Any suitable apparatus which permits intimate mixture of the polymer and core materials, the introduction of {TAIL ~ the supercritical fluid} at a pressure sufficient to maintain its supercritical state, release of pressure from the system, {HEAD ~ expansion} of the preparation and separation of the SCF can be used for this process 
Any suitable apparatus which permits intimate mixture of the polymer and core materials , the introduction of { TAIL ~ the supercritical fluid } at a pressure sufficient to maintain its supercritical state , release of pressure from the system , { HEAD ~ expansion } of the preparation and separation of the SCF can be used for this process
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH