TABLE II.
Sample | Dry Condition
|
Wet Condition
|
||||||
---|---|---|---|---|---|---|---|---|
Modulus at 37°C (MPa) | Rubbery Modulus (MPa) | Tg1 (°C) | Tg2 (°C) | ΔTg (°C) | Modulus at (MPa)
|
Tg a(°C) | ||
37°C | 75°C | |||||||
C0 | 4129 ± 149 | 39 ± 1 | 69.1 ± 3.3 | 139.0 ± 1.3 | 69.9 ± 3.8 | 2123 ± 126 | 550 ± 41 | 61.2 ± 0.6 |
C1 | 4665b ± 148 | 61b ± 1 | 65.7 ± 2.7 | 133.2 ± 2.6 | 67.5 ± 5.2 | 2112c ± 14 | 370b,c ± 24 | 59.6b,c ± 0.5 |
E1-15 | 4497b ± 73 | 77b ± 2 | 63.0b ± 1.8 | 135.4 ± 2.8 | 72.4 ± 4.5 | 2294c ± 76 | 387b,c ± 19 | 59.7b,c ± 0.1 |
E1-25 | 4585b ± 88 | 98b ± 2 | 62.8b ± 0.1 | 145.0 ± 2.9 | 82.2b ± 2.9 | 2109c ± 102 | 639b,d ± 32 | 60.9c,d± 0.1 |
E1-35 | 4783b ± 77 | 95b ± 6 | 60.9b ± 2.6 | 143.5 ± 3.3 | 82.6b ± 3.4 | 1696b,d ± 65 | 447b,e ± 19 | 58.5b,e ± 0.0 |
Tg is obtained from the derivate storage modulus–temperature profile.
Significantly (p < 0.05) different from control C0.
Significantly (p < 0.05) different from each other.