Natural Pigments

This group includes lead, zinc and titanium white, vermilion, chrome oxide, etc. Synthetic organic pigments are colored organic compounds that contain carbon. Usually they are insoluble or slightly soluble in water and other solvents. They different light and atomosferostoykostyu, high coloring power and are typically used for interior decorative works. Resins are adhesives, synthetic, oil, emulsion and mineral compositions. There is also a These include the type of paint coatings – farblaki.

These pigments are prepared by deposition of aniline dyes in the white (chalk, kaolin, talc, feldspar) basis. Metallic pigments (powdered) – powders made from various non-ferrous (copper, zinc, aluminum, bronze, etc.) or metal alloys. Mixed with a binder (linseed oil, varnish), they are used for coloring metal surfaces corrosion, and adhesives – for bronzing, rolling and finishing of decorative art and painting. Encouraged not only to apply the powder with binders having a neutral or low acid number. Group of additives used in paint work to add colors or any other features (temperature resistance and etc.) divided by the dyes and pigments. Dyes are organic compounds and used in the manufacture of transparent colored varnish, stains, stain and etc. The main feature of both natural and synthetic dyes is the color.

The natural dye extracts include pigments derived from the roots and bark of trees or flowers of various plants (buckwheat, turmeric, madder root, sandalwood, bark, apple, alder, and etc.) as well as of living organisms (cochineal, which is extracted from the color – carmine, the allocation of cuttlefish, mussels). Synthetic dyes extracted from coal tar, obtained in coking coal. The most famous are bright magenta-red, reddish-pink and violet-colored alizarin mordant dyes and Alcohol-. Pigments are shredded colored mineral (natural), synthetic (organic and inorganic) and metal insoluble in water, solvents and foaming agents, on the surface with zareplyaemye through binding compounds (drying oils, varnishes, resins) and forming a protective or decorative protective film.

Comments are closed.

© 2011-2020 RSAWS All Rights Reserved