## Abstract The ring‐opening polymerization (ROP) of __ε__‐caprolactone (__ε__‐CL) using lanthanide thiolate complexes [(CH~3~C~5~H~4~)~2~Sm(μ‐SPh)(THF)] ~2~ (1) and Sm(SPh)~3~(HMPA)~3~ (2) as initiators has been investigated for the first time. Both of 1 and 2 were found to be highly efficient ini
A novel initiating system for ring-opening polymerization of ε-caprolactone: Synthesis of triarm star-shaped poly(ε-caprolactone)
✍ Scribed by Weipu Zhu; Xiaowei Tong; Weihui Xie; Zhiquan Shen
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 537 KB
- Volume
- 118
- Category
- Article
- ISSN
- 0021-8995
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Poly(-caprolactone) (PCL) macromonomers capped by a polymerizable norbornene end-group have been synthesized and (co)polymerized by ring-opening metathesis with formation of graft copolymers and polymacromonomers. ␣-Norbornenyl PCL macromonomers have been synthesized by ring opening polymerization (
## Abstract **Summary:** The synthesis of star shaped poly(__ε__‐caprolactone) (PCL) with a fullerene molecular core (__s__‐PCLF) was successfully achieved by the ring‐opening polymerization of __ε__‐caprolactone with fullerenol as the initiator. Through NMR and GPC analysis, the average number of
## Abstract Summary: The synthesis of core‐shell particles with a poly(__ε__‐caprolactone) (PCL) shell and magnetite (Fe~3~O~4~) contents of between 10 wt.‐% and 41 wt.‐% proceeds by surface‐initiated ring‐opening polymerization of __ε__‐caprolactone to give surface‐immobilized oligomers with $\ove
A germyl-bridged lanthanocene chloride, Me 2 Ge( t Bu-C 5 H 3 ) 2 LnCl (Ln ¼ Nd; (Cat-Nd), was prepared and successfully used as single catalyst to initiate the ringopening polymerization of e-caprolactone (e-CL) for the first time. Under mild conditions (60 C,[e-CL]/[Ln] ¼ 200, 4 h), Cat-Nd efficie