Poly(ether ketone ketone)
CROW logo
Poly(ether ketone ketone)
 

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS Polyetherketone
COMMON NAMESPoly(ether ether ketone), Cypec® PEKK, Oxpekk® PEKK, Kepstan®
STRUCTURE BASED NAME Poly(1,4-phenyleneoxy-1,4-phenylenecarbonyl-1,4-phenylenecarbonyl)
ACRONYMS PEKK
CAS #  
CurlySMILES c1{-}ccc(cc1)Oc1ccc(cc1)C(=O)c1ccc(cc1)C(=O){n+}
 

IDENTIFIERS OF MONOMER(S)

CAS # 101-84-8, 100-20-9
COMMON NAMESDiphenyl ether, Terephthaloyl Chloride
SMILES c1cc(ccc1C(=O)Cl)C(=O)Cl.c1ccc(cc1)Oc2ccccc2
Std. InChI InChI=1S/C12H10O/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10H.InChI=1S/C8H4Cl2O2/c9-7(11)5-1-2-6(4-3-5)8(10)12/h1-4H
Std. InChIKey LXEJRKJRKIFVNY-UHFFFAOYSA-N.USIUVYZYUHIAEV-UHFFFAOYSA-N
STRUCTURE
Poly(ether ketone ketone)
 

Thermo-Physical Properties: Experimental / Literature Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molar Volume VmmL mol-1 235 - 237236
Density ρg mL-11.27 - 1.281.28
Solubility Parameter δMPa1/2   
Molar Cohesive Energy EcohJ mol-1   
Glass Transition Temperature TgK 428 - 450437
Molar Heat Capacity CpJ (mol K)-1 300
Entanglement Molecular Weight Meg mol-1  
Index of Refraction nnone  
 

Thermo-Physical Properties: Calculated Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molecular Weight of Repeat unitg mol-1 300.3
Van-der-Waals Volume VvWmL mol-1 161.2
Molar Volume VmmL mol-1 233 - 246.5240
Density ρg mL-1 1.22 - 1.291.25
Solubility Parameter δMPa1/2 21.9 - 24.723.1
Molar Cohesive Energy EcohJ mol-1 118000 - 142000127500
Glass Transition Temperature TgK 428 - 452440
Molar Heat Capacity CpJ (mol K)-1 299 - 316308
Entanglement Molecular Weight Meg mol-1 1400 - 20001700
Index of Refraction n none 1.60 - 1.68 1.64

  Last updated: March 12, 2017

back to top