Multi-layered Breathable Fabric Structures with Enhanced Water Resistance

This work reports waterproof breathable layered fabrics consisting of simple fabric weave types (plain, twill) and microporous breathable films. The pretreated fabrics were treated with water-repellent finishing chemicals. Afterwards, layered structures were generated by bringing the fabrics and the microporous breathable films together. According to the results of water repellency, hydrostatic pressure (water resistancy) and water vapor permeability tests conducted on the samples with/without microporous film layers, waterproof breathable layered fabrics were able to be generated, which are supposed to be used as construction materials.