Research Article
Dynamic Cure Kinetics and Physical-Mechanical Properties of PEG/Nanosilica/Epoxy Composites
Table 1
The chemical and physical properties of the EP, DICY, Diuron, PEG, and NS.
| | Material | Property | |
| | EP (DGEBA) | EEW (g/eq) | 185-192 | | Viscosity at 25°C (P) | 110-150 | | Density at 25°C (g/cm3) | 0.97 |
| | DICY | Molecular weight (g/mol) | 84.08 | | Melting point (°C) | 208-210 | | Solubility in water (g/100 g H2O) | 3.2 | | Solubility in epoxy at 25°C (g/100 g epoxya) | 0.05 |
| | Diuron | Molecular weight (g/mol) | 233.09 | | Melting point (°C) | 159 | | Solubility in water (g/100 g H2O) | 0.0042 |
| | PEG | Molecular weight (g/mol) | 4000 | | Viscosity at 100°C (cSt) | 140.4 | | Density (g/cm3) | 1.0926 |
| | NS | Average particle size (nm) | 16 | | Tapped density (g/L) | 50 |
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DGEBA: diglycidyl ether of bisphenol-A; EEW: epoxy equivalent weight. aEpoxy resin Epon 828, based on the DGEBA.
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