COMPATIBILIZING EFFECT OF STYRENE SODIUM METHACRYLATE IONOMERS ON NYLON-6-POLYSTYRENE BLENDS

The compatibilizing effect of styrene-sodium methacrylate (S-NaMA) ion omer on nylon-6 (N6) and polystyrene (PS) blends was studied. The disp ersed particle size of these blends containing the ionomers was signif icantly reduced compared with that of the blends without the ionomer. The reduction of the particle size was more pronounced when the ionome r with lower ionic content was added to the blend. The blends using io nomer with the lower ionic content showed higher tensile strength than the blends using ionomer with the higher ionic content. It is suggest ed that these results are caused by the proper combination of specific interactions and structural similarity between the component polymers and the ionomers. (C) 1994 John Wiley & Sons, Inc.