Block Copolymer Networks Composed of Poly(<italic style="font-style: italic">ε</italic>-caprolactone) and Polyethylene with Triple Shape Memory Properties

Honggang Mei; Bingjie Zhao; Yuan Gao; Lei Li; Liyue Liu; Sixun Zheng

doi:10.1007/s10118-022-2652-1

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Block Copolymer Networks Composed of Poly(ε-caprolactone) and Polyethylene with Triple Shape Memory Properties

Papers | Updated：2022-01-01

- Block Copolymer Networks Composed of Poly(ε-caprolactone) and Polyethylene with Triple Shape Memory Properties
- Chinese Journal of Polymer Science Vol. 40, Issue 2, Pages: 185-196(2022)
- Affiliations：
  
  College of Chemistry and Chemical Engineering and the State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
- Author bio：
  
  szheng@sjtu.edu.cn
- Funds：
  
  The authors would like to express their thanks to the National Natural Science Foundation of China for the financial supports of this work (Nos. 51973113, 51133003 and 21774078).
- DOI：10.1007/s10118-022-2652-1
  CLC：
- Received：28 July 2021，
  
  Revised：2021-9-25，
  
  Accepted：07 October 2021，
  
  Online First：01 January 2022，
  
  Published：01 February 2022
- Accepted：
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Mei, H.; Zhao, B.; Gao, Y.; Li, L.; Liu, L.; Zheng, S. Block copolymer networks composed of poly(ε-caprolactone) and polyethylene with triple shape memory properties. Chinese J. Polym. Sci. 2022, 40, 185–196

Honggang Mei, Bingjie Zhao, Yuan Gao, et al. Block Copolymer Networks Composed of Poly(ε-caprolactone) and Polyethylene with Triple Shape Memory Properties[J]. Chinese Journal of Polymer Science, 2022, 40(2): 185-196. DOI: 10.1007/s10118-022-2652-1.
Mei, H.; Zhao, B.; Gao, Y.; Li, L.; Liu, L.; Zheng, S. Block copolymer networks composed of poly(ε-caprolactone) and polyethylene with triple shape memory properties. Chinese J. Polym. Sci. 2022, 40, 185–196 DOI： 10.1007/s10118-022-2652-1.

Honggang Mei, Bingjie Zhao, Yuan Gao, et al. Block Copolymer Networks Composed of Poly(ε-caprolactone) and Polyethylene with Triple Shape Memory Properties[J]. Chinese Journal of Polymer Science, 2022, 40(2): 185-196. DOI: 10.1007/s10118-022-2652-1. DOI：

摘要

Abstract

In this contribution

we reported a novel synthesis of block copolymer networks composed of poly(

-caprolactone) (PCL) and polyethylene (PE)

via

the co-hydrolysis and condensation of

-ditriethoxylsilane-terminated PCL and PE telechelics. First

-dihydroxyl-terminated PCL and PE telechelics were synthesized

via

the ring-opening polymerization of

-caprolactone and the ring-opening metathesis polymerization of cyclooctene followed by hydrogenation of polycyclooctene. Both

-ditriethoxylsilane-terminated PCL and PE telechelics were obtained

via in situ

reaction of

-dihydroxyl-terminated PCL and PE telechelics with 3-isocyanatopropyltriethoxysilane. The formation of networks was evidenced by the solubility and rheological tests. It was found that the block copolymer networks were microphase-separated. The PCL and PE blocks still preserved the crystallinity. Owing to the formation of crosslinked networks

the materials displayed shape memory properties. More importantly

the combination of PCL with PE resulted that the block copolymer networks had the triple shape memory properties

which can be triggered with the melting and crystallization of PCL and PE blocks. The results reported in this work demonstrated that triple shape memory polymers could be prepared

via

the formation of block copolymer networks.

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Keywords

references

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⁰

Block Copolymer Networks Composed of Poly(ε-caprolactone) and Polyethylene with Triple Shape Memory Properties

DOI：10.1007/s10118-022-2652-1

摘要

Abstract

关键词

Keywords

references