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ERTEK, DİCLE AYÇA

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ERTEK

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DİCLE AYÇA

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    PublicationMetadata only
    Agro textiles - I
    (2021-11-01) ÖZEN, MUSTAFA SABRİ; PALA, NURSEMA; ERTEK, DİCLE AYÇA; AKYILDIZ, SİNEM HAZAL; USTA, İSMAİL; Özen M. S., Pala N., Ertek D. A., Akyıldız S. H., Usta İ.
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    PublicationOpen Access
    Environmentally friendly, antibacterial materials from recycled keratin incorporated electrospun PLA films with tunable properties
    (2023-02-17) ERTEK, DİCLE AYÇA; ERTEK D. A., ŞANLI N. Ö., Menceloglu Y. Z., Avaz Seven S.
    © 2022 Elsevier LtdThe traditional disposal of chicken feathers includes expensive and challenging steps such as incineration and burying in landfills. Keratin is a valuable component of chicken feather waste recycled from poultry industry. The fibrous intermediate protein nature along with unique chemical composition enables its use in food, pharmaceutical, cosmetics and agricultural industries. The current study proposes an innovative valorization of recycled keratin from chicken feathers combined with polylactic acid (PLA), a viable bio-based polymer obtained from plant-based food stock. As a novel application, this study explains the preparation, electrospinning parameter optimization and performance assessment of recycled keratin electrospun with PLA. The structural, thermal, thermo-mechanical, morphological, antibacterial and surface wetting properties of keratin-incorporated electrospun PLA films were investigated. The disruption of crystallinity, hence the processability of both biopolymer via electrospinning is demonstrated. The nanofiber size, thermal, thermo-mechanical, antibacterial and surface wetting properties of electrospun films can be tuned by keratin content. This study provides environmentally friendly, recycled, bio-based material alternatives with tunable material properties that can be used in multitude of applications including environmental food packaging.
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    PublicationOpen Access
    Polyvinyl alcohol (pva) / cellulose acetate (ca) based environmentally friendly hybrid filter production
    (2022-10-20) ERTEK, DİCLE AYÇA; YÜKSEK, METİN; Ertek D. A. , Yüksek M.
    Abstract: In this study, the development of filters made of spunbond fabric coated with nanofiber surface was studied. With Covid 19, filters have gained importance in terms of human health. In this study, it is aimed to produce filters by using cellulose acetate and polyvinyl alcohol materials with the help of solution blowing method. The purpose of choosing polyvinyl alcohol (PVA) raw material is that it is not toxic and not polluting the environment, has high chemical stability, high abrasion resistance and low cost. Cellulose acetate (CA) material was chosen because it is a renewable, biodegradable, low-cost and high-quality fiber source that can be used in many manufacturing processes. These two materials were chosen in order to make the produced filter environmentally friendly and biodegradable. For the samples produced; tensile strength and FT-IR tests were carried out.