The Influence of Water and Solvent Uptake on Functional Properties of Shape-Memory Polymers

Figure 11

Development of reduced strain values () for (a) dry- and (b) physically (hydrolytically) aged Estane samples during the unloading process in the 2nd cycle stretched up to different maximum strains (from 10% to 150%) at in a cyclic thermomechanical tensile test. Development of reduced extension values () for (c) dry- and (d) physically (hydrolytically) aged Estane samples during the recovery process in the 2nd cycle stretched up to different maximum strains (from 10% to 150%) at in a cyclic thermomechanical tensile test.

(a) Dry Estane

(b) Hydrolytically aged Estane

(c) Dry Estane

(d) Hydrolytically aged Estane