POLYMER CLASS | Polyesters |
COMMON NAMES | Poly(ethylene 2,6-naphthalate) |
STRUCTURE BASED NAME | Poly(oxyethyleneoxycarbonylnaphthalene-2,6-diylcarbonyl),Poly(ethylene 2,6-naphthalenedicarboxylate) |
ACRONYMS | PEN |
CAS # | 25853-85-4 |
CurlySMILES | O{-}CCOC(=O)c1ccc2c(c1)ccc(c2)C{n+}(=O) |
CAS # | 1141-38-4.107-21-1 |
COMMON NAMES | 2,6-Naphthalenedicarboxylic acid + Ethylene glycol |
SMILES | OC(=O)c1ccc2c(c1)ccc(c2)C(=O)O.OCCO |
Std. InChI | 1S/C12H8O4/c13-11(14)9-3-1-7-5-10(12(15)16)4-2-8(7)6-9/h1-6H,(H,13,14)(H,15,16).InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2 |
Std. InChIKey | RXOHFPCZGPKIRD-UHFFFAOYSA-N.LYCAIKOWRPUZTN-UHFFFAOYSA-N |
STRUCTURE |
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PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
Molar Volume Vm | mL mol-1 | 178 - 180 | 179 |
Density ρ | g mL-1 | 1.35 - 1.36 | 1.35 |
Solubility Parameter δ | MPa1/2 | ||
Molar Cohesive Energy Ecoh | J mol-1 | ||
Glass Transition Temperature Tg | K | 386 - 398 | 392 |
Molar Heat Capacity Cp | J (mol K)-1 | ||
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 | 242.2 | |
Van-der-Waals Volume VvW | mL mol-1 | ||
Molar Volume Vm | mL mol-1 | 174 - 189 | 182.5 |
Density ρ | g mL-1 | 1.28 - 1.39 | 1.33 |
Solubility Parameter δ | MPa1/2 | 21.3 - 21.8 | 21.6 |
Molar Cohesive Energy Ecoh | J mol-1 | 81600 - 89800 | 85300 |
Glass Transition Temperature Tg | K | 366 - 414 | 389 |
Molar Heat Capacity Cp | J (mol K)-1 | 266 - 283 | 273 |
Entanglement Molecular Weight Me | g mol-1 | ||
Index of Refraction n | none | 1.57 - 1.63 | 1.60 |
Last updated: March 29, 2016