Melt/solid polycondensation of l -lactic acid: an alternative route to poly( l -lactic acid) with high molecular weight
Publication type: Journal Article
Publication date: 2001-05-01
scimago Q1
wos Q2
SJR: 0.843
CiteScore: 7.7
Impact factor: 4.5
ISSN: 00323861, 18732291
Materials Chemistry
Organic Chemistry
Polymers and Plastics
Abstract
A high polymer of poly( l -lactic acid)(PLLA) is successfully obtained by the melt/solid polycondensation of l -lactic acid (LA) catalyzed by a tin chloride dihydrate/p-toluenesulfonic acid binary system. In this process, a polycondensate with a molecular weight of 20,000 Da is first prepared by ordinary melt-polycondensation, crystallized by heat-treatment around 105°C, and heated at 140 or 150°C for 10–30 h for further polycondensation. A high-quality polymer of PLLA can be obtained in high yield in a relatively short reaction time and its molecular weight exceeds 500,000 Da which is comparable with that of the PLLA obtained by the lactide method but has never been attained by the simple melt-polycondensation.
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223
Total citations:
223
Citations from 2024:
14
(6.3%)
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GOST
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Moon S. I. et al. Melt/solid polycondensation of l -lactic acid: an alternative route to poly( l -lactic acid) with high molecular weight // Polymer. 2001. Vol. 42. No. 11. pp. 5059-5062.
GOST all authors (up to 50)
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Moon S. I., Lee C., Taniguchi I., Miyamoto M., Kimura Y. Melt/solid polycondensation of l -lactic acid: an alternative route to poly( l -lactic acid) with high molecular weight // Polymer. 2001. Vol. 42. No. 11. pp. 5059-5062.
Cite this
RIS
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TY - JOUR
DO - 10.1016/S0032-3861(00)00889-2
UR - https://doi.org/10.1016/S0032-3861(00)00889-2
TI - Melt/solid polycondensation of l -lactic acid: an alternative route to poly( l -lactic acid) with high molecular weight
T2 - Polymer
AU - Moon, S. I.
AU - Lee, C.
AU - Taniguchi, I.
AU - Miyamoto, M.
AU - Kimura, Y.
PY - 2001
DA - 2001/05/01
PB - Elsevier
SP - 5059-5062
IS - 11
VL - 42
SN - 0032-3861
SN - 1873-2291
ER -
Cite this
BibTex (up to 50 authors)
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@article{2001_Moon,
author = {S. I. Moon and C. Lee and I. Taniguchi and M. Miyamoto and Y. Kimura},
title = {Melt/solid polycondensation of l -lactic acid: an alternative route to poly( l -lactic acid) with high molecular weight},
journal = {Polymer},
year = {2001},
volume = {42},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016/S0032-3861(00)00889-2},
number = {11},
pages = {5059--5062},
doi = {10.1016/S0032-3861(00)00889-2}
}
Cite this
MLA
Copy
Moon, S. I., et al. “Melt/solid polycondensation of l -lactic acid: an alternative route to poly( l -lactic acid) with high molecular weight.” Polymer, vol. 42, no. 11, May. 2001, pp. 5059-5062. https://doi.org/10.1016/S0032-3861(00)00889-2.