Abstract
This paper gives the procedures and initial results from a study of the effect of pressure on dielectric relaxation parameters for crystalline polymers. Knowledge of pressure dependence is important since it makes possible the separation of volume and temperature effects. This separation cannot be done by varying temperature alone. The choice of crystalline polymers for the study was made because the structure of the crystal is better known that that of the liquid or glass states and because considerable dielectric pressure data already exist for amorphous polymers. Finally, a dynamical description of the relaxation process is given and the relaxation behavior is described in terms of bulk thermodynamic properties.
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References
R. D. McCammon, R. N. Work, Rev. Sci. Instr. 36, 1169 (1965).
Scotchpak No. EX-31224 heat sealable polyester film made by the 3M Company. We have also tried FEP film for this purpose.
F. I. Mopsik, J. Res. NBS 71A, 287 (1967).
W. P. Harris, Annual Report, Conference on Electrical Insulation and Dielectric Phenomena NAS-NRC (1966) p. 72.
R. J. Meakins, Progress in Dielectrics, 3, 180, John Wiley, New York, 1961.
J. D. Hoffman, G. Williams, E. Passaglia, J. Polymer Sci. C, 14, 173 (1966).
J. S. Dryden and H. K. Welsh, Aust. J. Scient. Res. A4, 616 (1951).
D. W. Davidson, Can. J. Chem. 39, 1321 (1961).
J. Crissman of NBS grew a single crystal of n-C20 which had no mechanical a peak (private communication).
M. G. Broadhurst, J. Chem. Phys. 33, 210 (1960). Ethyl stearate single crystals showed essentially no a relaxation.
W. E. Robinson, H. K. Welsh, Aust. J. Chem. 22, 1299 (1969).
G. Williams, Trans. Faraday Soc. 60, 1556 (1964); 61, 1564 (1965); 62, 1321, 1329, 2091 (1966).
M. Craig, J. Am. Oil. Chem. Soc. 34, 30 (1956).
M. G. Broadhurst, F. I. Mopsik, J. Chem. Phys. 52, 3634 (1970).
C. Brot, I. Darmon, J. Chem. Phys. 53 2271 (1970).
G. Williams, J. I. Lauritzen, Jr. and J. D. Hoffman, J. Appi. Phys. 38, 4203 (1967).
J. Frenkel, Kinetic Theory Of Liquids, Oxford University Press, Oxford, 1946.
M. D. Feit, Phys. Rev. B3, 1223 (1971).
F. Bueche, J. Chem. Phys. 30, 748 (1959).
J. S. Dryden, R. J. Meakins, Disc. Faraday Soc. 23, 39 (1957).
M. G. Broadhurst, Conference on Electrical Insulation and Dielectric Phenomena — 1969 Annual Report, National Academy of Sciences, Washington, D.C. (1970).
H. R. Glyde, J. Phys. Chem. Solids 28, 2061 (1967); B. N. Oshcherin, Phys. Status Solidi (Germany) 43, K59 (1971).
J. Chichocki, J. de Phys. 9, 129 (1938).
R. W. Keyes, J. Chem. Phys. 29, 467 (1958).
M. G. Broadhurst and F. I. Mopsik, J. Chem. Phys. 54, 4239 (1971).
M. Tasumi and S. Krimm, J. Chem. Phys. 46, 755 (1967).
A. W. Lawson, J. Chem. Phys. 32, 131 (1960).
R. K. Eby, J. Chem. Phys. 37, 2786 (1962).
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© 1972 Plenum Press, New York
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Broadhurst, M.G. (1972). Dielectric Properties of Methyl Stearate-A Model Crystalline Polymer. In: Karasz, F.E. (eds) Dielectric Properties of Polymers. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-8669-2_6
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DOI: https://doi.org/10.1007/978-1-4615-8669-2_6
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