Advantages of defoamer Surfynol AD01

2021-09-25   Pageview:884

1. 100% active ingredient
2. Airborne substances (HAPs)
3. No APE
4. Low VOC
5. Foam control and low foam properties
6. Dynamic wetting ability
7. Low odor, non-ionic surfactants
8. Stable at PH=3-13
9. Compatibility













When the hydrophilic pigment is dispersed in water, it will interact with the polar group of the surfactant to form a monomolecular adsorption layer. The hydrophobic group faces outwards. Due to the interaction between the hydrophobic groups, it will form with the surfactant in the dispersion medium. The second adsorption layer, with hydrophilic groups facing outwards, will stabilize the dispersion system. Refer to (2) and (4) in Figure 2-17,
When hydrophobic pigments are dispersed in water, it is actually equivalent to the hydrophilic engineering of making pigments with surfactants. Pigments and surfactants rely on the hydrophobic base to attract each other to form the first monolayer with the hydrophilic base facing outwards. The first layer ptfe powder lubricant will use the charge force to form the second adsorption layer, see Figure 2-17 (1), (3),

Force is van der Waals force and electrostatic force, combined with PR; -SO, Rf-EO (1) is strong. Van der Waals
The first binding force and the second binding force are weak. Hydrophilic group EO-
If it is too large, the dissolving power will become too large, and PSO-R; R-EO(2) can take away water from the dispersion medium and break
Broken down and anionic surfactants (a) The adsorption of anionic surfactants
R; lipophilic part: SO; hydrophilic part (such as alkyl carbonate) is combined, the stability of the dispersion is also affected

In order to destroy, therefore, the EO is small. PR-EOR-SO(3)
The primary binding force is the hydrogen bonding force and van der Waals force, which is higher than (2) the primary binding force and the secondary binding force
The first time binding force is weak, the active agent is easy
PEO-RR-SO(4) desorption, and anionic surfactant
Easy to move in the direction of the dispersion medium. Two (b) Adsorption of non-ionic surfactants
R affinity part: LO hydrophilic part (oxyethylene polymer) secondary binding force is van der Waals force, R and
(E.g. oxyethylene adducts of fatty acids)
The polarity balance of R is the main thing, this
The dispersion system formed by the double layer adsorption of the surfactant in the aqueous dispersion is not
Double-layer adsorption layer
It can be said to be a good dispersion system.
The primary binding force is van der Waals force, R, and the degree of polarity of the pigment is equal, and the secondary binding force is charge force, the binding force is strong, R is great, and EO- is too large.


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