Gidik H, Dupont D, Almuhamed S, Mohsenzadeh E, Hemberg A, Kignelman G, Thielemans W and Lahem D
The past couple of years, buildings with low energy consumption and a higher thermal comfort have become more and more common but this has a negative impact on the Indoor Air Quality (IAQ). The majority of pollutants present in the indoor air are Volatile Organic Compounds (VOCs) that originate from many sources inside these buildings. The ultimate aim of this research activity is to functionalize a textile substrate (polyester (PES), woven fabric) with a hybrid photocatalytic material based on Cellulose Nanocrystals (CNC)/titanium dioxide (TiO2) in order to photodegrade VOCs under visible light. This study presents the first part of this research which focusses on the pretreatment of PES fabric with alkaline hydrolysis and plasma treatment in order to functionalize it with CNC/TiO2. The influence of these pretreatments on the binding of the CNC/TiO2 to the textile substrate is analyzed by using different characterization methods, i.e. contact angle measurements, FTIR-Attenuated Total Reflectance (FTIR-ATR), Energy-Dispersive X-ray (EDX) spectroscopy and Thermogravimetric Analysis (TGA). The results show that the pretreatments by alkaline hydrolysis and plasma enhance the binding of TiO2 to the PES fab
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