Abstract
An inclusion complex was formed by the reaction of β -cyclodextrin (β -CD) with 4-hydroxy benzophenone (4-HBP), since β -CD acts as a hosting molecule for 4-HBP. The inclusion complex was added to a finishing bath containing citric acid (CA) and sodium hypophosphite (SHP) as a catalyst to provide the cotton fabric anti-crease and ultraviolet (UV) protection properties. Ultraviolet protection factor (UPF) is the scientific term used to indicate the amount of UV protection provided to skin by fabric. The factors affecting the performance properties and UPF were studied in detail. It was noted that at 0.25 g β -CD and 4-HBP represent the optimum concentration for both of the UPF and anti-crease properties. Increasing the CA and SHP concentrations lead to an increase in the UPF and the wrinkle recovery angle (WRA), while the tensile strength of the finished fabric decreases. Also increasing the curing temperature and/or prolonging the duration enhanced the UPF and WRA. While the tensile strength decreased significantly, the durability of the UV protective cotton fabric against successive washings was evaluated at different numbers of washing cycles (0, 15, and 30 washing cycle). The finished fabrics show an excellent durability against 30 successive washing cycles.
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