Features and uses
Sodium dibutyl sulfosuccinate (HANTAICHEM ® DBMS- 45) is a high affinity Water-based anion
Surfactant, and has a good emulsification, dispersion, moisture and capacity and other performance; also has an excellent
Of the high concentration of electrolyte characteristics of its molecular formula is C12H21O7NaS, molecular weight of 332.34. Calcium salt stability
HANTAICHEM ® DBMS-45 high CMC value, succinic acid esters of surfactant compatibility with other relatively excellent
In its structure, the root of the branch is attached to -SO3Na, because its hydrophilic base is in the middle of the lipophilic group,
So its wet capacity is large (see below). Of course, there are two molecules in its -COOCH2 ester chain, so that
It is case of strong acid and alkali is unstable, easy hydrolysis. Generally used in weak acid or neutral system.
The products are widely used in cosmetics, washing disinfectants, dry cleaning agents, food, dyes, carpet bottom activity
Cloth, polymer synthesis, paint, printing ink, textile, electroplating, leaching and other industries; especially for agricultural
Drug aspect, emulsion polymerization, etc. as pesticides since Emulsifier HANTAICHEM ® DBMS-45 easily in nature
Completely decomposed, too little residue in the soil, no material caused by land formation; in the emulsion synthesis
, It is for all monomers, especially for vinyl acetate, maleic acid esters, styrene, styrene - widely used
Butadiene and other monomers based on the emulsion polymerization system, as the Emulsifier, stabilizer to use it.
Used alone, but if with other Emulsifier (eg HANTAICHEM ® DNS-458, HANTAICHEM ® DNS-
1035, etc.) is used, the effect will be better. HANTAICHEM ® DBMS-45 made with the production of latex viscosity
Low, film-forming transparent, good resistance to electrolyte and mechanical stability, and has a very high surface tension. It can be used alone
Hardly affects the particle size of the latex; other Surfactant (eg HANTAICHEM ® DNS-80, HANTAI-
CHEM ® DNS-196, etc.) good compatibility. It is more stabilizers may be added as a post-synthetic latex, wetting agent
Use, so that the latex to obtain a higher surface tension and good mechanical stability; because of its wet dispersion and
High surface tension characteristics, can be used for carpet gum, single-sided printing solid paste, leather and other industries.
Molecular structure diagram HANTAICHEM ® DBMS-45
Physical and chemical properties
Appearance (25 ℃) light yellow or colorless transparent liquid
Color (APHA) <100
Active content (% by weight) 44-46
Solid content (wt%) 45-48
Solvent content (wt%) Water, 52-56
PH (1% aqueous solution) 5-7
Specific gravity (25 ° C, g / cm 3) 1.10 to 1.14
Viscosity (25 ℃, mPaS) <30
Freezing point (10% aqueous solution, ℃) -9
Flash point (closed cup, ℃)> 100
Free acid (%) ≤ 2.0
Iodine value (solid content%) <0.2
Critical micelle concentration (CMC) (wt%) 3
Solubility
Insoluble in polar solvents
Insoluble in nonpolar solvents
Completely dissolved in water
Foaming
Improve the ROSS-MILES foam test (GB / T7462-94), the product of the foam height ml (0.5%, 25 ℃) is:
At the beginning: 85; after 15 minutes: 8.
Surface Tension
HANTAICHEM ® DBMS-45 surface Zhang Li test at 25 deg.] C and the aqueous solution of the measured results are as follows:
Concentration (wt%) 0 0.005 0.1 0.6 1.2 1.8 2.4 3.0 3.6 4.8 6.0
Surface tension (25 ° C) 72.0 62.0 58.0 54.0 48.0 44.5 42.5 41.5 41.5 41.5 40.9