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Synthesis and characterization of biodegradable polyurethane based on poly(ε-caprolactone) and L-lysine ethyl ester diisocyanate

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机构： [1]School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China [2]Xuanwu Hospital, Capital Medical University, Beijing 100053, China

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关键词： Biodegradability L-lysine ethyl ester diisocyanate Poly(ε-caprolactone) Polyurethane Solution electrospinning

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A biocompatible diisocyanate, lysine ethyl ester diisocyanate, was prepared. Afterwards, biodegradable polyurethane (PU) was synthesized by the stepgrowth polymerization of this diisocyanate with hydroxyl terminated poly(ε-caprolactone) in the presence of 1,4-butanediol as a chain-extender. The resulting PU was characterized by GPC, IR and DSC measurements. Its mechanical strength was found to increase with increasing the hard segment content. The PU microfiber meshes with high porosity were obtained by solution electrospinning technique. Their degradation behavior in the PBS and enzymatic solution was also investigated. © 2009 Higher Education Press and Springer-Verlag GmbH.

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第一作者机构： [1]School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China

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通讯机构： [1]School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China

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