The Stearic Acid

Application of stearic acid:
   Stearic acid, that is, octadecanoic acid, structural formula: CH3 (CH2) 16COOH, produced by oil hydrolysis, mainly used in the production of stearate. Dissolved in 21ml ethanol, 5ml benzene, 2ml chloroform or 6ml carbon tetrachloride per gram. Mainly used in the production of stearate: sodium stearate, magnesium stearate, calcium stearate, lead stearate, aluminum stearate, cadmium stearate, iron stearate, potassium stearate. It is widely used in cosmetics, plastic cold-resistant plasticizers, release agents, stabilizers, surfactants, rubber vulcanization promoters, waterproof agents, polishing agents, metal soaps, metal mineral floatation agents, softeners, pharmaceuticals and other organic chemicals. In addition, it can also be used as solvent of oil-soluble pigments, crayons skidding agent, waxy paper finishing agent, emulsifier of stearic glycerol, etc. This product is used as lubricant, defoamer and food additive in food industry, such as glycerol stearate, sorbitol stearate, sucrose ester and so on. Raw materials used as auxiliaries and raw materials for daily chemical products. Stearic acid is widely used in the manufacture of PVC plastic pipe, sheet, profile and film. It is a PVC heat stabilizer with good lubricity and good light and thermal stability. In plastic PVC tube, stearic acid helps to prevent "coking" in the process of processing. Adding it to PVC film processing is an effective heat stabilizer, and it can prevent the discoloration of finished film caused by overloading in sulfide.
   Stearic acid in rubber industry plays an important role in the synthesis and processing of rubber. Stearic acid is a widely used vulcanizing agent in natural rubber, synthetic rubber and latex, and can also be used as plasticizer and softener. Stearic acid should be added as emulsifier in the process of producing synthetic rubber. Stearic acid can be used as foaming agent in the manufacture of foam rubber, and stearic acid can also be used as release agent for rubber products. Stearic acid in cosmetics industry is used in snowflake cream and cold cream to emulsify it into a stable white paste. Stearic acid is also the main raw material for making almond honey and milk. Stearic acid soap esters are more widely used in cosmetics industry.