Research Article
The Influence of Crown Ether and Alcohol on Unsaturation and Molar Mass of Poly(propylene oxide)s Prepared by Use of Potassium t-Butoxide: Reinvestigation of Chain Transfer Reactions
Figure 1
Unsaturated region in 13C NMR spectra of polymers: (a) sample 1; (b) sample 2; and (c) sample 9.
(a) |
(b) |
(c) |