E-resources
Peer reviewed
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Sigaeva, N. N.; Friesen, A. K.; Nasibullin, I. I.; Ermolaev, N. L.; Kolesov, S. V.
Polymer science. Series B, 04/2012, Volume: 54, Issue: 3-4Journal Article
The initiation of radical polymerization of methyl methacrylate in the presence of benzoyl peroxide-metallocene (Cp 2 Fe, Cp 2 ZrCl 2 , and Cp 2 TiCl 2 ; (C 5 Me 5 ) 2 Fe, (C 5 Me 5 ) 2 ZrC l2 , and (AcC 5 H 4 )(C 5 H 5 )Fe) systems is studied. It is shown that a metallocene affects the rate of initiation and the initial rate of polymerization. On the basis of quantum-chemical calculations, a new mechanism of the initiation reaction may be advanced: Namely, the decomposition of benzoyl peroxide proceeds via the stage of complexation with a metallocene, while the nature of a metallocene determines the probability of complexation and decomposition.
