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The document describes experiments to prepare urea formaldehyde and phenol formaldehyde resins. Urea formaldehyde resin is prepared through a condensation reaction between urea and formaldehyde in acidic medium. Phenol formaldehyde resin (Bakelite) is prepared by condensing phenol with formaldehyde in the presence of an acidic catalyst such as hydrochloric acid. The yields of the resins are measured and their properties and uses are discussed.

Author

Arjun

Language

EN