Abstract:
A coating agent composition of the present invention contains photocatalyst particles composed of metal oxide in which an upper end potential of a valence band is 3 V (vs SHE) or more and a lower end potential of a conduction band is 0.16 V (vs SHE) or less. Moreover, the coating agent composition contains cuprous oxide particles, metal oxide particles without photocatalytic activity, a binder resin, and an organic solvent. Then, in 100 parts by mass of a non-volatile matter content of the coating agent composition, a content of the photocatalyst particles is 1 to 80 parts by mass, a content of the cuprous oxide particles is 0.1 to 5 parts by mass, and a total content of the photocatalyst particles and the metal oxide particles is 40 to 80 parts by mass.
Abstract:
A cuprous oxide particle dispersion liquid includes: cuprous oxide particles; 20 to 100 parts by mass of a phosphate ester-based anionic surfactant per 100 parts by mass of the cuprous oxide particles; and 500 to 10000 parts by mass of an organic solvent per 100 parts by mass of the cuprous oxide particles. The cuprous oxide particles have an average primary particle diameter of 2 nm to 80 nm and have an average secondary particle diameter of 50 nm to 150 nm, the average secondary particle diameter being measured by dynamic light scattering using cumulant analysis. A coating agent composition includes the cuprous oxide particle dispersion liquid and a binder resin, wherein the cuprous oxide particles are contained in a range from 0.1 to 50 parts by mass in 100 parts by mass of a non-volatile matter content of the coating agent composition. An antibacterial/antiviral member includes a substrate and a coating film formed on the substrate and containing the coating agent composition.
Abstract:
A pressure sensor 1 according to the first aspect of the invention includes: a substrate 50; and a functional element 40 which is laid on the substrate 50 and is composed of functional titanium oxide including crystal grains of at least one of β-phase trititanium pentoxide (β-Ti3O5) and λ-phase trititanium pentoxide (λ-Ti3O5) and having the property that at least a portion of crystal grains of at least one of β-phase trititanium pentoxide (β-Ti3O5) and λ-phase trititanium pentoxide (λ-Ti3O5) change into crystal grains of titanium dioxide (TiO2) when the functional titanium oxide is heated to 350° C. or higher. The substrate 50 includes a substrate thin-film section 51 having a thin film form in which the thickness in the stacking direction of the substrate 50 and the functional element 40 is smaller than that in the other directions.
Abstract:
A copper complex titanium oxide dispersion liquid includes: titanium oxide particles; and 0.1 to 20 parts by mass of cuprous oxide particles per 100 parts by mass of the titanium oxide particles. The dispersion liquid further includes: 5 to 100 parts by mass of phosphate ester-based anionic surfactant per 100 parts by mass of the titanium oxide particles and the cuprous oxide particles combined; and 300 to 2000 parts by mass of an organic solvent per 100 parts by mass of the titanium oxide particles and the cuprous oxide particles combined. The titanium oxide particles and the cuprous oxide particles have an average primary particle diameter of 2 nm to 80 nm and have an average secondary particle diameter of 50 nm to 150 nm as measured by dynamic light scattering using cumulant analysis. Moreover, 10 or more parts by mass of the titanium oxide particles are contained in 100 parts by mass of non-volatile matter content of the copper complex titanium oxide dispersion liquid.
Abstract:
An optical semiconductor-dispersed resin composition of the present invention includes: an optical semiconductor; 0.1 to 5 parts by mass of a copper compound per 100 parts by mass of the optical semiconductor; 50 to 350 parts by mass of an active energy ray-curable resin per 100 parts by mass of the optical semiconductor; and 0.1 to 20 parts by mass of a photopolymerization initiator per 100 parts by mass of the active energy ray-curable resin. The resin composition is manufactured by performing polymerization of the active energy ray-curable resin and excitation of the optical semiconductor through exposure to active energy rays.