RSM Optimization of Wool Dyeing with Berberis Thunbergii DC Leaves as a New Source of Natural Dye

ABSTRACT

With the aim of introducing a new source of natural dye and developing a sustainable coloration process, the dyeing of wool with the leaves of Berberis thunbergii DC was optimized using response surface methodology. The results showed that increasing the dye concentration and dyebath temperature increased the color strength (K/S) and increasing the dyebath pH and mordant concentration decreased the K/S. The optimum pH, dye concentration, dyeing temperature, and mordant concentration for obtaining the highest K/S were 5, 146%owf, 76°C, and 3.8%owf, respectively. The sample dyed under the optimal conditions showed good color fastness properties.

摘要

为了引入新的天然染料来源，开发一种可持续的染色工艺，采用响应面法对小檗叶DC染色羊毛进行了优化. 结果表明，提高染料浓度和浴温可提高染料的着色强度（K/S），提高染料浴pH值和媒染剂浓度可降低K/S值. 最佳pH值、染料浓度、染色温度和媒染剂浓度分别为5、146%owf、76°C和3.8%owf. 在最佳条件下染色的样品显示出良好的色牢度.

KEYWORDS:

• Wool
• natural dye
• sustainable
• optimization
• response surface methodology
• mordant

关键词:

• 羊毛
• 天然染料
• 可持续
• 优化
• 响应面法
• 媒染剂