It has been found that if a reactor vessel has been previously coated on {HEAD ~ the interior surfaces} with the proper coating, undesirable polymer build up on {TAIL ~ said surfaces} can be substantially decreased, and in some cases entirely eliminated, when polymerizing olefinic monomers therein 
It has been found that if a reactor vessel has been previously coated on { HEAD ~ the interior surfaces } with the proper coating , undesirable polymer build up on { TAIL ~ said surfaces } can be substantially decreased , and in some cases entirely eliminated , when polymerizing olefinic monomers therein
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH