{TAIL ~ A process} for preparing a Polyamide polymer based on a dicarboxylic acid and a diamine by {HEAD ~ polycondensation} in an extruder, which comprises 
{ TAIL ~ A process } for preparing a Polyamide polymer based on a dicarboxylic acid and a diamine by { HEAD ~ polycondensation } in an extruder , which comprises
TAIL TAIL TAIL TAIL TAIL TAIL 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