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
- Information on this page:
- Other data available:
- Options:
Condensed phase thermochemistry data
Go To: Top, References, Notes
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 | 16.71 | cal/mol*K | N/A | Grebowicz, Lau, et al., 1984 | |
| S°solid,1 bar | 19.31 | cal/mol*K | N/A | Grebowicz, Lau, et al., 1984 | glass phase |
| S°solid,1 bar | 17.22 | cal/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 (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 16.49 | 298.15 | Grebowicz, Lau, et al., 1984 | T = 0 to 500 K. |
| 21.05 | 298.15 | Grebowicz, Lau, et al., 1984 | glass phase; T = 0 to 500 K. |
| 17.3 | 299.8 | Passaglia and Kevorkian, 1963 | glass phase; T = 85 to 500 K. Unsmoothed experimental datum. |
| 18.45 | 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.