Abstract

Glass reinforcement has been applied to syndiotactic polystyrene, sPS, to enhance the dimensional stability, heat resistance, and electrical performance of this newly developed engineering resin. This chapter concentrates on the structure and property characteristics of the injection molded glass fiber reinforced sPS. Structural characteristics including crystallinity and the distribution of length, concentration, and orientation of glass fibers inside these injection molded parts are also studied and correlated with processing conditions. Thermo-physical behavior and mechanical properties of the glass fiber reinforced sPS were also studied. The chapter provides studies on the processing-structure-property relationship in the injection molding of short glass fiber reinforced sPS. The morphological characteristics (crystallinity and concentration, length, and orientation of glass fibers) of GFsPS samples show wide range of spatial variation within the molded parts. The mold geometry plays a crucial role in affecting the distributions of these morphological characteristics.

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