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Oxirane species, when heated with Al(acac)3 and diphenylmethyl silanol, will undergo a polymerization reaction. This reaction has been characterized by 13C, 29Si and 27Al NMR spectroscopy using selected epoxides as model compounds. We found that an aluminum-catalyzed silanol disproportionation reaction occurs, and forms polysiloxanes. A reaction mechanism has been developed, and experimental aspects for the formation of desired polymer species are discussed.
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Gaul et al. (1983) studied this question.
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