Graft Copolymerization of Glycidyl Methacrylate/ Acrylamide Monomer Mixture onto Polyethylene Terephthalate Fibers; Characterization and Investigation of Some Properties

Year 2025, Volume: 17 Issue: 1, 163 - 181

Arif Soysal , Mustafa Yiğitoğlu

Abstract

Polymers are highly important materials that are widely used in every aspect of our lives. Through grafting, polymers can be modified with desired monomers to acquire specific properties. Polyethylene terephthalate (PET) fibers possess many favorable characteristics such as cheap raw materials, low production costs, and high resistance to environmental effects. However, they also have disadvantages, such as limited water absorption capacity and dyeability due to their hydrophobic nature. This study aims to improve these negative aspects of PET using the graft copolymerization method. In the study, GMA (glycidyl methacrylate) and AAm (acrylamide) monomers containing different functional groups were grafted onto PET fibers using benzoyl peroxide (BPO) as the initiator. Additionally, lipase enzyme was immobilized on the grafted PET fibers, and the use of this immobilized enzyme in the hydrolysis of various types of oils was investigated. Ungrafted and grafted PET fibers were characterized using Scanning Electron Microscopy (SEM), Differential Scanning Calorimetry (DSC), Thermogravimetric Analysis (TGA), and Fourier Transform Infrared Spectroscopy (FTIR) to investigate the effects of various parameters on the grafting process. The water retention and dyeability properties of the grafted PET fibers were also demonstrated.

Keywords

PET,, GMA,, AAm,, Graft copolymerization

Ethical Statement

Derginize göndermiş olduğumuz Glisidil Metakrilat / Akrilamit Monomer Karışımının Polietilen Tereftalat Liflere Aşılanması; Karakterizasyon ve Bazı Özelliklerinin İncelenmmesi başlıklı çalışmanın bize ait, özgün bir çalışma olduğunu, çalışmamızın hazırlık, veri toplama, analiz ve bilgilerin sunumu olmak üzere tüm aşamalarında bilimsel etik ilke ve kurallara uygun davrandığımızı, bu çalışma kapsamında elde edilen tüm veri ve bilgiler için kaynak gösterdiğimizi, bu kaynaklara kaynakçada yer verdiğimizi, Committee on Publication Ethics (COPE)' in tüm şartlarını ve koşullarını kabul ederek etik görev ve sorumluluklara riayet ettiğimizi beyan ederiz. Herhangi bir zamanda, çalışmamızla ilgili yaptığımız bu beyana aykırı bir durumun saptanması durumunda, ortaya çıkacak tüm ahlaki ve hukuki sonuçları kabul ettiğimizi bildiririz.

Supporting Institution

KIRIKKALE ÜNİVERSİTESİ BİLİMSEL ARAŞTIRMALAR VE KOORDİNASYON BİRİMİ

Project Number

Bu çalışma Kırıkkale Üniversitesi Bilimsel Araştırmalar Projeler ve Koordinasyon Birimi tarafından desteklenmiştir. (2012/6) nolu proje

Thanks

Tezime 2012/6 projesi kapsamında gereken finansal desteği sağlayan Kırıkkale Üniversitesi Bilimsel Araştırmaları ve Koordinasyon Birimine (BAP) teşekkür ederim.

Glisidil Metakrilat/Akrilamid Monomer Karışımının Polietilen Tereftalat Liflere Aşılanması; Karakterizasyon ve Bazı Özelliklerinin İncelenmesi

Abstract

Polimerler, hayatımızın her alanında yaygın olarak kullanılan çok önemli materyallerdir. Aşılama ile polimerler, istenilen özelliklere sahip monomerler ile modifiye edilebilirler. Polietilen tereftalat (PET) lifler, ucuz hammaddesi, düşük üretim maliyetleri ve çevresel etkilere karşı çok dayanıklı olma gibi birçok olumlu özelliğe sahip olmasının yanısıra, hidrofobik karakterli olmasından dolayı, su tutma kapasitesi ve boyana bilirliğinin sınırlı olması gibi dezavantajlara da sahiptir. Bu çalışmayla aşı kopolimerizasyon yöntemi kullanılarak, PET’in bu olumsuz yönlerinin iyileştirmesi amaçlanmıştır. Böylece PET liflerin; enzim immobilizasyonu, doku mühendisliği gibi birçok biyoteknolojik uygulamalarda kullanılabilecek bir materyalin sentezlenmesi hedeflenmiştir. Çalışmada PET liflere, farklı fonksiyonel gruplar içeren GMA (glisidil metakrilat) ve AAm (akrilamit) monomerleri, benzoil peroksit (BPO) başlatıcısı kullanılarak aşılanmıştır. Monomer karışımının PET liflere aşılanmasına birçok parametrenin etkisi araştırılmıştır. Aşılanmamış ve aşılanmış PET lifler; Taramalı elektron mikroskobu (SEM), diferansiyel taramalı kalorimetre (DSC), termogravimetrik analiz (TGA), Fourier Dönüşümlü Kızılötesi Spektroskopisi (FTIR) ile karakterize edilmiştir. Ayrıca aşılanmış PET liflerin, su tutma ve boyanabilme özellikleri de araştırılmıştır.

Keywords

PET,, GMA,, AAm,, Aşı kopolimerizasyon

Project Number

Bu çalışma Kırıkkale Üniversitesi Bilimsel Araştırmalar Projeler ve Koordinasyon Birimi tarafından desteklenmiştir. (2012/6) nolu proje

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