Research Article

Effects of Different Montmorillonite Nanoclay Loading on Cure Behavior and Properties of Diglycidyl Ether of Bisphenol A Epoxy

Table 3

Summary of isothermal rheological curing studies.

SampleCure temperature, °CGel time, sStorage modulus at gel point, PaViscosity at gel point, Pa·sActivation energy , KJ/mol

0 wt.% MMT603456 ± 16043810 ± 1209844 ± 24669.59 ± 1.78
701801 ± 9430380 ± 1676882 ± 161
801001 ± 698884 ± 1492977 ± 201
90391 ± 384606 ± 1921027 ± 88

1 wt.% MMT605821 ± 14184650 ± 30519010 ± 10965.26 ± 2.40
702981 ± 3924440 ± 2935492 ± 207
801631 ± 488106 ± 1501808 ± 86
90801 ± 214665 ± 1011031 ± 44

2 wt.% MMT605851 ± 12798170 ± 11922570 ± 36665.93 ± 1.9
703131 ± 4428260 ± 2466109 ± 127
801491 ± 2912010 ± 832138 ± 87
90841 ± 334767 ± 771073 ± 44

3 wt.% MMT605491 ± 97113300 ± 22825510 ± 18068.17 ± 1.97
702591 ± 13136685 ± 3117920 ± 179
801471 ± 4912700 ± 1082867 ± 112
90691 ± 375588 ± 981296 ± 66