Abstract
AbstractPoly(5‐benzyloxy‐trimethylene carbonate‐co‐glycolide) random copolymers were synthesized through the ring‐opening polymerization of 5‐benzyloxy‐trimethylene carbonate and glycolide (GA). The copolymers with different compositions, PBG‐1 with 17% GA units and PBG‐2 with 45% GA units, were obtained. Using these copolymers, microsphere drug delivery systems with submicron sizes were fabricated using an “ultrasonic assisted precipitation method.” The in‐vitro drug release from these microspheres was investigated. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
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