Strategic Solvent System Tuning for the Development of PVDF and TPU Nanofibers

Yıl 2024, Cilt: 4 Sayı: 1, 162 - 174, 31.01.2024

Ömer Faruk Ünsal , Ayşe Bedeloğlu

https://doi.org/10.61112/jiens.1372248

Öz

In this study, we have achieved the successful fabrication of polyvinylidene fluoride (PVDF) and thermoplastic polyurethane (TPU) nanofiber samples. The key element of our investigation revolved around the manipulation of solvent systems, specifically by varying the dimethyl formamide (DMF) to acetone ratio. Our primary objective was to explore the intricate interplay between the chosen solvent system and the resultant fiber morphology. To accomplish this, we employed a multifaceted approach, which encompassed the utilization of scanning electron microscopy (SEM) to provide a comprehensive visual representation of the nanofiber structures and dimensional measurements to quantify their physical attributes. Furthermore, fourier-transform infrared (FT-IR) spectroscopy was employed to delve into the molecular-level alterations induced by the solvent systems on the macromolecular morphology of the polymer nanofibers. This systematic examination not only contributes to a deeper understanding of the nanofiber fabrication process but also holds significant potential for various applications in the realm of materials science and nanotechnology.

Anahtar Kelimeler

Electrospinning, Poly(vinylidene flouride), thermoplastic polyurethane, nanofibers, morphological analysis

PVDF ve TPU Nanoliflerinin Geliştirilmesi için Stratejik Solvent Sistemi Optimizasyonu

Öz

Bu çalışmada, poliviniliden florür (PVDF) ve termoplastik poliüretan (TPU) nanolif örnekleri başarılı bir şekilde üretilmiştir. Araştırmamızın ana unsuru, çözücü sistemlerin manipülasyonu esasına dayanarak özellikle dimetilformamid (DMF) ile aseton oranının değiştirilmesiyle ilgilidir. Hedeflenen temel amaç ise seçilen çözücü sistemi ile sonuçta oluşan fiber morfolojisi arasındaki karmaşık etkileşimi keşfetmek olarak belirlenmiştir. Bu bağlamda farklı çözücü sistemleri kullanılarak elektro-üretim yoluyla üretilmiş nanolifli yapılar taramalı elektron mikroskobu ile görüntülenmiş, elde edilen görüntüler üzerinden boyutsal ölçümler gerçekleştirilerek veriler analiz edilmiştir. Ayrıca, Fourier dönüşümü kızılötesi (FT-IR) spektroskopisi kullanılarak çözücü sistemlerin polimer nanofiberlerin makromoleküler morfolojisi üzerindeki değişiklikler tespit edilmiştir. Bu sistemli inceleme, nanofiber üretim sürecinin daha derin bir şekilde ortaya koymuş tur.

Anahtar Kelimeler

Elektroüretim, poliviniliden florür, termoplastik poliüretan, nanolifler, morfolojik analiz

Kaynakça

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