Dispersive Surface Energy and Acid-Base Parameters of Tosylate Functionalized Poly(ethylene glycol) via Inverse Gas Chromatography

Table 3

Values of the enthalpy, , and entropy, , of adsorption on PEG and PEG-Tos for the polar probes.

Probes	(kJmol^−1)		(kJmol^−1K^−1)
	PEG	PEG-Tos	PEG	PEG-Tos
DCM	19.4	29.4	38.4	47.2
Ch	11.4	24.8	19.0	40.5
Ac	13.7	26.3	26.3	42.5
THF	9.6	21.1	18.1	32.2
EA	13.6	32.8	26.9	40.5