天然染料的应用及其研究进展

Application of Nalural Dyes and their Research Progress

本文根据色素的化学结构特点对天然染料进行了进一步分类。通过实例对媒染剂的作用、效果以及天然染料的染色工艺和染色牢度进行了讨论，还指出了目前天然染料应用中存在的问题，对于天然染料的最近研究进展也进行了介绍。

Natural dyes were classified according to the characteristic of chemical structures of colorants in this paper. The effect of mordant and natrual dyes' dyeing method and fastness, by means of application examples, have been discussed. The latest research progress on natural dyes' application was also presented.