Open Access
Synthesis of lactide from oligomeric PLA: Effects of temperature, pressure, and catalyst
Тип публикации: Journal Article
Дата публикации: 2006-10-01
scimago Q2
wos Q2
БС2
SJR: 0.585
CiteScore: 4.9
Impact factor: 3.4
ISSN: 15985032, 20927673
Materials Chemistry
Organic Chemistry
General Chemical Engineering
Polymers and Plastics
Краткое описание
Lactide was produced from oligomeric PLA by back-biting reaction of the OH end groups. For optimization of the reaction conditions, the effects of temperature, pressure, PLA molecular weight, and catalyst type on the lactide synthesis were examined. The fraction of D,L-lactide decreased with increasing temperature. Among the various Sn-based catalysts, the D,L-lactide fraction was maximized when SnO was used. A higher yield with lower racemization was observed at lower pressure. The conversion of PLA was maximized at an oligomeric PLA molecular weight of ca. 1380. The yield of lactide increased but the fraction of D,L-lactide decreased with increasing molecular weight. The highest conversion with the lowest racemization degree was obtained at a catalyst concentration of 0.1 wt%. The lactide was more sensitive to racemization because of the entropic effect.
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ГОСТ
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Yoo D. K., Kim D., Lee D. Synthesis of lactide from oligomeric PLA: Effects of temperature, pressure, and catalyst // Macromolecular Research. 2006. Vol. 14. No. 5. pp. 510-516.
ГОСТ со всеми авторами (до 50)
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Yoo D. K., Kim D., Lee D. Synthesis of lactide from oligomeric PLA: Effects of temperature, pressure, and catalyst // Macromolecular Research. 2006. Vol. 14. No. 5. pp. 510-516.
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TY - JOUR
DO - 10.1007/bf03218717
UR - https://doi.org/10.1007/bf03218717
TI - Synthesis of lactide from oligomeric PLA: Effects of temperature, pressure, and catalyst
T2 - Macromolecular Research
AU - Yoo, Dong Keun
AU - Kim, Dukjoon
AU - Lee, Doo-Sung
PY - 2006
DA - 2006/10/01
PB - Polymer Society of Korea
SP - 510-516
IS - 5
VL - 14
SN - 1598-5032
SN - 2092-7673
ER -
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@article{2006_Yoo,
author = {Dong Keun Yoo and Dukjoon Kim and Doo-Sung Lee},
title = {Synthesis of lactide from oligomeric PLA: Effects of temperature, pressure, and catalyst},
journal = {Macromolecular Research},
year = {2006},
volume = {14},
publisher = {Polymer Society of Korea},
month = {oct},
url = {https://doi.org/10.1007/bf03218717},
number = {5},
pages = {510--516},
doi = {10.1007/bf03218717}
}
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MLA
Скопировать
Yoo, Dong Keun, et al. “Synthesis of lactide from oligomeric PLA: Effects of temperature, pressure, and catalyst.” Macromolecular Research, vol. 14, no. 5, Oct. 2006, pp. 510-516. https://doi.org/10.1007/bf03218717.