Also claimed is a process in which the cyclosiloxane is present together with {HEAD ~ an agent} which inhibits {TAIL ~ catalyst activity} of the phosphazene base, 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 { HEAD ~ an agent } which inhibits { TAIL ~ catalyst activity } of the phosphazene base , 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 HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL 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