Plastik mobilya atıkları ve odun unu ile üretilen kompozit malzemenin seçili bazı özellikleri

Öz

Bu çalışmada, atık plastik mobilya parçaları ve odun unu kullanılarak kompozit levhalar üretilmiştir. Kompozit levhaların hazırlanmasında, %0, %15, %30 ve %45 oranlarında odun unu kullanılmıştır. Böylece 1 kontrol ve 3 kompozit grubu oluşturulmuştur. Levhalar 3.5x175x175 mm (kalınlık, genişlik, uzunluk) ölçülerinde üretilmiştir. Üretilen kompozit levhaların yoğunluk, eğilme direnci, eğilmede elastikiyet modülü, kopmada deformasyon, çekme direnci, çekmede elastikiyet modülü, kopmada uzama ve sertlik testleri ile termo gravimetrik analiz (TGA) ve diferansiyel taramalı kalorimetre (DSC) analizi yapılmıştır. Elde edilen verilere göre; kontrol grubuna göre kompozit gruplarındaki odun unu yüzdesi arttıkça eğilme direnci, kopmada deformasyon, çekme direnci ve kopmada uzama değerlerinin azaldığı, buna karşılık, yoğunluk, sertlik, eğilmede elastikiyet ve çekmede elastikiyet değerlerinin arttığı belirlenmiştir. TGA ve DSC analizi sonuçlarına göre atık plastik mobilya parçalarının doğrusal alçak yoğunluklu polietilen (DAYPE) ve polipropilen (PP) polimer malzemelerden oluştuğu, ayrıca odun unu oranının artmasıyla kompozit malzemelerin bozunma sıcaklığının kısmen arttığı anlaşılmıştır.

Anahtar Kelimeler

• Atık plastik mobilya
• kompozit malzeme
• odun unu

Some selected properties of composite material produced from plastic furniture waste and wood flour

Öz

In this study, composite boards were produced using waste plastic furniture parts and wood flour. Wood flour was used at rates of 0%, 15%, 30% and 45% in the preparation of composite boards. Thus, 1 control and 3 composite groups were created. The boards are produced in dimensions of 3.5x175x175 mm (thickness, width, length). Density, flexural strength, flexural modulus, deformation at break, tensile strength, tensile modulus, elongation at break, hardness tests and thermal gravimetric analysis (TGA) and differential scanning calorimeter (DSC) analysis were performed on the produced composite boards. According to the obtained data, it was determined that as the percentage of wood flour in the composite groups increased compared to the control group, the values of flexural strength, deformation at break, tensile strength and elongation at break decreased whereas the values of density, hardness, flexural modulus and tensile modulus increased. According to the TGA and DSC analysis results, it was understood that the waste plastic furniture parts were composed of linear low density polyethylene (LLDPE) and polypropylene (PP) polymer materials, also the decomposition temperature of the composite materials partially increased with the increase in the percentage of wood flour.

Anahtar Kelimeler

• Waste plastic furniture
• composite material
• wood flour

Kaynakça

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