摘要
采用芦丁与槲皮素对棉针织物进行染色,讨论了媒染剂浓度、染色温度、染色时间和两者混合比例对染色效果的影响。通过试验得到优化的芦丁与槲皮素混合溶液预媒染色工艺:芦丁和槲皮素混合溶液比例1∶1,明矾3%(omf),染色温度80℃,染色时间60 min。该工艺下织物染色效果最佳,色牢度优良,抗紫外线能力较高。芦丁在100%甲醇溶液中进行水解,在水解温度60℃、盐酸2%的条件下,m(芦丁)∶m(槲皮素)与时间(t)的关系满足A=663 t~(-1.518),其中A为m(芦丁)∶m(槲皮素)。当水解时间为72.23 min时,溶液中芦丁和槲皮素的比例为1∶1。
Cotton knits are dyed with Rutin and Quercetin, and the effects of mordant concentration, dyeing temperature, dyeing time and mixture ratio on dyeing results are discussed. The results show that the optimum pre-mordant dyeing process with mixed solution of Rutin and Quercetin is dyeing at 80℃ for 60 min with 3%(omf) alum and the mass ratio of Rutin to Quercetin of 1∶1. The cotton dyeings with the optimum process have good dyeing result and color fastness with high UV resistance. Hydrolysis of Rutin in 100% methanol at 60℃ with 2% hydrochloric acid, the relation between the ratio of Rutin to Quercetin and time satisfies the equation of A=663 t~(-1.518). When hydrolyzing for 72.23 min, the ratio of Rutin to Quercetin in the solution is 1∶1.
引文
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