Also claimed is a process in which the cyclosiloxane is present together with an agent which inhibits catalyst activity of {TAIL ~ the phosphazene base}, {HEAD ~ e.g. carbon dioxide} or water, in which the polymerisation is initiated by reducing the effect of the inhibiting agent e.g. by heating 
Also claimed is a process in which the cyclosiloxane is present together with an agent which inhibits catalyst activity of { TAIL ~ the phosphazene base } , { HEAD ~ e.g. carbon dioxide } or water , in which the polymerisation is initiated by reducing the effect of the inhibiting agent e.g. by heating
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH