KR20220110993A - 전도성 하이드로겔 및 이의 제조 방법 - Google Patents
전도성 하이드로겔 및 이의 제조 방법 Download PDFInfo
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- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 claims abstract description 57
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Abstract
Description
도 2 는 본원의 일 구현예에 따른 전도성 하이드로겔의 제조 방법을 나타낸 순서도이다.
도 3 은 본원의 일 구현예에 따른 전도성 하이드로겔의 제조 방법을 나타낸 모식도이다.
도 4 는 본원의 일 구현예에 따른 전도성 하이드로겔을 나타낸 모식도이다.
도 5 는 본원의 일 실시예에 따른 전도성 하이드로겔의 제조 방법을 나타낸 모식도이다.
도 6 은 본원의 일 실시예에 따른 전도성 하이드로겔의 사진이다.
도 7 의 (a) 는 본원의 일 비교예에 따른 HA-BA 고분자의 XPS 스펙트럼이고, (b) 내지 (d) 는 본원의 일 실시예에 따른 전도성 하이드로겔의 XPS 스펙트럼이다.
도 8 은 본원의 일 실시예에 따른 전도성 하이드로겔의 전단 속도(s-1) 및 면찰점도(Pa·s) 사이의 관계를 나타낸 그래프이다.
도 9 는 본원의 일 실시예에 따른 전도성 하이드로겔의 G' 및 tan(δ) 에 대한 그래프이다.
도 10 은 본원의 일 실시예에 따른 전도성 하이드로겔의 G' 및 G'' 에 대한 그래프이다.
도 11 은 본원의 일 실시예에 따른 전도성 하이드로겔의 연신 및 저항에 대한 그래프이다.
Claims (14)
- 용매, 히알루론산 고분자, 및 페닐기를 포함하는 보론산 전구체를 혼합하여, 주쇄로서 히알루론산 고분자를 포함하고, 측기로서 페닐 보론산을 포함하는 HA-BA 고분자 용액을 형성하는 단계;
상기 HA-BA 고분자 용액 상에, 귀금속 이온 및 염기성 용액을 첨가하는 단계;
상기 HA-BA 고분자들끼리 가교 결합되어 하이드로겔을 형성하는 단계;및
상기 귀금속 이온이 환원되어 귀금속 나노 입자를 형성하는 단계;
를 포함하는 전도성 하이드로겔의 제조 방법.
- 제 1 항에 있어서,
상기 하이드로겔을 형성하는 단계에서, 상기 측기들이 가교결합되어 상기 하이드로겔 고분자가 바이페닐에 의해 연결되어 네트워크를 형성하는 것인, 전도성 하이드로겔의 제조 방법.
- 제 2 항에 있어서,
상기 측기들이 가교결합되는 과정에서 상기 귀금속 이온이 환원되는 것인, 전도성 하이드로겔의 제조 방법.
- 제 2 항에 있어서,
상기 염기성 용액을 첨가하는 단계에서, 상기 HA-BA 고분자 용액에서 탈붕소화가 수행되는 것인, 전도성 하이드로겔의 제조 방법.
- 제 1 항에 있어서,
상기 HA-BA 고분자에서 상기 히알루론산 고분자 및 상기 페닐 보론산의 접합도는 2% 내지 15% 인, 전도성 하이드로겔의 제조 방법.
- 제 1 항에 있어서,
상기 귀금속 나노 입자를 형성하는 단계는 pH 가 7 초과 9 이하인 조건에서 수행되는 것인, 전도성 하이드로겔의 제조 방법.
- 제 1 항에 있어서,
상기 귀금속 이온은 Au, Ag, Pt, Pd, Ir, Os, 및 이들의 조합들로 이루어진 군에서 선택된 것의 이온을 포함하는 것인, 전도성 하이드로겔의 제조 방법.
- 제 1 항에 있어서,
상기 HA-BA 고분자 용액은 EDC(1-ethyl-3-(3-dimethylaminopropyl) -carbodiimide hydrochloride) 및 NHS(N-hydroxylsuccinimide)를 추가 포함하는 것인, 전도성 하이드로겔의 제조 방법.
- 제 1 항에 있어서,
상기 염기성 용액은 NaOH, KOH, Ba(OH)2, Ca(OH)2, NH4OH, 및 이들의 조합들로 이루어진 군에서 선택된 것을 포함하는 것인, 전도성 하이드로겔의 제조 방법.
- 제 1 항 내지 제 9 항 중 어느 한 항에 따른 방법에 의해 제조된, 전도성 하이드로겔에 있어서,
히알루론산 및 귀금속 나노입자를 포함하는 전도성 하이드로겔에 있어서,
상기 히알루론산은 바이페닐에 의해 연결되어 네트워크를 형성하고,
상기 귀금속 나노입자는 상기 네트워크 상에 분산되어 있는 것인,
전도성 하이드로겔.
- 제 10 항에 있어서,
상기 하이드로겔의 저항은 1 kΩ 내지 100 kΩ 인, 전도성 하이드로겔.
- 제 10 항에 있어서,
상기 전도성 하이드로겔의 탄젠트 델타(tan(δ))는 0 초과 0.5 이하인, 전도성 하이드로겔.
- 제 10 항에 있어서,
상기 전도성 하이드로겔의 길이 방향에서의 연신율은 80% 내지 120% 인, 전도성 하이드로겔.
- 제 10 항에 따른 전도성 하이드로겔을 포함하는, 하이드로겔 잉크.
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