POLYMER CLASS | Polycarbonates |
COMMON NAMES | Poly(ethylene carbonate) , QPAC® 25 |
STRUCTURE BASED NAME | Poly(1,2-ethylene carbonate), Poly(oxycarbonyloxyethane-1,2-diyl), Poly(dimethylene carbonate) |
ACRONYMS | PC |
CAS # | |
CurlySMILES | C{-}COC(=O)O{n+} |
CAS # | 124-38-9, 200-849-9 |
COMMON NAMES | Carbon dioxide, Ethylene oxide |
SMILES | O=C=O.C1CO1 |
Std. InChI | InChI=1S/CO2/c2-1-3.InChI=1S/C2H4O/c1-2-3-1/h1-2H2 |
Std. InChIKey | CURLTUGMZLYLDI-UHFFFAOYSA-N.IAYPIBMASNFSPL-UHFFFAOYSA-N |
STRUCTURE |
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PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
Molar Volume Vm | mL mol-1 | 62.0 | |
Density ρ | g mL-1 | 1.42 | |
Solubility Parameter δ | MPa1/2 | ||
Molar Cohesive Energy Ecoh | J mol-1 | ||
Glass Transition Temperature Tg | K | 283 - 301 | 290 |
Molar Heat Capacity Cp | J (mol K)-1 | ||
Entanglement Molecular Weight Me | g mol-1 | ||
Index of Refraction n | none | 1.47 |
PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
Molecular Weight of Repeat unit | g mol-1 | 88.06 | |
Van-der-Waals Volume VvW | mL mol-1 | 39.5 | |
Molar Volume Vm | mL mol-1 | 52.0 - 57.6 | 54.8 |
Density ρ | g mL-1 | 1.53 - 1.69 | 1.61 |
Solubility Parameter δ | MPa1/2 | 23.9 - 25.2 | 24.7 |
Molar Cohesive Energy Ecoh | J mol-1 | 31300 - 36100 | 33500 |
Glass Transition Temperature Tg | K | 270 - 309 | 286 |
Molar Heat Capacity Cp | J (mol K)-1 | 115 - 122 | 118 |
Entanglement Molecular Weight Me | g mol-1 | 2700 - 6065 | 4200 |
Index of Refraction n | none | 1.44 - 1.55 | 1.50 |
Last updated: September 27, 2015