Lignoselülozik Atıklardan Üretilen Mineral Esaslı Levhalar: 1. Bölüm - Fiziksel ve Mekanik Özellikler

Year 2020, Volume: 11 Issue: 2, 142 - 149, 07.12.2020

Ömer Yalçın Ali İhsan Kaya , Halil Turgut Şahin

https://doi.org/10.29048/makufebed.722095

Cited By: 2

Abstract

Lignoselülozik atık olarak değerlendirilen patlıcan ve domates sapları ile olivin ve dolomit minerallerinin belli oranlarda karışımı ile yonga levha üretimi olanakları bazı fiziksel ve mekanik testlerle araştırılmıştır. Bu bağlamda levhaların kalınlık artım oranı (%), su emme miktarı (%), yüzeye dik çekme direnci, eğilme direnci (MOR), elastikiyet modülü (MOE) ve renk özellikleri (CIE, L, a, b) üzerine araştırma yapılmıştır. Minerallerin türü ve içeriğinin test örneklerinin kalınlık artım ve su alma miktarlarını etkilediği gözlemlenmiştir. Test levhalarının yüzeye dik çekme direnç değerlerinin genellikle standart değer olan 0.28 N/mm2 daha yüksek olduğu, ayrıca domates sapı/dolomit karışımı ile üretilen levhaların eğilme direnci özelliklerinin, benzer imalat koşullarında olivinle üretilenlere göre daha yüksek MOR değerleri gösterdiği bulunmuştur. Bununla birlikte, domates/patlıcan sapları ile dolomit/olivin karışımından oluşan levhaların tüm üretim koşullarında standart değerden daha düşük MOE değerleri gösterdiği anlaşılmıştır.

Keywords

Lignoselülozik atık, mekanik özellikler, yonga levha, fiziksel özellikler

Mineral Based Boards made from Lignocellulosic Wastes: 1st Part - Physical And Mechanical Properties

Abstract

Lignocellulosic waste of eggplant and tomato stalks has used with minerals of olivine and dolomit at various proportions to produce experimental particleboards that have subject to some physical and mechanical tests. In this regards, Thickness Swelling in water (TS, %), Water Absorption (WA, %), Internal Bond (IB), Bending Strength (MOR), Modulus of Elasticity (MOE) and color properties (CIE,L,a,b) of the boards were examined. It has observed that type and content of minerals effects TS and WA of test panels. Besides the internal bond strength values of the test boards that were generally higher than 0.28 N/mm2, it was found that the bending resistance properties of the boards produced with tomato stalk/dolomite mixture show higher MOR values in similar manufacturing conditions than those produced with olivine. However, boards prepeared from tomato/eggplant stalks proportions with dolomite/olivine mixture sho lower MOE values than the standard value in all production conditions.

Keywords

Lignocellulosic waste, mechanical properties, particleboard, physical properties

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