| POLYMER CLASS | Polyetherketone |
| COMMON NAMES | Poly(ether ether ketone), Poly[(hydroquinone)-alt-(4,4'-difluorobenzophenone)], Poly[(hydroquinone)-alt-(4,4'-dichlorobenzophenone)], Victrex® PEEK, Hostatec® PEEK |
| STRUCTURE BASED NAME | Poly(oxy-1,4-phenyleneoxy-1,4-phenylenecarbonyl-1,4-phenylene) |
| ACRONYMS | PEEK |
| CAS # | 29658-26-2 |
| CurlySMILES | O{-}c1ccc(cc1)Oc1ccc(cc1)C(=O)c1ccc{n+}(cc1) |
| CAS # | |
| COMMON NAMES | Disodium 1,4-benzenediolate + 4,4'-Dichlorobenzophenone |
| SMILES | [Na]Oc1ccc(cc1)O[Na].O=C(c1ccc(cc1)Cl)c1ccc(cc1)Cl |
| Std. InChI | 1S/C6H6O2.2Na/c7-5-1-2-6(8)4-3-5;;/h1-4,7-8H;;/q;2*+1/p-2.1S/C13H8Cl2O/c14-11-5-1-9(2-6-11)13(16)10-3-7-12(15)8-4-10/h1-8H |
| Std. InChIKey | IDKLLZBLEVRZEZ-UHFFFAOYSA-L.OKISUZLXOYGIFP-UHFFFAOYSA-N |
| STRUCTURE |
|
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | 227.9 - 228.3 | 228.1 |
| Density ρ | g mL-1 | 1.26 - 1.27 | 1.26 |
| Solubility Parameter δ | MPa1/2 | 21.2 - 22.6 | 21.9 |
| Molar Cohesive Energy Ecoh | J mol-1 | 102500 - 116500 | 109400 |
| Glass Transition Temperature Tg | K | 405 - 431 | 421 |
| Molar Heat Capacity Cp | J (mol K)-1 | 320 | |
| Entanglement Molecular Weight Me | g mol-1 | 1350 | |
| Index of Refraction n | none | 1.67 |
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molecular Weight of Repeat unit | g mol-1 | 288.30 | |
| Van-der-Waals Volume VvW | mL mol-1 | 151.90 | |
| Molar Volume Vm | mL mol-1 | 229.9 - 235.7 | 233.4 |
| Density ρ | g mL-1 | 1.22 - 1.25 | 1.24 |
| Solubility Parameter δ | MPa1/2 | 21.6 - 23.2 | 22.2 |
| Molar Cohesive Energy Ecoh | J mol-1 | 110000 - 123500 | 114600 |
| Glass Transition Temperature Tg | K | 416 - 421 | 419 |
| Molar Heat Capacity Cp | J (mol K)-1 | 293 - 308 | 300 |
| Entanglement Molecular Weight Me | g mol-1 | 1200 - 2050 | 1550 |
| Index of Refraction n | none | 1.63 - 1.72 | 1.66 |