聚5-羧基吲哚-聚乙交酯可降解导电共聚物的合成与表征

Journal of Nanjing University of Technology(Natural Science Edition)(2012)

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Abstract
以N,N'-二环己基碳化二亚胺(DCC)为脱水剂、4-二甲氨基吡啶(DMAP)为催化剂,通过低温缩聚法合成可生物降解并导电的聚5-羧基吲哚(PICA)与聚乙交酯(PGA)的共聚物。合成的产物采用红外光谱仪(FT-IR)、核磁共振氢谱仪(1H NMR)、质谱仪(MS)进行表征。结果表明:产物经25 d降解了41.7%,测得掺杂的共聚物电导率为9.1×10-4S/cm。将乳仓鼠肾细胞(BHK21)黏附于合成的齐聚物膜上,细胞增殖生长效果明显。
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Key words
polyglycolide,degradation,conducting polymers,poly(indole-5-carboxylic acid),biocompatibility
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