Formaldehyde → Melamine formaldehyde
Reaction equation
[N:1]1[C:8]([NH2:9])=[N:7][C:5]([NH2:6])=[N:4][C:2]=1[NH2:3].[CH2:10]=[O:11].[OH-].[Na+]>O>[CH2:10]=[O:11].[N:1]1[C:8]([NH2:9])=[N:7][C:5]([NH2:6])=[N:4][C:2]=1[NH2:3]Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
Commercial melamine powder was added to an aqueous 37% formaldehyde solution, and the pH of the obtained mixture was brought to 9.0 with sodium hydroxide solution. The mixture was heated for 30 minutes at a water temperature of 60° C. to obtain a melamine-formaldehyde prepolymer.
Sources & evidence
- ORD record
- ord-e1d085a43b6d4b0984a5e401a4638a02
- Source dataset
- uspto-grants-2002_01
- Patent number
- US06342329B1
Reaction notes
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