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Open AccessArticle

Influence of Electrospinning Parameters on Fiber Diameter and Mechanical Properties of Poly(3-Hydroxybutyrate) (PHB) and Polyanilines (PANI) Blends

1
Department of Physics, Faculty of Applied Science, Umm Al-Qura University, Al-Abidiyya, P.O. Box, 13174, Makkah 21955, Saudi Arabia
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Higher Institute of Engineering and Technology, Department of Basic Science, El Arish, North Sinai 9004, Egypt
*
Author to whom correspondence should be addressed.
Academic Editor: Naozumi Teramoto
Polymers 2016, 8(3), 97; https://doi.org/10.3390/polym8030097
Received: 9 December 2015 / Revised: 16 February 2016 / Accepted: 24 February 2016 / Published: 22 March 2016
(This article belongs to the Special Issue Biodegradable Polymers)
Random and oriented fibers of poly (3-hydroxybutyrate) (PHB) and their blends were manufactured using electrospinning using a co-solvent. The kind and the concentration of the co-solvent affected the diameter of electrospun fibers. The morphology, thermal analysis, and crystalline structure of electrospun fibers was studied using polarized optical microscop (POM), Differential scanning colametry (DSC), Scanning Electron Microscopy (SEM), Wide angle X-ray diffraction (WAXD), and FT-IR analysis. The diameter of the electrospun fibers decreases with increasing collector speed for the blends compared to pure PHB, which are about 6 µm in diameter. The fibers obtained from blends reduce to 2 µm. The aligned electrospun fiber mats obtained from pure PHB showed no signs of necking at different take-up speeds, but the blends show multiple necking. It was found by FT-IR that the peak intensity at 1379 cm−1 was lower by take up speed than in casting films; this peak is sensitive to crystallinity of PHB. The addition of polyanilines (PANIs) to (PHB) with a plasticizer decreases the diameter of the electrospun fiber. View Full-Text
Keywords: electrospun fiber; conductive biopolymers; poly(3-hydroxybutyrate) (PHB); Polyanilines (PANI); mechanical properties electrospun fiber; conductive biopolymers; poly(3-hydroxybutyrate) (PHB); Polyanilines (PANI); mechanical properties
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El-hadi, A.M.; Al-Jabri, F.Y. Influence of Electrospinning Parameters on Fiber Diameter and Mechanical Properties of Poly(3-Hydroxybutyrate) (PHB) and Polyanilines (PANI) Blends. Polymers 2016, 8, 97.

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