活性黄145在无盐少水染色体系中的染色及其动力学研究  

Study on the dyeing and kinetics of reactive yellow 145 in the salt-free and low-water dyeing system

作　　者：朱赫 裴刘军 郭配廷 王际平 董爱学 王宗乾 ZHU He;PEI Liujun;GUO Peiting;WANG Jiping;DONG Aixue;WANG Zongqian(Shanghai Engineering Research Center of Textile Chemistry and Cleaner Production,Shanghai University ofEngineering Science,Shanghai 201620,China;School of Textiles and Fashion,Shanghai University ofEngineering Science,Shanghai 201620,China;Key Laboratory of Clean Dyeing and Finishing Technology of Zhejiang Province,Shaoxing 312000,China;School of Textile and Garment,Anhui Polytechnic University,Wuhu 241000,China)

机构地区：[1]上海工程技术大学上海纺织化学与清洁生产工程研究中心,上海201620 [2]上海工程技术大学纺织服装学院,上海201620 [3]浙江省清洁染整技术研究重点实验室,浙江绍兴312000 [4]安徽工程大学纺织服装学院,安徽芜湖241000

出　　处：《丝绸》2024年第7期74-83,共10页Journal of Silk

基　　金：国家自然科学基金项目(22072089);安徽省重点研发项目(2023t07020001);海宁市科技计划工业、农业项目(2021003);上海市松江区科学技术攻关项目(23SJJBGS2);浙江省清洁染整技术研究重点实验室开放基金项目(QJRZ2301)。

摘　　要：为探究活性染料在非水介质无盐少水染色体系中的染色性能及染色动力学,文章以不同质量分数的活性黄145染料和硅氧烷组成无盐少水染色体系,对棉织物进行染色,对准一级动力学模型和准二级动力学模型进行分析,且与传统水浴染色效果进行对比。结果表明,在相同质量分数下,无盐少水染色体系染色性能较传统水浴更好,其中固色率及K/S值差异随着染料质量分数的增加而增大。活性黄145在两个染色体系中的染色动力学可以用准二级动力学模型来描述,相较于传统水浴体系,无盐少水染色体系具有更高的染料最终吸附量和更小的半染时间。随着染料质量分数的增大,染料最终吸收量的差距逐渐提高,半染时间逐渐缩短。为活性染料在非水介质无盐少水染色体系中的染色实践提供了理论指导。Reactive dyes have been widely used in cotton fabrics’dyeing due to their excellent application performance such as color diversity and simple use.Traditional dyeing of reactive dyes/cotton fabrics is carried out under water bath conditions,which consumes a large amount of energy and dyeing auxiliaries,and generates a large amount of dyeing wastewater.The non-aqueous medium(decamethylcyclopentasiloxane)dyeing system of reactive dyes has attracted attention due to its significant advantages of zero salt and low water content in the dyeing process,high dye utilization rate,and energy conservation and environmental protection.It can effectively solve the problems of low dye utilization,high electrolyte consumption,and large sewage discharge in traditional reactive dyes’water bath dyeing.The dye solution is completely insoluble in the non-aqueous phase,but has a strong affinity for cotton fibers,so that more of the dye is rapidly distributed to the fibers with a small amount of water in a non-aqueous medium.However,in the dyeing system,polar aqueous solutions are tightly encapsulated by organic non-polar non-aqueous media,forming a high concentration of dye solution,resulting in poor dispersion of dyes in non-aqueous media.This may also cause aggregation or precipitation of dye molecules and uneven dyeing.The research on the adsorption mechanism of a reactive dye solution in salt-free and low-water dyeing systems is limited.In particular,the comprehensive information on the effects of media on the diffusion and adsorption models of reactive dyes has not been systematically studied.In order to study the dyeing properties and dyeing kinetics of reactive dyes in the traditional water bath system and siloxane system,and to explore the key factors affecting the dyeing of reactive dyes in non-aqueous medium salt-free and low-water dyeing systems,the reactive dye of cyanuric acid-vinyl sulfone(reactive yellow 145)was selected.The dyeing of reactive yellow 145 in the non-aqueous medium dyeing system and the traditional w

关 键 词：无盐少水染色 活性染料 染色性能 上染速率 半染时间 

分 类 号：TS193.841[轻工技术与工程—纺织化学与染整工程]