The specialty chemicals Group Altana has signed an agreement to acquire Kometra Kunststoff-Modifikatoren und -Additiv GmbH. Kometra produces polymer modifiers in Schkopau, Saxony-Anhalt, Germany. These modifiers are specific surface-active copolymers, which are used as impact modifiers and adhesion promotors in many applications. Polymer modifiers are applied in the refinement of standard plastics and are particularly used in technical applications, for example in the automotive industry. The company will be integrated into Altana’s BYK Additives & Instruments division.