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Ethene, homopolymer


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
solid,1 bar25. ± 2.J/mol*KAVGN/AAverage of 14 out of 15 values; Individual data points

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
25.9298.15Steele, 1978 
24.97298.15Chang, 1976T = 5 to 380 K. Value per monomer unit.
32.20298.15Chang, Westrum, et al., 1975T = 5 to 350 K. Values per CH2 unit.
24.79298.15Chang, Westrum, et al., 1975T = 5 to 350 K. Values per CH2 unit.
22.60298.15Chang, 1974T = 5 to 360 K. Value per monomer unit.
22.98298.15Chang, 1974T = 5 to 360 K. Value per monomer unit.
23.96298.15Chang, 1974T = 5 to 360 K. Value per monomer unit.
30.20298.15Chang and Bestul, 1973T = 2 to 360 K. Values per unit formula weight.
30.26298.15Chang and Bestul, 1973T = 2 to 360 K.
25.68298.15Chang and Bestul, 1973T = 2 to 360 K. Values per unit formula weight.
21.88298.15Wunderlich, 1965T = 180 to 410 K. Values per gram formula weight.
29.17300.Passaglia and Kevorkian, 1963T = 90 to 415 K.
24.47300.Passaglia and Kevorkian, 1963T = 90 to 433 K.
26.29298.15Dainton, Evans, et al., 1962T = 20 to 310 K. Data for "Marlex 50" (low pressure) polythene.
26.02298.15Dainton, Evans, et al., 1962T = 20 to 310 K. Data for "Rigidex 50" (low pressure) polythene.
32.47298.15Dainton, Evans, et al., 1962T = 90 to 300 K. Data for "W.N.C. 18" (high pressure) polythene.
31.69300.Warfield and Petree, 1962T = 10 to 320 K. Calculated. Conventional high pressure polyethylene.
24.53300.Wunderlich, 1962T = 1 to 420 K. Extrapolated value to 100% crystalline phase.
32.85300.Wunderlich, 1962amorphous phase; T = 1 to 420 K. Extrapolated value to 100% amorphous phase.
31.69300.Warfield and Petree, 1961T = 10 to 320 K. Interpolated data.
24.4270.Sochava and Trapeznikova, 1957T = 58 to 270 K. Cp value is unsmoothed experimental datum.

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

DeltafusH (kJ/mol) Temperature (K) Reference Comment
3.879415.Wunderlich, 1962 
3.879415.Wunderlich, 1962 

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
9.35415.Wunderlich, 1962 
9.35415.Wunderlich, 1962 

IR Spectrum

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Data compiled by: Timothy J. Johnson, Tanya L. Myers, Yin-Fong Su, Russell G. Tonkyn, Molly Rose K. Kelly-Gorham, and Tyler O. Danby


References

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

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Steele, 1978
Steele, W.V., The standard enthalpies of formation of a series of C7, bridged-ring hydrocarbons: norbornane, norbornene, nortricyclene, norbornadiene, and quadricyclane, J. Chem. Thermodyn., 1978, 10, 919-927. [all data]

Chang, 1976
Chang, S-S., Heat capacities of polyethylene IV. High molecular weight linear polyethylene, J. Res., 1976, NBS A80, 51-57. [all data]

Chang, Westrum, et al., 1975
Chang, S-S.; Westrum, E.F., Jr.; Carlson, H.G., Heat capacities of polyethylene III. One linear and one branched sample from 5 to 350 K, J. Res., 1975, NBS 79A, 437-441. [all data]

Chang, 1974
Chang, S.S., Heat capacities of polyethylene from 2 to 360 K. II. Two high density linear polyethylene samples and thermodynamic properties of crystalline linear polyethylene, J. Res., 1974, NBS A 78, 387-400. [all data]

Chang and Bestul, 1973
Chang, S.S.; Bestul, A.B., Heat capacities of polyethylene from 2 to 360K. I. Standard samples of linear and branched polyethylene whole polymer, J. Res., 1973, NBS 77A, 395-405. [all data]

Wunderlich, 1965
Wunderlich, B., Specific heat of polyethylene single crystals, J. Phys. Chem., 1965, 69, 2078-2081. [all data]

Passaglia and Kevorkian, 1963
Passaglia, E.; Kevorkian, H.K., The heat capacity of linear and branched polyethylene, J. Appl. Poly. Sci., 1963, 7, 119-132. [all data]

Dainton, Evans, et al., 1962
Dainton, F.S.; Evans, D.M.; Hoare, F.E.; Melia, T.P., Thermodynamic functions of linear high polymers. Part III. Polyethylene, Polymer, 1962, 3, 277-285. [all data]

Warfield and Petree, 1962
Warfield, R.W.; Petree, M.C., Thermodynamic properties of polyethylene, Die Makromolekulare Chem., 1962, 51, 113-122. [all data]

Wunderlich, 1962
Wunderlich, B., Motion in polyethylene. I. Temperature and crystallinity dependence of the specific heat, J. Chem. Phys., 1962, 37, 1203-1207. [all data]

Warfield and Petree, 1961
Warfield, R.W.; Petree, M.C., Thermodynamic functions of polyethylene, Chem. Ind. (London), 1961, 1961, 1571-1572. [all data]

Sochava and Trapeznikova, 1957
Sochava, I.V.; Trapeznikova, O.N., Heat capacity of chain structures at low temperatures, Dokl. Akad. Nauk, 1957, SSSR 113, 784-786. [all data]


Notes

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