Subsequent to the reaction completion {HEAD ~ the polysiloxane containing polymer} is recovered by {TAIL ~ expansion} of the liquefied gas or supercritical fluid  
is recovered by
Subsequent to the reaction completion { HEAD ~ the polysiloxane containing polymer } is recovered by { TAIL ~ expansion } of the liquefied gas or supercritical fluid
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH