Mechanical, thermal, morpological properties and decay resistance of filled hazelnut husk polymer composites (AOP Paper)

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Mechanical, thermal, morpological properties and decay resistance of filled hazelnut husk polymer composites (AOP Paper)

Authors
  • Mürşit Tufan1
  • Selçuk Akbaş1
  • Türker Güleç1
  • Cihat Taşçıoğlu2
  • M. Hakkı Alma
Type
Preprint
Source
MCT
Keywords

Abstract

Four different formulations of natural fiber-polymer composites were fabricated from mixtures of hazelnut (Corylus avellana) husk flour (HHF), polypropylene (PP) and high density polyethylene (HDPE). Variables examined included polymer and coupling agent types. All formulations were compression molded in a hot press for 3 minutes at 175 0C. The resulted specimens were tested for mechanical properties according to ASTM D-790 and ASTM D-638. In addition, scanning electronmicroscopy (SEM), thermogravimetry (TG) and Differential Scanning Calorimetry (DSC) ana lysis were performed to characterize rheological properties of the fabricated composite. Furthermore, decay tests were performed to determine degradation of hazelnut husk polymer matrices. Hazelnut husk polymer composites had high mechanical properties for the tested formulations. The thermal studies showed that incorporation of hazelnut husk into the polymer matrices used did not adversely affect the composite. The HDPE+50% wood + 3% MAPE (HHF2) formulation showed the highest natural durability with only 3.47% and 4.60% mass losses against Trametes versicolor and Postia plecenta, respectively, while Scots pine solid controls experienced around 32% mass loss under the same exposure condition.

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