Journals / Artvin Çoruh Üniversitesi Orman Fakültesi Dergisi / 2022 / Cilt: 23 - Sayı: 1

The usability of old newspaper fibers in the production of biocomposite

Atık gazete kağıdı liflerinin biyokompozit üretiminde kullanılabilirliği

Pages
44–50
Publication Date
2022-10-11
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

It has been seen that recycled newspaper and PLA are two organic components that are much more compatible with each other than other thermoplastics and that they are easily degradable in nature.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, the usability of polylactic acid (PLA) with recycled newspaper fiber was investigated.
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Key Findings & Data:When the results of flexural strength values of plastic composites were examined, it was determined that the ratio of recycled newspaper fiber decreased the flexural resistance.
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Conclusion & Impact:It has been seen that recycled newspaper and PLA are two organic components that are much more compatible with each other than other thermoplastics and that they are easily degradable in nature.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this study, the usability of polylactic acid (PLA) with recycled newspaper fiber was investigated. It was examined in terms of mechanical, thermal and optical properties. When the results of flexural strength values of plastic composites were examined, it was determined that the ratio of recycled newspaper fiber decreased the flexural resistance. The flexural modulus of elasticity of plastic composites increased with the amount of added fiber. The tensile strengths decreased with the addition of recycled newspaper fiber. The thermal resistance decreased further with the recycled newspaper fiber added to the medium. When the DSC analysis results were examined, it was observed that the glass transition temperature of the recycled newspaper paper fiber decreased by 1 ̊C and slowed down the cooling. With FTIR-ATR characterization, it was determined that the characteristic peaks of PLA and recycled newspaper fiber overlapped due to similar bond types. While PLA is a permeable material, the permeability for optical properties decreased with the addition of fiber. Therefore, the SO brightness decreased from 55% to 5.15% with 10% fiber addition compared to the control, and the brightness increased to 6.07% by increasing the ratio to 30%. As a result, it has been determined that there is no harm in using PLA and waste newspaper fiber together, and it has a positive effect. It has been seen that recycled newspaper and PLA are two organic components that are much more compatible with each other than other thermoplastics and that they are easily degradable in nature.

Özet

Bu çalışmada, polilaktik asidin (PLA) atık gazete kãğıdı lifi (AGKL) ile kullanılabilirliği araştırılmıştır. Mekanik, termal ve optik özellikler açısından incelenmiştir. Plastik kompozitlerin eğilme direnci sonuçları incelendiğinde atık gazete kãğıdı lifi oranının eğilme direncini azalttığı tespit edilmiştir. Plastik kompozitlerin eğilmede elastikiyet modülü, ilave edilen lif miktarı ile artmıştır. Atık gazete kãğıdı ilavesi ile çekme dirençleri azalmıştır. Ortama ilave edilen atık gazete kãğıdı lifi ile termal dayanım daha da azalmıştır. DSC analiz sonuçları incelendiğinde atık gazete kãğıdı lifinin camsı geçiş sıcaklığını 1 ̊C düşürdüğü ve soğumayı yavaşlattığı görülmüştür. FTIR-ATR karakterizasyonu ile PLA ile AGKL’nin karakteristik piklerinin benzer bağ türlerinden dolayı üst üste çakıştığı tespit edilmiştir. PLA geçirgen bir malzeme iken optik özelliklerde AGKL ilavesi ile geçirgenlik azalmıştır. Bu nedenle %10 lif ilave edildiğinde ISO parlaklığı kontrole göre %55' ten %5.15' e düşmüş, lif oranı %30’a çıkarıldığında ise parlaklık %6.07' ye yükselmiştir. Sonuç olarak PLA ve atık gazete kãğıdını birlikte kullanımının olumlu etkisi olduğu tespit edilmiştir. AGKL ve PLA'nın diğer termoplastiklere göre birbiriyle çok daha uyumlu ve doğada kolayca parçalanabilen iki bileşen olduğu görülmüştür.

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Cite This Article

PEŞMAN, E., YILDIZ, H. E., TORUN, S. B., ÇAVDAR, A. D. (2022). The usability of old newspaper fibers in the production of biocomposite. Artvin Çoruh Üniversitesi Orman Fakültesi Dergisi, Cilt: 23 - Sayı: 1, 44–50. https://ajindex.com/articles/450538

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