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Dergiler / Wood Industry and Engineering / 2025 / Cilt: 7 Sayı: 2

ORTA YOĞUNLUKLU LİF LEVHALARDA KULLANILAN GENİŞLETİLMİŞ VERMİKÜLİTİN TERMAL VE YANGINA DAYANIKLILIK, HİGROSKOPİK, FİZİKSEL VE MEKANİK ÖZELLİKLERİNİN ARAŞTIRILMASI

INVESTIGATION OF THERMAL AND FIRE RESISTANCE, HYGROSCOPIC, PHYSICAL, AND MECHANICAL PROPERTIES OF EXPANDED VERMICULITE USED IN MEDIUM-DENSITY FIBERBOARDS

Seda Nur Demirel(KAHRAMANMARAS SUTCU IMAM UNIVERSITY, FACULTY OF FOREST)0009-0009-0181-2442
Fatih Mengeloğlu(KAHRAMANMARAŞ SÜTÇÜ İMAM ÜNİVERSİTESİ)0000-0002-2614-3662
Sayfa
12–21
Yayın Tarihi
2025-12-31
DOI
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Ayrıca, V/F içeriğinin artması, MDF yapısı içinde magnezyum alüminosilikat kil minerali olarak genişlemiş vermikülitin varlığına atfedilen kalınlık şişmesi ve su emme davranışında iyileşmeye yol açtı.

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Amaç & Hipotez:Bu çalışmada, iyi bilinen bir yangın dirençli malzeme olan genişletilmiş vermikülit içeren orta yoğunluklu fiber levhanın (MDF) yanıcılık davranışı, sınır oksijen indeksi (LOI), koni kalorimetrisi, formaldehit emisyonu ve perforatör ölçümleri kullanılarak değerlendirilmiştir.
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Temel Bulgular & Veri:Ayrıca, vermikülitin magnezyum alüminosilikat kil minerali olması nedeniyle MDF'nin suyla ilgili özellikleri üzerindeki etkisi araştırılmıştır.
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Sonuç & Katkı:Ayrıca, V/F içeriğinin artması, MDF yapısı içinde magnezyum alüminosilikat kil minerali olarak genişlemiş vermikülitin varlığına atfedilen kalınlık şişmesi ve su emme davranışında iyileşmeye yol açtı.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Genişletilmiş vermikülit · Alev geciktirici · Ateşe dayanıklı

Özet

Bu çalışmada, iyi bilinen bir yangın dirençli malzeme olan genişletilmiş vermikülit içeren orta yoğunluklu fiber levhanın (MDF) yanıcılık davranışı, sınır oksijen indeksi (LOI), koni kalorimetrisi, formaldehit emisyonu ve perforatör ölçümleri kullanılarak değerlendirilmiştir. Ayrıca, vermikülitin magnezyum alüminosilikat kil minerali olması nedeniyle MDF'nin suyla ilgili özellikleri üzerindeki etkisi araştırılmıştır. MDF paneller melamin-üre-formaldehit (MUF) yapıştırıcı ile yapıştırılmış ve fiziksel ve mekanik özellikleri de karakterize edilmiştir. LOI sonuçları, vermikülit-lif (V/F) oranının artmasıyla oksijen indeksi değerlerinde kademeli bir iyileşme olduğunu göstermiştir. Konik kalorimetre testleri, tutuşma süresinde bir artış ve ısı salım hızında (HRR) bir azalma olduğunu göstererek vermikülitin yangın performansı üzerindeki olumlu etkisini doğruladı. MUF reçinesi kullanılmasına rağmen, paneller nispeten yüksek formaldehit emisyon seviyeleri sergiledi. Ayrıca, V/F içeriğinin artması, MDF yapısı içinde magnezyum alüminosilikat kil minerali olarak genişlemiş vermikülitin varlığına atfedilen kalınlık şişmesi ve su emme davranışında iyileşmeye yol açtı.

Abstract

In this study, the flammability behaviour of medium-density fibreboard (MDF) incorporating expanded vermiculite, a well-known fire-resistant material, was evaluated using limiting oxygen index (LOI), cone calorimetry, formaldehyde emission, and perforator measurements. In addition, the influence of vermiculite on the water-related properties of MDF was investigated, owing to its nature as a magnesium aluminosilicate clay mineral. The MDF panels were bonded with a melamine–urea–formaldehyde (MUF) adhesive, and their physical and mechanical properties were also characterised. The LOI results indicated a progressive improvement in oxygen index values with increasing vermiculite-to-fibre (V/F) ratio. Cone calorimeter tests showed an increase in time to ignition and a reduction in heat release rate (HRR), confirming the positive effect of vermiculite on fire performance. Despite the use of MUF resin, the panels exhibited relatively high formaldehyde emission levels. Furthermore, increasing V/F content led to improved thickness swelling and water absorption behaviour, which is attributed to the presence of expanded vermiculite as a magnesium aluminosilicate clay mineral within the MDF structure.

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Bu Makaleye Atıf Yap

Demirel, S. N., Mengeloğlu, F., *, S. N. D. (2025). ORTA YOĞUNLUKLU LİF LEVHALARDA KULLANILAN GENİŞLETİLMİŞ VERMİKÜLİTİN TERMAL VE YANGINA DAYANIKLILIK, HİGROSKOPİK, FİZİKSEL VE MEKANİK ÖZELLİKLERİNİN ARAŞTIRILMASI. Wood Industry and Engineering, Cilt: 7 Sayı: 2, 12–21. https://ajindex.com/articles/1237217

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