Polymerization of bicyclic ethers |
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| Authors: | Maurizio Paci Shi Yun Yu Fulvio Andruzzi |
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| Affiliation: | (1) Istituto di Chimica Fisica, Università di Roma, Roma, Italia;(2) Centro di Macromolecole del CNR, c/o Istituto di Chimica Industriale e Applicata, Università di Pisa, Pisa, Italia;(3) Present address: Dept of Biophysics, China University of Science and Technology, Hofei, China |
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| Abstract: | Summary Structure of copolymers obtained by ring opening cationic polymerization from 7-oxabicyclo[ 2.2.1] heptane and ethylene oxide has been recently reported. This study about the spin lattice relaxation times and Nuclear Overhauser enhancement factor in the carbon-13 NMR spectra was performed and the results interpreted in terms of different internal mobility of the units in the copolymer chain.Previous papers in this series are: G. CECCARELLI, F.ANDRUZZI, Makromol. Chem. 180, 1371(1979); F.ANDRUZZI, G.CECCARELLI, M.PACI Polymer 21, 1180(1980); and ref (M.PACI et al. 1981). |
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