Synthesis, Characterization, and Stereocomplex-Induced Gelation of Block Copolymers Prepared by Ring-Opening Polymerization of l (d )-Lactide in the Presence of Poly(ethylene glycol)
1
Centre de Recherche sur les Biopolymères Artificiels, Faculté de Pharmacie, 15 avenue Charles Flahault, 34060 Montpellier, France
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Publication type: Journal Article
Publication date: 2003-09-27
scimago Q1
wos Q1
SJR: 1.352
CiteScore: 9.0
Impact factor: 5.2
ISSN: 00249297, 15205835
Materials Chemistry
Organic Chemistry
Inorganic Chemistry
Polymers and Plastics
Abstract
A series of block copolymers were synthesized by ring-opening polymerization of l(d)-lactide in the presence of mono- or dihydroxyl poly(ethylene glycol) (PEG) using zinc metal as a catalyst. The resulting diblock and triblock copolymers with relatively short polylactide (PLA) blocks were characterized by various analytical techniques such as 1H NMR, SEC, DSC, and X-ray diffraction. The data showed that the copolymers were semicrystalline materials with predominant PEG crystallization although PLA blocks crystallized slightly in some cases. Solubilization tests showed that both the composition and molar mass are determining factors in the water solubility of the copolymers. Bioresorbable hydrogels were prepared from aqueous solutions containing both poly(l-lactide)/PEG and poly(d-lactide)/PEG block copolymers. Hydrogel formation resulted from stereocomplexation occurring between poly(l-lactide) and poly(d-lactide) blocks.
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Hsu S., Vert M. Synthesis, Characterization, and Stereocomplex-Induced Gelation of Block Copolymers Prepared by Ring-Opening Polymerization of l(d)-Lactide in the Presence of Poly(ethylene glycol) // Macromolecules. 2003. Vol. 36. No. 21. pp. 8008-8014.
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Hsu S., Vert M. Synthesis, Characterization, and Stereocomplex-Induced Gelation of Block Copolymers Prepared by Ring-Opening Polymerization of l(d)-Lactide in the Presence of Poly(ethylene glycol) // Macromolecules. 2003. Vol. 36. No. 21. pp. 8008-8014.
Cite this
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TY - JOUR
DO - 10.1021/ma034734i
UR - https://doi.org/10.1021/ma034734i
TI - Synthesis, Characterization, and Stereocomplex-Induced Gelation of Block Copolymers Prepared by Ring-Opening Polymerization of l(d)-Lactide in the Presence of Poly(ethylene glycol)
T2 - Macromolecules
AU - Hsu, Shan-Ming
AU - Vert, Michel
PY - 2003
DA - 2003/09/27
PB - American Chemical Society (ACS)
SP - 8008-8014
IS - 21
VL - 36
SN - 0024-9297
SN - 1520-5835
ER -
Cite this
BibTex (up to 50 authors)
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@article{2003_Hsu,
author = {Shan-Ming Hsu and Michel Vert},
title = {Synthesis, Characterization, and Stereocomplex-Induced Gelation of Block Copolymers Prepared by Ring-Opening Polymerization of l(d)-Lactide in the Presence of Poly(ethylene glycol)},
journal = {Macromolecules},
year = {2003},
volume = {36},
publisher = {American Chemical Society (ACS)},
month = {sep},
url = {https://doi.org/10.1021/ma034734i},
number = {21},
pages = {8008--8014},
doi = {10.1021/ma034734i}
}
Cite this
MLA
Copy
Hsu, Shan-Ming, and Michel Vert. “Synthesis, Characterization, and Stereocomplex-Induced Gelation of Block Copolymers Prepared by Ring-Opening Polymerization of l(d)-Lactide in the Presence of Poly(ethylene glycol).” Macromolecules, vol. 36, no. 21, Sep. 2003, pp. 8008-8014. https://doi.org/10.1021/ma034734i.