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Date: 11-9-2017
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Uses of Formaldehyde.
Formaldehyde is the simplest and most reactive aldehyde. Condensation polymerization of formaldehyde with phenol, urea, or melamine produces phenol-formaldehyde, urea formaldehyde, and melamine formaldehyde resins, respectively. These are important glues used in producing particle board and plywood. Condensation of formaldehyde with acetaldehyde in presence of a strong alkali produces pentaerythritol, a polyhydric alcohol for alkyd resin production:
Formaldehyde reacts with ammonia and produces hexamethylenetetramine (hexamine):