Poly(ethylene terephthalate)
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Poly(ethylene terephthalate)
 

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS Polyesters
COMMON NAMESPoly(ethylene terephthalate)
STRUCTURE BASED NAME Poly(oxyethyleneoxyterephthaloyl), Poly[(ethane-1,4-diol)-alt-(terephthalic acid)]
ACRONYMS PET
CAS # 25038-59-9
CurlySMILES O{-}C(=O)c1ccc(cc1)C(=O)OCC{n+}
 

IDENTIFIERS OF MONOMER(S)

CAS # 60088-54-2.107-21-1
COMMON NAMESTerephthalic acid + Ethylene glycol
SMILES OC(=O)c1ccc(cc1)C(=O)O.OCCO
Std. InChI 1S/C8H6O4/c9-7(10)5-1-2-6(4-3-5)8(11)12/h1-4H,(H,9,10)(H,11,12).1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
Std. InChIKey KKEYFWRCBNTPAC-UHFFFAOYSA-N.LYCAIKOWRPUZTN-UHFFFAOYSA-N
STRUCTURE
Terephthalic acid + Ethylene glycol
 

Thermo-Physical Properties: Experimental / Literature Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molar Volume VmmL mol-1143.9 - 144.5144.3
Density ρg mL-1 1.33 - 1.481.33
Solubility Parameter δMPa1/2 17.8 - 24.821.2
Molar Cohesive Energy EcohJ mol-1 45700 - 8870064800
Glass Transition Temperature TgK 338 - 350344
Molar Heat Capacity CpJ (mol K)-1217 - 224219
Entanglement Molecular Weight Meg mol-11450
Index of Refraction nnone1.50 - 1.641.58
 

Thermo-Physical Properties: Calculated Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molecular Weight of Repeat unitg mol-1 192.17
Van-der-Waals Volume VvWmL mol-1 96.3
Molar Volume VmmL mol-1134.8 - 147.1141.7
Density ρg mL-1 1.31 - 1.431.36
Solubility Parameter δMPa1/2 21.8 - 22.021.9
Molar Cohesive Energy EcohJ mol-1 64100 - 7120068000
Glass Transition Temperature TgK 346 - 361346
Molar Heat Capacity CpJ (mol K)-1218 - 233223
Entanglement Molecular Weight Meg mol-11200 - 22501700
Index of Refraction nnone1.56 - 1.601.57

  Last updated: November 17, 2016

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