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[Chemical Knowledge]：Depth analysis of the difference between phenolic amide and phenolic amine

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Phenolic amides and phenolic amines are two common materials in the field of chemical engineering and materials, and they have obvious differences in properties and uses. Phenolic amide is a polyamide material, which is formed by condensation of phenol and formaldehyde under acidic conditions. It has excellent heat resistance and chemical resistance and is commonly used in the preparation of heat-resistant and corrosion-resistant plastic products. Phenalkamine is formed by condensation of phenol and formaldehyde under alkaline conditions, and its performance mainly depends on the type and content of amine groups. It is commonly used in the preparation of wear-resistant and corrosion-resistant coatings and adhesives. From the point of view of chemical structure, phenolic amides and phenolic amines are different in terms of polycondensation conditions and the groups contained in the reaction. In general, the main characteristics of phenolic amides are heat resistance and corrosion resistance, while phenolic amines pay more attention to wear resistance and corrosion resistance. In practical applications, the selection of appropriate materials can better meet the needs of the product.

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