Table 4.

Summary of the results related to the actuation behavior of the foams.

Sample	Equilibrium moisture uptake [wt%]	Contact angle [°]	Equilib- rium Tga) [°C]	Estimated working- time b) [min]
100TM	2.3 ± 1.0	78.08 ± 2.58	39.1 ± 0.3	10
80TM	4.3 ± 0.7	74.73 ± 2.51	30.6 ± 1.3	5
60TM	4.4 ± 0.9	74.06 ± 0.83	26.4 ± 0.4	4
40TM	6.0 ± 0.8	70.62 ± 3.51	21.1 ± 1.7	3
20TM	5.0 ± 0.8	66.26 ± 4.97	15.0 ± 0.7	< 3
0TM	8.1 ± 1.9	62.55 ± 2.86	12.2 ± 0.6	< 1

^a)Measured after 2 h of submersion in water;

^b)Defined here as the time until ≈ 20% of the initial diameter is recovered in 37 ° C water (representative of, but not necessarily equivalent to, the working time for an actual catheter-delivered device).