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Modeling Analysis of Silk Fibroin/Poly(ε-caprolactone) Nanofibrous Membrane under Uniaxial Tension

1,2, 1 and 1,3,*
1
College of Materials and Textile, Zhejiang Sci-Tech University, Hangzhou 310018, China
2
School of Textile, Zhongyuan University of Technology, Zhengzhou 450007, China
3
Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
*
Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(8), 1149; https://doi.org/10.3390/nano9081149
Received: 4 July 2019 / Revised: 30 July 2019 / Accepted: 7 August 2019 / Published: 10 August 2019
(This article belongs to the Special Issue Advanced Mechanical Modeling of Nanomaterials and Nanostructures)
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Abstract

Evaluating the mechanical ability of nanofibrous membranes during processing and end uses in tissue engineering is important. We propose a geometric model to predict the uniaxial behavior of randomly oriented nanofibrous membrane based on the structural characteristics and tensile properties of single nanofibers. Five types of silk fibroin (SF)/poly(ε-caprolactone) (PCL) nanofibers were prepared with different mixture ratios via an electrospinning process. Stress–strain responses of single nanofibers and nanofibrous membranes were tested. We confirmed that PCL improves the flexibility and ductility of SF/PCL composite membranes. The applicability of the analytical model was verified by comparison between modeling prediction and experimental data. Experimental stress was a little lower than the modeling results because the membranes were not ideally uniform, the nanofibers were not ideally straight, and some nanofibers in the membranes were not effectively loaded. View Full-Text
Keywords: electrospinning; nanofibrous membrane; geometric modeling; uniaxial tensile electrospinning; nanofibrous membrane; geometric modeling; uniaxial tensile
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Yin, Y.; Zhao, X.; Xiong, J. Modeling Analysis of Silk Fibroin/Poly(ε-caprolactone) Nanofibrous Membrane under Uniaxial Tension. Nanomaterials 2019, 9, 1149.

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