jesd Mühendislik Bilimleri ve Tasarım Dergisi 1308-6693 Süleyman Demirel University 10.21923/jesd.1826919 Biomaterials in Biomedical Engineering Polymer Science and Technologies Biyomedikal Mühendisliğinde Biyomateryaller Polimer Bilimi ve Teknolojileri ZİRKONYUM OKSİT İLAVESİNİN ELEKTROEĞİRME YÖNTEMİ İLE ÜRETİLEN POLİ(METİL METAKRİLAT) FİBERLERİN ÖZELLİKLERİ ÜZERİNE ETKİSİ EFFECT OF ZIRCONIUM OXIDE ADDITION ON THE PROPERTIES OF POLY(METHYL METHACRYLATE) ELECTROSPUN FIBERS https://orcid.org/0000-0003-1036-0889 Elmas Alsını Tuğçe Gül Isparta Ağız ve Diş Sağlığı Merkezi https://orcid.org/0000-0002-2750-8977 Kürkçüoğlu Işın Süleyman Demirel Üniversitesi Diş Hekimliği Fakültesi Protetik Diş Tedavisi Ana Bilim dalı, ISPARTA https://orcid.org/0000-0003-1282-2477 Nohut Maşlakcı Neslihan ISPARTA UYGULAMALI BİLİMLER ÜNİVERSİTESİ, GELENDOST MESLEK YÜKSEKOKULU, ECZANE HİZMETLERİ BÖLÜMÜ https://orcid.org/0000-0002-9487-7350 Öksüz Ayşegül Süleyman Demirel Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Kimya Bölümü 12 30 2025 13 4 1078 1090 11 19 2025 12 08 2025 Copyright © 2010, Journal of Engineering Sciences and Design 2010 Journal of Engineering Sciences and Design

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.

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.

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