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Structural and Morphological Characterization of Micro and Nanofibers Produced by Electrospinning and Solution Blow Spinning: A Comparative Study

Oliveira, Juliano E., Mattoso, Luiz H. C., Orts, William J., Medeiros, Eliton S.·2013·Advances in Materials Science and Engineering
DOI 10.1155/2013/409572
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Abstract

Nonwoven mats of poly(lactic acid) (PLA), poly(ethylene oxide) (PEO), and poly( ε -caprolactone) (PCL) were prepared at a nano- and submicron scale by solution blow spinning (SBS) and electrospinning in order to compare crystalline structure and morphology developed by both processes during fiber formation. Polymer solutions were characterized by rheometry and tensiometry. Spun fibers were characterized by several analytical steps. SEM analyses showed that both solution blow spun and electrospun fibers had similar morphology. Absence of residual solvents and characteristic infrared bands in the solution blow spun fibers for PLA, PCL, and PEO was confirmed by FTIR studies. XRD diffraction patterns for solution blow spun and electrospun mats revealed some differences related to distinct mechanisms of fiber formation developed by each process. Significant differences in thermal behavior by DSC were observed between cast films of PLA, PCL, and PEO and their corresponding spun nanofibers. Furthermore, the average contact angles for spun PLA and PCL were higher than for electrospun mats, whereas it was slightly lower for PEO. When comparing electrospun and solution blow spun fibers, it was possible to verify that fiber morphology and physical properties depended both on the spinning technique and type of polymer.

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  • Fibers fabricated via solution blow spinning exhibit minimal solvent residues, have diameters ranging from the nanoscale to the microscale, and PLCL materials can be fabricated into various scaffolds via solution blow spinning for diverse biomedical fields.

    “The results showed that fibers fabricated via the SBS method exhibit minimal solvent residues, the fiber scaffolds had diameters ranging from the nanoscale to the microscale, and PLCL materials could be fabricated into various scaffolds via the SBS method for applications in diverse biomedical fields [84–87].”

    From Application of PLCL as a biodegradable polymer in biomedical engineering (2026) · cites this paper as [84]

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Authors
Oliveira, J. E., Mattoso, L. H. C., Orts, W. J., & Medeiros, E. S.
Affiliations
  • Departamento de Engenharia de Materiais (DEMA), Universidade Federal de São Carlos (UFSCAR), Rodovia Washington Luis, KM 235, Monjolinho, 13.565-905 São Carlos, SP, Brazil
  • Laboratório Nacional de Nanotecnologia para o Agronegócio (LNNA), Embrapa Instrumentação Agropecuária (CNPDIA), Rua XV de Novembro, 1452 Centro, 13.560-970 São Carlos, SP, Brazil
  • United States Department of Agriculture (USDA), Western Regional Research Center (WRRC), Bioproduct Chemistry and Engineering (BCE), 800 Buchanan Street, Albany, CA 94710, USA
  • Universidade Federal da Paraíba (UFPB), Departamento de Engenharia de Materiais (DEMAT), Cidade Universitária, 58.051-900 João Pessoa, PB, Brazil
Venue
Advances in Materials Science and Engineering
Publisher
Wiley
Published
2013
Volume
2013
Pages
1-14
ISSN
  • 1687-8434
  • 1687-8442
DOI
10.1155/2013/409572
Cited by
158
References
0
Language
en
Licence
creativecommons.org/licenses/by/3.0/ (unspecified)
Funders
Ministério da Ciência, Tecnologia e Inovação

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