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Steady shear behavior type (see Scheme 1) as a function of the concentration of cross-linkers and the concentration of PVP in DMSO. (a) Samples with cross-linker 1a; (b) Samples with cross-linker 1b. T = 25 °C. Dashed line across the chart indicates the critical concentration of entanglement (~ 0.155 g/mL).
