄 폼은 키토산 코팅층 및 폴리우레탄 폼층으로 구분되며,
상기 폴리우레탄 폼은 표면 및 내부에 빈 공간 기공이 균일하게 분포된 스펀지구조이고,
상기 키토산 코팅층은 폴리우레탄 폼의 일면에 일정한 깊이로 코팅되되,
상기 폴리우레탄 폼의 표면 및 내부에 형성된 기공구조가 유지되는 것에 특징이 있는 키토산으로 표면 코팅된 폴리우레탄 폼.
- 제8항에 있어서,
상기 키토산으로 표면 코팅된 폴리우레탄 폼은 키토산 코팅된 표면 이외의 다른 표면에 필름층이 합지된 것에 특징이 있는 키토산으로 표면 코팅된 폴리우레탄 폼.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100745050B1 (ko) * | 2006-03-24 | 2007-08-02 | 주식회사 원바이오젠 | 폴리우레탄 폼 드레싱재의 제조방법 및 제조장치 |
| KR20130085245A (ko) * | 2012-01-19 | 2013-07-29 | (주)시지바이오 | 항균성 창상 피복재 및 그 제조방법 |
| KR20180066453A (ko) * | 2016-12-09 | 2018-06-19 | 한국생산기술연구원 | 칼슘 카르복시메틸 셀룰로오스 파우더 및 수용성 키토산 화합물 파우더를 포함하는 지혈 소재 및 그의 제조 방법 |
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- 2018-09-14 KR KR1020180110394A patent/KR102164484B1/ko active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100745050B1 (ko) * | 2006-03-24 | 2007-08-02 | 주식회사 원바이오젠 | 폴리우레탄 폼 드레싱재의 제조방법 및 제조장치 |
| KR20130085245A (ko) * | 2012-01-19 | 2013-07-29 | (주)시지바이오 | 항균성 창상 피복재 및 그 제조방법 |
| KR20180066453A (ko) * | 2016-12-09 | 2018-06-19 | 한국생산기술연구원 | 칼슘 카르복시메틸 셀룰로오스 파우더 및 수용성 키토산 화합물 파우더를 포함하는 지혈 소재 및 그의 제조 방법 |
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