| POLYMER CLASS | Polyanhydrides |
| COMMON NAMES | Poly(p-tetramethylenedibenzoic anhydride), Poly(4,4'-tetramethylenedibenzoic anhydride) |
| STRUCTURE BASED NAME | Poly(oxy carbonyl-1,4-phenylenetetramethylene-1,4-phenylenecarbonyl) |
| ACRONYMS | |
| CAS # | |
| CurlySMILES | O{-}C(=O)c1ccc(cc1)CCCCc1ccc(cc1)C{n+}(=O) |
| CAS # | ? . 108-24-7 |
| COMMON NAMES | p,p'-Tetramethylenedibenzoic acid + Acetic anhydride |
| SMILES | OC(=O)c1ccc(cc1)CCCCc1ccc(cc1)C(=O)O.CC(=O)OC(=O)C |
| Std. InChI | 1S/C18H18O4/c19-17(20)15-9-5-13(6-10-15)3-1-2-4-14-7-11-16(12-8-14)18(21)22/h5-12H,1-4H2,(H,19,20)(H,21,22).1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3 |
| Std. InChIKey | ZAQOJBBQABKENX-UHFFFAOYSA-N.WFDIJRYMOXRFFG-UHFFFAOYSA-N |
| STRUCTURE |
|
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | > 221.4 | |
| Density ρ | g mL-1 | < 1.27 | |
| Solubility Parameter δ | MPa1/2 | ||
| Molar Cohesive Energy Ecoh | J mol-1 | ||
| Glass Transition Temperature Tg | K | 312 - 319 | 316 |
| Molar Heat Capacity Cp | J (mol K)-1 | ||
| Entanglement Molecular Weight Me | g mol-1 | ||
| Index of Refraction n | none |
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molecular Weight of Repeat unit | g mol-1 | 280.32 | |
| Van-der-Waals Volume VvW | mL mol-1 | 153.43 | |
| Molar Volume Vm | mL mol-1 | 227.9 - 240.2 | 236.1 |
| Density ρ | g mL-1 | 1.17 - 1.23 | 1.19 |
| Solubility Parameter δ | MPa1/2 | 20.1 - 20.6 | 20.3 |
| Molar Cohesive Energy Ecoh | J mol-1 | 92900 - 102300 | 97500 |
| Glass Transition Temperature Tg | K | 322 - 343 | |
| Molar Heat Capacity Cp | J (mol K)-1 | 314 - 328 | 321 |
| Entanglement Molecular Weight Me | g mol-1 | ||
| Index of Refraction n | none | 1.57 |