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There are many reasons for the color difference between samples, and the main reasons are the following aspects.① Be strict and accurate when playing samples. Sample samples are the key to directly affecting the large -scale production of the workshop. We must fully understand its importance and pay Read More
Analysis of favorable factors and development trends of the dye industry1. Overview of industry developmentDyestuffs belong to the manufacturing of chemical raw materials and chemical products, and the subdivided industries belong to the dye manufacturing industry. Dyes are substances that can make Read More
Types of cationic dyesCationic dyes can be classified according to two classification methods: application performance and chemical structure type. According to the application performance, China divides the existing dyes into ordinary type, X type and M type. According to the chemical structure, it Read More
The nature of cationic dyesSolubilityThe salt-forming alkyl and anionic groups in the cationic dye molecule affect the solubility of the dye. In addition, if there are anionic compounds in the dyeing medium, such as anionic surfactants and anionic dyes, they will also combine with cationic dyes to f Read More
Analysis on the types of environmentally friendly dyesCommonly used sulfur dyes are not allergic dyes, carcinogenic dyes, and acutely toxic dyes. They do not contain heavy metals and adsorbable organic halides. They use less salt during application and consume much less water and energy than reactiv Read More
Factors to consider when choosing dyes1. Choose dyes according to fiber propertiesBecause of the different properties of various fibers, it is necessary to select suitable dyes when dyeing. For example, when cotton fiber is dyed, because its molecular structure contains many hydrophilic hydroxyl gro Read More
How to improve the color fastness of fabrics?How to improve the color fastness of fabrics? The color fastness of fabrics refers to the dyeing fastness of textiles, referred to as color fastness, which means that the dyed or printed fabric is subjected to external factors, such as extrusion, friction Read More
What is cationic dyeing? What are the advantages and disadvantages of cationic dyeing?What is cationic dyeing? Cationic dye is a relatively environmentally friendly and harmless dye in our lives, so many friends in life like to use it for dyeing. Next, I will show you how to dye with cationic dyes a Read More
Points to note when choosing and using cationic dyes1. In cationic dyes, except for disperse cationic dyes, the dyeing speed of other cationic dyes is faster. In order to ensure level dyeing, when using these cationic dyes, it is necessary to add a retarder that matches the dye at the same time. Reg Read More
