Abstract
The aim of this research was to produce a breathable hydrophilic membrane that can be laminated to textile fabrics to enhance their resistance to water penetration without restricting their breathability. For this purpose, aliphatic polyester polyurethane and acrylic ester copolymers were used. Quantities of both chemicals were varied according to three levels each. A general full factorial design was used to analyze responses that were the water vapor permeability index (WVPI (%)) and the absorption rate (Abs rate (%)). The membrane synthesis process was then optimized by using the Minitab response optimizer. The optimum polymeric membrane water vapor permeability and absorption rate were equal to 504.148 g?m-2?day-1 and 50.401%, respectively. Based on obtained results, the developed polymeric membrane was judged breathable. The morphological aspect of the dense membrane was also analyzed. It was noticed that air bubbles with different morphological types appeared in the nonporous membrane structure. Finally, it was concluded that the developed membrane can be thermo-assembled with other textile layers to enhance their resistance to wind and water penetration without affecting their breathability.
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