METHOD OF OBTAINING LEAD STEARATE Russian patent published in 2014 - IPC C07C53/126 C07C51/41 C08K5/98 

FIELD: chemistry.

SUBSTANCE: method of obtaining lead stearate includes the interaction of stearic acid with a water suspension of lead oxide with heating and intensive mixing with further filtration, drying, pre-packing and packing. Water, acetic acid as a catalyst and lead oxide are loaded with obtaining the water suspension of lead oxide. After that, it is heated to a temperature of 75-80°C and stearic acid is added, circulation is performed for 60-90 min at a temperature of thermal processing to 75-80°C. After that, the suspension of lead stearate is transferred into a condition of a stable emulsion, exposed at the said temperature for 100-120 min to pH of the solution being 4.0-6.0, acidic number to 0.5 mg and the content of the main substance 26-28%, with the following addition of water, mixing and filtration. The product drying is performed by hot air at a temperature of 60-80°C.

EFFECT: simplification of the technological process and an increase of the final product quality.

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