Formaldehyde → Melamine formaldehyde

Participants

Reaction Conditions

Reaction Steps

A mixture of 630 g of melamine and 1620 g of an aqueous 37% solution of formaldehyde (hereinafter referred to as formalin) adjusted to pH of 9.0 by addition of an aqueous 2% solution of sodium hydroxide was heated to 70° C., and after the dissolution of melamine into formalin, 2250 g of water were added to the mixture and the whole mixture was stirred for 3 min to obtain an aqueous solution of melamine-formaldehyde prepolymer.

Provenance & Evidence