Rutile titanium dioxide coated micaceous pigments formed without

Details Rutile titanium dioxide coated micaceous pigments formed without Rutile titanium dioxide coated micaceous pigments formed without

1994-11-07

1995-07-18

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

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

106415, 106417, 106449, 106461, C09C 306

Patent

active

054337798

ABSTRACT:
A pearlescent pigment comprising micaceous particles having an adherent layer of rutile titanium dioxide thereon is prepared by effecting the deposition of hydrous titanium dioxide on the micaceous particles in the presence of iron and calcium, magnesium and/or zinc ions without the use of tin.

REFERENCES:
patent: 4086100 (1978-04-01), Esselborn et al.
J. Oil Col. Chem. Assoc. 1967, 50, 495-507, V. Blechta et al., "The influence of additive and calcination on the pigment properties of titanium dioxide: Part III. The influence of some rutilisation catalysts."

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