| 摘要 |
An enolate functionalized reaction intermediate, represented by the formula (I) shown in the specification, such as, N,N'-ethylenebis (3,5-di-tertbutylsalicylidene imine) enolate of ter-butyl-isobutyrate aluminum, is useful for the production of vinyl polymers, such as polymethylmethacrylate, from the corresponding vinyl polymers, e.g., methylmethacrylate, by a living polymerization reaction. A Lewis acid may be used in the polymerization.
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