The Tomsk Scientific Center (TSC) SB RAS has created a technology for producing finely dispersed inorganic pigments of three colors. The new method is faster and less expensive compared to similar technologies.
The developers used aluminum hydroxide. It prevented sintering and crystal growth during synthesis and accelerated the production process by eliminating the grinding stage required to obtain particles of the desired size.
Under normal conditions, this can take a long time, because spinel-type pigments have a hardness only slightly less than that of diamond. The synthesis of pigments takes place at temperatures from 1,200 to 1,600 degrees Celsius and lasts no more than a minute, without requiring a large consumption of electricity.
Inorganic pigments are used in paints for various products, in paints and varnishes, building mixtures, and as colored fillers for polymers for 3D printing. Scientists managed to obtain pigments of three colors—khaki, blue, and green.
Earlier, www1.ru reported that Ural scientists invented a unique food packaging.
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