2,2'-methylenebis[4,6-di-tert-butylphenol] , also known as AO-70, is a chemical compound that serves as a highly effective antioxidant. It is widely recognized for its ability to prevent or retard the degradation of materials exposed to oxygen, heat, and light, thereby extending the shelf life and stability of various products by inhibiting oxidation reactions. AO-70 is valued for its high efficiency and excellent thermal stability, making it a crucial additive in a range of industrial applications.
2,2'-methylenebis[4,6-di-tert-butylphenol]
2,2'-methylenebis[4,6-di-tert-butylphenol] has important uses in many fields:
- Rubber industry: It can be used as an antioxidant for natural and synthetic latex. It can effectively delay the aging of rubber products caused by oxidation, light and heat during storage and use, extend the service life of rubber products, and maintain the stability of their physical and mechanical properties. It is often used in automobile tires, rubber seals, etc.
- Plastics and resins: 2,2'-methylenebis[4,6-di-tert-butylphenol] is an antioxidant for polyolefins, polyesters, synthetic resins, etc. During plastic processing and use, it can prevent or delay the oxidative degradation of polymers, prevent plastics from discoloration, brittleness, and mechanical property degradation, and improve the quality and durability of plastic products. It is commonly found in polyethylene, polypropylene plastic products, and polyester fiber products.
- Lubricant and mineral oil industry: It can be used as an antioxidant to inhibit the oxidation reaction of lubricants and mineral oils under high temperature, metal catalysis, etc. Reduce the harmful products such as acidic substances and colloids produced by oil oxidation, avoid the increase of oil viscosity and corrosion of metal parts, ensure the lubrication performance and stability of lubricating oil and mineral oil, and extend the oil change cycle.
- Cellulose plastics: 2,2'-methylenebis[4,6-di-tert-butylphenol] can prevent the performance degradation of cellulosic plastics due to oxidation. In the production and use of cellulosic plastics (such as cellulose acetate, etc.), it maintains its good transparency, strength and processing performance, and is widely used in films, sheets, injection molded products, etc.
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