| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1507134 | Solid State Sciences | 2006 | 7 Pages |
ZnCO3 coating on calcite particles has been developed in order to enhance the index of refraction of this mineral that is used as a charge in paper, paint and polymer industries. Chemical reaction between calcite particles in an aqueous suspension with zinc chloride promotes the formation of a ZnCO3 coating consisting of two layers with different interactions with the calcite particle. The refraction index of the resulting composite particles increases with the Zn/Ca ratio. A model allows to evaluate the coating thickness. The value of the scattering S and diffusion K coefficients of sheets coated with the ZnCO3 coated particles reveal a dependence on the preparation conditions with a 15% increase for the best samples.
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