Polymer(Korea) (폴리머)

The Polymer Society of Korea (한국고분자학회)
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Oxidative Gelation of Dopamine-modified Polyaspartamides by NaIO4

NaIO4를 사용한 도파민-수식 폴리아스팔트아미드의 산화적 젤화

  • Jeon, Young Sil (School of Chemical Engineering, Sungkyunkwan University) ;
  • Bui, Quang Tri (School of Chemical Engineering, Sungkyunkwan University) ;
  • An, Jung Hyun (School of Chemical Engineering, Sungkyunkwan University) ;
  • Chung, Dong June (Department of Polymer Science & Engineering, Sungkyunkwan University) ;
  • Kim, Ji-Heung (School of Chemical Engineering, Sungkyunkwan University)
  • 전영실 (성균관대학교 화학공학부) ;
  • ;
  • 안중현 (성균관대학교 화학공학부) ;
  • 정동준 (성균관대학교 고분자공학과) ;
  • 김지흥 (성균관대학교 화학공학부)
  • Received : 2013.06.18
  • Accepted : 2013.09.24
  • Published : 2014.01.25
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Abstract

Novel adhesive polyaspartamides containing catechol and primary amine pendent groups were synthesized through successive ring-opening aminolysis reactions of dopamine (DOP) and ethylenediamine (EDA) with polysuccinimide (PSI). The oxidative gelation of aqueous dopamine-modified polyaspartamide was observed by adding $NaIO_4$ as the oxidizing reagent. FTIR, UV-vis and oscillatory rheometry was used to elucidate the oxidative cross-linking toward gel formation. The prepared gel was characterized by the swelling degree, thermogravimetric analysis (TGA), and by scanning electronic microscopy (SEM).

도파민 및 에틸렌디아민의 폴리숙신이미드(polysuccinimide)와의 연속적인 개환 아미놀리시스 반응을 통해 카테콜 및 1차 아민기를 곁가지에 함유한 접착성 폴리아스팔트아미드를 합성하고, 산화제로서 $NaIO_4$를 사용한 상기 고분자 수용액의 산화적 젤화 반응을 관찰하였다. FTIR, UV-vis과 oscillatory rheometry를 이용하여 산화성 가교반응을 통한 젤 형성을 규명하고, 제조된 젤의 수팽윤도, 열중량분석(TGA) 및 SEM 모폴로지를 조사하였다.

Keywords

Acknowledgement

Supported by : National Research Foundation of Korea (NRF)

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