During previous work in our group
the thermoreversible covalent cross-linking of maleated ethylene/propylene copolymer
(MAn-g-EPM) with diols [24] was studied, while ionic interac-
tionswithmetal cations [25] and hydrogen bonds combinedwith
ionic interactions [26] were explored as well. MAn-g-EPM
cross-linkedwith diols (Scheme 1A)was repeatedly processable