Abstract
AbstractAmino‐functionalized six‐membered cyclic carbonate 5‐((2‐nitrobenzyl) amino)‐1,3‐dioxan‐2‐one (NBAC) was synthesized with 2‐nitrobenzyl group as photolabile protecting group. The following copolymerization was carried out by using l‐lactide as comonomer and Sn (Oct)2 as catalyst. The amino‐functionalized polymer P(LA‐co‐AC) was obtained by ultraviolet irradiation of P(LA‐co‐NBAC) to remove the protecting group. The structures of products were confirmed by 1H nuclear magnetic resonance (NMR) and 13C NMR analysis. The pendant amino groups not only resulted in an enhancement of the hydrophilicity, but also played a role of antibacterial effect due to the positive charge imparted to the material.
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