Review Article

Production and Application of Polymer Foams Employing Supercritical Carbon Dioxide

Figure 8

The linear viscoelastic properties of (a) shear (open symbols) and complex viscosity (filled symbols) and (b) storage modulus of the neat and CE-enriched PLAs. The addition of CE into the matrix changes the rheological response of the material according to the CE content (adapted with permission from [100]).
(a)
(b)