On the Unique Morphology and Elastic Properties of Multi-Jet Electrospun Cashew Gum-Based Fiber Mats
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INVESTIGACIONMetadatos
Título
On the Unique Morphology and Elastic Properties of Multi-Jet Electrospun Cashew Gum-Based Fiber MatsAutoría
Fecha de publicación
2024Editor
MDPIISSN
2073-4360Cita bibliográfica
GRUMI, Mattia, et al. On the Unique Morphology and Elastic Properties of Multi-jet Electrospun Cashew Gum-Based Fiber Mats. Polymers, 2024, vol. 16, núm.10, p. 1355Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.mdpi.com/2073-4360/16/10/1355Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
This study investigates the unique morphology and mechanical properties of multi-jet
electrospun cashew gum (CG) when combined with high-molecular-weight polyethylene oxide
(PEO) and glycerol. Cashew gum (CG) is a ... [+]
This study investigates the unique morphology and mechanical properties of multi-jet
electrospun cashew gum (CG) when combined with high-molecular-weight polyethylene oxide
(PEO) and glycerol. Cashew gum (CG) is a low-cost, non-toxic heteropolysaccharide derived from
Anacardium occidentale trees. Initially, the electrospinnability of aqueous solutions of cashew gum
alone or in combination with PEO was evaluated. It was found that cashew gum alone was not
suitable for electrospinning; thus, adding a small quantity of PEO was needed to create the necessary
molecular entanglements for fiber formation. By using a single emitter with a CG:PEO ratio of 85:15,
straight and smooth fibers with some defects were obtained. However, additional purification of the
cashew gum solution was needed to produce more stable and defect-free straight and smooth fibers.
Additionally, the inclusion of glycerol as a plasticizer was required to overcome material fragility.
Interestingly, when the optimized formulation was electrospun using multiple simultaneous emitters,
thicker aligned fiber bundles were achieved. Furthermore, the resulting oriented fiber mats exhibited
unexpectedly high elongation at break under ambient conditions. These findings underscore the
potential of this bio-polysaccharide-based formulation for non-direct water contact applications that
demand elastic properties. [-]
Publicado en
Polymers, 2024, vol. 16, núm.10, p. 1355Entidad financiadora
Agencia Valenciana de Innovación (AVI) | Ministerio de Ciencia, Innovación y Universidades (MCIU)
Código del proyecto o subvención
INNEST/2022/25 | PID2021-128749OB-C31
Derechos de acceso
info:eu-repo/semantics/openAccess
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