HEMP FIBER REINFORCED SUSTAINABLE “GREEN” COMPOSITE PRODUCTION WITH EPOXIDIZED SOYBEAN OIL

Yıl 2024, Cilt: 31 Sayı: 134, 78 - 87, 30.06.2024

Görkem Gedik , İnan Ağır , Cansu Var , Osman Avinç

https://doi.org/10.7216/teksmuh.1340701

Öz

Due to the rising environmental concerns, industry branches are pushed to research and invest sustainable materials and technologies. In this context, this study aimed to combine a sustainable fiber and matrix material to produce green composite. For this purpose, epoxidized soybean oil and hemp fiber were utilized for composite production. Sebacic acid and maleic anhydride were used as hardeners. Histidine and glycerol were applied as accelerator and starter, respectively. Mechanical performance of the composites was evaluated by tensile and impact tests. Hemp fiber reinforcement resulted in improvement on tensile properties, up to 2.6 MPa tensile strength and 11.7 kJ/m2 impact strength. Thermal properties were determined by TGA and DSC analyses. The changes in molecular level after curing was traced with FTIR measurements and surface morphology was monitored with SEM imaging.

Anahtar Kelimeler

Hemp fiber, Epoxidized soybean oil, composite, sustainable

Destekleyen Kurum

PAÜBAP

Proje Numarası

2020BSP006

EPOKSİ SOYA YAĞIYLA KENEVİR LİFİ İLE GÜÇLENDİRİLMİŞ SÜRDÜRÜLEBİLİR “YEŞİL” KOMPOZİT ÜRETİMİ

Öz

Artan çevresel endişeler nedeniyle, endüstri dalları sürdürülebilir malzeme ve teknolojiler araştırmaya ve yatırım yapmaya itilmektedir. Bu bağlamda, bu çalışma, yeşil kompozit üretmek için sürdürülebilir bir lif ve matris malzemesini birleştirmeyi amaçlamıştır. Bu hedef doğrultusunda, epoksitlenmiş soya yağı ve kenevir lifi, kompozit üretiminde kullanılmıştır. Sertleştirici olarak sebasik asit ve maleik anhidrit kullanılmıştır. Hızlandırıcı ve başlatıcı olarak sırasıyla histidin ve gliserol uygulanmıştır. Kompozitlerin mekanik performansı çekme ve darbe testleri ile değerlendirilmiştir. Kenevir lifi takviyesi ile mekanik özelliklerde iyileşme sağlanmış, kenevir lifi takviyeli kompozitlerle 2,6 MPa'ya kadar çekme dayanımı ve 11,7 kJ/m2’ye çıkan darbe dayanımı elde edilmiştir. Termal özellikler TGA ve DSC analizleri ile belirlenmiştir. Kürlenme sonrası moleküler seviyedeki değişimler FTIR ölçümleri ile izlenmiş, yüzey morfolojisi SEM yardımıyla görüntülenmiştir.

Anahtar Kelimeler

Kenevir lifi, epoksi soya yağı, kompozit, sürdürülebilir

Proje Numarası

2020BSP006

Kaynakça

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