(Bio)degradable Ionomeric Polyurethanes Based on Xanthan: Synthesis, Properties, and Structure

Figure 4

The temperature dependence of the ion current intensity for IPU (a), IPU/10Xa (1, 2), and IPU/30Xa (1′, 2′) (b): (1, 1′) initial sample; (2, 2′) sample after incubation in the soil (4 months); (3) initial Xa.

(a)

(b)