纺织工程学报2025，Vol.3Issue(1)：10-19,10.
超声波辅助水提取乌桕叶天然染料及其对蚕丝的染色性能
Study on ultrasonic assisted water extraction of natural dyes from Sapium sebiferum leaves and their dyeing properties on silk
摘要
Abstract
When using water as a solvent to extract natural dyes,several challenges arise,including low extrac-tion efficiency,reduced yield,and high solvent consumption.Ultrasonic-assisted extraction technology is widely acknowledged as an environmentally friendly and efficient method that can significantly enhance mass transfer rates and disrupt cell wall structures,thereby effectively increase product yields.Sapium sebiferum leaves,a type of agricultural waste,are not only abundant but also rich in various bioactive compounds.Natural dyes were extracted from Sapium sebiferum leaves using ultrasonic-assisted water extraction,followed by sustain-able dyeing of silk fabric.The extraction process for obtaining high concentrations of Sapium sebiferum leaves dye involved the following parameters:solid-liquid ratio of 1:10,extraction time of 45 min,extraction tempera-ture of 75℃,and ultrasonic power of 600 W.At the same time,the silk fabric was dyed with Sapium sebiferum leaves extract.The dyeing conditions of high K/S value were as follows:dyeing temperature of 95 oC,dyeing time of 75 min,pH=5.0.Finally,six mordants,which were tannic acid,potassium aluminum sulfate,magnesium chloride,ferrous sulfate,ferric sulfate and calcium chloride,were used to compare the color characteristic val-ues and fastness changes of silk fabrics under four dyeing methods:direct,pre-mordanting,meta-mordanting and post-mordanting.The results show that the K/S can be improved significantly by using the pre-mordanting dyeing method.Aluminum ions can significantly enhance the color of the dyed silk,resulting in a bright yellow appearance,while ferrous ions and iron ions as mordant can make the fabric appear gray and black.Compared with the direct dyeing silk fabric,the fastness of silk after using aluminum potassium sulfate and ferrous sulfate pre-mordanting can be improved by about one level.关键词
天然染料/超声提取/染色方法/媒染/可持续染色Key words
natural dyes/ultrasonic extraction/dyeing method/mordanting/sustainable dyeing分类
轻工纺织引用本文复制引用
曾维,余炳根,张文,唐奕婕,杜思娴,李骏为,姜会钰..超声波辅助水提取乌桕叶天然染料及其对蚕丝的染色性能[J].纺织工程学报,2025,3(1):10-19,10.基金项目
齐鲁工业大学生物基材料与绿色造纸国家重点实验室项目(GZKF202202). （GZKF202202）
