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Kinetics and mechanism of cyclic esters polymerization initiated with tin(II) octoate, 1. Polymerization of ε-caprolactone

✍ Scribed by Adam Kowalski; Andrzej Duda; Stanislaw Penczek

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
658 KB
Volume
19
Category
Article
ISSN
1022-1336

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Minimization of residual tin in the cont
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## Abstract By using less catalyst in the ring‐opening polymerization of ε‐caprolactone, a residual tin content of 5 ppm was reached without the need for additional purification. The initial amount of tin (II) 2‐ethylhexanoate [Sn(Oct)~2~] was varied using catalyst:monomer ratios of 1:1000, 1:10,00

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## Abstract **Summary:** The isolation and structural characterization of a methylaluminium(bisphenoxide)‐__ε__‐caprolactone complex is reported. While the three‐coordinate methylaluminium complex was found not to catalyze the polymerization of __ε__‐caprolactone, its oxygenation led to the formati