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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2013, Volume 50, Issue 4,





MICHAELA DOINA IORGA, ZINA VULUGA, MARIA DAN, ADRIANA NICOLETA FRONE, DOREL FLOREA*, DENIS MIHAELA PANAITESCU Mechanical Properties of Polypropylene Modified with Different Treated Hemp Fibers


Abstract:
Polymer composites from polypropylene (PP) and treated and untreated hemp fibers (HF) were prepared using a twin screw extruder and separated feeding ports. Both treated and untreated HF show reinforcing effect in PP composites but the treatments applied to HF accentuate this effect. An increase with 78 % of tensile strength and with 61 % of Young’s modulus was obtained with untreated fibers and double tensile strength and modulus when using treated HF. Aminosilane treatment of HF was the most efficient, leading to simultaneous improvement of tensile properties and impact strength of PP composites. Keywords: hemp fibers, mechanical properties, twin screw extruder, polymer composites



Issue: 2013 Volume 50, Issue 4
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