Abstract

Rheo-optical studies were conducted on a polystyrene-block-poly(ethylene-alt-propylene) copolymer having spherical microdomains composed of polystyrene block chains in a matrix composed of poly(ethylene-alt-propylene) block chains. SAXS was detected with a 2D detector simultaneously with stress measurements on specimens subjected to a large-amplitude oscillatory shear deformation with a strain amplitude of 50% and a zero static strain at a frequency of 0.0936 rad/s and at room temperature, with the purpose to elucidate a relationship between macroscopic properties of the systems and their mesoscopic structure as revealed by SAXS

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