Formaldehyde → Melamine formaldehyde

HRID 1065989Notes

Reaction equation

HRID 1065989 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>[N:1]1[C:8]([NH2:9])=[N:7][C:5]([NH2:6])=[N:4][C:2]=1[NH2:3].[CH2:10]=[O:11]

Participants

5

Reactant 3

HCID 712FormaldehydeHCID 7955MelamineHCID 14798Sodium Hydroxide

Product 1

HCID 93374Melamine formaldehyde

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

Separately, a commercially available melamine powder was added to a 37% aqueous solution of formaldehyde, the pH was adjusted to 9.0 with the aid of a sodium hydroxide solution, and the system was kept for 30 minutes at a water temperature of 60° C., yielding a melamine/formaldehyde prepolymer.

Sources & evidence

ORD record
ord-705011a018ed4b27831158cab3bbac37
Source dataset
uspto-grants-2001_06
Patent number
US06242149B1

Reaction notes

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