Main applications of zinc carbonate hydroxide_industrial additives

Main application background and overview of zinc carbonate hydroxide

Chemical formula ZnCO₃·2Zn(OH)₂·H₂O. Molecular weight 342.15. White amorphous powder. Relative density 4.42~4.45. Soluble in dilute acids and alkali, slightly soluble in ammonia and ammonium salts, insoluble in water, ethanol and acetone. It decomposes into carbon dioxide and zinc oxide at 300°C. It reacts with H₂O₂ to release CO₂ to form peroxide. Fluorescence can occur when heated at 250 to 500°C for different times and cooled to room temperature.

Main applications of zinc carbonate hydroxide

Zinc carbonate hydroxide can be used to make latex film products, pigments, rayon, catalytic desulfurizers, and is used in medicine as a light astringent, preservative, disinfectant and skin protectant. Examples of its application are as follows:,

1) Prepare a skin care composition with anti-acne effect. The skin care composition contains the following functional ingredients in parts by weight: zinc carbonate hydroxide 0.01-2; borax 0.01-0.1; amber powder 0.001-0.01; pearl powder 0.001-0.05; salicylic acid 0.5-2; borneol 0.1- 1; Salvia miltiorrhiza extract 0.1-1; Lilac flower extract 0.075-0.75; Scutellaria baicalensis root extract 0.065-0.65; Licorice root extract 0.05-0.5; Potassium azelayldiglycinate 0.12-1.2; Sophora flavescens root extract 0.05- 0.5; vitamin B60.01-0.1; Houttuynia cordata extract 0.01-0.5; mint leaf oil 0.5-5. The skin care composition of the present invention has a scientific and rigorous formula, definite efficacy and no toxic or side effects, has the effect of significantly reducing skin roughness and removing acne, and has good skin feel.

2) Prepare a Lithospermum ointment. Lithospermum ointment involved in the present invention belongs to the field of daily chemicals. The active ingredients of this comfrey ointment include comfrey root extract, olive oil, tocopheryl acetate, lavender oil, pearl powder, amber powder and zinc carbonate hydroxide. The preparation method is to crush pearls and amber with airflow and mix them with other active ingredients, ointment base, thickener and stabilizer to obtain a product. The present invention uses ultrafine powder technology to process the main components in the formula, so that the functional ingredients of the product can easily penetrate the skin and mucous membranes and enhance the effect. The Lithospermum ointment of the present invention can eliminate redness and swelling when applied to mosquito bites, and has obvious effects on mild skin trauma and red buttocks. At the same time, the Lithospermum ointment of the present invention has no preservatives, no harm to the skin, is safe and non-irritating, and is very suitable for use by infants and young children.

3) Prepare an anti-eye bag eye cream, made of the following raw materials in parts by mass: 5-7 parts of bisabolol, 2-4 parts of sodium p-toluate, and 1-3 parts of zinc carbonate hydroxide , 3-5 parts of monoglyceryl stearate, 4-7 parts of propyl hydroxybenzoate, 8-10 parts of glycerin, 3-5 parts of polyacrylamide, 5-8 parts of bitter orange flower extract, 4-7 parts of Pueraria lobata oil 6 parts, soy lecithin 11-14 parts, hyaluronic acid 12-14 parts, formyl phenylboronic acid collagen 14-16 parts, ginseng extract 11-15 parts, yam extract 9-11 parts. The invention can balance the moisture and oil of eye skin, prevent and eliminate eye bags, and remove eye wrinkles and dark circles.

4) Prepare a hydrating and whitening eye cream, characterized in that the eye cream contains the following components by weight: 3-5 parts of pearls, 2-4 parts of borax, 0.3-0.5 parts of muscone, 2-0 parts of oil phase 3%, zinc carbonate hydroxide 0.2-0.4 parts, alcohol mixture 1-2 parts, stearic acid monoglyceride 0.05-0.08 parts, propyl hydroxybenzoate 0.06-0.08 parts, glycerol 5-7 parts, polypropylene Amide 0.8-1 part, EDTA disodium 0.1-0.3 part, methylparaben 0.2-0.5 part, soy peptide 0.2-0.4 part, oxidoreductase 1-2 part, hydrolyzed rice bran protein 1-2 part, polydimethyl 0.6-0.8 parts of silicone, 0.05-0.08 parts of propyl hydroxyphenyl ester, 1-2 parts of bismuth subcarbonate of citric acid, 0.2-0.5 parts of preservative imidazolidinyl urea, 0.3-0.5 parts of fragrance, 100 parts of deionized water . The eye cream of the present invention is non-greasy, easy to spread, comfortable to use, enhances the vitality of eye cells, has the advantages of small dosage and quick effect. It can significantly improve the gloss, brightness, viscosity and other appearance indicators of the eye cream, has no side effects, and is effective for normal people. No irritation or adverse reactions to human skin.

The main application methods of zinc carbonate hydroxide

Crude zinc sulfate is obtained by the reaction of zinc oxide and sulfuric acid, and then reacted with soda ash after oxidation and impurity removal.