KR101303284B1 - 히알루론산과 콘드로이틴 설페이트를 함유한 수화겔 및 이의 제조방법 - Google Patents
히알루론산과 콘드로이틴 설페이트를 함유한 수화겔 및 이의 제조방법 Download PDFInfo
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- KR101303284B1 KR101303284B1 KR1020110031768A KR20110031768A KR101303284B1 KR 101303284 B1 KR101303284 B1 KR 101303284B1 KR 1020110031768 A KR1020110031768 A KR 1020110031768A KR 20110031768 A KR20110031768 A KR 20110031768A KR 101303284 B1 KR101303284 B1 KR 101303284B1
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- hydrogel
- derivative
- polymer
- hyaluronic acid
- chondroitin sulfate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0063—Glycosaminoglycans or mucopolysaccharides, e.g. keratan sulfate; Derivatives thereof, e.g. fucoidan
- C08B37/0072—Hyaluronic acid, i.e. HA or hyaluronan; Derivatives thereof, e.g. crosslinked hyaluronic acid (hylan) or hyaluronates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
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Abstract
Description
도 2는 HA/CS/PAAc 수화겔의 겔화율을 나타내는 그래프이다.
도 3은 증류수에서 수화겔의 함수 속도를 나타내는 그래프이다.
도 4는 PBS 용액에서 수화겔의 함수 속도를 나타내는 그래프이다.
도 5는 효소양에 따른 HA/CS/PVA 수화겔의 생분해성을 나타내는 그래프이다.
도 6은 HA/CS/PVA 수화겔의 조성비에 따른 생분해성을 나타내는 그래프이다.
|
수화겔 샘플명 |
공급 중량비(%) |
가교제(PEGDM) 첨가 유무 |
||
[HA/CS] | PVA | PAAc | |||
실시예 1 | HA/CS/PVA-73 | 70 | 30 | 0 | X |
실시예 2 | HA/CS/PVA-55 | 50 | 50 | 0 | X |
실시예 3 | HA/CS/PVA-37 | 30 | 70 | 0 | X |
실시예 4 | HA/CS/PAAc-73 | 70 | 0 | 30 | X |
실시예 5 | HA/CS/PAAc-55 | 50 | 0 | 50 | X |
실시예 6 | HA/CS/PAAc-37 | 30 | 0 | 70 | X |
비교예 1 | C-HA/CS/PVA-73 | 70 | 30 | 0 | O |
비교예 2 | C-HA/CS/PVA-55 | 50 | 50 | 0 | O |
비교예 3 | C-HA/CS/PVA-37 | 30 | 70 | 0 | O |
비교예 4 | C-HA/CS/PAAc-73 | 70 | 0 | 30 | O |
비교예 5 | C-HA/CS/PAAc-55 | 50 | 0 | 50 | O |
비교예 6 | C-HA/CS/PAAc-37 | 30 | 0 | 70 | O |
수화겔 샘플 | 증류수 | PBS | |
실시예 1 | HA/CS/PVA-73 | 97.60 ± 0.0755 | 94.95 ± 0.1595 |
실시예 2 | HA/CS/PVA-55 | 98.23 ± 0.1420 | 93.66 ± 0.6887 |
실시예 3 | HA/CS/PVA-37 | 97.18 ± 0.3597 | 96.23 ± 0.7775 |
실시예 4 | HA/CS/PAAc-73 | 95.92 ± 0.1861 | 93.16 ± 0.4867 |
실시예 5 | HA/CS/PAAc-55 | 95.51 ± 0.2110 | 96.43 ± 0.3459 |
실시예 6 | HA/CS/PAAc-37 | 97.92 ± 0.0844 | 97.84 ± 0.6783 |
비교예 1 | C-HA/CS/PVA-73 | 95.92 ± 0.0924 | 91.24 ± 0.0289 |
비교예 2 | C-HA/CS/PVA-55 | 94.27 ± 0.0384 | 86.34 ± 0.4509 |
비교예 3 | C-HA/CS/PVA-37 | 92.20 ± 0.1660 | 84.91 ± 0.9018 |
비교예 4 | C-HA/CS/PAAc-73 | 93.48 ± 0.1380 | 90.13 ± 0.1595 |
비교예 5 | C-HA/CS/PAAc-55 | 92.35 ± 0.2297 | 89.84 ± 0.3501 |
비교예 6 | C-HA/CS/PAAc-37 | 89.74 ± 0.0469 | 85.40 ± 0.2311 |
Claims (12)
- 천연고분자 유도체로서 가교 가능한 관능기를 갖는 적어도 하나의 히알루론산 유도체 및 콘드로이틴 설페이트 유도체와, 합성고분자로서 적어도 하나의 폴리비닐알콜, 폴리아크릴산, 폴리에틸렌옥사이드, 폴리하이드록시에틸메타크릴레이트 및 폴리비닐피롤리돈을 포함하고, 상기 천연고분자 유도체와 합성고분자가 방사선에 의해 가교된 의료용 고분자 수화겔.
- 제1항에 있어서, 상기 가교 가능한 관능기를 갖는 히알루론산 유도체는 글리시딜 메타크릴레이트가 치환된 히알루론산인 것을 특징으로 하는 의료용 고분자 수화겔.
- 제1항에 있어서, 상기 콘드로이틴 설페이트 유도체는 메타크릴레이트가 치환된 콘드로이틴 설페이트인 것을 특징으로 하는 의료용 고분자 수화겔.
- 천연고분자에 가교가 가능한 관능기를 도입하여 히알루론산 유도체 및 콘드로이틴 설페이트 유도체로 이루어지는 군으로부터 선택되는 1종 이상의 천연고분자 유도체를 제조하는 단계(단계 1);
상기 단계 1에서 제조한 천연고분자 유도체를 폴리비닐알콜, 폴리아크릴산, 폴리에틸렌옥사이드, 폴리하이드록시에틸메타크릴레이트 및 폴리비닐피롤리돈으로 이루어지는 군으로부터 선택되는 1종 이상의 합성고분자와 함께 증류수에 혼합하여 혼합수용액을 제조하는 단계(단계 2);
상기 단계 2에서 제조한 혼합수용액을 형틀에 붓고 방사선을 조사하여 겔 상태의 시트를 제조하는 단계(단계 3)를 포함하는 제1항의 의료용 고분자 수화겔의 제조방법.
- 삭제
- 제4항에 있어서, 상기 히알루론산 유도체는 글리시딜 메타크릴레이트가 치환된 히알루론산인 것을 특징으로 하는 의료용 고분자 수화겔의 제조방법.
- 제4항에 있어서, 상기 콘드로이틴 설페이트 유도체는 메타크릴레이트가 치환된 콘드로이틴 설페이트인 것을 특징으로 하는 의료용 고분자 수화겔의 제조방법.
- 삭제
- 제4항에 있어서, 상기 단계 3의 방사선은 감마선, 자외선 및 전자선으로 이루어진 군에서 선택되는 1종인 것을 특징으로 하는 의료용 고분자 수화겔의 제조방법.
- 제9항에 있어서, 상기 방사선의 조사량은 5 ~ 25 kGy인 것을 특징으로 하는 의료용 고분자 수화겔의 제조방법.
- 천연고분자 유도체로서 글리시딜 메타크릴레이트가 치환된 히알루론산 및 메타크릴레이트가 치환된 콘드로이틴 설페이트와, 합성고분자로서 적어도 하나의 폴리비닐알콜 및 폴리아크릴산이 30:70 ~ 70:30의 중량비로 혼합되고, 상기 천연고분자 유도체와 합성고분자의 함량이 5 중량%이며, 잔부로서 물을 포함하는 조성물에 10 ~ 20 kGy의 방사선을 조사하여 가교되는 의료용 고분자 수화겔.
- 제1항의 의료용 고분자 수화겔을 이용한 궤양, 상처 또는 화상 치료용 드레싱.
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KR20200031059A (ko) * | 2018-09-13 | 2020-03-23 | 주식회사 엘지화학 | 황산화 히알루론산 기반의 하이드로겔 및 이를 포함하는 약제학적 조성물 |
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