Biyopolimerler ve Montmorillonit Kil Nanokompozitleri, sayfa: 663-673

Nevin ÇANKAYA, Özlem SÖKMEN

Özet


Biyopolimerlerin, termoset ve termoplastik polimerlerden farklı olarak biyolojik olarak parçalanabilmesi, doğaya uyumlu olması, atık miktarlarında azalma sağlaması gibi özelliklere sahip olması onlara olan ilgiyi arttırmıştır. Biyonanokompozitlerin düşük maliyet ve yüksek üretim hızlarında üretilmeleri; üstün mekanik, gaz bariyer ve termal özelliklere sahip olmalarından dolayı petrokimyasal bazlı polimerlerden üretilen nanokompozitlerden daha fazla rağbet görmektedir. Sürekli artan küresel nüfus, plastik atıkların miktarında artışa sebep olmaktadır. Atıkların yarattığı problemler, alternatif kaynak arayışları ve küresel ısınmaya neden olan CO2 gazının artışı, bilim adamlarını ve üreticileri biyobozunur polimerler konusunda çalışmalar yapmaya yönlendirmiştir. Bu çalışmada kitosan, selüloz, nişasta, polilaktikasit ve aljinat biyopolimerleri ile montmorillonit (MMT) kili kullanarak elde edilen biyonanokompozitlerin sentezi, karakterizasyonu ve hangi alanlarda kullanılabileceği araştırılmış ve şimdiye kadar yapılmış olan çalışmalar irdelenmiştir.


Anahtar Kelimeler


Kitosan, selüloz, nişasta, polilaktikasit, aljinat, biyonanokompozit, montmorillonit kil.

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