Reaktion #6420

ord-a595f883ebd94deb981e91be38be3c2a

Reaktionsgleichung

Nc1nc(N)nc(N)n1
melamine
C=O
formaldehyde
[Na+].[OH-]
sodium hydroxide
→
C=O.Nc1nc(N)nc(N)n1
melamine-formaldehyde

Edukte

Nc1nc(N)nc(N)n1
melamine
C=O
formaldehyde
[Na+].[OH-]
sodium hydroxide

Reagenzien

Keine

Lösungsmittel

O
water

Reaktionsbedingungen

Temperatur
60°CELSIUS
Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    workup.DISSOLUTIONdissolution

Vorschrift

Separately, a mixture comprising 10 parts of melamine, 25 parts of 37% aqueous formaldehyde solution and 65 parts of water was adjusted to pH 9.0 with sodium hydroxide and was heated at 60° C. with stirring to perform dissolution to obtain a transparent melamine-formaldehyde precondensate.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US05248555uspto-grants-1993_09