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

Öz

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.

Anahtar Kelimeler

• Graphene oxide,Mechanical properties

Grafen Oksit Katkılı Polipropilen Polimer Kompozitlerin Mekanik ve Termal Özelliklerin İncelenmesi

Öz

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. 

Anahtar Kelimeler

• Grafen oksit,Mekanik Özellikler

Kaynakça

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