Research on dyeing and properties of cotton fabric with three kinds of natural plant dyes
In order to study the dyeing properties of three natural plant dyes of artemisia argyi,purslane and huaimi on cotton fabric,three plant dyes were extracted by Soxhlet extraction method,and the cationic modified cotton fabric was dyed with dye solution.Then,the dyeing properties of the three dyes under different dye dosage,dyeing temperature,dyeing time and pH value were explored and the optimal dyeing process conditions were determined.Finally,the color fastness properties of the three dyes under the optimal dyeing process conditions were tested.The results showed that the optimal dye dosage of artemisia argyi and purslane was 150 mL/L,and that of huaimi was 100 mL/L.The optimum dyeing temperature of artemisia argyi leaf was 50 ℃,while that of purslane and huaimi were 80 ℃ and 70 ℃ respectively.The optimal dyeing time of artemisia argyi and huaimi was 60 min,and that of purslane was 75 min.The optimal dyeing pH value of the three dyes was 7.The modified cotton fabric dyed with artemisia argyi,purslane and huaimi has good color fastness.
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