When a peroxide initiator is added in the initiation process and eventually becomes part of a polyethylene radical, does it remain part of the complete polymer at the end after termination? Or does it somehow just disappear...
For example:
R-O-C-C-C-C + C-C-C-C-O-R ----> R-O-C-C-C-C-C-C-C-C-O-R