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  • Süleyman Demirel Üniversitesi Fen Edebiyat Fakültesi Dergisi
  • Volume:10 Issue:1
  • Nanokil Katkılı PVA/Kitosan Nanolif Sentezi ve Karakterizasyonu

Nanokil Katkılı PVA/Kitosan Nanolif Sentezi ve Karakterizasyonu

Authors : Şengül ÇİFTÇİ, Selda ÖZEK, Sennur ALAY AKSOY, Kasım AKSOY, Fethiye GÖDE
Pages : 118-128
Doi:10.29233/sdufeffd.134825
View : 44 | Download : 15
Publication Date : 2015-07-27
Article Type : Research Paper
Abstract :Özet: Yapılan çalışmada, doğal bir polimer olan kitosan polimeri ile polivinil alkol insert ignore into journalissuearticles values(PVA); polimeri kullanılarak elektrostatik lif çekim insert ignore into journalissuearticles values(elektrospinning); yöntemi ile nananolif eldesi gerçekleştirilmiştir. Çapraz bağlayıcı olarak çözeltiye gluteraldehit insert ignore into journalissuearticles values(GA); ilave edilmiştir. Çekilen nanoliflerin arasına nanokil konularak PVA/Kitosan nanolif-nanokil yüzey elde edilmiştir. Elde edilen nanokil katkılı PVA/Kitosan nanolif yüzeyin taramalı elektron mikroskobu insert ignore into journalissuearticles values(SEM); görüntüleri alınarak lif morfolojisi ve lif boyutları incelenmiş ve lif çaplarının 110-140 nm arasında oluştuğu görülmüştür. FT-IR analizleri ile elde edilen yüzeyin yapısındaki fonksiyonel gruplar incelenmiş, çapraz bağların oluştuğu gözlenmiştir. TGA insert ignore into journalissuearticles values(termal gravimetrik analiz); yöntemi kullanılarak sıcaklık değişimi ile numunedeki ağırlık kaybı incelenmiş ve iki aşamalı bozunmanın gerçekleştiği görülmüştür. Anahtar kelimeler: Nanolif, PVA, kitosan, elektrostatik lif çekim, nanokil Synthesis and Characterization of PVA/Chitosan Nanofiber Added Nanoclay Abstract: In this study, nanofibers have been prepared through the electrospinning method in which chitosan- a natural polymer- and polyvinyl alcohol insert ignore into journalissuearticles values(PVA); polymers were used. Gluteraldehide insert ignore into journalissuearticles values(GA); was added into the solution as cross-linker. A certain amount of nanoclay was added between the layers of the electrospun nanofibers to obtain PVA/Chitosan nanofiber and nanoclay layer. After that, the fiber morphology and fiber dimensions of the PVA/Chitosan nanofiber and nanoclay were examined by scanning electron microscope insert ignore into journalissuearticles values(SEM);. As a result, it was determined that the diameter of the fiber was between 110 and 140 nm. By FT-IR analysis, the functional groups in the structure of the nanofiber-nanoclay layer and whether the cross-linkers formed were examined. Finally, the change of temperature and the weight loss in the sample were examined through TGA insert ignore into journalissuearticles values(thermal gravimetric analysis); and it was observed that two-stage degradation occurred. Key words : Nanofiber, PVA, chitosan, electrospinning, nanoclay
Keywords : Nanolif, PVA, kitosan, elektrostatik lif çekim, nanokil

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