采用自制的阳离子明胶蛋白助剂对棉织物进行阳离子化改性，研究活性红M-R染料对改性和未改性棉织物吸附上染速率的影响，运用准一级动力学模型和二级动力学模型对试验数据进行模拟分析，并计算了活性红M-R染料在改性和未改性织物上的染色动力学参数。结果表明，改性和未改性棉织物的染色过程均符合准二级动力学模型，随着温度的升高，初染速率和平衡吸附量逐渐提高，半染时间逐渐下降。与未改性棉织物相比，改性棉织物的初染速率显著提高，半染时间明显降低，平衡吸附量提高2倍左右。证明阳离子明胶蛋白助剂改性棉织物显著提高了对阴离子活性染料的吸附上染性能。%Cotton fabric was modified by a self-made cationic gelatin auxiliary. The effect of reactive red M-R on the dyeing adsorption rate of the modified and unmodified cotton fabric was explored. Pseudo first-and second-order kinetic models were used to simulate and analyze the adsorption kinetic data, and the kinet-ic parameters of the reactive red M-R on the modified and unmodified fabric were calculated. The results showed that the modified and unmodified fabric dyeing processes fol owed the pseudo second-order kinetic models. As the temperature rised, the initial dye adsorption rate and equilibrium adsorption capacity gradual y increased, while the half-dyeing time decreased. However, compared with the unmodified fabric, the initial dye adsorption rate of the modified fabric increased significantly, half-dyeing time reduced remarkably, and the equilibrium adsorption capacity increased 2 times. It was proved that cationic gelatin auxiliary modified fab-ric significantly improved the anionic dyes for dye adsorption performance.
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