Effect of paint anti-mold agent KP-M21

2021-10-29   Pageview:144

Coating anti-mold agent KP-M21 main component mechanism of action is to act on the bacterial cells, in different acidity and alkalinity sterilization mechanism is slightly different. Under neutral or acidic conditions, K+ will be taken out of bacterial cells and H+ will be taken into bacterial cells; under alkaline conditions, K+ or Mg2+ will be taken out of bacterial cells and Na+ will be taken into bacterial cells. By eliminating the ionic gradient for bacteria to obtain nutrients, the cells are eventually “starved to death”, so its bactericidal mechanism is not the same as many bactericides, it kills bacteria while not being consumed itself.

Auxiliary components are nano antibacterial agents, due to high particle size, large specific surface area, surface effect, in the presence of air and water in the environment by the action of light, the production of reactive oxygen species, antibacterial ability is mainly due to the strong oxidizing effect of reactive oxygen species.

 

 

 

 

 

 

 

 

 

 

 

Types of rheology additives
Rheology additives for water-based coatings can be divided into 4 parts according to the different process requirements of decorative coatings, water-based industrial paints, printing inks, paper coatings, and emulsion adhesives:
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① Hydrocolloid or water-soluble polymer. It improves the rheological value through hydrogen bonds formed by the hydration of polymer chains and water molecules. This is purely thickening the water phase.
②Associative thickener. This is a type of hydrophilic polymer with some hydrophobic groups that can act on many points in the system. Its direct thickening of the water phase is very limited, but it has a strong ability to associate with polymer particles, fillers and pigment particles.

③ Rheological resin, the so-called microgel.
④ Inorganic thickeners, namely flake inorganic silicon, are often used as synergistic thickeners in water-based coatings.
Certain thickeners are very active in water-based systems, just like protective glues in emulsion synthesis. Associative thickeners generally have a structure similar to polymeric surfactants. Microgel has the function of auxiliary binder. Inorganic thickeners also have a filling effect similar to fillers.

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