Tyzor® 212 is a water stable zirconium chelate that will crosslink nucleophilic functional groups. it is used in fracturing fluids as a gelling agent.
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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
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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