White titania pearlescent pigment

Abstract

The invention discloses a white titania pearlescent pigment. The white titania pearlescent pigment is characterized in that a base material lithopone is matched with an aluminum hydroxide gel and titania, a gel film is formed on the surface of lithopone under the action of the aluminum hydroxide gel, the lithopone gel film is chemically coated by titania, and the aluminum hydroxide gel film is coated with a layer of a coloring agent to form a metal oxide composite coat. The coloring agent is ferric oxide. The white titania pearlescent pigment is optically variable, has a good brightness and color saturation, has a far lower price than a titania pigment, has a better whiteness than titania, has near main performances with titania, and has the advantages of short process flow, simple technological conditions, only adoption of a routine chemical industry apparatus, and convenience for the industrialized production. An inorganic metal oxide-ferric oxide is coated, so the white titania pearlescent pigment has a high stability and does not fade at a high temperature.

Description

technical field [0001] The invention relates to a pigment, in particular to a white titanium dioxide pearlescent pigment. Background technique [0002] Pearlescent pigments are widely used in various fields, such as automobile, motorcycle, bicycle coating, powder coating, architectural coating, pearlescent ink, pearlescent leather, pearlescent plastic products, pearlescent cosmetics, papermaking, printing and dyeing, printing, rubber, ceramics and other industries. In particular, titanium dioxide pearlescent pigments can not only obtain the effect of high-gloss color flickering, but also obtain the effect of softer luster, and the market application value is huge. [0003] However, the current research on high-grade pearlescent pigments in my country still cannot meet the needs of the market, especially titanium dioxide pearlescent pigments, which are very expensive. Limiting its wider use and promotion. In particular, the preparation method is cumbersome, the steps are m...

AI Technical Summary

Problems solved by technology

[0003] However, the current research on high-grade pearlescent pigments in my country still cannot meet the needs of the market, especially titanium dioxide pearlescent pigments, which are very expensive

limits its wider use and promotes

In particular, the preparation method is cumbersome, the steps are many, the reaction process takes a long time, and it is not easy to control and realize industrialization; the interference effect between the layers of the finished pigment product is weak, and there are low brightness and saturation. , easy to fade and other deficiencies

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