Abstrakt:
This paper deals with the study of corrosion-inhibition properties of commercially
used pigment Zn3(PO4)2 after the modification with lanthanum orthophosphate in
various molar ratios. The system Zn3(PO4)2/LaPO4 was prepared in one step
synthesis by crystallization method. Individual pigments were examined in the
synthetic-based paint and water-based paint. The samples were exposed to
influences in the condensation chamber, atmosphere of 100 % humidity and to the
content of 0.2 a 1 dm3 SO2. The prepared pigments were evaluated from the
viewpoint of the degree of rusting, the blistering, degree of cracking, corrosion in
the surroundings of cut and corrosion in the surface. The evaluation, which took
place in the comparison with commercially available samples and laboratory
prepared Zn3(PO4)2, show very good efficiency for the protection of metallic
materials.
