Synthesis and Characterization of Trans-1,4-butadiene/Isoprene Copolymers: Determination of Sequence Distribution and Thermal Properties

Xiu-bo Jiang; Qing-fei Zhang; Ai-hua He

doi:10.1007/s10118-015-1626-y

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Synthesis and Characterization of Trans-1,4-butadiene/Isoprene Copolymers: Determination of Sequence Distribution and Thermal Properties

PAPER | Updated：2021-06-21

- Synthesis and Characterization of Trans-1,4-butadiene/Isoprene Copolymers: Determination of Sequence Distribution and Thermal Properties
- Synthesis and Characterization of Trans-1,4-butadiene/Isoprene Copolymers: Determination of Sequence Distribution and Thermal Properties
- Chinese Journal of Polymer Science 2015年33卷第6期页码：815-822
- Affiliations：
  
  1.Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
- Author bio：
  
  **Ai-hua He (贺爱华), E-mail: aihuahe@iccas.ac.cn
- Funds：
  
  National Basic Research Program of China(2015CB654700;2015CB654706);Shandong Province Natural Science Fund for Distinguished Young Scholars(JQ201213);National Natural Science Foundation of China(51473083)
- DOI：10.1007/s10118-015-1626-y
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Xiu-bo Jiang, Qing-fei Zhang, Ai-hua He. Synthesis and Characterization of Trans-1,4-butadiene/Isoprene Copolymers: Determination of Sequence Distribution and Thermal Properties[J]. Chinese Journal of Polymer Science, 2015,33(6):815-822.

Xiu-bo Jiang, Qing-fei Zhang, Ai-hua He. Synthesis and Characterization of Trans-1,4-butadiene/Isoprene Copolymers: Determination of Sequence Distribution and Thermal Properties[J]. Chinese Journal of Polymer Science, 2015,33(6):815-822.
Xiu-bo Jiang, Qing-fei Zhang, Ai-hua He. Synthesis and Characterization of Trans-1,4-butadiene/Isoprene Copolymers: Determination of Sequence Distribution and Thermal Properties[J]. Chinese Journal of Polymer Science, 2015,33(6):815-822. DOI： 10.1007/s10118-015-1626-y.

Xiu-bo Jiang, Qing-fei Zhang, Ai-hua He. Synthesis and Characterization of Trans-1,4-butadiene/Isoprene Copolymers: Determination of Sequence Distribution and Thermal Properties[J]. Chinese Journal of Polymer Science, 2015,33(6):815-822. DOI： 10.1007/s10118-015-1626-y.

摘要

Abstract

Two series of ,trans,-1,4-poly(butadiene-co-isoprene) copolymers (TBIR) were prepared using the catalyst system TiCl,4,/MgCl,2,-Al(,i,-Bu),3, at different reaction temperatures. All dyad and triads sequence distributions, the number-average sequence length and the sequence concentration of the copolymers were calculated according to ,13,C-NMR spectra. The influences of temperature and initial molar ratio of butadiene to isoprene (Bd to Ip) on the distribution of the chain segments in the TBIR copolymers were discussed. The correlation of copolymer compositions and thermal properties were also evaluated, which facilitated the understanding of controlling the degree of crystallinity and the transition temperature by changing Bd content and temperature.

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Keywords

Trans-14-IsopreneButadieneCopolymerThermal properties

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