The entropy of a confined polymer. I
- 1 March 1969
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 2 (2), 145-150
- https://doi.org/10.1088/0305-4470/2/2/001
Abstract
A study is made of the entropy of a random-flight polymer confined in a box of volume V. When the natural radius of the polymer approaches the linear size of the box, the entropy ceases to have the normal form of a thermodynamic function and the pressure is not a function of the density but takes the form PV= pi 2/3(Ll/R2) kappa T where L is the polymer length, l the step length and R equals V, and the density of the system even though strictly in equilibrium is not uniform. The introduction of constraints due to forces, cross linkages and very long-lived quasi-invariants restores the equation of state to a thermodynamic form P=P( rho ) where rho =L/Vl.Keywords
This publication has 2 references indexed in Scilit:
- The entropy of a confined polymer. IIJournal of Physics A: General Physics, 1969
- The statistical mechanics of polymerized materialProceedings of the Physical Society, 1967