In the high pressure of {HEAD ~ polymerization} of ethylene homopolymer or copolymers conditions in the reactor may become unstable leading to the decomposition of {TAIL ~ the reaction mixture} 
In the high pressure of { HEAD ~ polymerization } of ethylene homopolymer or copolymers conditions in the reactor may become unstable leading to the decomposition of { TAIL ~ the reaction mixture }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL