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Citation: Zhang Qijin, Wang Bing, Luo Xiaolie, Wang Zhiyong. Synthesis and Characterization of Poly (ε-Caprolactone) with Two Terminated Carboxyl Groups[J]. Chinese Journal of Applied Chemistry, ;1994, 11(2): 57-61. shu

Synthesis and Characterization of Poly (ε-Caprolactone) with Two Terminated Carboxyl Groups

1.
1. Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026;
2.
2. Department of Chemical Physics, University of Science and Technology of China, Hefei

Received Date: 18 August 1993
Available Online: 15 December 1993

ε-Caprolactone was rapidly polymerizaed at 225℃ in the presence of succinic acid under nitrogen atmosphere.The results of polymer characterization through IR,¹H NMR and ¹³C NMR suggested that the acid has been incorporated into poly (ε-caprolactone) chain,giving two terminal carboxylic acid groups.The VPO,¹H NMR and the end group titration methods have been used to determine the molecular weight of the polymers.It is found that the molecular weights of the polymers increased with the increase of the ratio of ε-caprolactam to succinic acid and after 3 hours of reaction it reached a maximum value,M_n=3×10³.
- ε-caprolactone,
- ring-opening polymerization,
- sliccinic acid
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Synthesis and Characterization of Poly (ε-Caprolactone) with Two Terminated Carboxyl Groups

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com