Ring opening polymerization of L-lactide initiated by creatinine |
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| Authors: | Wang Chenhong Li Hong Zhao Xiaona |
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| Affiliation: | The State Key Laboratory of Functional Polymer Materials for Adsorption and Separation, Institute of Polymer Chemistry, Nankai University, Tianjin 300071, China. |
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| Abstract: | L-lactide was first successfully ring-opening polymerized in bulk using creatinine initiator. Poly(L-lactide)(PLLA) synthesized possesses a moderate molecular weight (MW) (Mn = 1.56 x 10(4)) and pretty narrow MW distribution (PDI = 1.28). Influence of temperature, time and creatinine dosage on the polymerization and formed PLLA's properties were examined. The polymerization mechanism is postulated according to (1)HNMR characterization of the propagation species and the synthesized PLLA product. |
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