The nature of active centres during the initiation of anionic polymerization of oligoesteracrylates
β Scribed by T.E. Lipatova; G.S. Shapoval; N.P. Bazilevskaya; Ye.S. Shevchuk
- Book ID
- 118358695
- Publisher
- Elsevier Science
- Year
- 1969
- Weight
- 612 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0032-3950
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The nature of the propagation sites in the anionic polymerization of methoxypolyethyleneglycol methacrylates in the presence of Li counterion has been studied through i.r. spectra of the model compounds, Li derivatives of isobutyric acid esters, (CH3)2CLiCOO(CH2CH20),CH 3 with n from 1 to 4, and of
The active centres in the initial stage of methacrylonitrile anionic polymerization have been studied by means of electronic and i.r.-spectra as well as by use of model compounds. The attachment (-) \* The ratio E,'/..,= E.c ILin cm) ~as used since the solutions had diltL'rcnl concenlralion~, and Ih
## Abstract The initiation mechanism of the anionic polymerization of Ο΅βcaprolactone (Ο΅βCL) under the action of the potassium graphitide KC~24~ was studied by ^1^HβNMR spectroscopy of low molecular weight products of the polymerization. On the basis of the experimental results, the assumption was m