HIGHLY ANTICORROSIVE METALLIC PIGMENTS Russian patent published in 2007 - IPC C09C1/00 C09C1/62 C09C3/00 C09D5/10 C09D5/29 C09D11/02 C09B67/08 C08B9/00 D21H19/38 D21H21/00 D21H21/40 

FIELD: chemical industry; printing industry; powder metallurgy industry; cosmetic industry; other industries; production and application of the highly anticorrosive metallic pigments.

SUBSTANCE: the invention is pertaining to production of the of the highly anticorrosive metallic pigments similar to laminas, which may be used in production of the printing ink, plastic materials, cosmetics, the powder coatings and in other branches of industry. The pigments have on their surfaces: the metallic substrates similar to the laminas and treated with the compounds of the phosphoric acid and-or the compounds of the boric acid; one or more layers of the coatings consisting of one or more hydrated oxides of the metals of one or more metals selected from the group, which includes silicon, aluminum, zirconium, titanium and tin. On the basis of the highly corrosive metallic pigments similar to laminas it is possible to produce the interferential colored pigments. The invention allows to increase the anticorrosive resistance of the metallic pigments at the expense of saving without the faults of the initial surface smoothness of the similar to the laminas metallic substrates, to increase the homogeneity and density of the layers of the hydrated oxides of the metals.

EFFECT: the invention ensures the increased anticorrosive resistance of the metallic pigments, saving the initial surface smoothness of the similar to the laminas metallic substrates, the increased homogeneity and density of the layers of the hydrated metals oxides.

40 cl, 9 ex, 4 tbl, 8 dwg