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Fibers and Polymers

, Volume 20, Issue 10, pp 2222–2226 | Cite as

A Novel Facile and Green Synthesis Protocol to Prepare High Strength Regenerated Silk Fibroin/SiO2 Composite Fiber

  • Qiang Liu
  • Zhaohui Meng
  • Ronghui Wu
  • Liyun Ma
  • Wu Qiu
  • Honghao Zhang
  • Shuihong Zhu
  • Lingqing Kong
  • Zijjie Xu
  • Aniruddha PatilEmail author
  • Xiangyang LiuEmail author
Communication
  • 34 Downloads

Abstract

In this work, regenerated silk fibroin (RSF) and silicon dioxide (SiO2) composite fiber was successfully extruded by wet spinning method. The effect of SiO2 addition on structure of the composite fiber at microscopic level is studied, which subsequently correlated to the mechanical performance. The best concentration ratio for composite fiber is identified by screening SiO2 concentration from 0.025 w/w% to 0.5 w/w%. The experimental results revealed that the SiO2 at a low concentration of 0.1 w/w% was well distributed. The breaking stress, breaking strain and Young’s modulus at 0.1 w/w% SiO2 addition of the RSF fibers increased considerably compared to the neat RSF fibers from 243±3 to 458±21 MPa, 51±4 % to 54±7 % and 6.34±0.55 to 11.69±1.12 GPa, respectively. To the best of our knowledge, this is the first report for RSF/SiO2 composite fiber. We believed the insight provided in this report which looks into the structural evolution should be beneficial to the future design and building of other advanced functional fibers.

Keywords

Fibre technology Wet spinning Regenerated silk fibroin SiO2 Mechanical performance 

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Notes

Acknowledgment

One of the authors, X.-Y.Liu’s primary affiliation is Department of Physics, National University of Singapore. This work was financially supported by NUS AcRF Tier 1 (R-144-000-367-112), 111 project (B16029), National Nature Science Foundation (Nos. U1405226), Natural Science Foundation of Fujian Province of China (No. 2017J01005), Doctoral Fund of the Ministry of Education (20130121110018), and the 1000 Talents Program funding from the Xiamen University.

Supplementary material

12221_2019_9120_MOESM1_ESM.pdf (3.6 mb)
A Novel Facile and Green Synthesis Protocol to Prepare High Strength Regenerated Silk Fibroin/SiO2 Composite Fiber

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Copyright information

© The Korean Fiber Society 2019

Authors and Affiliations

  • Qiang Liu
    • 1
  • Zhaohui Meng
    • 1
  • Ronghui Wu
    • 1
    • 2
  • Liyun Ma
    • 1
  • Wu Qiu
    • 1
  • Honghao Zhang
    • 1
  • Shuihong Zhu
    • 1
  • Lingqing Kong
    • 1
  • Zijjie Xu
    • 1
  • Aniruddha Patil
    • 1
    Email author
  • Xiangyang Liu
    • 1
    • 2
    Email author
  1. 1.Research Institute for Biomimetics and Soft Matter, College of Materials, College of Physical Science and Technology, Fujian Provincial Key Laboratory for Soft Functional Materials ResearchXiamen UniversityXiamenChina
  2. 2.Department of Physics, Faculty of ScienceNational University of SingaporeSingaporeSingapore

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