POLYMER CLASS | Polymethacrylate |
COMMON NAMES | Poly(octadecyl methacrylate), Poly(stearyl methacrylate) |
STRUCTURE BASED NAME | Poly(octadecyl 2-methylpropenoate), Poly[1-(octadecyloxycarbonyl)-1-methylethylene] |
ACRONYMS | |
CAS # | 25639-21-8 |
CurlySMILES | C{-}C{n+}(C)(C(=O)OCCCCCCCCCCCCCCCCCC) |
CAS # | 112-08-3 |
COMMON NAMES | Octadecyl methacrylate |
SMILES | CCCCCCCCCCCCCCCCCCOC(=O)C(=C)C |
Std. InChI | 1S/C22H42O2/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-24-22(23)21(2)3/h2,4-20H2,1,3H3 |
Std. InChIKey | HMZGPNHSPWNGEP-UHFFFAOYSA-N |
STRUCTURE |
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PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
Molar Volume Vm | mL mol-1 | 374.5 | |
Density ρ | g mL-1 | 0.90 | |
Solubility Parameter δ | MPa1/2 | 16.0 | |
Molar Cohesive Energy Ecoh | J mol-1 | 92100 | |
Glass Transition Temperature Tg | K | 173, 311 - 313 | 312 |
Molar Heat Capacity Cp | J (mol K)-1 | 6772(r) | |
Entanglement Molecular Weight Me | g mol-1 | 215000 - 235000 | 225000 |
Index of Refraction n | none |
PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
Molecular Weight of Repeat unit | g mol-1 | 338.58 | |
Van-der-Waals Volume VvW | mL mol-1 | 230.95 | |
Molar Volume Vm | mL mol-1 | 350.3 - 367.0 | 359.8 |
Density ρ | g mL-1 | 0.92 - 0.97 | 0.94 |
Solubility Parameter δ | MPa1/2 | 17.0 - 17.6 | 17.2 |
Molar Cohesive Energy Ecoh | J mol-1 | 104200 - 109100 | 107000 |
Glass Transition Temperature Tg | K | 186, 278 - 332 | 3051 |
Molar Heat Capacity Cp | J (mol K)-1 | 675 - 693 | 685 (r) |
Entanglement Molecular Weight Me | g mol-1 | 131000 - 194000 | 162000 |
Index of Refraction n | none | 1.48 - 1.49 | 1.48 |
1Side-chain melting
2extrapolated heat capacity of
amorphous PODMA
Last updated: April 28, 2018