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Effect of potato pulp filler on the mechanical properties and water vapor transmission rate of thermoplastic WPI/PBS blends

 
: Schmid, Markus; Herbst, Carola; Müller Kerstin; Stäbler, Andreas; Schlemmer, Daniel; Coltelli, Maria-Beatrice; Lazzeri, Andrea

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Polymer plastics technology and engineering 55 (2016), No.5, pp.510-517
ISSN: 0092-5012
ISSN: 0360-2559
ISSN: 1525-6111
English
Journal Article
Fraunhofer IVV ()

Abstract
One strategy for improving the cost efficiency as well as techno-functional properties of bio based plastics is the incorporation of natural fillers. In this study, potato pulp was used as a compound additive in different concentrations in extruded biopolymer blends based on glycerol/water plasticized whey protein isolate and polybutylene succinate. The main goal of this work was to determine the influence of potato pulp on the thermoplastic process as well as on the techno-functional properties of whey protein isolate/polybutylene succinate blends. When increasing the potato pulp concentration the elongation at break decreased, Young's modulus increased and the tensile strength was not affected.

: http://publica.fraunhofer.de/documents/N-382459.html