Formaldehyde → Melamine formaldehyde

HRID 618618Notes

Reaction equation

HRID 618618 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

HCID 712FormaldehydeHCID 7955MelamineHCID 14798Sodium Hydroxide

Product 1

HCID 93374Melamine formaldehyde

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

Separately from the above, commercially available melamine powder was added to an aqueous 37% formaldehyde solution, 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

  1. customthe pH of the mixture obtained

Sources & evidence

ORD record
ord-0ee72f31a3af413998b1f2e77b7dbd57
Source dataset
uspto-grants-1999_09
Patent number
US05955237

Reaction notes

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