Capillary Wave Analysis and Domain Fusion Process at Immiscible Polymer/Polymer Interfaces

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It is important to understand the formation process of polymer/polymer interface atwhich a polymer contacts with another and they mutually diffuse. In this study, I studied the methodology of real-time measurements and analyses of polymer interfaces by combination of time-resolved neutron reflectivity measurements andmathematical models for interdiffusion of polymers. For the investigation of immiscible polymer interfaces, I also prepared a model interface by using a diblock copolymer with photo-cleavable junction point. The structural changes in immiscible interfaces with time were examined by time-resolved small angle X-ray scatteringmeasurements.