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Alkali-resistant additive (dispersing agent) 1881 (for dye companies)

Applicability: Dye synthesis and after treatment
Appearance/composition: Brown to black powder/Sodium poly[(naphthaleneformaldehyde)sulfonate] (pure methylnaphthalene production with relatively low molecular weight)
Main features and applications: Features: Easily soluble in any hardness of water. Resistant to acid, alkali, alkaline water, and salt. It has good affinity to protein and polyarmide fiber and poor affinity to cotton, linen and other fibers. It can be used with nionic and nonionic surfactants.
Applications: Dispersing agent 1881 is commonly used in reactive jade blue and brilliant blue to increase alkali resistant and salt resistance.
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