M. Zrinyi et al., DETERMINATION OF THE RATIO OF THE SHEAR MODULUS OVER THE LONGITUDINALMODULUS FOR SWOLLEN NETWORKS, Die Makromolekulare Chemie. Macromolecular symposia, 76, 1993, pp. 219-226
The ratio of the shear modulus over the longitudinal osmotic modulus h
as been determined by different experimental methods. Osmotic deswelli
ng, swelling kinetics as well as deswelling induced by unidirectional
compression were performed. For the experiments chemically cross-linke
d poly(vinyl acetate) gels swollen in toluene and acetone (good solven
ts) and iso-propyl alcohol(poor solvent) have been used. The results a
re in agreement with the theoretical predictions.