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Dyeing mechanism
Jun 05, 2018

1, the dyeing mechanism of nylon fiber: nylon fiber is amphoteric fibers, as well as adsorption of dye solution and positively charged hydrogen ions, and the adsorption of dye solution hydroxyl ions and negatively charged, so you can use the ionic dyes for dyeing. Such as: acid dyes, neutral dyes, reactive dyes, direct dyes, basic dyes can be used.


2, the PU resin dyed: the large molecules containing amide groups in the polyurethane can and acid dye, neutral dye combination and meet the requirements.


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