13C-NMR STUDY ON THE EQUIBINARY (cis-1,4;1,2) POLYBUTADIENE POLYMERIZED WITH IRON CATALYST

ZHANG Zheyen; ZHOU Zinan; MA Huimin

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13C-NMR STUDY ON THE EQUIBINARY (cis-1,4;1,2) POLYBUTADIENE POLYMERIZED WITH IRON CATALYST

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- 13C-NMR STUDY ON THE EQUIBINARY (cis-1,4;1,2) POLYBUTADIENE POLYMERIZED WITH IRON CATALYST
- Vol. 1, Issue 1, Pages: 92-100(1983)
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- Published：20 July 1983
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ZHANG Zheyen, ZHOU Zinan, MA Huimin. 13C-NMR STUDY ON THE EQUIBINARY (cis-1,4;1,2) POLYBUTADIENE POLYMERIZED WITH IRON CATALYST[J]. 1983, 1(1): 92-100.
DOI：

ZHANG Zheyen, ZHOU Zinan, MA Huimin. 13C-NMR STUDY ON THE EQUIBINARY (cis-1,4;1,2) POLYBUTADIENE POLYMERIZED WITH IRON CATALYST[J]. 1983, 1(1): 92-100. DOI：

摘要

The (cis-1

4 and 1

2) polybutadiene polymerized with iron catalyst was investigated by 13C-NMR. Assignments have been made on the spectra for all peaks of the aliphatic and olefinic carbons using chemical shift corrective terms together with Furukawa parameters. The relative intensities of peaks were calculated from the Bernoulli distribution of cis-1

4 and 1

2 units.Quantification of cis-1

4 and 1

2 contents

sequence distribution

alternation pattern of cis-1

4 and 1

2 units

and the chain propagation mechanism were discussed as a result of the detailed study of the spectra.

Abstract

The (cis-1

4 and 1

2 units.Quantification of cis-1

4 and 1

2 contents

sequence distribution

alternation pattern of cis-1

4 and 1

2 units

and the chain propagation mechanism were discussed as a result of the detailed study of the spectra.

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