Covalent and ionic species in cationic polymerizations: Rates of exchange
β Scribed by Penczek, Stanislaw; Szymanski, Ryszard
- Book ID
- 120353052
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- English
- Weight
- 391 KB
- Volume
- 13-14
- Category
- Article
- ISSN
- 1022-1360
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π SIMILAR VOLUMES
Structure and reactivities in the cationic polymerization of the heterocyclic monomers is reviewed. Particularly the equilibria between major kinds of active species, including the kinetics of interconversions between the covalent species and the corresponding macroion-pairs are discussed. Reason fo
## Abstract The ionization of 1βchloroβ1βisobutoxyethane (IBVCI) in the presence of BCI~3~ in CD~2~Cl~2~ and CD~2~Cl~2~/CDCl~3~ mixtures at variable temperatures was studied by ^1^H NMR spectroscopy. The presence of only one NMR signal for the methine proton in the intermediate stage of ionization