Polymerization of methyl methacrylate initiated by a photosensitive complex of tetrahydrofuran-maleic anhydride in paraffin mixture
✍ Scribed by Berger, J. ;Lazár, M.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2007
- Weight
- 505 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0449-2994
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## Abstract A divalent samarium complex that bears two bulky phenoxide ligands promotes the living polymerization of methyl methacrylate in the absence of cocatalyst. The initiation involves a tail‐to‐tail coupling reaction of the samarium‐enolate radical followed by a one‐electron reduction of the
The triphenylphosphine (TPP) initiated polymerization of methyl methacrylate (MMA) in dimethyl sulphoxide (DMSO) has been studied. The polymerization was found to be solvent-sensitive and could be accelerated by Lewis acids like Fe 3÷ . Kinetic studies showed that the propagation was free radical in