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Electrospinning of PCL-Based Blends: Processing Optimization for Their Scalable Production

Materials, 2020-09, Vol.13 (17), p.3853 [Peer Reviewed Journal]

2020. This work is licensed under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;2020 by the authors. 2020 ;ISSN: 1996-1944 ;EISSN: 1996-1944 ;DOI: 10.3390/ma13173853 ;PMID: 32882860

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Title:
Electrospinning of PCL-Based Blends: Processing Optimization for Their Scalable Production
Author: Arrieta, Marina P. ; Leonés Gil, Adrián ; Yusef, Maysa ; Kenny, José M. ; Peponi, Laura
Subjects: Beads ; Biopolymers ; blends ; Cellulose ; Crystalline cellulose ; Electrospinning ; Elongation ; Industrial applications ; Mats ; Mechanical analysis ; Mechanical properties ; microcrystalline cellulose ; Mixtures ; Morphology ; Optimization ; poly(3-hydroxybutyrate) ; poly(ε-caprolactone) ; Polyesters ; Polyhydroxybutyrate ; Polymers ; Process parameters ; Stretchability ; Thermal stability ; Thermodynamic properties
Is Part Of: Materials, 2020-09, Vol.13 (17), p.3853
Description: In this work poly(ε-caprolactone) (PCL) based electrospun mats were prepared by blending PCL with microcrystalline cellulose (MCC) and poly(3-hydroxybutyrate) (PHB). The electrospinning processing parameters were firstly optimized with the aim to obtain scalable PCL-based electrospun mats to be used in the industrial sector. Neat PCL as well as PCL-MCC and PCL-PHB based mats in different proportions (99:1; 95:5; 90:10) were prepared. A complete morphological, thermal and mechanical characterization of the developed materials was carried out. Scanning electron microscopy (SEM) observations showed that the addition of PHB to the PCL matrix considerably reduced the formation of beads. Both the addition of MCC and PHB reduced the thermal stability of PCL, but obtained materials with enough thermal stability for the intended use. The electrospun PCL fibers show greatly reduced flexibility with respect to the PCL bulk material, however when PCL is blended with PHB their stretchability is increased, changing their elongation at break from 35% to 70% when 10 wt% of PHB is blended with PCL. However, the mechanical response of the different blends increases with respect to the neat electrospun PCL, offering the possibility to modulate their properties according to the required industrial applications.
Publisher: Basel: MDPI AG
Language: English
Identifier: ISSN: 1996-1944
EISSN: 1996-1944
DOI: 10.3390/ma13173853
PMID: 32882860
Source: Geneva Foundation Free Medical Journals at publisher websites
PubMed Central
ROAD: Directory of Open Access Scholarly Resources
ProQuest Central
DOAJ Directory of Open Access Journals

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Electrospinning of PCL-Based Blends: Processing Optimization for Their Scalable Production

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