1-Propene, homopolymer, isotactic
- Monomer Formula: C3H6
- Monomer Molecular weight: 42.0797
- CAS Registry Number: 25085-53-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Polypropylene, isotatic
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Condensed phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°solid,1 bar | 69.92 | J/mol*K | N/A | Grebowicz, Lau, et al., 1984 | |
| S°solid,1 bar | 80.79 | J/mol*K | N/A | Grebowicz, Lau, et al., 1984 | glass phase |
| S°solid,1 bar | 72.05 | J/mol*K | N/A | Dainton, Evans, et al., 1962 | glass phase; When extrapolated to 100% crystallinity, the entropy is 61.92 J/mol*K. |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 68.99 | 298.15 | Grebowicz, Lau, et al., 1984 | T = 0 to 500 K. |
| 88.07 | 298.15 | Grebowicz, Lau, et al., 1984 | glass phase; T = 0 to 500 K. |
| 72.4 | 299.8 | Passaglia and Kevorkian, 1963 | glass phase; T = 85 to 500 K. Unsmoothed experimental datum. |
| 77.18 | 298.15 | Dainton, Evans, et al., 1962 | glass phase; T = 20 to 310 K. |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Grebowicz, Lau, et al., 1984
Grebowicz, J.; Lau, S.-F.; Wunderlich, B.,
The thermal properties of polypropylene,
J. Polymer Science: Polymer Symp., 1984, 71, 19-37. [all data]
Dainton, Evans, et al., 1962
Dainton, F.S.; Evans, D.M.; Hoare, F.E.; Melia, T.P.,
Thermodynamic functions of linear high polymers. Part IV. Stereospecific poly-a-olefines,
Polymer, 1962, 3, 286-296. [all data]
Passaglia and Kevorkian, 1963
Passaglia, E.; Kevorkian, H.K.,
Specific heat of atactic and isotactic polypropylene and the entropy of the glass,
J. Appl. Phys., 1963, 34(1), 90-97. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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