Reaction #50341

Reaction equation

3-Isocyanatopropyltriethoxysilane

3-aminopropyltriethoxy-silane

→

Urea TEOS

Conditions

Workup

1. 1
   workup.WAITAfter sixty minutes
2. 2
   Otherthe exothermic reaction
3. 3
   Otheris complete yielding a white waxy solid with the following structure

Procedure

3-Isocyanatopropyltriethoxysilane (12.4 g, 50 mmol) is added dropwise over a period of 25 minutes to vigorously stirred 3-aminopropyltriethoxy-silane (11.6 g, 50 mmol). After sixty minutes, the exothermic reaction is complete yielding a white waxy solid with the following structure: ##STR7##

Source