M. Hakkı ALMA, MUSTAFA YAZICI, Behzat YILDIRIM, TUFAN SALAN, İSMAİL TİYEK

SPUNBOND DOKUSUZ TEKSTİL YÜZEYİ ÜZERİNE ELEKTRO ÇEKİM YÖNTEMİ İLE NANO BOYUTTA GRAFEN KAPLANMASI VE KARAKTERİZASYONU

Bu çalışmada, modifiye Hummers yöntemi ile elde edilen grafen oksitten (GO) kimyasal yöntemle indirgenmiş grafen oksit (RGO) üretilmiştir. Üretilen RGO, farklı konsantrasyonlarda deiyonize su, dimetilformamid (DMF), N-metil-2-pirolidon (NMP), Tetrahidrofuran (THF), DMF/THF (1/1, ağ.%) çözücüleri içerisinde dispers edilmiştir. Bu karışımlar çok iğneli elektro çekim yöntemiyle farklı parametrelerde spunbond dokusuz yüzey üzerine çekilmiştir. RGO'nun kullanılan çözücüler arasından DMF ile herhangi bir polimere gerek duyulmadan elektro çekim yöntemi kullanılarak nano boyutta kaplanmasının mümkün olduğu belirlenmiştir. Elde edilen yüzeylere yapılan spektroskopik, morfolojik ve termal analiz sonuçlarından RGO'nun başarılı bir şekilde spunbond yüzeye kaplanarak özelliklerini değiştirdiği tespit edilmiştir.

COATING OF GRAPHENE ON THE SPUNBOND NON-WOVEN TEXTILE SURFACE VIA ELECTROSPINNING METHOD IN NANO SIZE AND ITS CHARACTERIZATION

In this study, reduced graphene oxide (RGO) was produced via chemical method using graphene oxide (GO) obtained by modified Hummer's method. Produced RGO was dispersed in deionized water, dimethylformamide (DMF), N-methyl-2pyrrolidone (NMP), tetrahydrofuran (THF), DMF/THF (1/1, wt%) solvents at different concentrations. These mixtures were spun on nonwoven spunbond surface using multi-needle electrospinning method at different spinning parameters. It was determined that RGO in DMF could be coated in nano size without any polymer addition using electrospinning method. According to results from spectroscopic, morphological and thermal analyses, it was determined that RGO was successfully coated on spunbond surface and changed the properties.

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