Tyzor® 212 is a water stable zirconium chelate that will crosslink nucleophilic functional groups. it is used in fracturing fluids as a gelling agent.
Tyzor® 212 contains 52% active ingredients in a 1-propanol solution. This zirconium chelate will react with water to form a reactive hydroxy zirconium chelate that is stable in aqueous solutions for an extended period of time. Tyzor® 212 will form bonds with hydroxyl and carboxyl functionality and work to cross link these sites on a polymer. In oil well fracturing fluids with a pH of 8.5-11 Tyzor® 212 is used for delayed cross linking of guar dispersions. At temperatures above 120° F it is activated and causes a dramatic increase in viscosity. Tyzor® 212 is also used to cross link polymers used in inks, paints, and coatings to improve durability of the dried film and to increase the speed of cure, Additionally, Tyzor® 212 can be used to treat surfaces like metal and glass to promote adhesion.
Zr Content: 12%
Active Content: 52%
Color: Yellow
Solvent: n-propanol
Specific Gravity (25C): 1.06
Freezing Point: <-25C
Boiling Point: 97C (Solvent)
Flash Point: 22C
Solubility in Solvents: Miscible in most organic solvents
Solubility in Water: Miscible
Primary Chemistry: Zirconium Chelate
Stable in water
Cross links hydroxyl and carboxyl functionality
Promotes adhesion to metal and glass
Decreases time to cure in inks and coatings
Long cure times of inks and coatings
Adhesion failure of coatings, inks, and adhesives to metal and glass surfaces
Poor cohesion due to a low cross link density
Instability of crosslinkers and curatives in water based systems
Oil Well Fracturing Fluids, Printing Inks, Paints & Coatings
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