Endüstriyel Amaçlı Düşük Yoğunluklu Polietilen ile Al-Zn Borat Karışımlarının Geliştirilmesi

Abstract

Bu çalışmada, ambalaj, tel ve kablo endüstrileri için düşük yoğunluklu polietilen ile alüminyum-çinko borat karışımlarının geliştirilmesi incelenmiştir. Alüminyum-çinko borat, farklı moleküler ağırlık ve mekanik ve fiziksel özelliklere sahip düşük yoğunluklu polietilende katkı maddesi olarak kullanılmıştır. Örneklerin eriyik akış hızları alüminyum-çinko borat miktarına bağlı olarak azalmıştır. Alüminyum-çinko borat oranları ağırlıkça %0-1 olduğunda çekme dayanımı değerlerinde artış, alüminyum-çinko borat oranları ağırlıkça %5-10 olduğunda ise azalma gözlenmiştir. Numunelerin çekme dayanımı değerleri ağırlıkça %0 alüminyum-çinko boratlı numunede 12.28MPa, ağırlıkça %10 alüminyum-çinko boratlı numunede 5.91MPa olarak ölçülmüştür. Filmin kopma uzaması ağırlıkça %0 alüminyum-çinko borat ile yüzde 507,3 iken, filmin ağırlıkça %10 alüminyum-çinko borat ile uzama değeri yüzde 285,5 oldu. Termogravimetrik analiz sonuçlarına göre, alüminyum-çinko borat ilavesiyle polimerlerin ısıl kararlılığının değiştiği gözlenmiştir. Sıcaklık değerleri açısından kütle kayıplarına bakıldığında F2-21T numunesi en yüksek ısıl dayanıklılığa ulaşmıştır. F5-21T'nin termal kararlılığı önemli ölçüde artarken, I22-19T'nin termal kararlılığı da arttı. Sonuçlar, tüm kompozitlerin paketleme, tel ve kablo uygulamalarında daha fazla kullanım için uygun olduğunu gösterdi.

Keywords

• Alüminyum-Çinko borat
• düşük yoğunluklu polietilen
• mekanik ve termal özellikler
• polimer karışımlar
• endüstriyel uygulamalar

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