4,4-Oxydianiline powder Raw Materials CAS 101-80-4

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Uses and synthesis of 4,4'-Oxydianiline powder

4,4'-Oxydianiline CAS 101-80-4 As a special engineering material with high temperature resistance, radiation resistance and high mechanical strength, 4,4'-Oxydianiline powder is used in films, coatings, fibres, aerospace, electrical and electronic industries, foams and photoresists, etc. 4,4'-Oxydianiline Raw Materials is one of the main raw materials. Oxydianiline Raw Materials is one of the main raw materials.

Applications / Functions of 4,4'-Oxydianiline powder

• 4,4'-Oxydianiline powder is used as a monomer for polyimide, a high-temperature-resistant polymerisation material, and is also used in the plastics industry.
• 4,4'-Oxydianiline CAS 101-80-4 Used as intermediate of dyestuff, also used in resin synthesis.

Fragrance. Dye intermediate. Resin synthesis.

Physicochemical Property of 4,4'-Oxydianiline powder

White or light yellow crystal. Odourless.

Production methodprocess of 4,4'-Oxydianiline powder

1. Add 515kg of solvent nitrobenzene into the stirred reactor, then add 145kg of nitrochlorobenzene, 123.5kg of p-nitrophenol, 95.7kg of sodium carbonate and 6.18kg of potassium chloride into the stirred reactor in turn, and then raise the temperature to 210~215℃ under stirring, and keep the reaction at this temperature for 24h.
2. After the condensation reaction was completed, the product was cooled down, and the condensed material was pumped to the distillation unit, and vacuum distillation was carried out first, and when the nitrobenzene was evaporated out of 350~400L, it was changed to water vapour distillation, and evaporated until there was no nitrobenzene in the distillate. The residue was filtered by suction, and the filtrate was washed with water until it was colourless, then 4,4'-Oxydianiline Raw Materials was produced. 

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