ZİRKONYUM OKSİT İLAVESİNİN ELEKTROEĞİRME YÖNTEMİ İLE ÜRETİLEN POLİ(METİL METAKRİLAT) FİBERLERİN ÖZELLİKLERİ ÜZERİNE ETKİSİ

Öz

Bu çalışmanın amacı, elektroeğirme yöntemi ile poli(metil metakrilat) (PMMA)/zirkonyum oksit (ZrO2) kompozit fiberleri üretmek ve ZrO2 ilavesinin PMMA/ZrO2 fiberlerinin özellikleri üzerindeki etkisini araştırmaktır. Farklı miktarlarda ZrO2 nanopartikülleri (%1, 2,5 ve 5) içeren %10 ve %15 ağırlık oranlarında PMMA’dan oluşan fiberler optimize edilmiş bir elektrik alan potansiyelinde üretilmiştir. Fiberlerin kimyasal yapısı ve yüzey morfolojisi, SEM-EDS, XRD ve FTIR kullanılarak analiz edildi. ZrO2 nanopartikül ilavesinin fiberlerin termal özellikleri üzerindeki etkisi TGA ve DTG ile incelendi. Morfolojik gözlemler, ağırlıkça %2,5 ve %5 ZrO2 (PMMA-10/ZrO2-2.5 ve PMMA-10/ZrO2-5) nanopartiküllerinin, polimer zincir etkileşimi sayesinde ağırlıkça %10 PMMA içeren polimer matrisine iyi dağılabildiğini göstermiştir. Fiber oluşumu, PMMA-10 fiberlerine kıyasla ZrO2 miktarının artmasıyla iyileşme göstermiştir. Kuvars kristal mikro terazisi (QCM) sensörü, PMMA-10, PMMA-10/ZrO2-2.5 ve PMMA-10/ZrO2-5 fiberleriyle kaplanmış materyallerin pH 7.0'deki davranışını değerlendirmek için kullanılmıştır. Sonuçlar, PMMA-10/ZrO2-5 fiberleriyle kaplanmış QCM elektrodunun PMMA-10/ZrO2-2.5 fiberlerinden daha iyi performans sergilediğini göstermiştir.

Anahtar Kelimeler

• Elektroeğirme
• Fiber
• Poli(Metil Metakrilat)
• Kuvars Kristal Mikro Terazisi
• Zirkonyum Oksit

EFFECT OF ZIRCONIUM OXIDE ADDITION ON THE PROPERTIES OF POLY(METHYL METHACRYLATE) ELECTROSPUN FIBERS

Öz

The aim of this study was to produce poly(methyl methacrylate) (PMMA)/zirconium oxide (ZrO2) electrospun composite fibers and to investigate the effect of ZrO2 addition on the properties of PMMA/ZrO2 fibers. A series of fibers with 10 and 15 wt% of PMMA containing different amounts of ZrO2 nanoparticles (1, 2.5 and 5 wt%) were produced at an optimal electric field potential. The chemical structure and surface morphology of the fibers were analyzed using SEM-EDS, XRD, and FTIR. The effect of ZrO2 nanoparticles addition on the thermal properties of the fibers was studied with TGA and DTG. The morphological observations showed that 2.5 and 5 wt% ZrO2 (PMMA-10/ZrO2-2.5 and PMMA-10/ZrO2-5) nanoparticles could be well-dispersed into 10 wt% PMMA polymer matrix due to the polymer chain interaction. The formation of fibers showed improvement with the increase in the amount of ZrO2 compared to PMMA-10 fibers. A quartz crystal microbalance (QCM) sensor was utilized to evaluate the behavior of materials coated with PMMA-10, PMMA-10/ZrO2-2.5, and PMMA-10/ZrO2-5 fibers at pH 7.0. The results indicated that the QCM electrode coated with PMMA-10/ZrO2-5 fibers performed better than PMMA-10/ZrO2-2.5 fibers.

Anahtar Kelimeler

• Electrospinning
• Fiber
• Poly(Methyl Methacrylate)
• Quartz Crystal Microbalance
• Zirconium Oxide

Kaynakça

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