PFDoA KAPLI YÜZEYLERİN AMFİFOBİK ÖZELLİKLERİNİN İNCELENMESİ

Tugba Demir Çalışkan

doi:10.17780/ksujes.1822763

EN TR

INVESTIGATION OF AMPHIPHOBIC PROPERTIES OF PFDoA COATED SURFACES

Abstract

In this study, coatings with highly amphiphobic features developed through the chemical vapor deposition of perfluorododecanoic acid (PFDoA) onto a poly(glycidyl methacrylate) (PGMA) anchoring layer. Silicon wafers were employed as model substrates, while TiO₂–polyurethane (TiO₂–PU) composite films and filter papers served as rough surface models. The PGMA films were thermally annealed at 110°C to ensure strong adhesion to the substrate, followed by a chemical reaction with PFDoA. Contact angle measurements revealed that the water and hexadecane contact angles on PFDoA/PGMA-coated silicon surfaces were 108.2±1.1° and 67.6±1.5°, respectively. On rough substrates, a pronounced enhancement in oleophobic behavior was observed, with the hexadecane contact angle increasing to 81.4° on TiO₂–PU rough surfaces and reaching 95.5° on filter papers. In addition, PFDoA/PGMA-coated filter papers exhibited superhydrophobic characteristics, achieving a water contact angle of 129.4°. Free surface energy (FSE) calculations indicated that the surface energy of PGMA films decreased from 48.6 mN/m to 13.8 mN/m after deposition of an approximately 9.9 nm-thick PFDoA layer. These results demonstrate that the achieved surface energies are lower than that of polytetrafluoroethylene (PTFE,~18 mN/m), which is commonly regarded as a benchmark material for low-surface-energy applications, highlighting PFDoA-based nanocoatings as a potential alternative to PTFE.

Keywords

PFDoA KAPLI YÜZEYLERİN AMFİFOBİK ÖZELLİKLERİNİN İNCELENMESİ

Abstract

Bu çalışmada, yüksek amfifobik özellik gösteren kaplamaların geliştirilmesi amacıyla, poliglisidil metakrilat (PGMA) ara yüzeyi üzerine kimyasal buhar biriktirme yöntemiyle perflorododekanoik asit (PFDoA) kaplamaları hazırlanmıştır. Silikon tabakalar model yüzey olarak kullanılırken, TiO2–poliüretan (TiO2–PU) kompozit filmler ve filtre kâğıtları pürüzlü yüzey modelleri olarak kullanılmıştır. PGMA filmleri 110 °C’de tavlanarak substrat yüzeyine güçlü şekilde bağlanmış, ardından PFDoA asidi ile tepkimeye girmiştir. Temas açısı ölçümleri, PFDoA/PGMA kaplı Si yüzeylerinde su ve hekzadekan temas açılarının 108,2 ± 1.1° ve 67,6 ± 1.5° olduğunu göstermiştir. Pürüzlü yüzeylerde oleofobik davranışın belirgin şekilde arttığı, hekzadekan temas açısının TiO2–PU pürüzlü yüzeylerinde 81,4°’ye, filtre kâğıtlarında ise 95,5°’ye ulaştığı belirlenmiştir. PFDoA/PGMA kaplamalı filtre kâğıtları ayrıca süperhidrofobik karakter sergileyerek su temas açısında 129,4° değerine ulaşmıştır. Serbest yüzey enerjisi (SYE) hesaplamaları, PGMA filmlerinde 48,6 mN/m olan yüzey enerjisinin, yaklaşık 9,9 nm kalınlığında PFDoA tabakasıyla kaplandıktan sonra 13,8 mN/m’ye düştüğünü ortaya koymuştur. Elde edilen bu değerler, düşük yüzey enerjili uygulamalarda referans malzeme olarak kabul edilen politetrafloroetilene (PTFE, ~18 mN/m) kıyasla daha düşük yüzey enerjilere ulaşıldığını göstermekte ve PFDoA bazlı nanokaplamaların PTFE’ye potensiyel bir alternatif olduğunu ortaya koymaktadır.

Keywords

Ethical Statement

Çalışmanın tüm süreçlerinin araştırma ve yayın etiğine uygun olduğunu, etik kurallara ve bilimsel atıf gösterme ilkelerine uyduğumu beyan ederim.

Thanks

Makalenin hazırlanma sürecinde değerli görüş ve önerileriyle katkı sağlayan sayın Prof. Dr. Igor LUZINOV’ a teşekkür ederim.

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Details

Primary Language

Turkish

Subjects

Materials Science and Technologies, Polymer Science and Technologies, Material Characterization

Journal Section

Research Article

Authors

Tugba Demir Çalışkan ^*
0000-0003-2935-0525
Türkiye

Publication Date

March 3, 2026

Submission Date

November 13, 2025

Acceptance Date

January 13, 2026

Published in Issue

Year 2026 Volume: 29 Number: 1

DOI

https://doi.org/10.17780/ksujes.1822763

IZ

https://izlik.org/JA93XW42PX

Cite

RIS / Bibtex

APA

Demir Çalışkan, T. (2026). PFDoA KAPLI YÜZEYLERİN AMFİFOBİK ÖZELLİKLERİNİN İNCELENMESİ. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, 29(1), 330-343. https://doi.org/10.17780/ksujes.1822763

AMA

1.Demir Çalışkan T. PFDoA KAPLI YÜZEYLERİN AMFİFOBİK ÖZELLİKLERİNİN İNCELENMESİ. KSU J. Eng. Sci. 2026;29(1):330-343. doi:10.17780/ksujes.1822763

Chicago

Demir Çalışkan, Tugba. 2026. “PFDoA KAPLI YÜZEYLERİN AMFİFOBİK ÖZELLİKLERİNİN İNCELENMESİ”. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi 29 (1): 330-43. https://doi.org/10.17780/ksujes.1822763.

EndNote

Demir Çalışkan T (March 1, 2026) PFDoA KAPLI YÜZEYLERİN AMFİFOBİK ÖZELLİKLERİNİN İNCELENMESİ. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi 29 1 330–343.

IEEE

[1]T. Demir Çalışkan, “PFDoA KAPLI YÜZEYLERİN AMFİFOBİK ÖZELLİKLERİNİN İNCELENMESİ”, KSU J. Eng. Sci., vol. 29, no. 1, pp. 330–343, Mar. 2026, doi: 10.17780/ksujes.1822763.

ISNAD

Demir Çalışkan, Tugba. “PFDoA KAPLI YÜZEYLERİN AMFİFOBİK ÖZELLİKLERİNİN İNCELENMESİ”. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi 29/1 (March 1, 2026): 330-343. https://doi.org/10.17780/ksujes.1822763.

JAMA

1.Demir Çalışkan T. PFDoA KAPLI YÜZEYLERİN AMFİFOBİK ÖZELLİKLERİNİN İNCELENMESİ. KSU J. Eng. Sci. 2026;29:330–343.

MLA

Demir Çalışkan, Tugba. “PFDoA KAPLI YÜZEYLERİN AMFİFOBİK ÖZELLİKLERİNİN İNCELENMESİ”. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, vol. 29, no. 1, Mar. 2026, pp. 330-43, doi:10.17780/ksujes.1822763.

Vancouver

1.Tugba Demir Çalışkan. PFDoA KAPLI YÜZEYLERİN AMFİFOBİK ÖZELLİKLERİNİN İNCELENMESİ. KSU J. Eng. Sci. 2026 Mar. 1;29(1):330-43. doi:10.17780/ksujes.1822763