Hybrid Composite Materials Made of Recycled PET and Standard Polymer Blends Used in Civil Engineering

Polymers (Basel). 2023 Aug 14;15(16):3407. doi: 10.3390/polym15163407.

Abstract

This paper presents an investigation of the tensile properties of two composites made from recycled polyethylene tetraphthalate, cement-concrete mix and standard polymer-based adhesive mixes, used in the construction industry. To describe tensile behavior, experimental measurements of each component of the resulting composite materials were processed in detail. It presents the possibilities of modifying materials suitable for building structures and at the same time provides an opportunity to get rid of polyethylene tetraphthalate (PET), which has already been recycled several times. Because the resulting composite contains a majority of the composite composition on a fragile basis, its use in practice depends on its simple thrust properties. In this paper, a study of the most important mechanical properties of a previously unused composite is presented. These properties were obtained experimentally using an innovative tensile test method.

Keywords: cement–concrete; force stand; hybrid composite; mechanical properties; modern material; polyethylene tetraphthalate; polymer composite; stress–strain diagram.

Grants and funding

This research was funded by the Ministry of Education, Science, Research and Sport of the Slovak Republic, grant number VEGA 1/0084/20 “Numerical and experimental analysis of transition areas of objects of structures of railway superstructures and objects of formation substructure” and grant number VEGA 1/0484/20 “Experimental and numerical analysis of base layers of foam concrete reinforced with geosynthetics”.