DL-Lactide


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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfsolid-792.1 ± 1.7kJ/molCcbKulagina, Lebedev, et al., 1980see Lebedev, Kulagina, et al., 1982; ALS
Quantity Value Units Method Reference Comment
Δcsolid-2712.5 ± 1.7kJ/molCcbKulagina, Lebedev, et al., 1980see Lebedev, Kulagina, et al., 1982; Corresponding Δfsolid = -791.9 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
solid,1 bar213.1J/mol*KN/AKulagina, Lebedev, et al., 1982DH
solid,1 bar213.1J/mol*KN/ALebedev, Kulagina, et al., 1982, 2DH
solid,1 bar213.1J/mol*KN/AKulagina, Lebedev, et al., 1980DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
184.3298.15Kulagina, Lebedev, et al., 1982T = 8 to 430 K.; DH
184.3298.15Lebedev, Kulagina, et al., 1982, 2T = 8 to 330 K.; DH
184.3298.15Kulagina, Lebedev, et al., 1980T = 5 to 430 K.; DH

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

Quantity Value Units Method Reference Comment
Tfus397.KN/AKulagina, Lebedev, et al., 1982 

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
24.700397.5Kulagina, Lebedev, et al., 1980 

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
62.2397.5Kulagina, Lebedev, et al., 1980 

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.

Kulagina, Lebedev, et al., 1980
Kulagina, T.G.; Lebedev, B.V.; Kiparisova, E.G.; Mukhina, N.N., Thermodynamics of dl-lactide in the 0-430 K region, Fiz.-Khim. Osn. Sint. Pererab. Polim., 1980, 104-108. [all data]

Lebedev, Kulagina, et al., 1982
Lebedev, B.V.; Kulagina, T.G.; Kiparisova, E.G., Thermodynamics of dl-lactide, ethylene oxalate, and 2,5-dioxopiperazine in the range 0-330 K., Russ. J. Phys. Chem. (Engl. Transl.), 1982, 56, 1641-1643. [all data]

Kulagina, Lebedev, et al., 1982
Kulagina, T.G.; Lebedev, B.V.; Kiparisova, E.G.; Lyudvig, E.B.; Barskaya, I.G., Thermodynamics of dl-lactide and polylactide and of dl-lactide polymerizatrion at 0 to 430 K, Vysokomol. Soedin, Ser., 1982, A 24(7), 1496-1501. [all data]

Lebedev, Kulagina, et al., 1982, 2
Lebedev, B.V.; Kulagina, T.G.; Kiparisova, Y.G., Thermodynamics of dl-lactide, ethylene oxalate, and 2,5-dioxopiperazine in the range 0-330 K, Zhur. Fiz. Khim., 1982, 56, 2665-2669. [all data]


Notes

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