Polymer Institute Brno, formerly known as the Research Institute of Macromolecular Chemistry (RIMC), is a polymer service provider and technology partner with a more than 60 year tradition in Research & Development. Its activities are focused mainly on polyolefin catalyst research, the development of new resin grades, post-reactor modification of polymers (reactive compounding, polymer reinforcements, blends), new formulations of additives such as stabilisers, colour concentrates, antistatics, etc., and troubleshooting.

PIB is a part of ORLEN Unipetrol RPA as ORLEN UNIPETROL RPA s.r.o. - POLYMER INSTITUTE BRNO spin-off.