Table 7.

Hansen solubility parameters (HSPs) of Pebax^®2533, some polar solvents, and some gases.

	Solubility Parameter (MPa)0.5
Material	δ D	δ P	δ H	δ t a	∆δ	Ref.
Pebax®2533	17.6	7.6	6.8	20.3	-	[24]
HFIP	17.2	4.3	14.7	23.0	8.6	[23]
i-Propanol	15.8	6.1	16.4	23.6	10.4	[23]
1-Butanol	16.0	5.7	15.8	23.2	9.7	[23]
Ethanol	15.8	8.8	19.4	26.5	13.2	[23]
Water	15.5	16.0	42.3	47.8	43.3	[25]
CO2	15.7	6.3	5.7	17.9	4.2	[25]
N2	11.9	0	0	11.9	15.3	[25]

^aδ_t, total cohesion (solubility) parameter: δ_t² = δ_D² + δ_P² + δ_H².