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Advantages of surface-initiated ATRP (SI-ATRP) for the functionalization of electrospun materials
Chiara Gualandi1, Cong Duan Vo, Maria Letizia Focarete
1Department of Chemistry G. Ciamician and National Consortium of Materials Science and Technology (INSTM, Bologna RU), University of Bologna, Bologna, Italy.
Abstract:
Surface-initiated atom transfer radical polymerization (SI-ATRP) is successfully applied to electrospun constructs of poly(L-lactide). ATRP macroinitiators are adsorbed through polyelectrolyte complexation following the introduction of negative charges on the polyester surface through its blending with a six-armed carboxy-terminated oligolactide. SI-ATRP of glycerol monomethacrylate (GMMA) or 2-(N,N-diethylamino)ethyl methacrylate (DEAEMA) allows then to grow surface films with controllable thickness, and in this way also to control the wetting and interactions of the construct.
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