使用双媒染剂系统对万寿菊花瓣染色黄麻的工艺变量进行统计优化

IF 0.6 4区 工程技术 Q4 MATERIALS SCIENCE, TEXTILES
Ritwik Chakraborty, Ashis Kumar Samanta, P. S. Vankar
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引用次数: 0

摘要

在水介质中从橙色万寿菊花瓣中提取天然染料,并根据万寿菊花瓣水提取物的得色率(光密度)对提取工艺参数进行了优化。提取的天然着色剂被用于黄麻织物的染色,并通过紫外可见光谱进行表征。用轧染法将五倍子提取物和天然明矾(fitkiri)作为媒染剂涂在漂白黄麻织物上,然后在空气中干燥。织物在染色前分别用媒染剂处理,然后依次使用两种媒染剂。先用五倍子对黄麻进行预媒介处理,然后再用明矾。黄麻纤维在染色前用五倍子或明矾或两种媒染剂(先五倍子后明矾)进行媒染。用从万寿菊花瓣中提取的天然染料对预搀和黄麻织物进行染色,并对工艺条件进行标准化。结果发现,双媒染法比单媒染法更有效,能产生更好的得色率。在用普拉克特-伯曼设计法选出显著变量后,还用方框-贝肯设计法对工艺条件的标准化进行了统计检验。标准化染色工艺条件为:染色温度:90°C;料液比:1:40;染色时间:60 分钟;染料浓度:30%(含水率):30% o.w.f.;pH 值:11。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Statistical Optimization of Process Variables for the Dyeing of Jute with Marigold Petals Using a Dual Mordant System
Natural dye was extracted from the petals of orange-colored marigold flowers in aqueous medium, and extraction process parameters were optimized based on the color yield (optical density) of an aqueous extract of marigold petals. The extracted natural colorant was used to dye jute fabric and characterized by ultraviolet–visible spectroscopy. Extracts from gallnut and natural alum (fitkiri) were applied as mordants onto the bleached jute fabric by padding method followed by drying in air. The fabrics were treated with the mordants separately before dyeing, and then, both mordants were applied in sequence. Jute was premordanted first with gallnut followed by alum. Jute fibers were mordanted prior to dyeing with either gallnut or alum or both mordants (gallnut followed by alum treatment). Premordanted jute fabric was dyed with the natural dye extracted from marigold petals, and process conditions were standardized. The dual-mordanting process was found more effective to produce better color yield than the single mordanting process. Standardization of the process conditions was also examined statistically by the Box–Behnken design method after choosing the significant variables by the Plackett–Burman design method. The standardized dyeing process conditions were found to be dyeing temperature: 90°C; material to liquor ratio: 1:40; dyeing time: 60 min; dye concentration: 30% o.w.f.; and pH: 11.
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来源期刊
AATCC Journal of Research
AATCC Journal of Research MATERIALS SCIENCE, TEXTILES-
CiteScore
1.30
自引率
0.00%
发文量
34
期刊介绍: AATCC Journal of Research. This textile research journal has a broad scope: from advanced materials, fibers, and textile and polymer chemistry, to color science, apparel design, and sustainability. Now indexed by Science Citation Index Extended (SCIE) and discoverable in the Clarivate Analytics Web of Science Core Collection! The Journal’s impact factor is available in Journal Citation Reports.
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