COMPOSITE FOR INSULATING COATING Russian patent published in 2015 - IPC C23C22/22 

FIELD: electricity.

SUBSTANCE: composite contains (wt %): phosphate ions in equivalent of P₂O₅ - 12.1-16.1; aluminium ions - 1.3-1.7; magnesium ions - 0.3-0.5; colloidal silicone dioxide modified by chromic oxide (Cr₂O₃) in equivalent of (SiO₂+Cr₂O₃) - 13.1-15.2 and water up to 100. Weight ratio of Cr₂O₃/SiO₂ in the composite is equal to 0.05-0.1.

EFFECT: increased stability of the composite at non-available highly toxic chromium ions allows production of insulating coatings of good marketable state and improved physical and mechanical characteristics and magnetic properties.

1 tbl, 8 ex