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Articles

Ecofriendly printing of jute fabric with natural dyes and thickener

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ABSTRACT

Ecofriendly chemical processing of jute fabric followed by printing with natural dyes using natural thickeners produces printed jute fabric that may be used for variety of diversified and value added applications. Bioscouring and bleaching makes the fabric white (Whiteness Index 82.44 in HUNTER scale) and soft (bending rigidity 623–686). The fabric was then mordanted with myrobolan extract and potash alum. Natural dyes were extracted from seeds of annatto, roots of manjistha and bark of ratnajot by aqueous extraction method. The particle size of the dyes was in the range of 400–900 nm. Four natural thickeners like guar gum, gum Arabic, sodium alginate, and gum indulka were used for printing. Evaluation of these printed fabrics reveals that very good wash and rubbing fast printed jute fabric can be produced from natural dyes and natural thickener guar gum by substantive screen printing method and can be used as decorative, furnishing, and apparel textiles.

摘要

黄麻织物的生态友好的化学处理后的天然增稠剂使用天然染料印花生产印刷黄麻织物可用于各种应用的多元化和价值增值。精练和漂白的织物白(白度82.44猎人规模)和软(弯曲刚度623-686)。织物媒染myrobolan提取物,然后用明矾。天然染料是从种子中提取的红木,采用水提取法manjistha ratnajot根和树皮。染料的粒径范围在400-900。四天然增稠剂如瓜尔豆胶、阿拉伯胶、海藻酸钠、胶indulka用于印刷。对这些印花织物的评价结果表明,采用天然丝网染料和天然增稠剂瓜尔豆胶,用丝网印刷法可生产出很好的耐洗、摩擦快速印花黄麻织物,可作为装饰、装饰和服装纺织品。

Acknowledgments

Authors are thankful to Dr G Roy, Director, ICAR – National Institute of Research on Jute & Allied Fiber Technology, Kolkata for giving permission to publish this paper.

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