A NEW PEAK (T4) IN THE 13C-NMR SPECTRUM OF POLYBUTADIENE

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- A NEW PEAK (T4) IN THE 13C-NMR SPECTRUM OF POLYBUTADIENE
- Vol. 1, Issue 1, Pages: 80-82(1983)
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- Published：20 July 1983
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ZHOU Zinan, XIE Demin, ZHANG Jianguo, et al. A NEW PEAK (T4) IN THE 13C-NMR SPECTRUM OF POLYBUTADIENE[J]. 1983, 1(1): 80-82.
DOI：

ZHOU Zinan, XIE Demin, ZHANG Jianguo, et al. A NEW PEAK (T4) IN THE 13C-NMR SPECTRUM OF POLYBUTADIENE[J]. 1983, 1(1): 80-82. DOI：

A new peak at 39.0 ppm in the 13C-NMR spectrum of polybutadiene (PBD) was discovered. This peak is assigned to the fourth peak (T4) of trans-1

4-sequence marked with an asterisk as shown in Fig. 3 in the text.The occurrence of T4 carbon nuclei is strongly affected by their neighboring 1

2-units. So long as both contents of trans-1

4- and 1

2-units attain their proper amounts the peak (T4) with appear in the 13C-NMR spectrum of PBD.

A new peak at 39.0 ppm in the 13C-NMR spectrum of polybutadiene (PBD) was discovered. This peak is assigned to the fourth peak (T4) of trans-1

4-sequence marked with an asterisk as shown in Fig. 3 in the text.The occurrence of T4 carbon nuclei is strongly affected by their neighboring 1

2-units. So long as both contents of trans-1

4- and 1

2-units attain their proper amounts the peak (T4) with appear in the 13C-NMR spectrum of PBD.

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