Preparation of Polylactide/Poly(ether)urethane Blends with Excellent Electro-actuated Shape Memory via Incorporating Carbon Black and Carbon Nanotubes Hybrids Fillers

Yuan Wei; Rui Huang; Peng Dong; Xiao-Dong Qi; Qiang Fu

doi:10.1007/s10118-018-2138-3

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Preparation of Polylactide/Poly(ether)urethane Blends with Excellent Electro-actuated Shape Memory via Incorporating Carbon Black and Carbon Nanotubes Hybrids Fillers

ARTICLE | Updated：2021-02-18

- Preparation of Polylactide/Poly(ether)urethane Blends with Excellent Electro-actuated Shape Memory via Incorporating Carbon Black and Carbon Nanotubes Hybrids Fillers
- Chinese Journal of Polymer Science Vol. 36, Issue 10, Pages: 1175-1186(2018)
- Affiliations：
  
  College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
- Author bio：
  
  qxdjianhu@163.com (X.D.Q.)
  qiangfu@scu.edu.cn (Q.F.)
- Funds：
- DOI：10.1007/s10118-018-2138-3
  CLC：
- Received：27 December 2017，
  
  Revised：2018-3-6，
  
  Accepted：30 March 2018，
  
  Online First：28 April 2018，
  
  Published：2018-10
- Accepted：
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Citation: Wei, Y.; Huang, R.; Dong, P.; Qi, X. D.; Fu, Q. Preparation of Polylactide/Poly(ether)urethane Blends with Excellent Electro-actuated Shape Memory via Incorporating Carbon Black and Carbon Nanotubes Hybrids Fillers. Chinese J. Polym. Sci. 2018, 36(10), 1175–1186.

Yuan Wei, Rui Huang, Peng Dong, et al. Preparation of Polylactide/Poly(ether)urethane Blends with Excellent Electro-actuated Shape Memory via Incorporating Carbon Black and Carbon Nanotubes Hybrids Fillers[J]. Chinese Journal of Polymer Science, 2018, 36(10): 1175-1186.
Citation: Wei, Y.; Huang, R.; Dong, P.; Qi, X. D.; Fu, Q. Preparation of Polylactide/Poly(ether)urethane Blends with Excellent Electro-actuated Shape Memory via Incorporating Carbon Black and Carbon Nanotubes Hybrids Fillers. Chinese J. Polym. Sci. 2018, 36(10), 1175–1186. DOI： 10.1007/s10118-018-2138-3.

Yuan Wei, Rui Huang, Peng Dong, et al. Preparation of Polylactide/Poly(ether)urethane Blends with Excellent Electro-actuated Shape Memory via Incorporating Carbon Black and Carbon Nanotubes Hybrids Fillers[J]. Chinese Journal of Polymer Science, 2018, 36(10): 1175-1186. DOI： 10.1007/s10118-018-2138-3.

摘要

Abstract

In this work

hybrid conductive fillers of carbon black (CB) and carbon nanotubes (CNTs) were introduced into polylactide (PLA)/thermoplastic poly(ether)urethane (TPU) blend (70/30 by weight) to tune the phase morphology and realize rapid electrically actuated shape memory effect (SME). Particularly

the dispersion of conductive fillers

the phase morphology

the electrical conductivities and the shape memory properties of the composites containing CB or CB/CNTs were comparatively investigated. The results suggested that both CB and CNTs were selectively localized in TPU phase

and induced the morphological change from the sea-island structure to the co-continuous structure. The presence of CNTs resulted in a denser CB/CNTs network

which enhanced the continuity of TPU phase. Because the formed continuous TPU phase provided stronger recovery driving force

the PLA/TPU/CB/CNTs composites showed better shape recovery properties compared with the PLA/TPU/CB composites at the same CB content. Moreover

the CB and CNTs exerted a synergistic effect on enhancing the electrical conductivities of the composites. As a result

the prepared composites exhibited excellent electrically actuated SME and the shape recovery speed was also greatly enhanced. This work demonstrated a promising strategy to achieve rapid electrically actuated SME

via

the addition of hybrid nanoparticles with self-networking ability in binary PLA/TPU blends over a much larger composition range.

关键词

Keywords

references

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