{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["13(5)"],"submitter":["He C"],"pubmed_abstract":["Soft body armor with a strain-sensing function using conductive shear thickening fluids (STFs) has gradually gained research interest. In this study, conductive SiO<sub>2</sub>@Ag core-shell microspheres were synthesized and the influence of process parameters on their properties was evaluated. Subsequently, SiO<sub>2</sub> and SiO<sub>2</sub>@Ag were used as dispersed phases to prepare two-phase STFs, the effect of the core-shell microspheres' proportion on the rheological properties of the STFs was investigated, and its mechanism was discussed. The results indicated that SiO<sub>2</sub>@Ag core-shell microspheres were coated with elemental silver and when the concentration of sodium hydroxide and glucose were 0.07 and 0.09 mol L<sup>-1</sup>, respectively, the coating surface was the most uniform and compact, and the conductivity reached the minimum value of 0.56 Ω cm. The two-phase STFs exhibited good and reversible shear thickening behaviors and the critical shear rate decreased with increasing core-shell microsphere concentration. Additionally, when the mass fraction of SiO<sub>2</sub> and SiO<sub>2</sub>@Ag core-shell microspheres was 45% and 20%, respectively, the thickening rate was 325%, and the resistance of two-phase STFs decreased simultaneously with the emergence of shear thickening that reached the lowest value of 795.16 kΩ. This study provides a novel strategy for synthesizing conductive STFs for strain-sensing flexible stab-resistant composites."],"journal":["RSC advances"],"pagination":["3112-3122"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9869083"],"repository":["biostudies-literature"],"pubmed_title":["Synthesis and properties of SiO<sub>2</sub>/SiO<sub>2</sub>@Ag two-phase STFs."],"pmcid":["PMC9869083"],"pubmed_authors":["He C","Liu J","Wang Q","Sun R","Chen M","Jia X"],"additional_accession":[]},"is_claimable":false,"name":"Synthesis and properties of SiO<sub>2</sub>/SiO<sub>2</sub>@Ag two-phase STFs.","description":"Soft body armor with a strain-sensing function using conductive shear thickening fluids (STFs) has gradually gained research interest. In this study, conductive SiO<sub>2</sub>@Ag core-shell microspheres were synthesized and the influence of process parameters on their properties was evaluated. Subsequently, SiO<sub>2</sub> and SiO<sub>2</sub>@Ag were used as dispersed phases to prepare two-phase STFs, the effect of the core-shell microspheres' proportion on the rheological properties of the STFs was investigated, and its mechanism was discussed. The results indicated that SiO<sub>2</sub>@Ag core-shell microspheres were coated with elemental silver and when the concentration of sodium hydroxide and glucose were 0.07 and 0.09 mol L<sup>-1</sup>, respectively, the coating surface was the most uniform and compact, and the conductivity reached the minimum value of 0.56 Ω cm. The two-phase STFs exhibited good and reversible shear thickening behaviors and the critical shear rate decreased with increasing core-shell microsphere concentration. Additionally, when the mass fraction of SiO<sub>2</sub> and SiO<sub>2</sub>@Ag core-shell microspheres was 45% and 20%, respectively, the thickening rate was 325%, and the resistance of two-phase STFs decreased simultaneously with the emergence of shear thickening that reached the lowest value of 795.16 kΩ. This study provides a novel strategy for synthesizing conductive STFs for strain-sensing flexible stab-resistant composites.","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Jan","modification":"2025-04-18T20:46:39.311Z","creation":"2025-04-07T08:46:56.438Z"},"accession":"S-EPMC9869083","cross_references":{"pubmed":["36756393"],"doi":["10.1039/d2ra06895h"]}}