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Ring-Opening Polymerization of d , l -Lactide Using Rare-Earth μ-Oxo Isopropoxides as Initiator Systems

✍ Scribed by Simic, Vesna; Spassky, Nicolas; Hubert-Pfalzgraf, Liliane G.


Book ID
126880361
Publisher
American Chemical Society
Year
1997
Tongue
English
Weight
87 KB
Volume
30
Category
Article
ISSN
0024-9297

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Polymerization of lactides and lactones.
✍ X. M. Deng; M. L. Yuan; C. D. Xiong; X. H. Li 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 144 KB 👁 1 views

Ring-opening polymerization of lactone and lactide have been initiated with rare earth organoacid compounds, such as lanthanum acetate in bulk. The polymerization mechanism is in agreement with the "nonionic-coordination-insertion" mechanism, which involves the selective cleavage of the acyl-oxygen