Synthesis of Lactide from Alkyl Lactate via a Prepolymer Route
Тип публикации: Journal Article
Дата публикации: 2012-03-20
scimago Q1
wos Q2
БС1
SJR: 0.828
CiteScore: 6.7
Impact factor: 3.9
ISSN: 08885885, 15205045
General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering
Краткое описание
Poly(lactic acid) is a biodegradable polymer that has enormous potential for use as a replacement for some petroleum-based materials. However, the properties of this polymer depend strongly on the quality of the lactide monomer from which it is often synthesized. In this work, lactide was synthesized from alkyl lactate via a prepolymer route, and the reaction kinetics was compared with lactide synthesis from lactic acid. A number of different parameters were investigated in order to obtain the highest possible yield of lactide, as well as to achieve l-isomer selectivity. Among the various acid catalysts tested, Sn(Oct)2 was found to be the most effective for L-lactide selectivity as well as for producing a high oligomer yield from the alkyl lactate. The effect of the alkyl group length of the starting materials was investigated with the highest lactide yield being obtained from ethyl lactate, over methyl and butyl lactate. The deoligomerization reaction was also studied in detail. It was found that an oli...
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MLA
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ГОСТ
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Upare P. P. et al. Synthesis of Lactide from Alkyl Lactate via a Prepolymer Route // Industrial & Engineering Chemistry Research. 2012. Vol. 51. No. 13. pp. 4837-4842.
ГОСТ со всеми авторами (до 50)
Скопировать
Upare P. P., Hwang Y. S., Chang J., Hwang D. W. Synthesis of Lactide from Alkyl Lactate via a Prepolymer Route // Industrial & Engineering Chemistry Research. 2012. Vol. 51. No. 13. pp. 4837-4842.
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RIS
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TY - JOUR
DO - 10.1021/ie202714n
UR - https://doi.org/10.1021/ie202714n
TI - Synthesis of Lactide from Alkyl Lactate via a Prepolymer Route
T2 - Industrial & Engineering Chemistry Research
AU - Upare, Pravin P
AU - Hwang, Young Sil
AU - Chang, Jong-San
AU - Hwang, Dong Won
PY - 2012
DA - 2012/03/20
PB - American Chemical Society (ACS)
SP - 4837-4842
IS - 13
VL - 51
SN - 0888-5885
SN - 1520-5045
ER -
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BibTex (до 50 авторов)
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@article{2012_Upare,
author = {Pravin P Upare and Young Sil Hwang and Jong-San Chang and Dong Won Hwang},
title = {Synthesis of Lactide from Alkyl Lactate via a Prepolymer Route},
journal = {Industrial & Engineering Chemistry Research},
year = {2012},
volume = {51},
publisher = {American Chemical Society (ACS)},
month = {mar},
url = {https://doi.org/10.1021/ie202714n},
number = {13},
pages = {4837--4842},
doi = {10.1021/ie202714n}
}
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MLA
Скопировать
Upare, Pravin P., et al. “Synthesis of Lactide from Alkyl Lactate via a Prepolymer Route.” Industrial & Engineering Chemistry Research, vol. 51, no. 13, Mar. 2012, pp. 4837-4842. https://doi.org/10.1021/ie202714n.