Mantar Üretimi Atık Liflerinin Polikaprolakton (Pcl) Esaslı Biyokompozit Malzeme Üretiminde Kullanım Olanaklarının Araştırılması

Yıl 2022, Cilt: 22 Sayı: 3, 280 - 288, 23.12.2022

Gonca Düzkale Sözbir Fatih Mengeloğlu Kadir Karakuş Mesut Yalçın Çağlar Akçay

https://doi.org/10.17475/kastorman.1215362

Öz

Çalışmanın amacı: Lentinus edodes mantarının yetiştirilmesinde kullanılan meşe ve kayın odunu atıklarının pcl biyokompozit film malzemenin üretiminde kullanım olanakları araştırılmıştır.
Materyal ve yöntem: Lentinus edodes mantarı her iki lignoselülozik atık türünde 2 hasat periyoduna tabi tutulmuş ve eşit bozunma süreleri elde edilmiştir. Bozunan liflerin kimyasal içerikleri belirlenmiştir. Ardından %15 ve %30 ham ve bozunmuş lifler kullanılarak üretilen pcl biyokompozit filmin mekanik özelliklere etkisi bulunmuştur. Kompozit malzemenin su alma ve kalınlığına şişme değerleri bulunmuştur.
Temel sonuçlar: Meşe ve Kayın odununun Lentinus edodes mantarı bozunumu sonucunda, holoselüloz ve lignin içeriğinin azaldığı, selüloz ve alfa selüloz içeriğinin arttığı tespit edilmiştir. Meşe ve kayın atığı kullanılarak üretilen filmin yoğunluğunun arttığı belirlenmiştir. En yüksek artış %30 lif ilave edilerek üretilen filmlerden elde edilmiştir. Pcl kompozit filmin çekme mukavemeti ve kopma uzama değerlerinin azaldığı ve elastisite modülü değerinin arttığı tespit edilmiştir. Genel olarak, kontrol örneğine göre filmin su alma miktarının arttığı bulunmuştur.
Araştırma vurguları: Mantar atıklarının, polimer malzeme üretimine uygunluğunu araştırmak

Anahtar Kelimeler

Meşe ve Kayın Odunu, PCL Biyokompozit, Kimyasal ve Mekanik Özellikler

Investigation of Usage Possibilities of Mushroom Production Waste Fibers in Polycaprolactone (PCL) Based Biocomposite Material Production

Öz

Aim of study: The possibilities of using oak and beech wood wastes used in the cultivation of Lentinus edodes fungus in the production of pcl biocomposite film material were investigated.
Material and methods: Lentinus edodes mushroom was subjected to 2 harvest periods in both lignocellulosic waste types and equal degradation times were obtained. Chemical contents of degraded fibers were determined. Then, the effect of pcl biocomposite film produced using 15% and 30% raw and degraded fibers on mechanical properties was found. The water uptake and swelling values of the composite material were determined.
Main results: As a result of lentinus edodes fungus degradation of Oak and Beech wood, it was determined that holocellulose and lignin contents decreased, while cellulose and alpha cellulose contents increased. It was determined that the density of the film produced by using oak and beech waste increased. The highest increase was obtained from the films produced by adding 30% fiber. It was determined that the tensile strength and elongation at break values of pcl composite film decreased and the modulus of elasticity increased. In general, it was found that the water uptake of the film increased compared to the control sample.
Highlights: To investigate the suitability of mushroom waste for polymer material production

Anahtar Kelimeler

Oak and Beech Wood, PCL Biocomposite, Chemical and Mechanical Properties, Meşe ve Kayın Odunu, PCL Biyokompozit, Kimyasal ve Mekanik Özellikler

Kaynakça

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