Thermal and Mechanical Characteristics of Polymer Composites Based on Epoxy Resin, Aluminium Nanopowders and Boric Acid

3rd All-Russian Scientific and Practical Conference on Innovations in Non-Destructive Testing

Nazarenko, O.B.^1 ; Melnikova, T.V.^1 ; Visakh, P.M.^1

Ecology and Basic Safety Department, Tomsk Polytechnic University, Tomsk, Russia^1

关键词: Aluminum nanopowders;    Epoxy composite;    Flexural properties;    Functional properties;    Mechanical characteristics;    Polyethylene-polyamine;    Polymer composite;    Thermal characteristics;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/671/1/012040/pdf
DOI  :  10.1088/1742-6596/671/1/012040

来源: IOP

【 摘 要 】

The epoxy polymers are characterized by low thermal stability and high flammability. Nanoparticles are considered to be effective fillers of polymer composites for improving their thermal and functional properties. In this work, the epoxy composites were prepared using epoxy resin ED-20, polyethylene polyamine as a hardener, aluminum nanopowder and boric acid fine powder as flame-retardant filler. The thermal characteristics of the obtained samples were studied using thermogravimetric analysis and differential scanning calorimetry. The mechanical characteristics of epoxy composites were also studied. It was found that an addition of all fillers enhances the thermal stability and mechanical characteristics of the epoxy composites. The best thermal stability showed the epoxy composite filled with boric acid. The highest flexural properties showed the epoxy composite based on the combination of boric acid and aluminum nanopowder.