Water resistant nacreous pigment and process for producing the s

Details Water resistant nacreous pigment and process for producing the s Water resistant nacreous pigment and process for producing the s

1987-11-20

1989-05-09

Willis, Prince E.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106417, C04B 1120

Patent

active

048286230

ABSTRACT:
A process for the production of a water-resistant nacreous pigment, comprising hydrolyzing a zirconium or zirconyl compound, in the presence of a hypophosphite and in the presence of a metal oxide-coated mica flake pigment, whereby a hydrated zirconium oxide is deposited onto the surface of the metal oxide-coated mica flake, and a nacreous pigment comprising metal oxide-coated mica flakes coated with hydrated zirconium oxide.

REFERENCES:
patent: 3087828 (1963-04-01), Linton
patent: 3832208 (1974-08-01), Jackson
patent: 3874890 (1975-04-01), Bernhard et al.
patent: 4457784 (1984-07-01), Bernhard
patent: 4505755 (1985-03-01), Shinozuka et al.
patent: 4565581 (1986-01-01), Bernhard

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