Enhancing the enzymatic coloration stability of cotton and silk fabrics via polyethylene glycol templates

IF 2.6 4区工程技术 Q3 CHEMISTRY, APPLIED

Coloration Technology Pub Date : 2025-11-14 DOI:10.1111/cote.70046

Na‐won Baek

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引用次数: 0

Abstract

Abstract Enzymatic coloration offers an eco‐friendly alternative to synthetic dyeing but faces commercial limitations, including poor reproducibility, low colour fastness and restricted colour range. This study investigated horseradish peroxidase‐catalysed oxidation and coloration of four phenolic compounds on silk and cotton fabrics, incorporating polyethylene glycol (PEG) templates to improve dye uptake and stability. Dyeing performance was evaluated using colorimetric analysis, with maximum K/S values reaching 11.6 for cotton and 19.2 for silk (with PEG), representing an improvement of 36.5% and 9.7%, respectively, compared with non‐templated samples. Colour fastness to washing, rubbing and light was assessed according to ISO standards, showing that PEG‐treated fabrics exhibited ratings that were generally one to two grades higher, or at least equivalent, compared with non‐templated samples. Structural and morphological changes were examined by Fourier Transform–infrared spectroscopy, scanning electron microscopy and thermogravimetric analysis, while liquid chromatography–tandem mass spectrometry elucidated the polymerisation mechanism of the oxidised phenolic dyes. These results demonstrate that PEG‐templated enzymatic coloration can enhance colour intensity and fastness while maintaining sustainability, providing a viable pathway towards greener textile processing.

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通过聚乙二醇模板提高棉丝织物的酶促著色稳定性

酶促染色提供了一种生态友好的合成染色替代方案，但面临商业限制，包括再现性差、色牢度低和颜色范围有限。本研究研究了辣根过氧化物酶催化四种酚类化合物在真丝和棉织物上的氧化和着色，并结合聚乙二醇（PEG）模板来提高染料的吸收率和稳定性。使用比色分析评估染色性能，棉花和丝绸（含PEG）的最大K/S值分别达到11.6和19.2，与未模板样品相比分别提高了36.5%和9.7%。根据ISO标准对洗涤、摩擦和光线的色牢度进行了评估，结果表明，与未模板化的样品相比，经PEG处理的织物的评级通常高出一到两个等级，或至少相当。利用傅里叶变换-红外光谱、扫描电镜和热重分析分析了氧化酚醛染料的结构和形态变化，液相色谱-串联质谱分析了氧化酚醛染料的聚合机理。这些结果表明，聚乙二醇模板化酶染色可以提高颜色强度和牢度，同时保持可持续性，为绿色纺织加工提供了一条可行的途径。

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来源期刊

Coloration Technology 工程技术-材料科学：纺织

CiteScore

3.60

自引率

11.10%

发文量

审稿时长

4 months

期刊介绍： The primary mission of Coloration Technology is to promote innovation and fundamental understanding in the science and technology of coloured materials by providing a medium for communication of peer-reviewed research papers of the highest quality. It is internationally recognised as a vehicle for the publication of theoretical and technological papers on the subjects allied to all aspects of coloration. Regular sections in the journal include reviews, original research and reports, feature articles, short communications and book reviews.