Tyzor® NPZ is a reactive alkoxy zirconate that is used as a cross linking agent for dispersions of guar used in oil well fracturing fluids.
Tyzor® NPZ is a 74% active solution of tetra-n-propyl zirconate in n-propanol. It is an excellent cross linking agent for polysaccharides and polymers containing hydroxyl or carboxyl functional groups. Tyzor® NPZ is most commonly used to cross dispersions of guar to form highly viscous gels used in oil well fracturing. It can also be added to paints to cross link polymers and promote adhesion. Tyzor® NPZ can form polymeric films of zirconium dioxide. It is used as a surface modifier to promote adhesion of coatings, increase scratch resistance, improve light reflection, and add coloring effects. In chemical manufacturing operations, Tyzor® NPZ is used as a low toxicity Lewis acid and Ziegler-Natta catalyst. It eliminates by products and improves yield of esterification, condensation, and addition reactions.
TiO2 Content: 28 %
Active Content: 74 %
Color: Yellow to tan
Molecular Weight: 324 g/mol
Density (20C): 1.07g/mL
Viscosity (20C): 80 mPa*s
Pour Point: -70 C
Boiling Point (@10 mmHg): 97 C (Solvent)
Flash Point: 23
Refractive Index: 1.445
Solubility in Solvents: Miscible in most organic solvents
Solubility in Water: Decomposes quickly
Primary Chemistry: Tetra-n-propanol Zirconate
Low toxicity
Highly reactive
Cross links hydroxyl and / or carboxyl groups
Lewis acid catalyst
Ziegler-Natta catalyst
Forms polymeric ZrO2 films
Promotes adhesion
Binds well to metal and glass
Uncontrollable gelling time of guar based oil well fracturing fluids
Transmittance of light through glass surfaces
Low cohesive strength of architectural paints and coatings
Oil Well Fracturing Fluids; Glass Coatings; Metal Coatings; Paints; Chemical Manufacturing
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