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Propylene oxide polymerization using the diphenylzinc-acetone system in benzene at 60°C

✍ Scribed by Francisco López; Maria P. Calcagno; Jesús M. Contreras; Zulay Torrellas; Franco M. Rabagliati

Publisher
Springer
Year
1989
Tongue
English
Weight
248 KB
Volume
21
Category
Article
ISSN
0170-0839

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Propylene oxide (PO) was polymerized by some diphenylzinc ketone systems. Cocatalytic effects of nine ketones were examined. The systems are greatly influenced by the nature of the ketone and by the molar ratio of ketone to diphenylzinc. Methyl and cyclic ketones were the most effective as cocatalys

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✍ F.M. Rabagliati; C.A. Bradley 📂 Article 📅 1984 🏛 Elsevier Science 🌐 English ⚖ 204 KB

The diphenylzinc-water system was used as catalyst for ethylene oxide polymerization in benzene solution at 6ff ~. The system is greatly influenced by the molar ratio of water to diphenylzinc, H20/Ph2Zn, the maximum catalyst activity being found for a ratio of unity. Ph2Zn alone and molar ratios of