Application areas

Application of titanates in the coatings field

Release Date:

2026-03-23

The application of titanates in the coatings industry is primarily reflected in improving pigment dispersion, enhancing adhesion, improving storae stability, and imparting various functional properties to coatings. Their mechanism of action lies in forming molecular bridges between inorganic pigments/fillers and organic resins, thereby significantly opomprehensive performance of the coatings.

I. Core Functions and Mechanism of Action
The molecular structure of titanate coupling agents contains multiple functional zones, enabling them to bind simultaneously winorganic and organic materials. Among them, the monomethoxy group can react with hydroxyl groups on the surface of pigments/fillers to form chemical bonds, whe long-chain organic group is compatible with resins to reduce interfacial tension. Special functional groups, such as sulfonic acid or phosphate ester groups, can impart additional properties atings, such as thixotropy, anti-settling, and flame retardancy.

II. Specific Applications in Different Types of Coatings
In solvent-based coatings, titat as dispersing and anti-settling agents, significantly improving the uniformity of difficult-to-disperse pigments such as carbon black, titanium dioxide, and iron oxide red. They ten grinding time and reduce system viscosity to enhance application efficiency.
In the field of water-based coatings, chelating titanates are adopted. Their good water solubility makes them  for systems such as latex paints, polyurethane, and acrylic coatings. They not only improve the bonding strength of coatings on low-surface-energy substrates like metal and glalso improve coating rheology to prevent sagging during application, while enhancing the wear resistance and scrub resistance of the paint film.
For functional coatings, titanates containing pyrophosphate grou can exert a flame-retardant synergistic effect in fireproof coatings, with particularly significant results when used in conjunction with aluminum hydroxide or antimony trioxideabutyl titanate can be used in anti-corrosion and high-temperature resistant coatings, reducing coating porosity and improving thermal stability by forming a dual cross-linking network, thereby incg salt spray resistance time; in rust-proof coatings, titanates effectively prevent coating peeling by enhancing interfacial bonding strength.

III. Application Methods and Recommended Dosage
The applicatioods of titanates mainly include the pre-treatment method and the direct addition method. The pre-treatment method requires diluting the titanate with a solvent and spraying it into high-speed ing pigments/fillers to ensure uniform treatment;
The direct addition method involves adding the titanate directly during the coating formulation process, which is simple to operate and suitable forh production. The recommended dosage is usually 1% to 3% of the total amount of pigments/fillers. The specific value needs to be adjusted according to the pcle size and specific surface area of the pigments/fillers; the dosage is higher when the particle size is finer or the specific surface area is larger, and the optimal dosage can bined through viscosity testing.