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