Table 4.
Values of the storage modulus (E´) of adhesive polymers for various temperatures
Vacuum Dried Samples | ||||
---|---|---|---|---|
Samples | Storage Modulus (MPa) | |||
25 °C | 37 °C | 70 °C | >175 °C (rubbery region) |
|
C0 | 3600 (104) | 3300 (102) | 2300 (11) | 24.0 (0.3) |
C8 | 3300 (65) | 3100 (76) | 2400 (53) | 25.4 (1.3) |
C16 | 3100 (102) | 2900 (109) | 2200 (103) | 21.6 (1.0) |
E0 | 3700 (222) | 3400 (197) | 2100 (76) | 28.5 (1.9)* |
E8 | 3600 (69)** | 3300 (59)** | 2400 (64) | 39.9 (3.8)** |
E16 | 3400 (183)# | 3200 (178) | 2300 (101) | 40.6 (4.0)# |
Water-submersed Samples | ||||
Samples | Storage Modulus (MPa) | |||
25 °C | 37 °C | 70 °C | >175 °C (rubbery region) |
|
C0 | 2400 (121) | 1900 (100) | 261 (46) | - |
C8 | 2200 (35) | 1800 (46) | 345 (94) | - |
C16 | 2000 (28) | 1700 (30) | 454 (70) | - |
E0 | 2300 (118) | 2000 (111) | 398 (81)* | - |
E8 | 2400 (225) | 2100 (197) | 800 (73)** | - |
E16 | 2000 (125) | 1700 (116) | 730 (50)# | - |
n = 5 +/− (S.D.).
Significantly (p < 0.05) different from control C0
significantly (p < 0.05) different from control C8
significantly (p < 0.05) different from control C16.