| POLYMER CLASS | Polythioethers |
| COMMON NAMES | Poly(propylene sulfide), Poly(2-methylthiirane) |
| STRUCTURE BASED NAME | Poly(sulfanediylpropylene) |
| ACRONYMS | |
| CAS # | |
| CurlySMILES | S{-}CC{n+}(C) |
| CAS # | 1313-82-2.142-28-9 |
| COMMON NAMES | 1,2-Dichloropropane + Disodium sulfide |
| SMILES | ClCC(C)Cl.[Na]S[Na] |
| Std. InChI | 1S/C3H6Cl2/c1-3(5)2-4/h3H,2H2,1H3.1S/2Na.S |
| Std. InChIKey | KNKRKFALVUDBJE-UHFFFAOYSA-N.CXPWOVUZRAFMDA-UHFFFAOYSA-N |
| STRUCTURE |
|
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | 65.6 - 71.7 | 68.2 |
| Density ρ | g mL-1 | 1.03 - 1.13 | 1.08 |
| Solubility Parameter δ | MPa1/2 | 17.9 | |
| Molar Cohesive Energy Ecoh | J mol-1 | 21900 | |
| Glass Transition Temperature Tg | K | 221 - 236 | 228 |
| Molar Heat Capacity Cp | J (mol K)-1 | ||
| Entanglement Molecular Weight Me | g mol-1 | ≈ 4000 | |
| Index of Refraction n | none | 1.59 - 1.60 | 1.60 |
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molecular Weight of Repeat unit | g mol-1 | 74.15 | |
| Van-der-Waals Volume VvW | mL mol-1 | 40.77 | |
| Molar Volume Vm | mL mol-1 | 64.7 - 67.6 | 66.3 |
| Density ρ | g mL-1 | 1.10 -1.15 | 1.12 |
| Solubility Parameter δ | MPa1/2 | 17.8 - 18.6 | 18.1 |
| Molar Cohesive Energy Ecoh | J mol-1 | 21000 - 23300 | 21700 |
| Glass Transition Temperature Tg | K | 217 - 225 | 221 |
| Molar Heat Capacity Cp | J (mol K)-1 | 130 - 141 | 134 |
| Entanglement Molecular Weight Me | g mol-1 | 3250 - 3850 | 3550 |
| Index of Refraction n | none | 1.57 - 1.59 | 1.59 |