Opacification of paint

Details Opacification of paint Opacification of paint

C - Chemistry, Metallurgy

09

D

403/12

C09D 5/02 (2006.01) C09D 7/00 (2006.01)

Patent

CA 1226400

OPACIFICATION OF PAINT ABSTRACT Aqueous paints are disclosed having improved hide at lowered titanium dioxide content in which the dispersed pigment is present in an amount providing a pigment volume concentration of from 20% to 80%, and in which the pigment contains from 5% to 65% of titanium dioxide, rutile, and the balance of the pigment consists essentially of pigmented vesiculated beads and opaque polymer particles in a ratio of 30/70 to 90/10. The proportion of opaque polymer particles is smaller at higher pigment volume concentrations to avoid excessive impairment of the burnish and scrub resistance, but a large gain in hide is obtained, nonetheless.

439730

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