A new approach to improve acoustic and UV-protection properties in blind curtains using recycled acrylic waste

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Abstract This study aims to use acrylic fiber waste into a functional coating that enhances the acoustic and UV-protective properties of roller blind curtain fabrics, demonstrating a sustainable route for high-value textile waste utilization. Acrylic fibre waste was dissolved in N,N-dimethylformamide (DMF), and the obtained solution was applied to various cotton/polyester blended fabric structures using the pad–dry–cure technique. The effects of the treatment on the physical properties of the fabrics, including weight, thickness, and stiffness, were investigated. The influence of sewing on acoustic performance and UV protection was also evaluated. The surface morphology of the untreated, treated, and washed treated fabrics was examined using high-resolution field-emission scanning electron microscopy (FE-SEM). Durability test and FTIR analysis of washed fabrics were studied. The results revealed that fabric structure, DPAN concentration, and sewing thread significantly influenced the noise reduction coefficient (NRC) and ultraviolet protection factor (UPF). Statistical analysis was performed using analysis of variance (ANOVA). The findings demonstrated that twill fabrics treated with 5 wt% DPAN and cured at 180 °C exhibited the highest NRC and UPF values compared with matt 2/2 and matt 4/4 fabrics. Furthermore, the treated twill fabric outperformed conventional roller blind curtains in both acoustic insulation and UV protection. A radar chart was used to compare the optimum DPAN twill fabrics with two commercial roll blind curtain fabrics. It was observed that the optimum DPAN twill fabric achieved higher performance, as calculated, compared to commercial 1, with radar chart areas of 22392, 15267, and 14554, respectively.

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