Poly(methacrylic acid)
CROW logo
Poly(methacrylic acid)
 

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS Polymethacrylate
COMMON NAMESPoly(methacrylic acid)
STRUCTURE BASED NAME Poly(2-methyl-2-propenoic acid)
ACRONYMS PMAA
CAS # 54193-36-1
CurlySMILES C{-}C{n+}(C)(C(=O)O)
 

IDENTIFIERS OF MONOMER(S)

CAS # 201-204-4
COMMON NAMESMethacrylic acid
SMILES CC(=C)C(=O)O
Std. InChIInChI=1S/C4H6O2/c1-3(2)4(5)6/h1H2,2H3,(H,5,6)
Std. InChIKey CERQOIWHTDAKMF-UHFFFAOYSA-N
STRUCTURE
Poly(methacrylic acid)
 

Thermo-Physical Properties: Experimental / Literature Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molar Volume VmmL mol-1 67 
Density ρ g mL-1 1.29
Solubility Parameter δMPa1/2 22 - 30
26 - 30 (strong H-bonding)
≈ 20 (moderate H-bonding)
26.7
20
Molar Cohesive Energy EcohJ mol-1
Glass Transition Temperature TgK 501 
Molar Heat Capacity CpJ (mol K)-1 111.8 - 112.5112.1
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 46.5
Molar Volume VmmL mol-1 63.9 - 66.865.3
Density ρg mL-1 1.29 - 1.351.32
Solubility Parameter δMPa1/2 18.0 - 20.719.6
Molar Cohesive Energy EcohJ mol-1   
Glass Transition Temperature TgK 511
Molar Heat Capacity Cp J (mol K)-1 110.6 - 116.4 112.8
Entanglement Molecular Weight Meg mol-1 7300 - 78007550
Index of Refraction nnone 1.51 - 1.541.52

  Last updated: December 3, 2015

back to top