\nSAXS Theories.- Experimental part.- Data Evaluation.- Thermoplastic Polyurethane Elastomers Under Uniaxial Deformation.- Polypropylene/Montmorillonite Nanocomposites: Continuous Stretching and Load-Cycling.- HDPE/PA Microfibrillar Composites Under Load-Cycling.- Summary and Future Works.\n prečítať celé