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Open AccessArticle

Thermoplastic Starch Films Added with Dry Nopal (Opuntia Ficus Indica) Fibers

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Technologies and Diagnostics for Conservation and Restoration Laboratory, School of Science and Technology, University of Camerino, Via Pacifici Mazzoni 2, 63100 Ascoli Piceno, Italy
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Department of Sustainability SSPT-ENEA—Casaccia Research Center, Via Anguillarese 301, 00123 Rome, Italy
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Chemistry Division, School of Science and Technology, University of Camerino, Via S. Agostino 1, 62032 Camerino, Italy
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School of Architecture and Design, University of Camerino, viale della Rimembranza, 63100 Ascoli Piceno, Italy
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Author to whom correspondence should be addressed.
Fibers 2019, 7(11), 99; https://doi.org/10.3390/fib7110099
Received: 19 September 2019 / Revised: 31 October 2019 / Accepted: 4 November 2019 / Published: 19 November 2019
(This article belongs to the Special Issue Plant Fibers)
Dry fibers coming from garden waste, originating from Opuntia ficus indica, were introduced in amounts of either 8 or 16 wt % into a self-produced thermoplastic starch (TPS) based on potato starch and glycerol. Thermal (differential scanning calorimetry, DSC), mechanical (tensile tests), and morphological characterization with scanning electron microscopy (SEM) and performing energy-dispersive X-ray spectrometry (microanalysis) were carried out. The results indicated that the uneven distribution and variable geometry of fibers introduced led to a reduction of tensile stress and strain with respect to pure TPS. However, the positive effects of prolonged mixing and increased thickness were highlighted, which suggest the fabrication of the composite could be improved in the future by controlling the manufacturing procedure. View Full-Text
Keywords: thermoplastic starch; Opuntia fibers; tensile tests; differential scanning calorimetry; SEM morphology thermoplastic starch; Opuntia fibers; tensile tests; differential scanning calorimetry; SEM morphology
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MDPI and ACS Style

Scognamiglio, F.; Mirabile Gattia, D.; Roselli, G.; Persia, F.; De Angelis, U.; Santulli, C. Thermoplastic Starch Films Added with Dry Nopal (Opuntia Ficus Indica) Fibers. Fibers 2019, 7, 99.

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