Montmorillonit / HEC ve Sepiyolit / HEC Nanokompozitlerinin Termal Özelliklerinin Karşılaştırılması

Yıl 2018, Cilt: 18 Sayı: 1, 382 - 389, 30.04.2018

Sevim İşçi Nur Alan

Öz

Bu çalışmada hidroksietil seliloz (HEC) polimerinin yapısal ve termal özellikleri üzerine Na-Montmorillonit (NaMMT) yada Sepiolit (Sp) kil ilavelerinin etkilerini inceleyebilmek için kil-polimer nanokompozitleri hazırlanmıştır. Polimerik filmler HEC polimerinin sulu çözeltisi ile killerin sulu dispersiyonlarının birleştirilmesi esasına dayanan çözeltilerin birleştirilmesi yöntemi ile hazırlanmıştır. Suda çözülebilen polimer matrikslerinde çözeltilerin birleştirilmesi yöntemi polimerin kararlılığı, killerin kolayca dağılabilmesi bakımından kullanışlı bir yöntemdir. Hazırlanan nanokompoziteler Fourier Transform infrered (FT/IR) ve geçirimli elektron mikroskopisi (TEM) yöntemleri ile karakterize edilmiş, termal özellikleri termogravimetrik analiz (TGA) ve taramalı diferansiyel kalorimetri (DSC) yöntemleri ile araştırılmıştır.

Anahtar Kelimeler

Montmorillonit, Sepiyolit, HEC, Nanokompozit, Termal özellikler.

Kaynakça

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