The adsorption model of Acid Orange ⅱ( C. I. Acid Orange 7), Reactive Brilliant Red X-3B ( C. I. Reactive Red 2), and Direct Bordeaux GB ( C. I. Direct Red 13) dyeing modified ramie is Langmuir isothermal adsorption. 酸性橙Ⅱ、活性艳红X&3B和直接枣红GB对改性苎麻的吸附模型为朗格缪(Langmuir)等温定位吸附。染料与改性苎麻纤维之间的结合力增强。