Can aluminum stearate be used as an environmental stabilizer?

It is used as a heat stabilizer for polyvinyl chloride, a rust inhibitor for metals, a waterproofing agent for building materials, an emulsifier for cosmetics, a brightener and thickener for coatings and inks, a lubricant for plastic products, and a defoamer for oil drilling.

Stearate has both lubricity, waterproofing, calendering and high melting point, and is widely used in industry as lubricants, waterproofing agents, stabilizers, release agents, decolorizing agents, thickeners, fungicides and catalysts. The scope of application of various stearates is different, and the following is briefly introduced:

1. Application in the grease industry.

Stearate has the effect of gelatinizing mineral oil and polar solvents, and these liquids are heated and cooled to form colloids. The stearate used in the stearate mineral oil system of grease is mostly calcium stearate, aluminum stearate, lead stearate, lithium stearate, magnesium stearate, zinc stearate and other metal salts, and the addition amount is a few percent to ten percent of mineral oil.

The stearate in the grease mainly plays the role of gelatinization, increasing the pour point and increasing the consistency. Lubricating oil can be prepared by thickening fatty acids, calcium, etc. Grease containing composite aluminum soap can be obtained by the reaction of aluminum isopropanol with stearic acid and benzoic acid.

When 1% fish oil, fatty acid, lead and vulcanized modified oil are mixed in aluminum, barium soap, calcium soap mixture, lithium soap or sodium soap, the prepared grease has the characteristics of extreme pressure resistance. Lithium stearate with a hydroxyl group can also be used to make high-pressure greases.

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Aluminum soap, lead soap, magnesium soap, zinc soap, etc. are also used in metal processing, such as aluminum stearate in the additives used in aluminum tube drawing. Stearate carboxylic acid can be used as a lubricant and thickener in unsaturated polyesters.

Mainly used in the production of stearate: sodium stearate, magnesium stearate, calcium stearate, lead stearate, aluminum stearate, cadmium stearate, iron stearate, potassium stearate Widely used in cosmetics, plastic cold-resistant plasticizers, release agents, stabilizers, surfactants, rubber vulcanization accelerators, waterproofing agents, polishing agents, metal soaps, metal mineral flotation agents, softeners, pharmaceuticals and other organic chemicals. In addition, it can also be used as a solvent for oil-soluble pigments, a crayon lubricating agent, a wax paper polishing agent, and an emulsifier for glycerol stearate.

Plastic industry Stearic acid is widely used in the manufacture of PVC plastic pipes, plates, profiles, and films. It is a PVC heat stabilizer, which has good lubricity and good light and heat stabilization. In plastic PVC pipes, stearic acid helps to prevent the processing of stearic acid"Coking"It is an effective heat stabilizer added in PVC film processing, and at the same time, it can prevent the discoloration of the finished film caused by the violent placement in the sulfide.

Rubber industry Stearic acid plays an important role in the synthesis and processing of rubber. Stearic acid is a widely used vulcanizing active agent in natural rubber, synthetic rubber and latex, and can also be used as a plasticizer and softener. In the process of producing synthetic rubber, stearic acid needs to be added as an emulsifier, in the manufacture of foam rubber, stearic acid can be used as a foaming agent, and stearic acid can also be used as a release agent for rubber products.

Cosmetics industry Stearic acid is used in two types of skin care products, alabaster cream and cold cream, to emulsify and turn it into a stable and white paste. Stearic acid is also the main ingredient in the manufacture of almond honey and milk. Sapononers are more widely used in the cosmetics industry.

white or yellowish powder, insoluble in water, ethanol, ether; Melt in alkali solution and kerosene, and decompose into stearic acid and corresponding aluminum salts in case of strong acid. It can be used as a heat stabilizer for polyvinyl chloride, a rust inhibitor for metals, a waterproof agent for building materials, an emulsifier for cosmetics, a brightener and thickener for coatings and inks, a lubricant for plastic products, and a defoamer for oil drilling.

Stearic acid is widely distributed in nature and is found in many vegetable oils and animal fats. The content of animal fat is higher than that in vegetable oils, such as butter can reach 24%, tea oil, palm oil 6%, but cocoa butter up to 34%.

It is used in wax, plastics and cosmetics, and can also be used to soften rubber or hard fertilizer soap. [3] Stearate can give shampoos, soaps, and cosmetics a pearly shine. Applying stearic acid to the surface of metal powders such as aluminum and iron in fireworks can prevent oxidation.

or as a hardener in candy.

Depending on the situation, such as heat stabilizer for polyvinyl chloride, rust inhibitor for metal, waterproofing agent for building materials, emulsifier for cosmetics, brightening agent and thickener for coatings and inks, lubricant for plastic products, defoamer for oil drilling, etc. It's not very clear, but you want to choose a surfactant mainly depends on its structure and HLB value, as for W90, it is just the code of the product, which has no meaning. The use of W90 by different companies may represent different products.

Calcium stearate can be used as a PE heat stabilizer, but it should be noted that it will be a little yellowish when used alone, and it is recommended to use it in combination with zinc stearate to produce synergistic effects.

Calcium stearate is generally used as an auxiliary heat stabilizer for PVC, and it is not recommended to use PE heat stabilizer. If you want to use it in PE, it is recommended to use a small amount of talcum powder or high-temperature resistant rubber into it.

I don't know which manufacturer you are talking about the environmental stabilizer HJ-802A? The code name behind this should be a certain code name of the manufacturer! There are many kinds of environmental protection stabilizers, Hongyuan Chemical specializes in the production of environmentally friendly calcium and zinc stabilizers, but for different application fields, such as pipes, profiles, wires and cables, etc., there are different grades of environmentally friendly calcium and zinc stabilizers, and each product has a different role.

But the main thing is to play a role in thermal stabilization and prolong the plasticization time.