✍ Scribed by Adrien Criqui; Jacques Lalevée; Xavier Allonas; Jean-Pierre Fouassier
No coin nor oath required. For personal study only.
The cleavage of different photoinitiators (PIs) of polymerization is investigated by the ESR spin trapping using two different spin traps (STs): 5,5′‐dimethyl‐1‐pyrroline N‐oxide (DMPO) and phenyl N‐tert‐butyl nitrone (PBN). The hyperfine splitting constants for the different adducts are measured and provide a new set of data. These results show a difference of selectivity between the two (STs) and outline their complementarities.
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