Ring-Opening Polymerization of L-Lactide with Polydimethylsiloxane Based Stabilizers in Supercritical Carbon Dioxide 


Vol. 12,  No. 2, pp. 62-66, Jun.  2006


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  Abstract

Poly(L-Lactide)(PLLA) was prepared by a ring-opening polymerization of L-Lactide with various polydimethylsiloxane(PDMS) based copolymers as a stabilizer in supercritical carbon dioxide(scCO2) . The block copolymeric stabilizers were synthesized by group transfer polymerization (GTP) by using PDMS macroinitiator. PLLA was found to be produced with fairly low molecular weight distribution as confirmed by gel permeation chromatography(GPC) analysis. Scanning electron microscopy (SEM) results showed that sub-micron size Poly(L-lactide)(PLLA) particles were formed by suspension polymerization.

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  Cite this article

[IEEE Style]

H. HS and L. KT, "Ring-Opening Polymerization of L-Lactide with Polydimethylsiloxane Based Stabilizers in Supercritical Carbon Dioxide," Clean Technology, vol. 12, no. 2, pp. 62-66, 2006. DOI: .

[ACM Style]

Hwang HS and Lim KT. 2006. Ring-Opening Polymerization of L-Lactide with Polydimethylsiloxane Based Stabilizers in Supercritical Carbon Dioxide. Clean Technology, 12, 2, (2006), 62-66. DOI: .

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pISSN : 1598 - 9712
eISSN : 2288 - 0690

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