Sequestering Agents
Sequestering Agent Definition
Sequestering agent, also known as chelating agent, is a complex forming auxiliary chemical with metals such as Iron, Copper, Nickel, Zinc and Magnesium that are present in water and affects the textile processing in many way.
Function of sequestering agentin textile process
1) Desizing
Adding sequestering agent into whatever kind of desizing agent can improve the efficiency of desizing. This is because it complexes metal ion that reacts with size, improving swelling capacity of size membrane and reactivity of size and sequestering agent. Thus it is easy to be removed from fabrics.
2) Pretreatment
Mainly use stabilizing agent for hydrogen peroxide bleaching to make hydrogen peroxide resolve smoothly and then improve usage rate of it; at the same time cause the fracture of fabric fiber and form holes.
3) Dyeing
Water, glauber salt, sodium carbonate, sodium chloride and etc. which are used in the process of dyeing have some impurity. In the influence of impurity, dyes will cause sediment. Especially when dyeing with dyes of bright colors, it can be more vivid after adding sequestering agent and produce no negative effect on rubbing fastness and level dyeing. When dyeing with sulphur dyes, it can prevent copper mirror effect.
As a Sequestering agents manufacturer from China, we have exported our textile auxiliaries chemicals to worldwide countries more than 10 years. With the fast development of Indian textile industry, we will be glad to export more of our textile auxilarieschemicals to India and build long term cooperation.
If you want to know more details of sequestering agent in textile processing, please visit our website.
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