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Chemical composition, molecular weights, and PDIs of five chain extenders.
| Samples | GMA (mol%) | S (mol%) | MMA (mol%) | Nepoxy | Mn (g/mol) | Mw (g/mol) | Epoxide Number (mol/100 g) | PDI |
|---|---|---|---|---|---|---|---|---|
| PGMS1 | 76.0 1 | 11.0 1 | 13.0 1 | 152 | 63,000 2 | 99,000 2 | 0.24 | 1.58 2 |
| PGMS2 | 70.4 1 | 14.1 1 | 15.5 1 | 70 | 38,000 2 | 61,000 2 | 0.18 | 1.59 2 |
| PGMS3 | 60.6 1 | 19.4 1 | 20.0 1 | 38 | 28,000 2 | 51,000 2 | 0.14 | 1.80 2 |
| ADR-4468 | 30–50 | - | - | 5–9 | <2500 | 7250 | 0.17–0.3 | >3 |
| EPOX | - | - | - | 2 | 202 | - | 0.99 | - |
1 Determined from NMR analysis. 2 Determined from GPC analysis.
