Dispersant NNO is an anionic surfactant, the chemical name is naphthalene sulfonate formaldehyde condensation, yellow brown powder, soluble in water, resisting acid and alkali, hard water and inorganic salts, with excellent dispersant and protection of colloidal properties, no permeability and foaming, have affinity for proteins and polyamide fibers, no affinity for fibers such as cotton and linen.
Item | Specification |
Disperse power(standard product) | ≥95% |
PH(1% water-solution) | 7—9 |
Sodium sulfate content | 《3% |
Insolubles in water | ≤0．05% |
Content of calcium and magnesium in,ppm | ≤4000 |
Application
Dispersant NNO is mainly used for dispersing dyes, vat dyes, reactive dyes, acid dyes and as dispersants in leather dyes, excellent abrasion, solubilization, dispersibility; can also be used for textile printing and dyeing, wettable pesticides for dispersant, paper dispersants, electroplating additives, water-soluble paints, pigment dispersants, water treatment agents, carbon black dispersants and so on.
In printing and dyeing industry, mainly used in suspension pad dyeing of vat dye, leuco acid dyeing, disperse dyes and solubilised vat dyes dyeing. Can also be used for silk/wool interwoven fabric dyeing, so that no color on the silk. In the dye industry, mainly used as diffusion additive when manufacturing dispersion and colour lake, used as stabilizing agent of rubber latex, used as a leather auxiliary tanning agent.
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