Study on performance of far-infrared nanometer textiles

The aim of this paper was to research the effect of far-infrared nanometer finishing on the health protection and warmth retention properties of knitted cotton fabrics.The performance of far-infrared textiles was tested with flatplate warmth retaining tester and body warmth keeping testing.SEM was used to characterize the microstructure of the surface of the knitted cotton fabrics before and after treatment,and EDS was used to investigate the phase composition of the surface of the knitted cotton fabrics after treatment.The results showed that uniform nano-particles were observed on the surface of the finished knitted cotton fabrics.EDS analysis indicated that far-infrared nano-particles on the fabric surface was zirconia;and the warmth retaining ratio of the treated cotton fabrics significantly improved.Far-infrared textiles can improve the microcirculation of the human body and increase the skin temperature and hence have health promotion and warmth retention capacities.