27-1 Chain-Growth Polymers Acid-catalyzed (cationic)polymerization is effective only with vinyl monomers that contain an electron-donating group (EDG) n EDG stabilized the chain-carrying carbocation intermediate EDG EDG EDG EDG EDG EDG A H2C=CH H-CH2-CH+ H2C=CH CH3CH-CH2CH+ Repeat CH2-CH方 where EDG an electron-donating group Cengoge Learing.All Rights Poserved Acid-catalyzed (cationic) polymerization is effective only with vinyl monomers that contain an electron-donating group (EDG) ▪ EDG stabilized the chain-carrying carbocation intermediate 27-1 Chain-Growth Polymers