Coating classification: pearlescent pigment
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Last Update: 2020-04-03
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Source: Internet
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Author: User
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Core tip: what is pearlescent pigment? Pearlescent pigment is a kind of mica flake crystal coated with titanium dioxide Because of its lamellar structure and high refractive index, the pigment has unique pearlescent luster This luster is a charming pearl luster between "soft satin" and "flash", soft and bright Pearlescent pigments show color effect through the optical effect of film light interference The interference of light reflected from different film surfaces, similar to an oil film or soap bubble on water Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Paint Home News: what is pearlescent paint? Pearlescent pigment is a kind of mica flake crystal coated with titanium dioxide Because of its lamellar structure and high refractive index, the pigment has unique pearlescent luster This luster is a charming pearl luster between "soft satin" and "flash", soft and bright Pearlescent pigments show color effect through the optical effect of film light interference Color comes from the interference of light reflected from different film surfaces, similar to the color produced by oil film or soap bubble on water What are the optical properties of pearlescent pigments? Pearlescent pigments have unique optical properties and are multi-color, that is, when viewed from different angles, they present different colors Sometimes you can see the reflection color, sometimes you can see the transmission color and diffuse color (they are complementary colors) For example, if a small amount of traditional transparent absorption pigment spoon pearlescent pigment is mixed, and the color of absorption pigment is the same as diffuse reflection color, then the effect of multi-color is more obvious It is this multi-color effect that gives the coating a dreamlike decorative effect Another optical effect of polychrome is that when the pearlescent pigment coating is on the surface, it can produce the effect of scattered light and shade and distinct layers Moreover, when the angle of view is constantly changed, the scattered light and shade points will move with the change of the observer's angle of view, which is not achieved by ordinary pigments This characteristic of pearlescent pigment makes the camouflage paint show unique decoration effect How many types of pearlescent pigments are there? Pearlescent pigment is composed of titania coated mica sheet According to different hues, it can be generally divided into three categories (1) According to the different types of titanium dioxide, coating rate and particle size, the silver white series can obtain more than ten kinds of silver white pearl luster pigments Large particles show a metallic shimmering luster, while small particles show a silky soft luster Generally, the titania coated on mica is anatase type If good weather resistance is required, rutile titanium dioxide can be selected as pearlescent pigment coated with mica (2) Rainbow color series the rainbow like effect of this series of pigments is produced by the interference of light The change of the thickness of titanium dioxide film will cause the change of rainbow color When the white incident light hits the surface of the pigment, some of the light will reflect (only set as red light at this time) The other part is relatively complementary (green light at this time) and will penetrate, thus forming different reflected light and penetrating color light (3) There are two types of pearl luster in color series ① After the natural mica surface is covered with titanium dioxide, it is covered with a layer of iron oxide pigment, which not only has pearl luster, but also has the color of iron oxide, combined with a special color pearl luster pigment ② The natural mica surface is directly covered with iron oxide, which is a kind of color pearlescent pigment with strong luster, strong coloring power and metallic hue Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,
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