Preparation, morphology, and deformation behavior of polyoxypropylene-co-nylon 6 thermoplastic elastomers



Segmented block copolymers consisting of nylon 6 and polyoxypropylene blocks were prepared and characterized. Pronounced phase separation in the solid phase was deduced from differential calorimetry and from small-angle X-ray scattering, as well as from dynamic mechanical measurements. The morphology (from X-ray diffraction) and anisotropy in mechanical properties strongly suggest phase separation in the melt (which is optically clear). Elastomerlike properties are described and discussed.