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Comparative Study of the Impact of Two Types of natural dyes and Synthetic dyes on the Fabric Comfort Level

决策与信息（下旬刊） 2015年第8期 273-276页

作者： Liu Yushi Wang Yuqiu Yun Song Deng Ruoyu Pan Yuan Li Tianxue Li Xiuzhi Culture Club of Beijing No.4 High School

In order to research whether the natural dyes areremarkably different from the chemical dyes in practical application, four experiments relating to the fabric comfort degree were selected for operation and a social survey experiment was also conducted. The research was conducted from the two perspectives of scientific tests and subjective judgments. Through the scientific tests and social survey, it was concluded that the impact of natural dyes and that of Synthetic dyes have little difference towards the fabric comfort degree, but there are still some findings need to be noticed through the conclusion.

关键词： Synthetic dyes natural dyes Comfort Level Color Fastness water repellency sustainable development

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Comparative Study of the Impact of Two Types of natural dyes and Synthetic dyes on the Fabric Comfort Level

Comparative Study of the Impact of Two Types of Natural Dyes...

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决策论坛——基于公共管理学视角的决策研讨会

作者： Liu Yushi Wang Yuqiu Yun Song Deng Ruoyu Pan Yuan Li Tianxue Li Xiuzhi Chen Yueting Wang Ruowei Yao Jingyu Qian Yangyang Culture Club of Beijing No.4 High School

关键词： Synthetic dyes natural dyes Comfort Level Color Fastness water repellency sustainable development

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Extraction and Application of natural Mordant dyes from Eichhornia Crassipes(Water Hyacinth)

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Journal of Donghua University(English Edition) 2015年第5期32卷 764-769页

作者：罗艳杨茹钟毅杜鹃 College of Chemistry Chemical Engineering and BiotechnologyDonghua University Key Laboratory of Science & Technology of Eco-Textile Ministry of EducationDonghua University

Metallic salts are often added as extra mordant when dyeing the fabrics with natural dyes. Eichhornia crassipes,namely water hyacinth( WH),is an environmentally problematic aquatic weed with high affinity for metals. In this paper,WH was selected as the source of natural mordant dyes,and extracted by absolute ethyl alcohol using a soxhlet apparatus. The colorants in WH were extracted and separated by column chromatography and thin layer chromatography( TLC). UV-visible spectrophotometer( UV-VIS),mass spectrometry, chemical identification with chromogenic reaction,and Fourier transform infrared spetroscopy( FTIR) were used to identify the main components of each pigment band. The total metal contents before and after extracting of the WH were determined by using an inductively coupled plasma atomic emission detector. The WH extracts were then used to dye wool fabric. The dyeing properties of WH extracts with and without metal mordant were investigated and compared. The results show that the main components of WH extracts are pheophytin and phyllins. The major metallic elements identified in WH are magnesium, manganese,zinc,and iron. Samples dyed with WH extracts without metal mordant exhibits high K / S values and good dyeing properties. This study indicates that the WH extracts can be used as a natural mordant dye on wool fabrics directly.

关键词： water hyacinth(WH) extraction natural dyes metallic mordant dyeing

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Application of Prunus amygdalus By-products in Eco-friendly Dyeing of Textile Fabrics

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Journal of Renewable Materials 2018年第1期6卷 55-67页

作者： Ibtissem Moussa Noureddine Baaka Ramzi Khiari Ali Moussa Gérard Mortha Mohamed Farouk Mhenni University of Monastir Faculty of SciencesUR13ES63-Research Unity of Applied Chemistry&Environment5000 MonastirTunisia Higher Institute of Technological Studies of Ksar Hellal Department of TextilesRue Hadj Ali Soua-B.P.n°68-5070 Ksar HellalTunisia Institute of Engineering University of Grenoble AlpesCNRSGrenoble INPLGP2F-38000 GrenobleFrance National Engineering School of Monastir 5019 MonastirTunisia

natural dyes have become an interesting subject of study because of their better ecological properties in comparison to their synthetic *** article concerns the dyeing of wool,silk,and polyamide fabrics with natural dyes extracted from almond shells and *** developed method of dyeing by these extracts is interesting and very attractive for several reasons:firstly,the extracts used are the black liquor discharged from the industries of delignification,which is a chemical process for removing lignin from agricultural wastes to produce a cellulosic fiber;(ii)these natural dyes are renewable and available in large quantities;(iii)this method is economical;and(iv)lastly,the dyeing performances of the obtained dyed textiles are very *** color of each dyed material was investigated in terms of the CIELAB coordinates and their fastness properties measured by washing,rubbing,and light.

关键词： Almond shell almond stem fastness properties natural dyes residual lignin

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Research on Dyeing Process for Polyamide with Aqueous Extracted from the Fruits of Diospyros Mollis

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Journal of Environmental Science and Engineering(B) 2016年第8期5卷 385-389页

作者： Hong Phuong Pham Thi Linh Hoang Thi TrungKien Tran Thu Lan Nguyen Thi Chemical Engineering Faculty Industrial University of rio Chi Minh City HCMC 7000000 Vietnam Faculty of Technology of Textile and Fashion Hung Yen University of Technology and Education Hung Yen Province 160000Viemam School of Chemical Engineering Hanoi University of Science and Technology Ha Noi City 100000 Vietnam Faculty of Textiles and Leather University of Economic and Technical Industries Ha Noi City 100000 Vietnam

In this study, polyamide fabrics were dyed with aqueous extracts from Diospyros Mollis fruits. The aqueous extracts from Diospyros Mollis fruits were extracted with water solution at room temperature and a ratio of 1：5 for Diospyros Mollis to water. The influences of temperature in range of 50-100 ℃, time in range of 30-80 minutes and a ratio of aqueous extracts to water in range of 3/1-1/11 were investigated. The results showed that the aqueous extracts from Diospyros Mollis fruits could dye polyamide fabrics to have black color with color strength and fastness properties to be very good level of 4-5.

关键词： Polyamide natural dyes Diospyros Mollis fruit.

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