Group-transfer polymerization of methyl methacrylate in acetonitrile. 2. Initiation by trimethylsilyl cyanide.
Results of group-transfer polymn. of Me methacrylate in MeCN with Et4N+CN- and tris(dimethylamino)sulfonium difluorotrimethylsilicate (I) as catalysts and Me3SiCN as initiator were presented. Both catalysts behaved similarly with respect to catalysis of the initiation and the propagation step and of the termination of the growing chains with the solvent, I being more active than Et4N+CN-.
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