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Processing and Characterization of Cellulose Nanocrystals/Polylactic Acid Nanocomposite FilmsAuthor(s): Erin Sullivan; Robert Moon; Kyriaki Kalaitzidou
Publication Series: Scientific Journal (JRNL)
Station: Forest Products Laboratory
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DescriptionThe focus of this study is to examine the effect of cellulose nanocrystals (CNC) on the properties of polylactic acid (PLA) films. The films are fabricated via melt compounding and melt fiber spinning followed by compression molding. Film fracture morphology, thermal properties, crystallization behavior, thermo-mechanical behavior, and mechanical behavior were determined as a function of CNC content using scanning electron microscopy, differential scanning calorimetry, X-ray diffraction, dynamic mechanical analysis, and tensile testing. Film crystallinity increases with increasing CNC content indicating CNC act as nucleating agents, promoting crystallization. Furthermore, the addition of CNC increased the film storage modulus and slightly broadened the glass transition region.
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CitationSullivan, Erin; Moon, Robert; Kalaitzidou, Kyriaki. 2015. Processing and characterization of cellulose nanocrystals/polylactic acid nanocomposite films. Materials. 8(12): 8106-8116.
Keywordscellulose nanocrystals, polylactic acid, nanocomposite film
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