Formaldehyde → Melamine formaldehyde

Participants

Reaction Steps

Separately from the above operations, 11 parts of melamine, 21.2 parts of a 37% formaldehyde solution and 28.2 parts of water were mixed and the mixture was adjusted to a pH of 9 with sodium hydroxide and then dissolved by heating to obtain an aqueous solution of melamine-formaldehyde precondensate. This was added to said emulsifier solution and stirred at 70° C. for 2 hours to complete the reaction.

Provenance & Evidence