Synthesis of High Performance Cyclic Olefin Polymers Using Highly Efficient WCl<sub>6</sub>-based Catalyst System

Yi-Ran Zhang; Ji-Xing Yang; Li Pan; Yue-Sheng Li

doi:10.1007/s10118-018-2055-5

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Synthesis of High Performance Cyclic Olefin Polymers Using Highly Efficient WCl₆-based Catalyst System

Articles | Updated：2021-02-18

- Synthesis of High Performance Cyclic Olefin Polymers Using Highly Efficient WCl₆-based Catalyst System
- Chinese Journal of Polymer Science Vol. 36, Issue 2, Pages: 214-221(2018)
- Affiliations：
  
  a.Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
  b.Collaborative Innovation Center of Chemical Science and Engineering(Tianjin), Tianjin 300072, China
- Author bio：
  
  Li Pan, E-mail lilypan@tju.edu.cn
- Funds：
- DOI：10.1007/s10118-018-2055-5
  CLC：
- Received：15 September 2017，
  
  Accepted：02 October 2017，
  
  Online First：21 November 2017，
  
  Published：05 February 2018
- Accepted：
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Yi-Ran Zhang, Ji-Xing Yang, Li Pan, et al. Synthesis of High Performance Cyclic Olefin Polymers Using Highly Efficient WCl₆-based Catalyst System[J]. Chinese Journal of Polymer Science, 2018, 36(2): 214-221. DOI: 10.1007/s10118-018-2055-5.
DOI：

Yi-Ran Zhang, Ji-Xing Yang, Li Pan, et al. Synthesis of High Performance Cyclic Olefin Polymers Using Highly Efficient WCl₆-based Catalyst System[J]. Chinese Journal of Polymer Science, 2018, 36(2): 214-221. DOI: 10.1007/s10118-018-2055-5. DOI：

摘要

Abstract

Cyclic olefin polymers (COPs) with high glass transition temperature

high transparency (higher than 80%) in the visible light range

excellent thermal stability and outstanding mechanical properties have been synthesized by effective ring opening metathesis polymerization (ROMP) of

exo

-1

10-hexahydr

-9

10(1'

2')-benzen

-l

4-methanoanthracene (HBM) and dicyclopentadiene (DCPD) or norbornene (NBE) using WCl

/i-Bu

Al/ethanol/1-hexene catalyst system

followed by hydrogenation of double bonds. 1-Hexene acted as a molecular weight controller in the polymerization reaction

tuning the number-average molecular weight (

) of P-HBM from 5.8×10

to 41.1×10

. The monomer composition and thermal properties of the copolymers were characterized by nuclear magnetic resonance (NMR)

differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). The saturated polymers exhibited high decomposition temperatures (

) around 340℃ and glass transition temperatures (

) in the range from 117.5℃ to 219.7℃. What is more

tensile tests indicated that the mechanical properties of the COPs could be effectively tuned in a wide range by introducing varying amount of small cyclic olefin such as DCPD or NBE.

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Keywords

references

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Synthesis of High Performance Cyclic Olefin Polymers Using Highly Efficient WCl6-based Catalyst System

DOI：10.1007/s10118-018-2055-5

摘要

Abstract

关键词

Keywords

references

Synthesis of High Performance Cyclic Olefin Polymers Using Highly Efficient WCl₆-based Catalyst System