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
Separately, a commercially available melamine powder was added in an aqueous 37% formaldehyde, and the pH of the mixture obtained was adjusted to 9.0 using a sodium hydroxide solution, followed by heating at a water temperature of 60° C. for 30 minutes to obtain a melamine-formaldehyde prepolymer.
Workup
- customthe pH of the mixture obtained
Sources & evidence
- ORD record
- ord-83c0ae90ebfa4f489a1c61ff6860766d
- Source dataset
- uspto-grants-2000_02
- Patent number
- US06025112
Reaction notes
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