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Werner Kuhn (1899-1963) is a Swiss physical chemist who developed the first model of the viscosity of polymer solutions using statistical mechanics.1 He is known for being the first to apply Boltzmann's entropy formula:2
to the modeling of rubber molecules, i.e. the "rubber band entropy model", molecules which he imagined as chains of N independenly oriented links of length b with an end-to-end distance of r.3 This model, which resulted in the derivation of the thermal equation of state of rubber, has since been extrapolated to the entropic modeling of proteins and other conformational polymer chained molecules attached to a surface.
Kuhn received a degree in chemical engineering at the Eidgenössische Technische Hochschule (ETH, Federal Institute of Technology), in Zürich, and later a doctorate (1923) in physical chemistry.1
See also
References
- ^ a b Werner Kuhn - Encyclopedia Britannica
- ^ Kuhn, W. (1934). "Über die Gestalt fadenförmiger Moleküle in Losungen" (On the shape of filform molecules in solutions). Kolloidzeitschrift 68, p. 2.
- ^ Müller, Ingo (2007). A History of Thermodynamics - the Doctrine of Energy and Entropy. Springer. ISBN 978-3-540-46226-2.
External links
- Hirsch, Warren (2003). "Disorder in un-stretched rubberbands", JCE, Feb. Vol. 80, No. 2, p. 145
Wikipedia content modification information:
- This page was last modified on 17 October 2008, at 18:49.
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