İndirgenmiş Grafen Oksit Dolgulu PCL Kompozit Filmlerin Üretimi ve Karakterizasyonu

Abstract

Bu çalışmada, polikaprolakton (PCL) kompozit filmlerin yapısal özellikleri ve biyobozunurluk davranışını incelemek için indirgenmiş grafen oksit (RGO) dolgu maddesi olarak seçilmiştir. RGO dolgusu farklı miktarlarda (ağ.% 0,1, 0,5 ve 1,0) sıvı faz ultrasonik karıştırma metodu ile PCL matriksine ilave edilerek PCL/RGO kompozit filmler hazırlanmıştır. Tüm filmlerde polimer-dolgu etkileşiminin sağlandığı, (110) ve (200) düzlemlerine ait piklerin kristal boyut değerlerinde en yüksek artışın PCL/RGO-1.0 filmine ait olduğu ve aynı filmde düzensiz, kaba yüzey görüntüsü ile birlikte diğer filmlere göre daha az boşluklu bir yüzey görüntüsü sergilediği tespit edilmiştir. Bu çalışma, kontrollü biyobozunurluk davranışı ile biyomalzeme uygulamaları için en düşük gözeneklilik (%26,84) ve yüzey pürüzlülük değerine (Rq 2,23) sahip olduğu belirlenen PCL/RGO-1.0 filmini önermektedir.

Keywords

• indirgenmiş grafen oksit (RGO)
• polikaprolakton (PCL) kompozit filmler
• karakterizasyon.

Production and Characterization of PCL Composite Films Filled with Reduced Graphene Oxide

Abstract

In this study, reduced graphene oxide (RGO) was chosen as a filler to examine the structural properties of polycaprolactone (PCL) composite films. PCL/RGO composite films were prepared by using the liquid phase ultrasonic mixing method by using different amounts of RGO filler (0.1, 0.5 and 1.0 wt%). Polymer-filler interaction was achieved in all films; the highest crystal size values of the peaks belonged to the (110) and (200) planes of the PCL/RGO-1.0 film, and an irregular, rough surface image and fewer voids were seen in the same film. This study recommended PCL/RGO-1.0 film, which had the lowest porosity (26.84%) and surface roughness value (Rq 2.23) for biomaterial applications with its controlled biodegradability behavior.

Keywords

• reduced graphene oxide (RGO)
• polycaprolactone (PCL) composite films
• characterization.

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