| POLYMER CLASS | Polymethacrylate |
| COMMON NAMES | Poly(isobutyl methacrylate) |
| STRUCTURE BASED NAME | Poly(isobutyl 2-methylpropenoate) |
| ACRONYMS | |
| CAS # | 9011-15-8 |
| CurlySMILES | C{-}C{n+}(C)(C(=O)OCC(C)C) |
| CAS # | 266675-13-2 |
| COMMON NAMES | Isobutyl methacylate |
| SMILES | CC(COC(=O)C(=C)C)C |
| Std. InChI | 1S/C8H14O2/c1-6(2)5-10-8(9)7(3)4/h6H,3,5H2,1-2,4H3 |
| Std. InChIKey | RUMACXVDVNRZJZ-UHFFFAOYSA-N |
| STRUCTURE |
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| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | 134.4 - 135.7 | 135.0 |
| Density ρ | g mL-1 | 1.05 - 1.06 | 1.05 |
| Solubility Parameter δ | MPa1/2 | 16.7 - 21.5 | 18.0 |
| Molar Cohesive Energy Ecoh | J mol-1 | 38100 - 62400 | 43600 |
| Glass Transition Temperature Tg | K | 326, 337 | |
| Molar Heat Capacity Cp | J (mol K)-1 | 222 - 233 | 227 |
| Entanglement Molecular Weight Me | g mol-1 | ||
| Index of Refraction n | none | 1.48 | 1.48 |
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molecular Weight of Repeat unit | g mol-1 | 142.20 | |
| Van-der-Waals Volume VvW | mL mol-1 | 87.04 | |
| Molar Volume Vm | mL mol-1 | 132.6 - 138.1 | 134.7 |
| Density ρ | g mL-1 | 1.03 - 1.07 | 1.06 |
| Solubility Parameter δ | MPa1/2 | 17.3 - 17.8 | 17.6 |
| Molar Cohesive Energy Ecoh | J mol-1 | 41200 - 42300 | 41700 |
| Glass Transition Temperature Tg | K | 321 - 322 335 - 336 | 328 |
| Molar Heat Capacity Cp | J (mol K)-1 | 208 - 225 | 215 |
| Entanglement Molecular Weight Me | g mol-1 | 21400 | 21400 |
| Index of Refraction n | none | 1.47 - 1.49 | 1.48 |