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Direct Cyclodextrin-Mediated Ring Opening Polymerization of ϵ-Caprolactone in the Presence of Yttrium Trisphenolate Catalyst

✍ Scribed by Xin Li; Yinghong Zhu; Jun Ling; Zhiquan Shen

Book ID
112141938
Publisher
John Wiley and Sons
Year
2012
Tongue
English
Weight
563 KB
Volume
33
Category
Article
ISSN
1022-1336

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## Abstract The ring‐opening polymerization of ε‐caprolactone (ε‐CL) has been investigated in the presence of succinic acid in nitrogen atmosphere at 225°C. Analysis of the resultant polymers suggests that the poly(ε‐caprolactone) (PCL) obtained has two terminal carboxylic groups. VPO, ^1^H NMR and

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