INVESTIGATION AND ANALYSIS OF NEW FIBER FROM ALLIUM FISTULOSUM L. (SCALLION) PLANT’S TASSEL AND ITS SUITABILITY FOR FIBER-REINFORCED COMPOSITES

Abstract

Eco-friendly materials receive more attention due to the necessity of addressing pollution and resource depletion in the face of exponential industrial expansion. Natural fibers provide a sustainable substitution, especially in green composites. This study investigated the feasibility of Allium fistulosum L. (Scallion) as a fiber resource for composite applications by using its tassel. Allium fistulosum L. is derived from a widely available plant and its waste tassels of the plant provide fiber properties and have the potential to be a reinforcing component in composites. The investigation involves characterizing Allium fistulosum L. (AfL) fibers through various analyses. The density of the AfL was determined approximately 1.35 – 1.45 g/cm3. The percentages of lignin, hemicellulose, and cellulose were found to be 24.31%, 29.73%, and 38.36%, respectively. FTIR and XRD analysis affirm AfL's cellulose, hemicellulose, and lignin presence. SEM images indicate a rough surface, necessitating modification for better matrix compatibility. TGA shows suitable thermal stability, majorly degrading beyond 267°C. Tensile testing demonstrates a tensile strength of 22.19 ±3.75 MPa and 0.87 ±0.16 GPa modulus, exceeding some natural fibers like aerial banyan tree roots and Cordia dichotoma. Results show promising features, indicating the viability of AfL fibers in composites with reduced environmental impact and economic benefits.

Keywords

• Allium fistulosum L.
• Tassel
• waste fiber
• sustainability
• composite

Allium fistulosum L. (Yeşil Soğan) Bitkisinin Püskülünden Elde Edilen Lifin İncelenmesi ve Lif Takviyeli Kompozitler İçin Uygunluğunun Analizi

Abstract

Çevre dostu malzemeler, sanayinin giderek büyümesi karşısında kirlilik ve kaynakların tükenmesi konularının ele alınması gerekliliği nedeniyle daha fazla ilgi görmektedir. Doğal lifler, özellikle yeşil kompozitlerde sürdürülebilir bir ikame sağlamaktadır. Bu çalışmada, Allium fistulosum L. (Yeşil Soğan) bitkisinin püskülü kullanılarak kompozit uygulamaları için bir lif kaynağı olarak kullanımı araştırılmıştır. Allium fistulosum L. (AfL) yaygın olarak bulunan, yenen bir sebzedir. Bu bitkiye ait atık püskülleri lif özelliklerini göstermekte olup kompozitlerde takviye edici bir bileşen olma potansiyeline sahiptir. Bu çalışma, AfL liflerinin çeşitli analizler yoluyla karakterize edilmesini ve kompozitlere olan uygunluk analizini içermektedir. AfL'nin yoğunluğu yaklaşık 1.35 – 1.45 g/cm3 olarak belirlenmiştir. Selüloz, hemiselüloz ve lignin yüzdesi sırasıyla %38.36, %29.73 ve %24.31 olarak tespit edilmiştir. FTIR ve XRD analizleri AfL'nin selüloz, hemiselüloz ve lignin varlığını doğrulamaktadır. SEM görüntüleri, daha iyi matris uyumluluğu için modifikasyon gerektiren pürüzlü bir yüzeye işaret etmektedir. TGA, 267°C'nin ötesinde büyük ölçüde bozunarak uygun termal kararlılık göstermektedir. Mukavemet testi, 22.19 ±3.75 MPa'lık çekme mukavemeti ve 0.87 ± 0.16 GPa'lık bir elastisite modül göstermekte olup, aerial banyan tree roots ve Cordia dichotoma gibi bazı doğal liflerden mukavemetli olduğunu göstermiştir. Sonuçlar, AfL liflerinin kompozitlerde kullanımının çevresel etkiyi azaltabileceği ve ekonomik faydalar ile uygulanabilirliğini gösteren umut verici özellikler göstermektedir.

Keywords

• Yeşil soğan
• püskül
• atık lif
• sürdürülebilirlik
• kompozit

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