| POLYMER CLASS | Polyesters |
| COMMON NAMES | Poly(ethylene isophthalate) |
| STRUCTURE BASED NAME | Poly(oxy-1,2-ethanediyloxycarbonyl-1,3-phenylenecarbonyl), Poly(oxyethyleneoxyisophthaloyl) |
| ACRONYMS | |
| CAS # | 26948-62-9 |
| CurlySMILES | O{-}C(=O)c1cc(ccc1)C(=O)OCC{n+} |
| CAS # | 10027-33-5.107-21-1 |
| COMMON NAMES | Isophthalic acid + Ethylene glycol |
| SMILES | OC(=O)c1cccc(c1)C(=O)O.OCCO |
| Std. InChI | 1S/C8H6O4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4H,(H,9,10)(H,11,12).1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2 |
| Std. InChIKey | QQVIHTHCMHWDBS-UHFFFAOYSA-N.LYCAIKOWRPUZTN-UHFFFAOYSA-N |
| STRUCTURE |
|
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | 143.4- 144.5 | 144.0 |
| Density ρ | g mL-1 | 1.33 - 1.34 | 1.335 |
| Solubility Parameter δ | MPa1/2 | 23.3 | |
| Molar Cohesive Energy Ecoh | J mol-1 | 77800 | |
| Glass Transition Temperature Tg | K | 324 | |
| Molar Heat Capacity Cp | J (mol K)-1 | ||
| Entanglement Molecular Weight Me | g mol-1 | 4950 | |
| Index of Refraction n | none |
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molecular Weight of Repeat unit | g mol-1 | 192.17 | |
| Van-der-Waals Volume VvW | mL mol-1 | 96.30 | |
| Molar Volume Vm | mL mol-1 | 134.8 - 147.1 | 141.7 |
| Density ρ | g mL-1 | 1.31 - 1.43 | 1.36 |
| Solubility Parameter δ | MPa1/2 | 21.8 - 22.0 | 21.9 |
| Molar Cohesive Energy Ecoh | J mol-1 | 64100 - 71200 | 68000 |
| Glass Transition Temperature Tg | K | 334 - 342 | 338 |
| Molar Heat Capacity Cp | J (mol K)-1 | 218 - 233 | 223 |
| Entanglement Molecular Weight Me | g mol-1 | 2250 - 5000 | 3500 |
| Index of Refraction n | none | 1.56 - 1.60 | 1.57 |
Last updated: January 8, 2016