| abstract |
The disclosure concerns polymer compositions comprising: a) from about 55 wt % to about 85 wt % polycarbonate polymer; b) from about 10 wt % to about 30 wt % polypropylene polymer; and c) from about 2 wt % to about 15 wt % of a compatibilizer comprising (i) a polymer having styrene and ethylene/butylene blocks, (ii) a triblock copolymer, (iii) hydrogenated styrene isoprene copolymer, or (iv) mixtures thereof. |