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Nanostructured thermosets from ionic liquid building block–epoxy prepolymer mixtures

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Table 1 Chemical structures of the epoxy prepolymer and the phosphonium ionic liquid
Table 2 Curing of DGEBA –IL systems from DSC IL content (phr) IL–epoxy (mol/ratio) D H(J g #1 ) Maximum exothermtemperature (!C) 5 0.017 227 178 10 0.033 350 170 20 0.064 357 158
Fig. 3 FTIR spectra of DGEBA, IL 105 and blends with 10 phr of IL 105 subjected to heating at 80 ! C during different times: (1) 0 min, (2) 30 min, (3) 60 min; and second heating stage at 140 ! C for (4) 60 min and (5) 120 min.
Table 3 Dynamical mechanical analysis of epoxy –IL networks: Storage moduli at glassy and rubbery states as well as the main relaxation peak (Ta)
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