STUDY ON SEQUENCE DISTRIBUTION OF 3, 4-POLYISOPRENE BY13C-NMR

XIE Demin; SUN Qing

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STUDY ON SEQUENCE DISTRIBUTION OF 3, 4-POLYISOPRENE BY13C-NMR

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- STUDY ON SEQUENCE DISTRIBUTION OF 3, 4-POLYISOPRENE BY13C-NMR
- STUDY ON SEQUENCE DISTRIBUTION OF 3, 4-POLYISOPRENE BY13C-NMR
- 高分子科学（英文版） 1987年5卷第2期页码：114-119
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- 纸质出版：1987-06-20
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XIE Demin, SUN Qing. STUDY ON SEQUENCE DISTRIBUTION OF 3, 4-POLYISOPRENE BY13C-NMR[J]. 高分子科学（英文版）, 1987,5(2):114-119.

XIE Demin, SUN Qing. STUDY ON SEQUENCE DISTRIBUTION OF 3, 4-POLYISOPRENE BY13C-NMR[J]. 1987, 5(2): 114-119.
XIE Demin, SUN Qing. STUDY ON SEQUENCE DISTRIBUTION OF 3, 4-POLYISOPRENE BY13C-NMR[J]. 高分子科学（英文版）, 1987,5(2):114-119. DOI：

XIE Demin, SUN Qing. STUDY ON SEQUENCE DISTRIBUTION OF 3, 4-POLYISOPRENE BY13C-NMR[J]. 1987, 5(2): 114-119. DOI：

摘要

Isoprene can be plymerized with Fe(acac)3-phen-AlEt3 catalyst system into a polymer mainly containg 3

4-unit and capable of crystallizing to some extent. The13C-NMR spectra of 3

4-polyisoprene synthesized: with Fe-catalyst system were investigated

and the: sequence distribution of cis-1

trons-1

4 and 3

4-units and the amount of head-to-head and tail-to-tail linkages of 1

4 and 3

4-units were discussed. Results showed that the contents of cis-1

trons-1

4 and 3

4-unit calculated from different carbon types were satis factorily identical

indicating correct assignments of these peaks.

Abstract

Isoprene can be plymerized with Fe(acac)3-phen-AlEt3 catalyst system into a polymer mainly containg 3

4-unit and capable of crystallizing to some extent. The13C-NMR spectra of 3

4-polyisoprene synthesized: with Fe-catalyst system were investigated

and the: sequence distribution of cis-1

trons-1

4 and 3

4-units and the amount of head-to-head and tail-to-tail linkages of 1

4 and 3

4-units were discussed. Results showed that the contents of cis-1

trons-1

4 and 3

4-unit calculated from different carbon types were satis factorily identical

indicating correct assignments of these peaks.

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