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Modified Polyester Dyeing Process and Performance AnalysisI. What is Modified Polyester?Modified polyester is a fiber material that chemically modifies traditional polyester by introducing a third or fourth monomer into the molecular structure of polyester (PET).Common modification methods include:T Read More
Vat dye dyeingVat dye dyeing is often used in yarn dyeing of yarn-dyed handkerchiefs and yarn-dyed towels. Vat dyes are water-insoluble dyes. The dyes themselves have no affinity for fibers and cannot be directly dyed. They must be dissolved with caustic soda and insurance powder to make leuco sodiu 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
What is the difference between organic dyes and ordinary dyes?The organic compounds of organic pigments and dyes are very similar from the chemical structures of organic pigments and dyes. Even some organic compounds can be used as dyes and can be used as organic pigments, but organic pigments and d Read More
