Investigation of The Mechanical and Thermal Properties of Graphene Oxide Filled Polypropylene Composites

Year 2017, Volume: 4 Issue: 2, 34 - 40, 21.12.2017

Salih Hakan Yetgin Bilhan Karadeniz Mustafa Guleşen

Abstract

In this study, the effect of graphene oxide on the
mechanical and thermal properties of polypropylene (PP) composites were
examined. Twin-screw extruder was used in the production of graphene oxide
filled PP polymer granules. Injection molding method is used for the production
of mechanical and thermal test specimens. As a result, the graphene oxide added
to the PP polymer increased the tensile strength and the modulus of elasticity
by 42% and 71%, respectively, while decreasing the elongation at break and
impact strength by 341% and 56%, respectively. Also, the graphene oxide added
to the PP polymer increased the heat deformation temperature (HDT) and the
vicat softening temperature (VSP). The fracture surfaces obtained after tensile
test were analyzed by SEM.

Keywords

Graphene oxide, Mechanical properties

Grafen Oksit Katkılı Polipropilen Polimer Kompozitlerin Mekanik ve Termal Özelliklerin İncelenmesi

Abstract

Bu çalışmada, grafen oksit miktarının Polipropilen polimerinin mekanik ve termal özellikleri üzerine etkisi incelenmiştir. Grafen oksit katkılı PP polimer granüller çift vidalı ekstruderde üretilmiştir. Mekanik ve termal test numuneleri enjeksiyon kalıplama yöntemi ile üretilmiştir. Çalışma sonucunda, grafen oksit katkılı PP polimer kompozitlerin çekme dayanımı %42, elastiklik modülü ise %71 oranında artarken kopma uzaması ve darbe dayanımları sırasıyla %341 ve %56 oranlarında azalmıştır. Aynı zamanda, grafen oksit katkılı PP kompozitlerin ısı sapma sıcaklıkları (HDT) ve Vicat yumuşama sıcaklığı (VSP) artmıştır. Çekme testi sonrası kırık yüzeyler SEM ile analiz edilmiştir. 

Keywords

Grafen oksit, Mekanik Özellikler

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