Mineral reinforced impact modified polycarbonate blends: Exploring specific filler surface interactions for property enhancements

摘要

Incorporation of nano to micron scale mineral reinforcements in impact modified polycarbonate blends provides a potential route for achieving high stiffness dimensionally stable blends which are an attractive engineering thermoplastic solution for automotive exteriors and body panels. Designing such blends has traditionally focused on optimizing the flow-impact-stiffhess balance. The toughness and impact properties of such reinforced blends are to a large extent dictated by the reinforcing agent characteristics, loading, particle size etc. to name a few. Modifying the surface chemistry of the mineral reinforcements for achieving exceptional toughness and impact properties is the focus of the current paper. The results shall focus on how the interfacial chemistry between the engineering thermoplastic blend and the mineral reinforcement is a key enabler to push the boundaries of flow-impact-stiffness balance in these systems.