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肉碱和辛酸亚锡引发的环酯聚合反应。

Polymerization of cyclic esters initiated by carnitine and tin (II) octoate.

作者信息

Sobczak Marcin, Kolodziejski Waclaw

机构信息

Department of Inorganic and Analytical Chemistry, Faculty of Pharmacy, Medical University of Warsaw, ul. Banacha 1, 02-097 Warsaw, Poland.

出版信息

Molecules. 2009 Feb 4;14(2):621-32. doi: 10.3390/molecules14020621.

DOI:10.3390/molecules14020621
PMID:19214152
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6253994/
Abstract

Low-molecular weight poly(epsilon-caprolactone), polylactides and copolymers of epsilon-caprolactone and lactides were obtained by the polymerization of cyclic esters in the presence of a carnitine/SnOct(2) system. Their structures were proven by means of MALDI-TOF, IR and NMR studies. Effects of temperature, reaction time and carnitine dosage on the polymerization process were examined.

摘要

通过在肉碱/SnOct(2)体系存在下使环状酯聚合，获得了低分子量聚（ε-己内酯）、聚丙交酯以及ε-己内酯与丙交酯的共聚物。通过基质辅助激光解吸电离飞行时间质谱（MALDI-TOF）、红外光谱（IR）和核磁共振（NMR）研究证实了它们的结构。考察了温度、反应时间和肉碱用量对聚合过程的影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/11a0/6253994/3beda30833bf/molecules-14-00621-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/11a0/6253994/91ffc8c6b29e/molecules-14-00621-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/11a0/6253994/36c5d82326ff/molecules-14-00621-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/11a0/6253994/b7b6166fbdb1/molecules-14-00621-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/11a0/6253994/3beda30833bf/molecules-14-00621-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/11a0/6253994/91ffc8c6b29e/molecules-14-00621-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/11a0/6253994/36c5d82326ff/molecules-14-00621-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/11a0/6253994/b7b6166fbdb1/molecules-14-00621-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/11a0/6253994/3beda30833bf/molecules-14-00621-g003.jpg

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Theoretical investigation on the mechanism and kinetics of the ring-opening polymerization of ε-caprolactone initiated by tin(II) alkoxides.锡(II)烷氧基引发的ε-己内酯开环聚合的机理和动力学的理论研究。
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