Letter | Published:

Effect of Tension on Water Absorption by Hair

Naturevolume 168pages521522 (1951) | Download Citation



IT seems to be generally assumed that the application of tensile stress to a textile fibre should reduce the amount of absorbed water in equilibrium with water vapour in the atmosphere at a given value of the relative humidity1. This assumption would appear to be substantiated by the recent work of White and Stam2 on human hair, in which a substantially reversible reduction of water content amounting to 50 per cent was found to occur on the application of a tensile stress of approximately 120 kgm./cm.2.

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  1. 1

    Woods, J. Text. Inst., 40, 368 (1949).

  2. 2

    White and Stam, Text. Res. J., 19, 136 (1949).

  3. 3

    Treloar, Trans. Farad. Soc., 46, 783 (1950).

  4. 4

    Flory and Rehner, J. Chem. Phys., 12, 412 (1944).

  5. 5

    Treloar, Proc. Roy. Soc., A, 200, 176 (1950).

  6. 6

    Barkas, “Swelling Stresses in Gels”, 16 (H.M. Stationery Office, 1945).

  7. 7

    Chamberlain and Speakman, Z. Eleletrochem., 37, 374 (1931).

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  1. British Rayon Research Association and Davy Faraday Laboratory, Royal Institution, London, W.1

    • L. R. G. TRELOAR


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