| POLYMER CLASS | Polymethacrylate |
| COMMON NAMES | Poly(ethyl methacrylate) |
| STRUCTURE BASED NAME | Poly(ethyl 2-methylpropenoate), Poly(1-(ethoxycarbonyl)-1-methylethylene) |
| ACRONYMS | PEMA |
| CAS # | 9003-42-3 |
| CurlySMILES | C{-}C{n+}(C)(C(=O)OCC) |
| CAS # | 128440-92-6 |
| COMMON NAMES | Ethyl methacylate |
| SMILES | CCOC(=O)C(=C)C |
| Std. InChI | 1S/C6H10O2/c1-4-8-6(7)5(2)3/h2,4H2,1,3H3 |
| Std. InChIKey | SUPCQIBBMFXVTL-UHFFFAOYSA-N |
| STRUCTURE |
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| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | 102.0 - 104.7 | 103.0 |
| Density ρ | g mL-1 | 1.09 - 1.12 | 1.11 |
| Solubility Parameter δ | MPa1/2 | 16.8 - 18.6 | 18.4 |
| Molar Cohesive Energy Ecoh | J mol-1 | 28700 - 36000 | 35000 |
| Glass Transition Temperature Tg | K | 330 - 378 | 338 |
| Molar Heat Capacity Cp | J (mol K)-1 | 165.5 - 166 | 166 |
| Entanglement Molecular Weight Me | g mol-1 | 8600 - 18750 | 13700 |
| Index of Refraction n | none | 1.49 - 1.51 | 1.50 |
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molecular Weight of Repeat unit | g mol-1 | 114.14 | |
| Van-der-Waals Volume VvW | mL mol-1 | 66.48 | |
| Molar Volume Vm | mL mol-1 | 100.0 - 103.0 | 101.5 |
| Density ρ | g mL-1 | 1.11 - 1.14 | 1.12 |
| Solubility Parameter δ | MPa1/2 | 18.2 - 18.5 | 18.4 |
| Molar Cohesive Energy Ecoh | J mol-1 | 33200 - 34800 | 34200 |
| Glass Transition Temperature Tg | K | 341 | |
| Molar Heat Capacity Cp | J (mol K)-1 | 162 - 175 | 167 |
| Entanglement Molecular Weight Me | g mol-1 | 12900 - 14100 | 13500 |
| Index of Refraction n | none | 1.48 - 1.49 | 1.49 |
Last updated: March 27, 2018