The research work of Mr. Piotr Szymczak covers the subject of the use of secondary raw materials in the production of high-quality foil products. Many years of experience in the industrial sector is the basis for the author's excellent competencies in the field of implementing solutions in the field of polymer modification on a technological scale. Currently, Piotr Szymczak is researching the use of waste plastics in foil processing. The research is carried out at the Poznań University of Technology.