SEARCH Articles Figures Tables Advanced molecular structure, consisting of rigid and flexible segments Block structure, segment density Hard segments elastomers, structure Hard segments structure Hierarchal structure-property relationships of segmented polyurethanes Polymer segmental structure, aromatic Rigid segments, property-structure Segmented polyurethanes hierarchal structure-property relationships Segmented polyurethanes structure Soft segment structure Structural effects hard-segment distribution Structural studies on polyurethane elastomers with crystallizable hard segments