Polyvinyl chloride
- Monomer Formula: C2H3Cl
- Monomer Molecular weight: 62.498
- CAS Registry Number: 93050-82-9
- Chemical structure:
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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 | 71.60 | J/mol*K | N/A | Chang, 1977 | glass phase; Per monomer unit. Value is S-S0. |
| S°solid,1 bar | 65.10 | J/mol*K | N/A | Lebedev, Rabinovich, et al., 1967 | glass phase |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 59.03 | 298.15 | Chang, 1977 | glass phase; T = 6 to 380 K. Value per monomer unit. |
| 59.96 | 298.15 | Lebedev, Rabinovich, et al., 1967 | glass phase; T = 58 to 300 K. Value per monomer unit. |
| 59.47 | 298. | Alford and Dole, 1955 | glass phase; T = 253 to 393 K. Cp calculated from equation. Cp(cal/g*K) = 0.2092 + 7.29x10-4t, where t<60°C for L-38 PVC, Cp(cal/g*K) = 0.2048 + 8.46x10-4t, where t<60°C for annealed PVC. |
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.
Chang, 1977
Chang, S-S.,
Heat capacity and thermodynamic properties of poly(vinylchloride),
J. Res., 1977, NBS 82, 9-18. [all data]
Lebedev, Rabinovich, et al., 1967
Lebedev, B.V.; Rabinovich, I.B.; Budarina, V.A.,
Heat capacity of vinyl chloride, polyvinylchloride and polyvinylidene chloride in the region of 60-300°K,
Polymer Sci., 1967, USSR 9A, 545-552. [all data]
Alford and Dole, 1955
Alford, S.; Dole, M.,
Specific heat of synthetic high polymers. VI. A study of the glass transition in polyvinyl chloride,
J. Am. Chem. Soc., 1955, 77, 4774-4777. [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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