Tropik ağaç türü olan dahoma (Piptadeniastrum africanum) odununun odun plastik kompozit üretiminde kullanımı

Year 2022, , 271 - 280, 17.09.2022

İbrahim Halil Başboğa , İbrahim Kılıç , İlkay Atar , Fatih Mengeloğlu

https://doi.org/10.17568/ogmoad.1091247

Cited By: 2

Abstract

Bu çalışma kapsamında profil çekme makinesinden çıkan atık dahoma odun ununun polipropilen (PP) bazlı odun plastik kompozit üretiminde dolgu maddesi olarak kullanımının kompozit malzemelerin mekanik ve morfolojik özellikleri üzerine etkileri incelenmiştir. Atık odun unları fabrikadan alındığı gibi ve dört farklı oranda (%0, %15, %30 ve %45) kullanılmıştır. Atık odun unlarının boyut analizi gerçekleştirilmiştir. Uyumlaştırıcı olarak %3 oranında maleik anhidrit polipropilen (MAPP) ve yağlayıcı olarak %3 parafin wax kullanılmıştır. Elde edilen sonuçlar neticesinde odun ununun eklenmesi ile çekme ve darbe direnci değerlerinde hafif dalgalanmalar gözlemlense de genel olarak mekanik değerlerde iyileşmeler belirlenmiştir. Odun ununun katılım oranının artması ile çekmede elastikiyet modülü, eğilme direnci ve eğilmede elastikiyet modülü özellikleri iyileşmiştir. Kopmada uzama değerlerinde ise keskin bir düşüş gözlemlenmiştir. Morfolojik özellikleri incelendiğinde odun ununun homojen bir şekilde polimer matris içerisinde dağılım gösterdiği ve polimer matrisin dolgu maddelerinin etrafını iyice sardığı ve iyi bir arayüz etkileşiminin olduğu gözlemlenmiştir. Sonuç olarak, atık dahoma odun unlarının odun plastik kompozit üretiminde değerlendirilebileceği kanaatine varılmıştır.

Keywords

Dahoma (Piptadeniastrum africanum), odun plastik kompozitler, mekanik ve morfolojik özellikler.

Supporting Institution

KAROK2021

Thanks

EKŞİOĞLU Orman Ürünleri firmasına Dahoma (Dabema) atık unlarının temini sırasında yardımcı olmaları dolayısıyla teşekkür ederiz.

The usage of wood of dahoma (Piptadeniastrum africanum), a tropic tree, in the production of wood plastic composite

Abstract

In this study, the effects of the usage of waste dahoma wood flour from the profiling machine as a filler in the production of Polypropylene (PP) based wood plastic composites on the mechanical and morphological properties of composite materials were investigated. Waste wood flour was used as received from the plant and in four different ratios (0%, 15%, 30% and 45%). A dimensional analysis of waste wood flours was carried out. Maleic anhydride polypropylene (MAPP) (3%) was used as a coupling agent, and Paraffin Wax (3%) was used as the lubricant. In the light of the results, although slight fluctuations were observed in the tensile and impact strength values with the addition of wood flour, improvements were determined in the mechanical values in general. Tensile modulus, flexural strength and flexural modulus of the composites were improved with the increase in wood flour loading ratio. A sharp decrease was observed in the elongation at break values. When the morphological properties were examined, it was observed that the wood flours were homogeneously dispersed in the polymer matrix, the polymer matrix wrapped firmly around the RPF fibres, and it shows that the interface interaction is nevertheless robust even after the fracture of samples. As a result, it was concluded that waste dahoma wood flours might be evaluated in the production of wood-plastic composites.

Keywords

Dahoma (Piptadeniastrum africanum), wood plastic composites, mechanical and morphological properties.

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