Polyhydroxybutyrate
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Polyhydroxybutyrate
 

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS Polyesters
COMMON NAMESPoly(3-hydroxybutyrate), Poly(3-hydroxybutyric acid), Poly(beta-hydroxybutyrate)
STRUCTURE BASED NAME Poly(3-hydroxybutanoic acid)
ACRONYMS P3HB, PHB
CAS # 26063-00-3
CurlySMILES C{-}(C)CC(=O)O{n+}
 

IDENTIFIERS OF MONOMER(S)

CAS # 3068-88-0
COMMON NAMESβ-Butyrolactone
SMILES CC1CC(=O)O1
Std. InChI 1S/C4H6O2/c1-3-2-4(5)6-3/h3H,2H2,1H3
Std. InChIKey GSCLMSFRWBPUSK-UHFFFAOYSA-N
STRUCTURE
Poly(hydroxybutyrate)
 

Thermo-Physical Properties: Experimental / Literature Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molar Volume VmmL mol-1 68.3 - 73.170.7
Density ρg mL-1 1.18 - 1.261.22
Solubility Parameter δMPa1/2 19.2
Molar Cohesive Energy EcohJ mol-1
Glass Transition Temperature TgK 268 - 288276
Molar Heat Capacity CpJ (mol K)-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 86.09
Van-der-Waals Volume VvWmL mol-1 45.92
Molar Volume VmmL mol-168.1 - 71.470.0
Density ρg mL-1 1.21 - 1.261.23
Solubility Parameter δMPa1/2 19.2 - 20.119.6
Molar Cohesive Energy EcohJ mol-1 25100 - 2850026800
Glass Transition Temperature TgK 272 - 286279
Molar Heat Capacity CpJ (mol K)-1 141 - 161
113 - 125
155 (l,r)
118 (s)
Entanglement Molecular Weight Meg mol-12500 - 36002900
Index of Refraction nnone1.46 - 1.491.48

  Last updated: July 29, 2016

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