A STUDY OF MICROSTRUCTURE AND DYNAMICS OF POLYPENTENYLENE POLYMER-CHAIN BY C-13 NMR-SPECTROSCOPY

Authors
EFIMOV VA BUDANOV NA SOLOVEV ME
Citation
Va. Efimov et al., A STUDY OF MICROSTRUCTURE AND DYNAMICS OF POLYPENTENYLENE POLYMER-CHAIN BY C-13 NMR-SPECTROSCOPY, Vysokomolekularnye soedinenia. Seria A, 40(4), 1998, pp. 663-666
Citations number
7
Categorie Soggetti
Polymer Sciences
Journal title
Vysokomolekularnye soedinenia. Seria A → ACNP
ISSN journal
05075475
Volume
40
Issue
4
Year of publication
1998
Pages
663 - 666
Database
ISI
SICI code
0507-5475(1998)40:4<663:ASOMAD>2.0.ZU;2-H
Abstract
Microstructure and spin-lattice relaxation times of polypentenylenes w ith different amounts of cis-units were studied by C-13 NMR spectrosco py. It was found that the mobility of carbon nuclei depends on their p osition in the structural unit and the total amount of cis-units in th e polymer chain. The mobility of alpha-methylene carbon atoms of polyp entenylene is higher than that of the analogous groups of polybutadien e. alpha-CH2 groups in cis-configuration show higher mobility than the ir trans-analogs.