A hypothetical freely jointed chain with the same mean-square end-to-end distance and contour length as an actual polymer chain in a theta state.
Source: Purple Book, 1st ed., p. 50 [Terms] [Book]
Citation: 'equivalent chain' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.E02190 RISBibTexEndNote