In tungsten oxide dispersion, surface modifier is an additive used to improve the dispersion and stability of tungsten oxide particles. It can form a covering layer or wrapping layer on the surface of particles, prevent aggregation and precipitation between particles, and provide charge shielding and electrostatic stabilization.
Commonly used surface modifiers include:
Tungsten Oxide Dispersion Polymer
Such as polyvinyl alcohol (PVA), polyacrylic acid (PAA), polyvinylpyrrolidone (PVP), etc. These polymers can interact with the surface of tungsten oxide particles to form a coating that provides dispersion stability.
Tungsten Oxide Dispersion Surfactant
Such as sodium dodecyl sulfate (SDS), caprylic acid, etc. These surfactants have hydrophilic and hydrophobic groups, which can form an adsorption layer on the surface of tungsten oxide particles to adjust surface properties and dispersibility.
Colloidal Stabilizer for Tungsten Oxide Dispersion
For example, gelatin, carboxymethyl cellulose, etc. These colloidal stabilizers provide dispersion stability and viscosity control by forming micellar structures.
Tungsten Oxide Dispersion Organic Solvent
Such as ethanol, isopropanol, etc. Organic solvents can undergo solvent inclusion with tungsten oxide particles in solution to improve dispersion and stability.
The selection of an appropriate surface modifier depends on the characteristics of tungsten oxide particles and application requirements. These surface modifiers can be optimized and adjusted according to specific experimental conditions to achieve the desired dispersion and stability requirements.
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