Another broad and strong vibration at
3620–3199 cm1 also appeared, and is related to the NAH stretching
of ANHA/ANH2 groups of DETA [48]. In addition, the weak
basic exchange capacity of CMPS_pc/PMADETA IPNs is determined
to be 1.829 mmol/g, while that of CMPS_pc/PGMA IPNs is zero