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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
Deltafsolid-189.3 ± 0.41kcal/molCcbKulagina, Lebedev, et al., 1980see Lebedev, Kulagina, et al., 1982; ALS
Quantity Value Units Method Reference Comment
Deltacsolid-648.30 ± 0.41kcal/molCcbKulagina, Lebedev, et al., 1980see Lebedev, Kulagina, et al., 1982; Corresponding «DELTA»fsolid = -189.3 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
solid,1 bar50.93cal/mol*KN/AKulagina, Lebedev, et al., 1982DH
solid,1 bar50.93cal/mol*KN/ALebedev, Kulagina, et al., 1982, 2DH
solid,1 bar50.93cal/mol*KN/AKulagina, Lebedev, et al., 1980DH

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
44.05298.15Kulagina, Lebedev, et al., 1982T = 8 to 430 K.; DH
44.05298.15Lebedev, Kulagina, et al., 1982, 2T = 8 to 330 K.; DH
44.05298.15Kulagina, 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

DeltafusH (kcal/mol) Temperature (K) Reference Comment
5.9034397.5Kulagina, Lebedev, et al., 1980 

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
14.9397.5Kulagina, Lebedev, et al., 1980 

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes

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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