Poly- -butyrolactone
- Monomer Formula: C4H6O2
- Monomer Molecular weight: 86.0892
- CAS Registry Number: 31213-03-3
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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 | 167.6 | J/mol*K | N/A | Yevstropov, Lebedev, et al., 1980 | glass phase; S is for the high-elastic state. S(c, 300 K) = 133.4 J/mol*K. |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 155.5 | 298.15 | Yevstropov, Lebedev, et al., 1980 | glass phase; T = 5 to 345 K. Cp is for the high-elastic state. Cp(c, 300 K) = 117.9 J/mol*K. |
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
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 13.200 | 337.5 | Yevstropov, Lebedev, et al., 1980 | 100% crystallinity. |
Entropy of fusion
| ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 39.4 | 337.5 | Yevstropov, Lebedev, et al., 1980 | 100% |
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.
Yevstropov, Lebedev, et al., 1980
Yevstropov, A.A.; Lebedev, B.V.; Kiparisova, Ye.G.; Alekseyev, V.A.; Stashina, G.A.,
Thermodynamic parameters of transformation of t-butyrolactone into poly-t-butyrolactone at normal pressure in the range of 0 to 400 K, Vysokomol. Soedin,
Ser., 1980, A 22(11), 2450-2456. [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) ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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