Finished Products
| Appearance | Orange-yellow or reddish-brown powder |
| Rheology(85℃,0.1MPa,20min) | n ≥0.5, K≤0.7Pa.sn |
| Initial consistency(85℃,70.3MPa,44min) | ≤20Bc |
| Thickening time ratio(85℃,70.3MPa,44min) | 1.0-2.0 |
| Compression strength ratio(110℃,21Mpa,24h) | ≥0.8 |
Product name: Dispersant MF
Other names: Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt
CAS number: 9084-06-4
Properties: Dispersant MF is brown powder, easily soluble in water, easy to absorb moisture, non-flammable, has excellent diffusibility and thermal stability, no permeability and foaming, acid and alkali resistance, hard water and inorganic salts, cotton It has no affinity for fibers; it has affinity for protein and polyamide fibers; it can be used with anionic and nonionic surfactants at the same time, but it cannot be mixed with cationic dyes or surfactants; it can prevent the dispersion and reduction of dye particles by heat and coagulation. Better than diffused NNO. Dispersant MF is an anionic surfactant.
Preparation: Using 235-250℃ boiling fraction of coal tar (containing 2-methylnaphthalene as the main component) as raw material, sulfonated to obtain methylnaphthalenesulfonic acid, and then condensed with formaldehyde.
Use:
Dispersant MF is mainly used as a dispersant and filler for vat dyes and disperse dyes. It is mainly used as a processing agent and dispersant for grinding of disperse dyes and vat dyes. Its performance is better than that of dispersant N. Dispersant MF has the advantages of good grinding efficiency, good dispersibility, heat resistance, and high temperature dispersion stability. Higher temperature resistance and stability than dispersant N. The dispersing agent MF can make the dye bright in color, increase in color strength, and even in coloring. The dispersant MF can also be compounded with various dispersants to meet the commercial requirements of various disperse dyes and vat dyes; it can also be used as an early strength water-reducing agent for concrete; it can be used as a dispersant and vat dye when grinding Dispersant for vat dye suspension dyeing; and stabilizer for latex in rubber industry, tanning aid for leather industry.
1. The dispersant MF is used for reduction, and the disperse dye is used as a grinding dispersant and a filler during standardization, and can also be used as a diffusing agent during the manufacture of Sedian.
2. The dispersant MF is mainly used in the printing and dyeing industry for pad dyeing of vat dye suspensions, dyeing and dispersion by stable color acid method, and dyeing of soluble vat dyes.
3. Dispersant MF is used as a tanning aid in the leather industry, and as a stabilizer for latex in the rubber industry.
4. Dispersant MF can be dissolved in concrete as a strong water-reducing agent, which can shorten the construction period, save cement, save water and increase the strength of cement.
Usage:
According to the recipe, pour the dispersant MF into the sand mill for sand milling. After the sand milling, add other ingredients for the next process. The liquid dispersant should be fully stirred before use, and mixed well and put into a sand mill.
Packaging, storage and transportation:
1. The dispersant MF is packaged in a woven bag lined with plastic film, 25Kg per bag, with the product name, net weight, production unit, address, etc. printed on the bag.
2. It should be protected from rain and moisture during storage. If there is agglomeration, please mix it into a solution or crush it without affecting the effect.
3. The shelf life is two years.
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