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disperse dyes

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  • Disperse Dyes Tips (Part 2)


    The hot-melt pad dyeing process is suitable for continuous dyeing of polyester/cotton blended fabrics. Its dyeing principle is also a type of high-temperature dyeing. The difference from high-temperature and high-pressure dyeing is that the melting temperature is high (180℃-220℃) and the time is short. (90 seconds). Read More
  • Introduction To Digital Printing


    Digital printing developmentDigital printing is printing using digital technology. Digital printing technology is a high-tech product that integrates machinery, computer electronic information technology, and has gradually formed with the continuous development of computer technology. It first appea Read More
  • Classification of Dyes


    Classification of dyesI. Classification of dyes according to their chemical structure or their characteristic groups is called chemical classification They are divided into: azo dyes, anthraquinone dyes, arylmethane dyes, indigo dyes, sulphur dyes, phthalocyanine dyes, nitro and nitroso dyes, in add Read More
  • Methods for Testing The Quality of Disperse Dyes


    Keywords:Disperse dyeTextile dyesDyeingDisperse dye definitionDisperse dyes are a type of dye with smaller molecules (molecular weight 200-500) and relatively simple structure. It does not contain strong hydrophilic groups such as sulfonic acid group so3- and carboxyl COOH. It only contains some wea Read More
  • Disperse Dye Properties and Testing


    Disperse dyes are a type of dye with smaller molecules (molecular weight 200-500) and relatively simple structure. It does not contain strong hydrophilic groups such as sulfonic acid group so3- and carboxyl COOH. It only contains some weak polar groups such as carboxyl groups, amino groups, and nitro groups, and is a non-ionic dye with very low water activity. Read More
  • The Guide to Cotton Dye: the Best Dye and Practices!


    In the textile industry, different fabrics are dyed with different dyes. Cotton, one of the most common fabrics, is the best choice for dyeing because of its high water absorbency. The purpose of this article is to introduce the selection and process of cotton dyeing, and to answer questions that are widely used in daily life and in the textile industry. Read More
  • Compatibility of disperse dyes and polyester fibers


    Polyester FibersPolyester fiber, commonly known as "polyester", is a synthetic fiber made from chemical polycondensation of organic dibasic acids and glycols. It is a kind of polymer compound and a synthetic fiber with high strength, high modulus and low water absorption.Therefore, traditional water-soluble dyes such as direct, acid, and reactive dyes cannot be adsorbed to this hydrophobic fiber, and therefore cannot be dyed. Read More
  • Acid Dye Introduction and Different Items


    Acid dyes refer to the acid group in the dye molecules, also known as anion dye, which can be combined with amino groups in protein fiber molecules with ion bonds and applicable under acidic, weak acids or neutral conditions. Mainly nitrogen and , structures, a few are aromatum methane structures. Acid Dye Introduction and Different Items, This article show the difference between different dyes and show the benefirness of acid dyes. Read More
  • How to prevent the agglomeration of disperse dyes in dyeing?


    Agglomeration in the dyeing of disperse dyes will lead to problems such as color spots, stains, and cylinder contamination. How to prevent the agglomeration of disperse dyes in dyeing, please see the following: 1. The principle of dye aggregationGenerally, the particle diameter of disperse dye is ab Read More
  • Alkaline dyeing of disperse dyes


    The emergence of disperse dye -alkaline dyeing:When decentralized dye dyeing conventional polyester, the general dyeing bath is generally controlled (pH value is 5-6). Due to dyeing under acidic conditions, most of the scattered dye color light is the purest and high -dye rate. However, polyester si Read More
  • How to improve the quality of disperse dye dyeing


    The effect of decentralized dye dyeingThe heat migration of decentralized dyes is not under dry heat conditions, and the dye is redistributed in the two phases of fiber and surface solvents. Instead, its inherent physical characteristics are also caused. EssenceBy analyzing the effects of dyeing tem Read More
  • What is disperse dyeing thermal migration


    Polyester fiber with decentralized dyes dyed, during the dry heat treatment process, the phenomenon of decreased color targeting and color -light mutation. It is caused by the heat migration of decentralized dyes.The so -called heat migration refers to a phenomenon of migrating from the inside of th Read More
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