Suppressing Cyclic Polymerization for Isoselective Synthesis of High-Molecular-Weight Linear Polylactide Catalyzed by Sodium/Potassium Sulfonamidate Complexes
Тип публикации: Journal Article
Дата публикации: 2016-12-20
SCImago Q1
Tоп 10% SCImago
WOS Q1
БС1
SJR: 1.257
CiteScore: 8.8
Impact factor: 5.7
ISSN: 00249297, 15205835
Materials Chemistry
Organic Chemistry
Inorganic Chemistry
Polymers and Plastics
Краткое описание
A new sodium/potassium crown ether complex system with a series of bichelating sulfonamides as ligands was developed for the ring-opening polymerization (ROP) of rac-lactide. In this system, the side reaction of cyclic polymerization can be suppressed very well because of very different ROP rates initiated by BnOH and sulfonamide anion. The synthesis of high molecular weight linear polylactide with molecular weight high up to 107 kg/mol was successful. The best isoselectivity also can reach to a high value of Pm = 0.84. The NMR analysis of the reaction mixture of rac-lactide and complex 3 together with kinetic studies suggests the mechanism of ROP in the absence of alcohol is a coordination–insertion mechanism. After addition of BnOH, the ROP rate can increase remarkably due to the cooperation interaction of alcohol and complex 3.
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ГОСТ
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Chen C. et al. Suppressing Cyclic Polymerization for Isoselective Synthesis of High-Molecular-Weight Linear Polylactide Catalyzed by Sodium/Potassium Sulfonamidate Complexes // Macromolecules. 2016. Vol. 50. No. 1. pp. 83-96.
ГОСТ со всеми авторами (до 50)
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Chen C., Cui Y., Mao X., Pan X., Wu J. Suppressing Cyclic Polymerization for Isoselective Synthesis of High-Molecular-Weight Linear Polylactide Catalyzed by Sodium/Potassium Sulfonamidate Complexes // Macromolecules. 2016. Vol. 50. No. 1. pp. 83-96.
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TY - JOUR
DO - 10.1021/acs.macromol.6b02271
UR - https://doi.org/10.1021/acs.macromol.6b02271
TI - Suppressing Cyclic Polymerization for Isoselective Synthesis of High-Molecular-Weight Linear Polylactide Catalyzed by Sodium/Potassium Sulfonamidate Complexes
T2 - Macromolecules
AU - Chen, Changjuan
AU - Cui, Yaqin
AU - Mao, Xiaoyang
AU - Pan, Xiaojun
AU - Wu, Jin-Cai
PY - 2016
DA - 2016/12/20
PB - American Chemical Society (ACS)
SP - 83-96
IS - 1
VL - 50
SN - 0024-9297
SN - 1520-5835
ER -
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BibTex (до 50 авторов)
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@article{2016_Chen,
author = {Changjuan Chen and Yaqin Cui and Xiaoyang Mao and Xiaojun Pan and Jin-Cai Wu},
title = {Suppressing Cyclic Polymerization for Isoselective Synthesis of High-Molecular-Weight Linear Polylactide Catalyzed by Sodium/Potassium Sulfonamidate Complexes},
journal = {Macromolecules},
year = {2016},
volume = {50},
publisher = {American Chemical Society (ACS)},
month = {dec},
url = {https://doi.org/10.1021/acs.macromol.6b02271},
number = {1},
pages = {83--96},
doi = {10.1021/acs.macromol.6b02271}
}
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MLA
Скопировать
Chen, Changjuan, et al. “Suppressing Cyclic Polymerization for Isoselective Synthesis of High-Molecular-Weight Linear Polylactide Catalyzed by Sodium/Potassium Sulfonamidate Complexes.” Macromolecules, vol. 50, no. 1, Dec. 2016, pp. 83-96. https://doi.org/10.1021/acs.macromol.6b02271.
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