Experimental method for improving color fastness of grass and trees

The invention discloses an experimental method for improving color fastness of grass and trees, and belongs to the technical field of grass and tree dyeing. Theexperimental method comprises the following steps: step 1, cloth pretreatment: carrying out preshrinking treatment on cut cloth in cold water, and naturally airing for later use; 2, dye preparation: preparing dip dyeing dye for dyeing from natural raw materials; 3, cloth dip-dyeing: putting the cloth into the dye obtained in the step 2 to directly dye the cloth, adjusting the bath ratio of dye liquor, dip-dyeing the cloth for a period of time at a certain temperature, performing cooling after dip-dyeing, performing washing with water, and performing airing; 4, mordanting: mordanting the cloth after the cloth is dip-dyed, and washing and airing the cloth after the mordanting is finished. 本发明公开了一种提高草木染色牢度的实验方法，属于草木染技术领域，包括以下步骤：步骤1：布料预处理：裁剪的布料在冷水中进行预缩处理后自然晾干，备用；步骤2：染料制备：采用天然原材料制备用于染色的浸染染料；步骤3：布料浸染：将布料放入步骤2中得到的染料直接对其进行染色，调节染液浴比，在一定温度下对布料浸染一段时间，浸染后降温，水洗晾干；步