A number of group IVB metallocene polyethers are formed from reaction between diols and group IVB metallocenes.  The reactions are rapidly carried out using the interfacial polycondensation system.  Percentage yield decreases as the length of the diol increases due to the increasing difficulty of the titanocene-containing moieties (both titanocene dichloride and growing end titanocene-containing units) locating and reacting with the PEG end group.   The products are moderate to high polymers again with chain length decreasing as the PEG chain length increases again possibly related to the increasing difficulty of the metallocene locating the PEG end group.<br/>

Synthesis of metallocene-containing polyethers

253rd National Meeting (2017)

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