Journal
MATERIALS LETTERS
Volume 65, Issue 14, Pages 2291-2294Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2011.04.039
Keywords
Electrospinning; Cellulose acetate; Nanofiber; Porous; Ribbon-like
Funding
- State Planning Organization (DPT) of Turkey
- Marie Curie International Reintegration Grant (IRG) [PIRG06-GA-2009-256428]
- TUBITAK
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Electrospun porous cellulose acetate (CA) fibers were produced from highly volatile binary solvent system; dichloromethane(DCM)/acetone. The morphology and porous structure of CA fibers were highly dependent on DCM/acetone ratio and the concentration of the solutions. Ribbon-like porous CA fibers were obtained from 5% (w/v) to 10% (w/v) polymer solutions depending on the DCM/acetone ratio; 1/1, 2/1, 3/1 and 9/1 (v/v). Using higher DCM/acetone ratio resulted in bead-free fibers from less concentrated polymer solutions due to the high viscosity of the solutions, in addition, more porous CA fibers were obtained owing to the high volatility of DCM. (C) 2011 Elsevier B.V. All rights reserved.
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