Table 3. Composition of the EOG, MHHPA, and 2,4-EMI (Low-Viscosity Epoxy Resin: Methylhexahydrophthalic Anhydride + 2-Ethyl-4-methylimidazole, mEMI = (mEOG + MMHHPA) × wt %) Resin Samples.
| sample | EOG: MTHPA | stoichiometric ratio R [anhydride/epoxy] | temperature [°C] | EMI [wt %] |
|---|---|---|---|---|
| 1 | 100:100 | 1:1.18 | 80 | 0.5 |
| 2 | 100:93 | 1:1.1 | 80 | 0.5 |
| 3 | 100:85 | 1:1 | 80 | 0.5 |
| 4 | 100:77 | 1:0.9 | 80 | 0.5 |
| 5 | 100:68 | 1:0.8 | 80 | 0.5 |
| 6 | 100:85 | 1:1 | 60 | 0.5 |
| 7 | 100:85 | 1:1 | 60 | 1 |
| 8 | 100:85 | 1:1 | 60 | 2 |
| 9 | 100:85 | 1:1 | 60 | 3 |
| 10 | 100:85 | 1:1 | 60 | 4 |
| 11 | 100:85 | 1:1 | 80 | 0.1 |
| 12 | 100:85 | 1:1 | 80 | 0.5 |
| 13 | 100:85 | 1:1 | 80 | 1.0 |
| 14 | 100:85 | 1:1 | 80 | 1.5 |
| 15 | 100:85 | 1:1 | 80 | 2.0 |
| 16 | 100:85 | 1:1 | 100 | 0.01 |
| 17 | 100:85 | 1:1 | 100 | 0.05 |
| 18 | 100:85 | 1:1 | 100 | 0.1 |
| 19 | 100:85 | 1:1 | 100 | 0.15 |
| 20 | 100:85 | 1:1 | 100 | 0.2 |