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The setting of gelatin sols

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Summary

The time of setting of gelatin sols has been measured under a variety of experimental conditions, and used to obtain information about the early stages of gelatin gel formation. The data suggest that the setting process is basically a cross-linking process between gelatin molecules. In this respect it differs from the process leading to the development of rigidity in gelatin gels, which occurs over a longer period and is related to the assumption of the helical conformation of the molecule.

The molecular weight (¯ M w) and intrinsic viscosity of a considerable number of gelatins and molecular weight fractions have been measured. Calculations from these data indicate that the gelatin molecule is highly branched.

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Author notes

  1. J. W. Janus

    Present address: Research Laboratories, Kodak Ltd., Wealdstone, Middlesex, England

Authors and Affiliations

  1. Research Laboratories, Kodak Ltd., Wealdstone, Middlesex, England

    B. E. Tabor & R. L. R. Darlow

Authors
  1. J. W. Janus
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  2. B. E. Tabor
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  3. R. L. R. Darlow
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Janus, J.W., Tabor, B.E. & Darlow, R.L.R. The setting of gelatin sols. Kolloid-Z.u.Z.Polymere 205, 134–139 (1965). https://doi.org/10.1007/BF01507978

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  • DOI: https://doi.org/10.1007/BF01507978

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