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Synthesis and evaluation of biodegradable block copolymers of ε-caprolactone and DL-lactide

✍ Scribed by X. D. Feng (S. T. Voong); C. X. Song; W. Y. Chen

Publisher
Wiley (John Wiley & Sons)
Year
1983
Tongue
English
Weight
261 KB
Volume
21
Category
Article
ISSN
0887-6258

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## Abstract Biodegradable copolymers were prepared by ring‐opening polymerization of sequentially added __ε__‐caprolactone and DL‐lactide in the presence of ethylene glycol or poly(ethylene glycol), using zinc metal as catalyst. Polymerization was performed in bulk and yielded block copolymers with