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Arianna Barghini, Vassilka I. Ivanova, Syed H. Imam and Emo Chiellini Poly-(ε-caprolactone) (PCL) and poly(hydroxy-butyrate) (PHB) blends containing seaweed fibers: Morphology and thermal-mechanical properties Journal of Polymer Science Part A: Polymer Chemistry 48

Article first published online: 5 OCT 2010 | DOI: 10.1002/pola.24327

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The marine seaweed Ulva Armoricana and the biodegradable polymers PHB and PCL were processed by compression molding to obtain some laminates. The SEM images showed a fiber dispersion, the presence of damages in the polymeric matrix and the poor compatibility between the two materials as shown by the visible absence of the adhesion at the interface for polymeric composites. The thermogravimetric analysis (TGA) confirms the presence of an high amount of siliceous material. The elongation at break (EB) and ultimate tensile strength (UTS) find a good agreement with the increasing amount of algal fiber loading and the composite fragility.

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