Polyisoprene
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Polyisoprene
 

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS Polydienes
COMMON NAMESPolyisoprene, Poly(1-methyl-1-butenylene)
STRUCTURE BASED NAME Poly(1-methylbut-1-ene-1,4-diyl)
ACRONYMS IR
CAS # 9003-31-0
CurlySMILES C{-}(C)=CCC{n+}
 

IDENTIFIERS OF MONOMER(S)

CAS #
COMMON NAMES1,3-Pentadiene
SMILES CC=CC=C
Std. InChI 1S/C5H8/c1-3-5-4-2/h3-5H,1H2,2H3
Std. InChIKey PMJHHCWVYXUKFD-UHFFFAOYSA-N
STRUCTURE
Isoprene
 

Thermo-Physical Properties: Experimental / Literature Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molar Volume VmmL mol-175.4
Density ρg mL-1 0.90
Solubility Parameter δMPa1/2 15.2 - 17.416.5
Molar Cohesive Energy EcohJ mol-1 17400 - 2280020600
Glass Transition Temperature TgK 200 - 215
203 - 213 (trans)
199 - 204 (cis)
203
Molar Heat Capacity CpJ (mol K)-1129 - 132130
Entanglement Molecular Weight Meg mol-13250 - 6800 4800
Index of Refraction nnone1.51 - 1.521.52
 

Thermo-Physical Properties: Calculated Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molecular Weight of Repeat unitg mol-1 68.12
Van-der-Waals Volume VvWmL mol-1 48.95
Molar Volume VmmL mol-173.0 - 76.174.6
Density ρg mL-1 0.89 - 0.930.91
Solubility Parameter δMPa1/2 17.0 - 17.417.2
Molar Cohesive Energy EcohJ mol-1 21800 - 2260022200
Glass Transition Temperature TgK 180 - 202200
Molar Heat Capacity CpJ (mol K)-1135 - 161136
Entanglement Molecular Weight Meg mol-13000 - 82004800
Index of Refraction nnone1.50 - 1.521.51

  Last updated: February 26, 2016

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