The polymerization of cyclohexene oxide was investigated with a new catalyst system of Al(acac) 3 ‐ silanol compounds. Catalyst activity varied with the ratio of silanol/Al(acac) 3 and the structure of silanol compounds. Catalyst deactivation appeared to be caused by self‐condensation of silanol and the addition of silanol to the epoxy ring. Polymer structure was investigated by 13 C‐NMR spectroscopy and x‐ray diffraction. The mechanism of the polymerization appears to be cationic.
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Hayase et al. (1981) studied this question.
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