Q1. Do one need to apply both initiator and promoter during unsaturated polyester resin production (UPR) without proceeding to composite production?

If yes. (2) Do one need to recover them after UPR production or they become part of the UPR compositions? It is understandable that one need to apply them for curing of UPR during composite...

22 October 2018 9,811 5 View