引用本文:
Zhi Yong Wei, Lian Liu, Jun Gao, Pei Wang, Min Qi. The copolymerization of L-lactide and ε-caprolactone using magnesium octoate as a catalyst[J]. Chinese Chemical Letters,
2008, 19(3): 363-366.
doi:
10.1016/j.cclet.2008.01.004
Citation: Zhi Yong Wei, Lian Liu, Jun Gao, Pei Wang, Min Qi. The copolymerization of L-lactide and ε-caprolactone using magnesium octoate as a catalyst[J]. Chinese Chemical Letters, 2008, 19(3): 363-366. doi: 10.1016/j.cclet.2008.01.004
Citation: Zhi Yong Wei, Lian Liu, Jun Gao, Pei Wang, Min Qi. The copolymerization of L-lactide and ε-caprolactone using magnesium octoate as a catalyst[J]. Chinese Chemical Letters, 2008, 19(3): 363-366. doi: 10.1016/j.cclet.2008.01.004
The copolymerization of L-lactide and ε-caprolactone using magnesium octoate as a catalyst
摘要:
Copolymerizations of L-lactide (L-LA) and e-caprolactone (ε-CL) were conducted in bulk using magnesium octoate as a catalyst. The reactivity ratios of L-LA and ε-CL were determined to be rL=23 and rC=0.22, respectively. The sequence analyses of the copolymers were performed on 13C NMR. An increase in the reaction temperature enhances the role of transesterification and the extent of randomness.
English
The copolymerization of L-lactide and ε-caprolactone using magnesium octoate as a catalyst
Abstract:
Copolymerizations of L-lactide (L-LA) and e-caprolactone (ε-CL) were conducted in bulk using magnesium octoate as a catalyst. The reactivity ratios of L-LA and ε-CL were determined to be rL=23 and rC=0.22, respectively. The sequence analyses of the copolymers were performed on 13C NMR. An increase in the reaction temperature enhances the role of transesterification and the extent of randomness.
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Key words:
- Copolymerization
- / L-Lactide
- / ε-Caprolactone
- / Reactivity ratio
- / Magnesium octoate
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