Synthesis and Effect of Hierarchically Structured Ag-ZnO Hybrid on the Surface Antibacterial Activity of a Propylene-Based Elastomer Blends

Abstract

In this study, a hybrid Ag-ZnO nanostructured micro-filler was synthesized by the drop technique for used in plastic and medical industry. Furthermore, new antibacterial polymer nanocomposites comprising particles of Ag-ZnO up to 5 wt % and a blend of a thermoplastic polyolefin elastomer (TPO) with polypropylene were prepared using twin screw micro-compounder. The morphology and crystalline-phase structure of the hybrid Ag-ZnO nanostructured microparticles obtained was characterized by scanning electron microscopy and powder X-ray diffractometry. The specific surface area of this filler was investigated by means of nitrogen sorption via the Brunauer-Emmet-Teller method. A scanning electron microscope was used to conduct a morphological study of the polymer nanocomposites. Mechanical and electrical testing showed no adverse effects on the function of the polymer nanocomposites either due to the filler utilized or the given processing conditions, in comparison with the neat polymer matrix. The surface antibacterial activity of the compounded polymer nanocomposites was assessed against Escherichia coli ATCC 8739 and Staphylococcus aureus ATCC 6538P, according to ISO 22196:2007 (E). All the materials at virtually every filler-loading level were seen to be efficient against both species of bacteria.

Natural Additives Improving Polyurethane Antimicrobial Activity

“…Constantly endangering fungus and mold can cause products to fast decrease in product quality, stability, and product shelf life. The presented review confirmed that incorporation of natural modifiers with given antibacterial properties into conventional polyurethane and polyurethane foam formulations allows preparing of antimicrobial materials with effective alternatives to expensive and currently technologies [83][84][85][86][87][88][89][90][91][92][93][94][95][96][97][98][99][100][101][102].…”

Targeted and Enhanced Antimicrobial Inhibition of Mesoporous ZnO–Ag2O/Ag, ZnO–CuO, and ZnO–SnO2 Composite Nanoparticles

“…Notably, there is no significant diffraction peaks observed that could be due to the lattice site substitution of ZnO or for the other elements. 45 In conclusion, the XRD results showed that the NP combination system comprises elemental Ag 2 O/Ag 0 , CuO, and SnO 2 in different combinations with ZnO, and the NP systems are crystalline in nature. These results are further matching well with the transmission electron microscopy (TEM) results (fringes are visible in Figure 1).…”

“…Therefore, the obtained results prove that there are significant diffraction peaks present as the evidence for the presence of AgO 2 /Ag 0 , SnO 2 , and CuO in the final composition. Notably, there is no significant diffraction peaks observed that could be due to the lattice site substitution of ZnO or for the other elements . In conclusion, the XRD results showed that the NP combination system comprises elemental Ag 2 O/Ag 0 , CuO, and SnO 2 in different combinations with ZnO, and the NP systems are crystalline in nature.…”

Tamarindus indica seed polysaccharide-copper nanocomposite: An innovative solution for green environment and antimicrobial studies

“…The next step of current research is to determine and observe the antimicrobial especially antibacterial properties of synthesized products one by one. Antimicrobial activities of synthetic compounds was determined by using well diffusion method according to CLSI, 2007 [ 36 ]. Further details and procedure for antibacterial activities are given in supporting information.…”