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 bar5.9 ± 0.6cal/mol*KAVGN/AAverage of 14 out of 15 values; Individual data points

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
6.19298.15Steele, 1978 
5.968298.15Chang, 1976T = 5 to 380 K. Value per monomer unit.
7.696298.15Chang, Westrum, et al., 1975T = 5 to 350 K. Values per CH2 unit.
5.925298.15Chang, Westrum, et al., 1975T = 5 to 350 K. Values per CH2 unit.
5.402298.15Chang, 1974T = 5 to 360 K. Value per monomer unit.
5.492298.15Chang, 1974T = 5 to 360 K. Value per monomer unit.
5.727298.15Chang, 1974T = 5 to 360 K. Value per monomer unit.
7.218298.15Chang and Bestul, 1973T = 2 to 360 K. Values per unit formula weight.
7.232298.15Chang and Bestul, 1973T = 2 to 360 K.
6.138298.15Chang and Bestul, 1973T = 2 to 360 K. Values per unit formula weight.
5.229298.15Wunderlich, 1965T = 180 to 410 K. Values per gram formula weight.
6.972300.Passaglia and Kevorkian, 1963T = 90 to 415 K.
5.848300.Passaglia and Kevorkian, 1963T = 90 to 433 K.
6.283298.15Dainton, Evans, et al., 1962T = 20 to 310 K. Data for "Marlex 50" (low pressure) polythene.
6.219298.15Dainton, Evans, et al., 1962T = 20 to 310 K. Data for "Rigidex 50" (low pressure) polythene.
7.761298.15Dainton, Evans, et al., 1962T = 90 to 300 K. Data for "W.N.C. 18" (high pressure) polythene.
7.574300.Warfield and Petree, 1962T = 10 to 320 K. Calculated. Conventional high pressure polyethylene.
5.863300.Wunderlich, 1962T = 1 to 420 K. Extrapolated value to 100% crystalline phase.
7.851300.Wunderlich, 1962amorphous phase; T = 1 to 420 K. Extrapolated value to 100% amorphous phase.
7.574300.Warfield and Petree, 1961T = 10 to 320 K. Interpolated data.
5.83270.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

ΔfusH (kcal/mol) Temperature (K) Reference Comment
0.9271415.Wunderlich, 1962 
0.9271415.Wunderlich, 1962 

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
2.23415.Wunderlich, 1962 
2.23415.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

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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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