Department of Energy Engineering University Institute of Technology University of Ngaoundere Ngaoundere Cameroon;
Department of Chemistry Faculty of Science University of Yaoundé I Yaoundé Cameroon;
Department of Textile and Leather Engineering National Advanced School of Engineering of Maroua Maroua Cameroon;
Department of Textile and Leather Engineering National Advanced School of Engineering of Maroua Maroua CameroonDepartment of Chemistry Faculty of Science University of Maroua Maroua Cameroon;
Department of Physics Faculty of Science University of Yaoundé I Yaoundé Cameroon;
Characterization; Coffee Hulls; Filler; LLDPE; Physicochemical and Thermal;