Linear mechanisms of chain limitation in radical polymerization in heterogeneous systems

Mechanisms of chain termination have been investigated in two typical heterogeneous systems: on the one hand in the polymerization of monomers adsorbed by an aerosil surface, and on the other hand adsorbed in the polymer matrices. This particular study centres on the phenomenon of “immobilization” o...

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Bibliographic Details
Published in:Polymer science USSR 1991, Vol.33 (7), p.1347-1356
Main Authors: Pavlov, S.A., Bruk, M.A., Teleshov, E.N.
Format: Article
Language:English
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Summary:Mechanisms of chain termination have been investigated in two typical heterogeneous systems: on the one hand in the polymerization of monomers adsorbed by an aerosil surface, and on the other hand adsorbed in the polymer matrices. This particular study centres on the phenomenon of “immobilization” of active centres in methyl methacrylate polymerization processes. A number of physical phenomena having a possible role to play in the studied effects are discussed. Experimental data on some properties of immobilized PMMA radicals (including molecular mobility, reactivity and others) are also discussed.
ISSN:0032-3950
1878-268X
DOI:10.1016/0032-3950(91)90319-L