Intelligent nano biomimetic reflection of hydrothermal approach on lignocellulosic surface

Abstract

In this study, it is aimed to increase the water and sunlight resistance, which are the weakest aspects of wood materials, which are widely and reliably used in all sectors, especially furniture. Nano formed on the surface of wood with hydrothermal approach method using ferrous sulfate heptahydrate (FeSO4·7H2O), Nickel (II) chloride hexahydrate (NiCl2.6H2O), Ethyl alcohol (EtOH), Sodium hydroxide (NaOH), and Potassium nitrate (KNO3) structures are aimed at providing anti-UV properties and preventing photodegradation. Energy diffuser x-ray (EDX), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and Scanning electron microscopy (SEM) analyzes were performed to characterize these functioning studies. In addition, water contact angle (WCA) measurement was used to determine hydrophobization properties and UV-Vis spectrometry was used to determine anti-UV properties. The changes of color and surface parameters after functioning were examined according to ISO 2469 (2014) and ISO 4287 standards, respectively. Anti-UV property is determined in the range where UV wavelength is 200-800 nm.

Keywords

• Smart nano biomimetic
• Hydrothermal approach
• Lignocellulosic surface

Hidrotermal yaklaşımın lignoselülozik yüzeydeki akıllı nano biyomimetik yansıması

Abstract

Bu çalışmada, mobilya başta olmak üzere her türlü sektörde yaygın ve güvenilir bir şekilde kullanılan ahşap malzemelerin en zayıf yönleri olan su ve güneş ışığı dayanımlarının artırılması amaçlanmıştır. Demirli sülfat heptahidrat (FeSO4·7H2O), nikel (II) klorür heksahidrat (NiCl2.6H2O), etil alkol (EtOH), sodyum hidroksit (NaOH), ve potasyum nitrat (KNO3)’ın kullanıldığı hidrotermal yaklaşım methodu ile ahşabın yüzeyinde oluşturulan nano yapılar ile anti-UV özellik sağlanıp fotodegregasyonun engellenmesi hedeflenmiştir. Daha sonra hidrotermal olarak fonksiyonlanan bu yeni yüzeyin oktadesiltriklorosilan (OTS, %95) kullanılarak hidrofobize edilmesi ile yüzeyin neme ve suya karşı dayanımının artırılması hedeflenmiştir. Yapılan bu fonsiyonlandırma çalışmalarının karakterizasyonu için enerji dağıtıcı x-ışını (EDX), fourier dönüşümü kızılötesi spektroskopisi (FTIR), x-ışını kırınımı (XRD) ve taramalı elektron mikroskopisi (SEM) analizleri yapılmıştır. Ayrıca, hidrofobizasyon özelliklerinin belirlenmesi için su temas açısı (WCA) ölçümü ve anti-UV özelliklerinin tespiti için ise UV-Vis spektrometresi kullanılmıştır. Fonksiyonlandırmadan sonra ölçülen renk ve yüzey parametrelerinin değişimleri sırasıyla, ISO 2469 (2014) ve ISO 4287 (1997) standartlarına göre incelenmiştir. Tüm bu çalışmalar sonucunda üretilen yeni yüzeyin su temas açısı θγ 105° olarak ölçülmüştür. UV dalga boyunun 200-800 nm olduğu aralıkta anti-UV özellik belirlenmiştir.  

Keywords

• Akıllı nano biyomimetik
• Hidrotermal yaklaşım
• Lignoselülozik yüzey

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