Ato nanoparticles are used to improve the impermeability, strength, and stiffness of plastic products such as food packaging, medical devices, and automotive parts. Al2o3 nanoparticles improve the physical properties of polyethylene and polypropylene by slowing the polymer chain in the polymer matrix, thereby slowing the degradation process.
More info :- https://ssnano.com/inc/sdetail/calcium_carbonate_nanoparticles___nanopowder__surface_modified_for_plastic__pe_pp/246
