Reaktionsgleichung
[NH2:1][C:2]([NH2:4])=[O:3].[CH2:5]=[O:6]>>[NH2:1][C:2]([NH2:4])=[O:3].[CH2:5]=[O:6].[NH2:1][C:2]([NH2:4])=[O:3]Komponenten
4
Versuchsvorschrift
8.9 kg of urea and 20.5 kg of formalin (37%-formaldehyde aqueous solution adjusted to pH 8.5 with triethanolamine) were mixed under stirring and allowed to react with each other for 60 min. at 70° C. to form a urea resin prepolymer (formaldehyde/urea=1.8 (by mol)) liquid.
Aufarbeitung
- customto react with each other for 60 min. at 70° C.
Quellen und Nachweise
- ORD-Eintrag
- ord-c538a986c1e74550b5f5796ca3a626fc
- Quelldatensatz
- uspto-grants-2002_11
- Patentnummer
- US06486099B2
Verknüpfte Notizen
Wird geladen…