BASF and INEOS plan to combine their global business activities in styrene monomers (SM), polystyrene (PS), acrylonitrile butadiene styrene (ABS), styrene-butadiene block copolymers (SBC) and other styrene-based copolymers (SAN, AMSAN, ASA, MABS) as well as copolymer blends into the new joint venture called Styrolution.