Interface Polymers is a UK-based materials technology company that develops polymer additives to solve interfacial compatibility challenges in polyolefins.
Its Polarfin additives are designed to make polyethylene and polypropylene compatible with polar polymers and substrates, improving adhesion, blend stability, and processing in applications such as packaging, compounding, and coatings. By enabling bonding between dissimilar materials and aiding the recycling of mixed-plastic streams, the company’s technology supports efforts to increase material recovery and reuse across the plastics value chain.