Rheology and morphology of compatibilized polymer blends

By P. Puyvelde, S. Velankar, P. Moldenaers. 2001

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Coalescence suppression in model immiscible polymer blends by nano-sized colloidal particles (2004, methodology): “Coalescence can be reduced by incorporating block copolymers at the interface, their role being similar to that of surfactants used in the stabilization of emulsions (for a review on recent work in this area see, e.g., Van Puyvelde et al. 2001 ).”
Rheology of poly (lactic acid)-based systems (2019, background): “In general, the copolymer forms a layer around the minor phase and stabilizes the morphology by creating an interfacial tension gradient at the interface which retards the film drainage and/or by suppressing the coalescence due to the steric hindrance.(123,124) This in turn, yields blends with small”
Interfacial tension reduction in PBT/PE/clay nanocomposite (2007, background): “The reduction in domain size by the addition of the block copolymer originates from the breakup ofdropletscausedbythe coalescence suppression effect (Lyu et al. 2002a,b; Sundararaj and Macosko 1995; Puyvelde et al. 2001 ).”
Rheological, morphological, and interfacial properties of compatibilized PLA/PBAT blends (2014, result): “The uncompatibilized PLA PBAT blends (model A) became deformed into ellipsoids or even fibrils as reported in earlier studies, and severe drop breakup phenomena occurred (Van Puyvelde et al. 2001).”