Kinetic study of the reactions of chlorine atoms with ethyl vinyl ether and propyl vinyl ether

Kinetic study of the reactions of Cl atoms with EVE and PVE was performed using the absolute rate method over the temperature range 253–298 K at 1 Torr. The obtained Arrhenius expressions were kEVE = (8.0 ± 1.4) × 10−10 exp[(−349 ± 21)/T] cm3 molecule−1 s−1 and kPVE = (1.9 ± 0.3) × 10−9 exp[(−450 ± 18)/T] cm3 molecule−1 s−1. H-atom abstraction is likely to be the main reaction pathway as HCl was detected. The atmospheric lifetimes of EVE and PVE were evaluated, which demonstrates Cl atoms may play an important role for the sink of EVE and PVE.