## Abstract **Summary:** Star‐shaped hydroxy‐terminated poly(__ε__‐caprolactone)s (__ss__PCL), with arms of different lengths, were obtained by ring‐opening polymerization (ROP) of __ε__‐caprolactone initiated by pentaerythritol, and were condensed with __α__‐methyl‐__ω__‐(3‐carboxypropionyloxy)‐po
Synthesis and characterization of calixarene-based poly(ε-caprolactone) stars catalyzed by yttrium complex
✍ Scribed by Pengfei Gou; Weipu Zhu; Zhiquan Shen
- Book ID
- 107373646
- Publisher
- Higher Education Press and Springer
- Year
- 2008
- Tongue
- English
- Weight
- 330 KB
- Volume
- 3
- Category
- Article
- ISSN
- 1673-3495
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## Abstract Brush copolymers composed of methoxy poly(ethylene glycol) (MPEG) and poly(ε‐caprolactone) (PCL) have been synthesized by the ring‐opening polymerization of ε‐caprolactone initiated by hydroxyl function of thermally esterified MPEG‐citrate in presence of stannous octoate. Citric acid (C
## Abstract The synthesis of an amphiphilic triarm star copolymer based on polystyrene, poly(ethylene oxide) and poly(ε‐caprolactone) block has been achieved by a novel strategy which consists in the preparation of a diblock copolymer, polystyrene‐__block__‐poly(ethylene oxide), having a protected