Thermomechanical and Shape Memory Properties of SCF/SBS/LLDPE Composites

Yong-kun Wang; Wen-chao Tian; Guang-ming Zhu; Jian-qiang Xie

doi:10.1007/s10118-016-1838-9

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Thermomechanical and Shape Memory Properties of SCF/SBS/LLDPE Composites

PAPERS | Updated：2021-05-12

- Thermomechanical and Shape Memory Properties of SCF/SBS/LLDPE Composites
- Chinese Journal of Polymer Science Vol. 34, Issue 11, Pages: 1354-1362(2016)
- Affiliations：
  
  a.Key Laboratory of Ministry of Education for Electronic Equipment Structure Design, Xidian University, Xi'an 710071, China
  b.Department of Applied Chemistry, Northwestern Polytehnical University, Xi'an 710129, China
  c.Department of Polymer materials and Engineering, College of Material Science and Engineering, North China University of Science and Technology, Tangshan 063009, China
- Author bio：
  
  Yong-kun Wang(王永坤),E-mail:ykwang@xidian.edu.cn
- Funds：
- DOI：10.1007/s10118-016-1838-9
  CLC：
- Received：20 April 2016，
  
  Revised：2016-5-12，
  
  Accepted：19 May 2016，
  
  Published：2016-11
- Accepted：
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Yong-kun Wang, Wen-chao Tian, Guang-ming Zhu, et al. Thermomechanical and Shape Memory Properties of SCF/SBS/LLDPE Composites[J]. Chinese Journal of Polymer Science, 2016, 34(11): 1354-1362.
DOI：

Yong-kun Wang, Wen-chao Tian, Guang-ming Zhu, et al. Thermomechanical and Shape Memory Properties of SCF/SBS/LLDPE Composites[J]. Chinese Journal of Polymer Science, 2016, 34(11): 1354-1362. DOI： 10.1007/s10118-016-1838-9.

摘要

Abstract

A thermally triggered shape memory polymer composite was prepared by blending short carbon fiber (SCF) into a blend of poly(styrene-

-butadiene-

-styrene) triblock copolymer (SBS)/linear low density polyethylene (LLDPE) prior to curing. These composites have excellent processability compared with other thermosets. The dynamic mechanical analysis (DMA) and differential scanning calorimetry (DSC) were investigated to assess the thermomechanical properties of the SCF/SBS/LLDPE composite. Scanning electron microscope (SEM) imaging of the samples was performed to show the distribution of the SCF in the composite. The study specifically focused on the effect of SCF on the shape memory behavior of the SCF/SBS/LLDPE composite. The results indicated that the large amount of SCF significantly improved the mechanical property of the polymer composites while not damaging the shape memory performance. The SCF/SBS/LLDPE composites exhibited excellent shape memory behavior when the SCF content was less than 15.0 wt%. Moreover

the shape fixity ratio and shape recovery time of the SCF/SBS/LLDPE composites increased with the SCF content.

关键词

Keywords

references

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