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1-Butene, homopolymer


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
7.008407.8Wilski and Grewer, 1964Rhombohedral form, 76.0% crystallinity.
6.502360.Wilski and Grewer, 1964Rhombohedral atactic form, 13.0% crystallinity.
4.075394.6Wilski and Grewer, 1964Tetragonal form, 76.0% crystallinity.

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
249.crystalineglassDainton, Evans, et al., 1962 

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
2.933394.6crystaline, IIcrystaline, IWilski and Grewer, 1964Rhombohedral to tetragonal.

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.

Wilski and Grewer, 1964
Wilski, H.; Grewer, T., The specific heat of poly-1-butene, J. Polymer Sci., Pt. C, 1964, (6), 33-41. [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 IV. Stereospecific poly-a-olefines, Polymer, 1962, 3, 286-296. [all data]


Notes

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