Tyzor® LA is an aqueous solution of chelated titanium used as a catalyst for esterification reactions and as a cross-linker in water-based coatings and inks.
Tyzor® LA is a hydrolytically stable titanium chelate identified under CAS number 65104-06-5. While most Tyzor® titanates decompose and undergo hydrolysis, this titanate remains stable in water as long as the pH remains between 7 and 8. Therefore, Tyzor® LA is well suited as a catalyst in direct esterification reactions of carboxylic acid compounds because of its compatibility with water, which may be present in raw materials. Due to its lower titanium content, this titanate offers moderate reaction rates but produces a high yield and provides increased safety through its nontoxicity. When used as a catalyst, Tyzor® should be added as the last ingredient of the reaction components to prevent unwanted chemical prereactions.
Tyzor® LA is used in water-based coatings and inks to cross-link binders and pigments and improve the cohesive strength and toughness of coating formulations. It is also used to promote the adhesion of water-based coatings and inks.
Tyzor® LA is also excellent for crosslinking water-based dispersions of guar to produce high-viscosity oil well fracturing fluid. Surfaces like metal and glass can also be treated with Tyzor® LA to improve the adhesion of coatings, inks, and adhesives.
TiO2 content (%): Approx 13.6
Titanium content (%): 8.2
Active content (%): Approx 50
Color: Colorless to light
Density (25°C, g/mL): Approx 1.21
Viscosity (25°C, mPa·s): Approx 9
CAS number: 65104-06-5
pH: Approx 8–9
Pour point (°C): Approx −10
Boiling point (°C): Approx 100 (water)
Flash point: None
Solubility in water: Miscible
Primary Chemistry: Aqueous titanium chelate
Hydrolytically stable
High stability at pH 7–8
Excellent cross-linker for OH-functional polymers
Aids formation of polymeric titanium dioxide
Low toxicity
Forms high-viscosity aqueous gels with guar
Provides high yield at low concentration when used as a chemical catalyst
Adhesion promoter for paints and coatings
Surface modifier for increased hardness and corrosion resistance
Poor cohesive strength of coatings and adhesives
Adhesion failure of coatings, inks, and adhesives to metal or glass surfaces
Poor reaction rates and yield of esterification reactions
Low viscosity of oil well fracturing fluids
Hydrolysis and inactivation of titanates that are water sensitive
Water-based printing inks
Water-based paints and coatings
Adhesives and sealants
Polymerization catalyst
Corrosion protection formulations
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