Table 1.

Thermodynamic parameters obtained from fits of Equations (7) and (14) with an estimate of their error margins.

Polymer	ΔHb(Ts) [kJ mol−1]	Δcp [kJ mol−1K−1]	Ts [K]	T0 [K]	Δnci	$\frac{\mathit{d}{\mathit{c}}_{\mathit{p}}}{\mathit{d}{\mathit{c}}_{\mathit{s}}}$ [kJ mol−1K−1M−1]	ΔH0 [kJ mol−1]	ΔS0 [kJ K−1mol−1]
3	−30 ± 5	2.2 ± 0.5	271 ± 4	285 ± 3	2.76 ± 0.03	82 ± 8	6.4 ± 0.5	0.044 ± 0.004
4	−30 ± 5	0.9 ± 0.5	263 ± 4	285 ± 3	2.27 ± 0.03	14 ± 2	−1.7 ± 0.2	0.031 ± 0.003

ΔH_b(T_s): enthalpy of binding at T = T_s (Equation (7)); Δc_p: specific heat of binding determined from fits of Equation (7) to experimental data; T_s: temperature where the entropy of binding vanishes; T₀: characteristic temperature defined through Equation (14); Δn_ci: net number of released counterions (Equation (14)); dΔc_p/dc_s: coefficient defining water release (Equation (14)); ΔH₀, ΔS₀: residual enthalpy and entropy of binding, respectively, as defined through Equation (14).