Poly(trimethylene terephthalate)
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Poly(trimethylene terephthalate)
 

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS Polyesters
COMMON NAMESPoly(trimethylene terephthalate)
STRUCTURE BASED NAME Poly(oxypropyleneoxyterephthaloyl), Poly(1,3-propylene terephthalate)
ACRONYMS PTT
CAS # 26590-75-0
CurlySMILES O{-}C(=O)c1ccc(cc1)C(=O)OCCC{n+}
 

IDENTIFIERS OF MONOMER(S)

CAS #  
COMMON NAMESTerephthalic acid + Propylene glycol
SMILES OC(=O)c1ccc(cc1)C(=O)O.OCCCO
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).InChI=1S/C3H8O2/c4-2-1-3-5/h4-5H,1-3H2
Std. InChIKey KKEYFWRCBNTPAC-UHFFFAOYSA-N.YPFDHNVEDLHUCE-UHFFFAOYSA-N
STRUCTURE
Terephthalic acid + propylene glycol
 

Thermo-Physical Properties: Experimental / Literature Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molar Volume VmmL mol-1 152.7 - 155.0153.9
Density ρg mL-1 1.33 - 1.351.34
Solubility Parameter δMPa1/2   
Molar Cohesive Energy EcohJ mol-1   
Glass Transition Temperature TgK 315 - 341327
Molar Heat Capacity CpJ (mol K)-1 236.1 
Entanglement Molecular Weight Meg mol-1  
Index of Refraction nnone   
 

Thermo-Physical Properties: Calculated Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molecular Weight of Repeat unitg mol-1 206.2 
Van-der-Waals Volume VvWmL mol-1 106.6
Molar Volume VmmL mol-1 151.2 - 162.6157.9
Density ρg mL-1 1.27 - 1.361.31
Solubility Parameter δMPa1/2 21.2 - 21.521.4
Molar Cohesive Energy EcohJ mol-1 68200 - 7550072100
Glass Transition Temperature TgK 324 - 331330
Molar Heat Capacity CpJ (mol K)-1 241.2 - 257.8248.5
Entanglement Molecular Weight Meg mol-1 1175 - 21001650
Index of Refraction nnone 1.55 - 1.571.56

  Last updated: February 27, 2016

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