Zirconium propionate

Zirconium propionate is a white powder with molecular formula Zr(CH₃CH₂COO)₄. Its structure is complex, but is believed to be based on hydroxy-bridged zirconium polymers, with the propionate carboxyl group bonded to the zirconium.[1] It is not soluble in water, but dissolves in a solution of isopropanol, ethanol and ethyl acetate.[1] When tamped or untamped, it has a density of 1.14 g/cm³ or 0.98 g/cm³ respectively.[1] It is used to promote adhesion in solvent-based inks.[2][3]

References

Zirconium Propionate (PDF)
Peter J. Moles. "The Use of Zirconium in Surface Coatings". Pennsylvania State University.
Comyn, J. (April 1994). "Zirconium compounds in adhesion and abhesion". International Journal of Adhesion and Adhesives. 14 (2): 109–115. doi:10.1016/0143-7496(94)90005-1.

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[zrchem-1] Zirconium Propionate (PDF)

[2] Peter J. Moles. "The Use of Zirconium in Surface Coatings". Pennsylvania State University.

[3] Comyn, J. (April 1994). "Zirconium compounds in adhesion and abhesion". International Journal of Adhesion and Adhesives. 14 (2): 109–115. doi:10.1016/0143-7496(94)90005-1.