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Class of resins formed by reaction of formaldehyde with amino functional groups of compounds such as melamine, urea and benzoguanamine. The resulting resins undergo etherification with alcohols to promote solubility in hydrocarbon solvents and also to enable cross-linking reactions with hydroxyl and carboxyl functional groups on other resins during film formation. Most commonly used amino resins, listed in order of consumption amount, are urea formaldehyde resins, melamine formaldehyde resins and benzoguanamine resins.