Polyacetal
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Polyacetal
 

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS Polyglycol
COMMON NAMESPolyacetal, Poly(formaldehyde), Polymethylene glycol, Delrin®, Celcon®, Duracon®
STRUCTURE BASED NAME Poly(oxymethylene), Poly(methylene oxide)
ACRONYMS POM
CAS # 9002-81-7
CurlySMILES C{-}O{n+}
 

IDENTIFIERS OF MONOMER(S)

CAS # 50-00-0
COMMON NAMESMethanal
SMILES C=O
Std. InChI 1S/CH2O/c1-2/h1H2
Std. InChIKey WSFSSNUMVMOOMR-UHFFFAOYSA-N
STRUCTURE
Polyacetal
 

Thermo-Physical Properties: Experimental / Literature Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molar Volume VmmL mol-124.0 - 25.024.5
Density ρg mL-1 1.20 - 1.251.23
Solubility Parameter δMPa1/2 20.9 - 22.521.1
Molar Cohesive Energy EcohJ mol-1 10700 - 1240010900
Glass Transition Temperature TgK 188 - 243211
Molar Heat Capacity CpJ (mol K)-158 - 6361
Entanglement Molecular Weight Meg mol-12500 - 26002550
Index of Refraction nnone1.48 - 1.51 1.495
 

Thermo-Physical Properties: Calculated Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molecular Weight of Repeat unitg mol-1 30.03
Van-der-Waals Volume VvWmL mol-1 12.25
Molar Volume VmmL mol-122.0 - 26.423.7
Density ρg mL-1 1.14 - 1.361.27
Solubility Parameter δMPa1/2 19.9 - 22.921.3
Molar Cohesive Energy EcohJ mol-1 10100 - 1150010700
Glass Transition Temperature TgK 207 - 226216
Molar Heat Capacity CpJ (mol K)-162 - 6663
Entanglement Molecular Weight Meg mol-12000 - 37002900
Index of Refraction nnone1.44 - 1.481.47
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