Prediction of thermal and moisture comfort properties of polyester filament plain knitted fabric from its structural parameters

摘要

At present polyester knitted fabric is increasingly used in sports apparels. The main objectives of this study are to study the influence of fabric structural factors on moisture comfort properties to develop predictive models for moisture comfort properties from the fabric structural factors and to decide the structural factors for optimum moisture comfort for wearing in extreme environmental conditions. So polyester filament yarn is knitted in plain structure with independent variation in filament denier, fabric tightness factor and the yarn denier and tested for its wicking time, water vapour permeability, air permeability, water absorbency and drying time. It is concluded from the study that the density is positively correlated with wicking time, the absorbency and drying time but negatively correlated with WVP and air permeability; Thickness is positively correlated with wicking time, absorbency and drying time but negatively correlated with WVP and air permeability; Filament denier is positively correlated wicking time, WVP, air permeability but negatively correlated with the moisture absorbency and drying time. In this study the extent of influence of individual parameters on the individual moisture comfort properties is discussed. The quadratic regression equations arc also predicated for all the moisture comfort properties and validated. Based on this study the structural parameters for optimum moisture comfort for different climatic conditions for single jersey polyester knitted fabrics are discussed.