Please use this identifier to cite or link to this item: https://doi.org/10.1002/polb.20457
Title: Deformation behavior of electrospun poly(L-lactide-co-ε-caprolactone) nonwoven membranes under uniaxial tensile loading
Authors: Inai, R.
Kotaki, M. 
Ramakrishna, S. 
Keywords: Deformation behavior
Electrospun membranes
Mechanical properties
Membrane structures
Nanofibers
Poly(L-lactide-co-ε-caprolactone)
Issue Date: 15-Nov-2005
Source: Inai, R., Kotaki, M., Ramakrishna, S. (2005-11-15). Deformation behavior of electrospun poly(L-lactide-co-ε-caprolactone) nonwoven membranes under uniaxial tensile loading. Journal of Polymer Science, Part B: Polymer Physics 43 (22) : 3205-3212. ScholarBank@NUS Repository. https://doi.org/10.1002/polb.20457
Abstract: Biodegradable poly(L-lactide-co-ε-caprolactone) copolymers with different L-lactide (LLA)/ε-caprolactone (CL) ratios of 75/25 and 50/50 were electrospun into fine fibers. The deformation behavior of the electrospun membranes with randomly oriented structures was evaluated under uniaxial tensile loading. The electrospun membrane with a higher LLA content showed a significantly higher tensile modulus but a similar maximum stress and a lower ultimate strain in comparison with the membrane with a lower LLA content. The beaded fibers that formed in the membranes caused lower tensile properties. X-ray diffraction and differential scanning calorimetry results suggested that the electrospun fine fibers developed highly oriented structures in CL-unit sequences during the electrospinning process even though the concentration was only 25 wt %. © 2005 Wiley Periodicals, Inc.
Source Title: Journal of Polymer Science, Part B: Polymer Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/59845
ISSN: 08876266
DOI: 10.1002/polb.20457
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