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Analysis of the Process Parameters for Obtaining a Stable Electrospun Process in Different Composition Epoxy/Poly
Alvaro Iregui1, Lourdes Irusta2, Loli Martin3
1POLYMAT, Department of Polymer Science and Technology, University of the Basque Country UPV-EHU, PO Box 1072, 20080 Donostia/San Sebastian, Spain. jesusalvaro.iregui@ehu.eus.
Polymers
|April 10, 2019
Summary
This study optimized electrospinning of Poly ε-caprolactone (PCL)/Diglycidyl ether of bisphenol A (DGEBA) blends for shape memory properties. Design of experiments ensured stable processing and fiber quality across compositions, yielding excellent shape memory results.
Area of Science:
- Materials Science
- Polymer Chemistry
- Nanotechnology
Background:
- Electrospinning of Poly ε-caprolactone (PCL)/Diglycidyl ether of bisphenol A (DGEBA) blends is a common method for creating functional materials.
- Optimizing electrospinning process parameters like voltage and flow rate is crucial for consistent fiber quality, especially when varying blend compositions.
- Previous studies often fixed process variables, potentially leading to suboptimal fiber characteristics across the entire composition range.
Purpose of the Study:
- To optimize the electrospinning process for PCL/DGEBA blends using design of experiments.
- To investigate the influence of blend composition on process stability, fiber diameter, and shape memory properties.
- To achieve high-quality electrospun mats with tailored shape memory capabilities.
Main Methods:
- Electrospinning of Poly ε-caprolactone (PCL) and Diglycidyl ether of bisphenol A (DGEBA) blends.
- Application of Design of Experiments (DoE) methodology to systematically vary and analyze process parameters.
- UV curing of electrospun mats to induce shape memory properties.
- Evaluation of fiber diameter, process stability (voltage, flow rate), and shape memory performance.
Main Results:
- Solution concentration and PCL content significantly influenced the required voltage and flow rate for stable electrospinning.
- Excellent shape memory properties were achieved, independent of the PCL/DGEBA blend composition.
- Fiber diameter results were consistent with previous research findings.
- The DoE approach successfully identified optimal processing conditions for consistent fiber formation.
Conclusions:
- The study successfully optimized electrospinning parameters for PCL/DGEBA blends using DoE.
- The developed electrospun mats exhibit robust shape memory properties irrespective of blend composition.
- This work provides a foundation for fabricating tailored shape memory polymer materials through controlled electrospinning.
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