Anionic polymerization of olefin oxides. Polymerization kinetics of propylene oxide in a monomer medium
β Scribed by G.A. Gladkovskii; L.P. Golovina; V.S. Shtykh
- Book ID
- 118359856
- Publisher
- Elsevier Science
- Year
- 1972
- Weight
- 426 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0032-3950
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π SIMILAR VOLUMES
The kinetics of propagation in the polymerization of propylene oxide proceeding by the activated monomer (AM) mechanism is studied. Propagation in this system involves addition of a protonated monomer molecule to the terminal hydroxyl group of the growing oligomer. A kinetic analysis of the reaction
Al~tract--The rate of anionic polymerization of bulk propylene oxide catalysed by potassium alkoxide in the presence of 18-crown-6 ether was followed dilatometrically. Rate constants were obtained at 40, 50 and 60 Β° over a range of crown ether concentrations, so allowing calculation of activation en