Explain the preparation and application of urea formaldehyde
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JUST MARK AS BRAINLIEST
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UREA–FORMALDEHYDE (UF) FOAMS. Urea–formaldehyde foam is made by a condensation reaction in which the urea–formaldehyde resin is mixed with air, an aqueous detergent, and an acid catalyst. The foam is usually generated by mixing the air in with the resin and the catalyst in an application machine.
Explanation:
General uses
Urea-formaldehyde is pervasive. Examples include decorative laminates, textiles, paper, foundry sand molds, wrinkle-resistant fabrics, cotton blends, rayon, corduroy, etc. It is also used as wood glue. UF was commonly used when producing electrical appliances casing (e.g. desk lamps).
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