Aiming at the problems of high water consumption and large sewage discharge in traditional printing and dyeing processing,the advantages of supercritical CO2 anhydrous dyeing are summarized,and the dyeing principle,dye types,fiber dyeing process and latest research progress for industrial application of supercritical CO2 as the medium are combed and analyzed.The development of supercritical CO2 dyeing techniques is discussed as well.
万方数据