Polymerization and Characterization of Functionalized Poly(L-Lactide)

Abstract:

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Functional poly(L-lactide) (PLLA-OH) containing vinyl groups as well as hydroxyl end groups was synthesized by ring-opening polymerization (ROP), using stannous octanoate as the catalyst and 2-hydroxyethyl methacrylate (HEMA) as the initiator. The structure of the obtained PLLA-OH was characterized using both Fourier Transform Infrared (FT-IR) spectroscopy and 1H nuclear magnetic resonance (1H-NMR) spectroscopy, while their crystallinities and thermo behavior were studied by differential scanning calorimetry (DSC), separately. The best condition for the ROP of the studied PLLA-OH was found with the polymerization temperature of T= 145 °C, the weight percent of the catalyst of 0.03 wt%, the ROP duration of 48 h and the L-lactide/initiator molar ratio of 100/1.

Info:

Periodical:

Materials Science Forum (Volumes 620-622)

Edited by:

Hyungsun Kim, JienFeng Yang, Tohru Sekino and Soo Wohn Lee

Pages:

595-598

DOI:

10.4028/www.scientific.net/MSF.620-622.595

Citation:

Y. S. Jin et al., "Polymerization and Characterization of Functionalized Poly(L-Lactide)", Materials Science Forum, Vols. 620-622, pp. 595-598, 2009

Online since:

April 2009

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Price:

$35.00

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