✦ LIBER ✦

Electron spin resonance studies of spin-labelled synthetic polymers part 12. The polymerisation of methyl methacrylate initiated by butyl lithium

✍ Scribed by A.T. Bullock; G.G. Cameron; J.M. Elsom

Publisher: Elsevier Science
Year: 1977
Tongue: English
Weight: 422 KB
Volume: 13
Category: Article
ISSN: 0014-3057
DOI: 10.1016/0014-3057(77)90017-9

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✦ Synopsis

It is shown that poly(methyl methacrylate), polymerised at 0 ° or above by butyl lithium in THF or toluene, contains a number of n-butyl isopropenyl ketone units. The ct-methylenic protons on the n-butyl group of these units can be abstracted by the propagating or other reactive carbanion to yield the carbanionic species I CH 3--C~-CO~H(CH2)ECH 3 .