Abstract
IT has been shown by Fricke and others1,2 that the dielectric constant of gelatin-water systems may rise to abnormally large values as the water content is increased to about 50 per cent, with a consequent increase in the dielectric dispersion. They suggest that these phenomena may be either due to rotation of dipole ion groups present in gelatin which have been loosened by the sorbed water, or alternatively to the outer layers of less firmly bound water, in excess of the monolayer, which by concerted rotation exhibit ‘ferro-electric’ properties.
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References
Fricke and Parker, J. Phys. Chem., 44, 716 (1940).
Fricke and Curtis, J. Phys. Chem., 41, 729 (1937).
Cassie, Trans. Faraday Soc., 41, 450 (1945).
Pierce, J. Text. Inst., 15, T501 (1924).
King, A. T., J. Text. Inst., 17, T53 (1926).
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KING, G. Molecular Rotation in Keratin. Nature 158, 134 (1946). https://doi.org/10.1038/158134a0
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DOI: https://doi.org/10.1038/158134a0
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