催化氧化皂洗在涤纶/棉织物一浴染色中的应用  

Application of catalytic oxidative soaping for polyester/cotton fabric dyeing in one bath

作　　者：张帆[1] 张国波 赵宇新 张儒[1] 阳海[1] 王世豪 汪南方[1] ZHANG Fan;ZHANG Guobo;ZHAO Yuxin;ZHANG Ru;YANG Hai;WANG Shihao;WANG Nanfang(Hunan Provincial Key Laboratory of Environmental Catalysis & Waste Recycling, Hunan Institute of Engineering, Xiangtan, Hunan 411104, China;Peolpe′s Government of Wutan Town in Taojiang County, Yiyang, Hunan 413407, China)

机构地区：[1]湖南工程学院环境催化与废弃物再生化湖南省重点实验室,湖南湘潭411104 [2]湖南省益阳市桃江县武潭镇人民政府,湖南益阳413407

出　　处：《纺织学报》2021年第9期97-103,共7页Journal of Textile Research

基　　金：湖南省教育厅科学研究项目(19B128);国家自然科学基金项目(81874332);湖南省自然科学基金杰出青年项目(2020JJ2012);湖南省科技托举人才工程项目(2020TJ-Q12)。

摘　　要：为提高涤纶/棉织物一浴染色的色牢度和节能减排的水平,开发了一种金属配合物/H2O2催化氧化技术用于涤纶/棉针织物一浴法染色后的皂洗工艺。利用理论计算和皂洗实验研究了柠檬酸亚铁和柠檬酸锰2个配合物的催化活性,采用单因素和正交试验探讨了配合物催化氧化皂洗工艺对脱色率和织物表观色深度K/S值的影响,对比研究了催化氧化皂洗与免还原清洗工艺的综合性能。得到最佳的皂洗工艺:1.0%柠檬酸亚铁1.0 g/L,30%H2O23.3 g/L,皂洗温度85℃,皂洗时间25 min,浴比1∶20。结果表明:柠檬酸亚铁具有更高的催化活性和更高的脱色率;催化氧化皂洗的织物各项色牢度(大于4级)优于免还原清洗工艺,残液毒性低,节水节能效果显著,对发展涤纶/棉织物染色的清洁生产具有重要意义。In order to increase color fastnesses of the polyester/cotton fabrics dyed by one bath method and promote energy conservation and emission reduction,a novel method of catalytic oxidation based on a metal complex/H2O2 system was introduced into the soaping process of the one bath dyeing of the polyester/cotton fabrics.The complex catalytic activities of Fe(II)citrate and Mn(II)citrate were investigated by using theoretical calculation and soaping experiment.The influence of soaping process parameters on properties of decolorization and K/S value was studied.The comparative experiment was used for valuating the catalytic oxidative soaping and the reduction free cleaning.The optimal catalytic oxidative soaping process was found to be 1.0%Fe(II)citrate complex with 1.0 g/L concentration,and 30%H2O2 with 3.3 g/L concentration,and soaping at 85℃for 25 min.The results show that the catalytic activity soaping performance of Fe(II)citrate complex is higher than that of Mn(II)citrate complex.Compared to the reduction free cleaning,the catalytic oxidative soaping has better wet color fastnesses(over grade 4)with an outstanding ability of decolorizing the dyeing effluent and reducing its toxicity and a prominent potential of energy conservation and emission reduction.The study is helpful for promoting cleaner dyeing production of polyester/cotton fabrics.

关 键 词：涤纶/棉织物 一浴法染色 金属配合物 过氧化氢 催化氧化 皂洗 

分 类 号：TS193.5[轻工技术与工程—纺织化学与染整工程]