| POLYMER CLASS | Polyamide |
| COMMON NAMES | Poly(m-phenylene terephthalamide), Nomex, Teijinconex |
| STRUCTURE BASED NAME | Poly(imino-1,3-phenyleneiminoterephthaloyl), Poly[(m-phenylenediamine)-alt-(terephthalic acid)] |
| ACRONYMS | MPDI |
| CAS # | 25765-47-3 |
| CurlySMILES | N{-}c1cc(ccc1)NC(=O)c1cc(ccc1)C{n+}(=O) |
| CAS # | 108-45-2 + 188665-61-4 |
| COMMON NAMES | m-Phenylenediamine + m-Phthaloyl chloride |
| SMILES | Nc1cc(ccc1)N.ClC(=O)c1cc(ccc1)C(=O)Cl |
| Std. InChI | 1S/C6H8N2/c7-5-2-1-3-6(8)4-5/h1-4H,7-8H2.1S/C8H4Cl2O2/c9-7(11)5-2-1-3-6(4-5)8(10)12/h1-4H |
| Std. InChIKey | WZCQRUWWHSTZEM-UHFFFAOYSA-N.FDQSRULYDNDXQB-UHFFFAOYSA-N |
| STRUCTURE |
|
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | 172.6 - 179.1 | 175.9 |
| Density ρ | g mL-1 | 1.33 - 1.38 | 1.36 |
| Solubility Parameter δ | MPa1/2 | ||
| Molar Cohesive Energy Ecoh | J mol-1 | ||
| Glass Transition Temperature Tg | K | 513 - 553 | 537 |
| Molar Heat Capacity Cp | J (mol K)-1 | 271 | |
| 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 | 238.2 | |
| Van-der-Waals Volume VvW | mL mol-1 | 126.0 | |
| Molar Volume Vm | mL mol-1 | 180.8 - 193.6 | 186.5 |
| Density ρ | g mL-1 | 1.29 - 1.32 | 1.31 |
| Solubility Parameter δ | MPa1/2 | 25.8 - 30.1 | 28.6 |
| Molar Cohesive Energy Ecoh | J mol-1 | 129000 - 167000 | 153000 |
| Glass Transition Temperature Tg | K | 486 - 533 | 510 |
| Molar Heat Capacity Cp | J (mol K)-1 | 249 - 266 | 257 |
| Entanglement Molecular Weight Me | g mol-1 | 1750 | |
| Index of Refraction n | none | 1.60 - 1.69 | 1.65 |