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Process for dyeing textile wovens or knits made of polyester fibers or mixtures thereof with other fibers in jet dyeing machines
Process for dyeing textile wovens or knits made of polyester fibers or mixtures thereof with other fibers in jet dyeing machines
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机译:在喷射染色机中对由聚酯纤维或其混合物与其他纤维制成的纺织机织或针织物进行染色的方法
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摘要
Process for dyeing textile wovens or knits made of polyester fibers or mixtures thereof with other fibers in jet dyeing machines. P PThe recently developed jet dyeing machines with aerodynamic fabric transport permit a drastic shortening of the liquor ratio and of the addition of higly concentrated dye solutions or dispersions directly into the driving gas circulation system under isothermal conditions. However, the prerequisite is dyes in finished form. PPAccording to the invention, it has now been found that the costly finishing treatment is dispensible when non-finished disperse dyes are dissolved highly concentratedly in suitable, preferably water- miscible, ecologically and toxicologically safe organic solvents, and these solutions are metered with the aid of the new technology specifically into the circulating gas stream to form a dispersion of the dyes which then produces a level dyeing on the textile material.
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