StrongLewisacids,thatis,electronacceptors,areoftencapableofinitiatingadditionpolymerizationofmonomerswithelectron-richsubstituentsadjacenttothedoublebond①.CationiccatalystsaremostcommonlymetaltrihalidessuchasAlCl3orBF3.Thesecompounds,althoughelectricallyn (共 6413 字) [阅读本文] >>