product name: dispersing agent wno
main component: sodium methylene bis-m-naphthalene
sulfonate, sodium salt of polynaphthalene sulphonic acid,
2-naphthalenesulfonic acid, polymer with formaldehyde, sodium
salt. sodium salt of polynaphthalene sulphonic acid, formaldehyde-
2-naphthalenesulfonic acid-sodium salt polymer) naphthalenesulfonic
acid/formaldehyde condensation product; dispersing agent n,
2-naphthalenesulfonic acid/ formaldehyde sodium salt.
physical & chemical index:
appearance: light yellow transparent viscous liquid
ionicity: anion
dissolubility: dispersing agent wno is freely soluble in water of any hardness.
stability: good resistance to acid, alkali, heat, hard water and inorganic salts.
diffusbility: ≤ 100% (for the standard)
p h value: 7-9 (1% aqueous solution)
content of sodium sulfate: ≤ 0.05 %
impurity content insoluble in water: ≤ 0.05%
content of calcium and magnesium: ≤ 0.4%
performance feature and application:
wno contents good diffusivity and performance of protective colloid,
but no surface activity such as permeability, foamability etc. have affinity on protein and polyurethane fiber, and no affinity on cotton and linen fiber. alkalinity or acidity: slightly alkaline with 1% aqueous solution. ionizing: anionic. affinity and compatibility: can be used with anion and nonionic surface active agent.
dispersing agent wno is good on grinding effect, solubilization, dispersity. can be available for textile printing, wettable pesticide as dispersing agent, dispersing agent in paper making industry, electroplating additives, water soluble coatings, pigment dispersing agent, water treatment agent, carbon black dispering agent etc.
dispersing agent wno mainly used for suspension vat dye padding, leuco dyeing, dyeing of disperse and solubilised vat dyes etc. also can be available for silk/wool blended fabric dyeing, so as for the silk no colored. in dyeing industry, dispersing agent wno mainly used for dispersing agent on manufacturing of disperse and lake, stability agent of rubber emulsion, and leather auxiliary tanning agent etc.
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