4-Methoxyphenol → Urethane acrylate
Reaktionsgleichung
C1C(CC2CCC(N=C=[O:16])CC2)CCC(N=C=O)C1.C[O:21][C:22]1[CH:28]=[CH:27][C:25]([OH:26])=C[CH:23]=1.[N-:29]=[C:30]=[O:31]>O>[C:25]([OH:16])(=[O:26])[CH:27]=[CH2:28].[NH2:29][C:30]([O:21][CH2:22][CH3:23])=[O:31]Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
An amount of dicyclohexylmethane-4,4′-diisocyanate (H12MDI) was added to a reaction vessel at room temperature. Heating jacket temperature was adjusted to 45° C. suspended in a room temperature water bath and stirred. When the reaction batch temperature was 45° C., dibutyltindilaurate, as catalyst, and hydroquinone methyl ether, as free-radical polymerization inhibitor, were also added. Pentaerytritol triacrylate was added incrementally to control exothermic activity. When the exothermic activity ceased the result of Stage 1 was added and batch temperature was adjusted to 60° C. The batch was kept at 60° C. until no free isocyanate was detected by FTIR. Viscosity of the result was 11,750 cP at 25° C. and it readily mixes with water. When the result was diluted with equal amount (by weight) of water viscosity was 150 cP at 25° C.