1-Propene, homopolymer
- Monomer Formula: C3H6
- Monomer Molecular weight: 42.0797
- CAS Registry Number: 9003-07-0
- 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; Polypropylene, atactic
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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 | 78.99 | J/mol*K | N/A | Dainton, Evans, et al., 1962 | glass phase; When extrapolated to 100% crystallinity, the entropy is 62.76 J/mol*K. |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 88.0 | 298.1 | Passaglia and Kevorkian, 1963 | glass phase; T = 87 to 484 K. Unsmoothed experimental datum. |
| 89.59 | 298.15 | Dainton, Evans, et al., 1962 | glass phase; T = 20 to 310 K. |
| 98.90 | 298.15 | Wilkinson and Dole, 1962 | glass phase; T = 217 to 477 K. Cp = 0.510 + 0.00207t (-5 to 30°C) cal/g*K. Cp value calculated from equation. |
Phase change 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
Temperature of phase transition
| Ttrs (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|
| 249. | crystaline, I | glass | Dainton, Evans, et al., 1962 | |
| 259. | crystaline | glass | Passaglia and Kevorkian, 1963 |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Wilkinson and Dole, 1962
Wilkinson, R.W.; Dole, M.,
Specific heat of synthetic high polymers. S. Isotactic and atactic polypropylene,
J. Polymer Science, 1962, 58, 1089-1106. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change 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) Ttrs Temperature of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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