1-Propene, homopolymer, isotactic


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 bar69.92J/mol*KN/AGrebowicz, Lau, et al., 1984 
solid,1 bar80.79J/mol*KN/AGrebowicz, Lau, et al., 1984glass phase
solid,1 bar72.05J/mol*KN/ADainton, Evans, et al., 1962glass phase; When extrapolated to 100% crystallinity, the entropy is 61.92 J/mol*K.

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
68.99298.15Grebowicz, Lau, et al., 1984T = 0 to 500 K.
88.07298.15Grebowicz, Lau, et al., 1984glass phase; T = 0 to 500 K.
72.4299.8Passaglia and Kevorkian, 1963glass phase; T = 85 to 500 K. Unsmoothed experimental datum.
77.18298.15Dainton, Evans, et al., 1962glass phase; T = 20 to 310 K.

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

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
260.crystaline, IglassDainton, Evans, et al., 1962 

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
7.923267.crystalineglassPassaglia and Kevorkian, 1963 

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.

Grebowicz, Lau, et al., 1984
Grebowicz, J.; Lau, S.-F.; Wunderlich, B., The thermal properties of polypropylene, J. Polymer Science: Polymer Symp., 1984, 71, 19-37. [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]

Passaglia and Kevorkian, 1963
Passaglia, E.; Kevorkian, H.K., Specific heat of atactic and isotactic polypropylene and the entropy of the glass, J. Appl. Phys., 1963, 34(1), 90-97. [all data]


Notes

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