▎ 摘　　要

NOVELTY - Preparing far infrared textile fabric, comprises e.g. oxidizing natural graphite powder, filtering, then centrifugal washing and vacuum drying to obtain graphene oxide nanosheet, then adding water, and subjecting to ultrasonic treatment to obtain graphene oxide suspension, adding zirconium oxychloride octahydrate, subjecting to ultrasonic treatment, then adding titanium dioxide nano powder, and stirring to obtain a mixed solution, and subjecting to high temperature hydrothermal reaction to obtain graphene oxide/titanium dioxide/zirconium dioxide composite material, adding water, and subjecting to ultrasonic dispersion treatment to obtain homogeneous graphene oxide/titanium dioxide/zirconium dioxide composite material dispersion, mixing with aqueous polyurethane under vigorous stirring condition to obtain mixed solution, adding pretreated textile fabric, then soaking, and subjecting the textile fabric treated to two dip and two rolling treatments, drying and baking. USE - The far infrared textile fabric is useful in field of textile finishing. ADVANTAGE - The method: is simple and has low cost. DETAILED DESCRIPTION - Preparing far infrared textile fabric, comprises (i) oxidizing natural graphite powder in presence of concentrated sulfuric acid and potassium permanganate by Hummers oxidation, filtering, then centrifugal washing and vacuum drying to obtain graphene oxide nanosheet with a thickness of about 15 nm, (ii) adding 20-80 ml water into the graphene oxide nanosheet, subjecting to ultrasonic treatment to obtain graphene oxide suspension, where the ultrasonic time is 1 hour, and the ultrasonic power is 180-450 W, (iii) adding zirconium oxychloride octahydrate into the graphene oxide suspension obtained in step (ii), subjecting to ultrasonic treatment, where the ultrasonic time is 0.5 hour, and the ultrasonic power is 180-450 W, then adding titanium dioxide nano powder, and stirring for 1 hour to obtain a mixed solution, and subjecting the mixed solution to high temperature hydrothermal reaction to obtain graphene oxide/titanium dioxide/zirconium dioxide composite material, (iv) adding the graphene oxide/titanium dioxide/zirconium dioxide composite material obtained in step (iii) into 20-100 ml water, and subjecting to ultrasonic dispersion treatment to obtain homogeneous graphene oxide/titanium dioxide/zirconium dioxide composite material dispersion, where the ultrasonic time is 2 hours, and the ultrasonic power is 180-450 W, (v) mixing uniformly the homogeneous graphene oxide/titanium dioxide/zirconium dioxide composite material dispersion with aqueous polyurethane under vigorous stirring condition to obtain mixed solution i.e. graphene oxide/titanium dioxide/zirconium dioxide composite material of textile finishing agent, (vi) adding pretreated textile fabric into the mixed solution obtained in step (v), then soaking for 2 hours, where the bath ratio is 1:30, and (vii) subjecting the textile fabric treated in step (vi) to two dip and two rolling treatments, drying the obtained cloth at 120 degrees C and baking at 150 degrees C to obtain final product.