南瓜皮色素的提取及其在天然纺织品染色中的应用

IF 0.6 4区 工程技术 Q4 MATERIALS SCIENCE, TEXTILES
J. Che, Xinghua Teng, Junling Ji
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引用次数: 0

摘要

本文初步探讨了从南瓜皮中提取色素作为植物染料及其对丝织品和棉织品的潜在染色能力。热重分析确定了南瓜提取物的适用温度范围,紫外可见光谱和高效液相色谱分析确定了南瓜提取物的主要颜色成分和结构特征。结果表明,该植物染料提取物具有优良的热稳定性和中性、酸性条件下的稳定性。以提取液的最大吸光度为目标,确定了最佳提取条件:100%乙醇,提取温度70℃,提取时间60 min,料液比1:10。为了获得最高的染色吸收率和K/S值,真丝织物的最佳染色条件为95°C, 90 min, pH 5.5,液比1:60。棉织物超媒染剂的最佳染色工艺为95℃、90 min、液比1:60。真丝和棉织物的色牢度除少数外,几乎全部达到了中国国家标准的基本要求。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Extraction and Application of Pumpkin Peel Colorants for Natural Textile Dyeing
This preliminary research discusses the extraction of colorants from pumpkin peel as vegetable dyes and the potential dyeing capability of silk and cotton fabrics. For pumpkin extracts, thermal gravity analysis has verified the range of temperature for application, while a combination of UV–vis spectra and high-performance liquid chromatography analysis confirmed the main colored components and structural characteristics. It was found that the extracts of this vegetable dye have excellent thermal stability as well as stability in neutral and acid conditions. With the objective of achieving the greatest absorbency rate of extracted solution, the following optimum extraction conditions were obtained: 100% ethanol, an extraction temperature of 70°C, an extraction time of 60 min, and a material-to-liquor ratio of 1:10. To attain the highest dyeing uptake rate and K/S values, the optimum dyeing profiles with meta-mordanting for silk fabrics were found to be 95°C, 90 min, pH 5.5, and a liquid ratio of 1:60. The optimum dyeing profiles with meta-mordanting for cotton fabrics were 95°C, 90 min, and a liquid ratio of 1:60. Nearly all colorfastness results for silk and cotton fabrics met the basic requirement of the China National Standard, except a few.
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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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