The present invention relates to a multilayer protective mask having antimicrobial properties, said mask comprising a body portion comprising: at least a first and a second fabric layers having random fiber configuration; a middle layer comprising a nanofiber membrane; and a third and a fourth fabric layers. The first fabric layer is disposed between the third fabric layer and the nanofiber membrane, and the second fabric layer is disposed between the fourth fabric layer and the nanofiber membrane. The first, the second, the third, and the fourth fabric layers have incorporated therein a synergistic combination of at least two metal oxide powders, comprising a mixed oxidation state oxide of a first metal and a single oxidation state oxide of a second metal, said combination having synergistic antimicrobial properties.

The present invention relates to a multilayer protective mask having antimicrobial properties, said mask comprising a body portion comprising: at least a first and a second fabric layers having random fiber configuration; a middle layer comprising a nanofiber membrane; and a third and a fourth fabric layers. The first fabric layer is disposed between the third fabric layer and the nanofiber membrane, and the second fabric layer is disposed between the fourth fabric layer and the nanofiber membrane. The first, the second, the third, and the fourth fabric layers have incorporated therein a synergistic combination of at least two metal oxide powders, comprising a mixed oxidation state oxide of a first metal and a single oxidation state oxide of a second metal, said combination having synergistic antimicrobial properties.

A substrate with a film. The substrate with a film comprising a porous substrate. The porous substrate having one or more pores extending through the substrate. A film can be applied to the porous substrate. The film being a vapour deposited film formed from a metal vapour adhering to the surface of the substrate, and wherein the film comprises a metal and a metal oxide.

A substrate with a film. The substrate with a film comprising a porous substrate. The porous substrate having one or more pores extending through the substrate. A film can be applied to the porous substrate. The film being a vapour deposited film formed from a metal vapour adhering to the surface of the substrate, and wherein the film comprises a metal and a metal oxide.

A chemical composition for controlling odor and to a method of using the chemical composition to impart an odor control treatment to an article, more particularly to a textile material or a building or construction material. The chemical composition comprises a metal compound selected from the group consisting of a metal oxide, a metal hydroxide, and a combination thereof and a sulfo polyester. Methods of making and of using are provided.

A chemical composition for controlling odor and to a method of using the chemical composition to impart an odor control treatment to an article, more particularly to a textile material or a building or construction material. The chemical composition comprises a metal compound selected from the group consisting of a metal oxide, a metal hydroxide, and a combination thereof and a sulfo polyester. Methods of making and of using are provided.

A method for preparing an elastic conductive fiber includes: immersing an elastic fiber in a first treating composition containing a metal trifluoroacetate and an alcohol solvent, so as to obtain a processed elastic fiber containing the metal trifluoroacetate; and immersing the processed elastic fiber in a second treating composition containing water, a reducing agent and a nano conductive material, so that a metal particle is formed on a surface of the processed elastic fiber by reducing metallic ions in the metal trifluoroacetate, and the nano conductive material is deposited on a surface of the processed elastic fiber and a surface of the metal particle. An elastic conductive fiber is also disclosed.

A method for preparing an elastic conductive fiber includes: immersing an elastic fiber in a first treating composition containing a metal trifluoroacetate and an alcohol solvent, so as to obtain a processed elastic fiber containing the metal trifluoroacetate; and immersing the processed elastic fiber in a second treating composition containing water, a reducing agent and a nano conductive material, so that a metal particle is formed on a surface of the processed elastic fiber by reducing metallic ions in the metal trifluoroacetate, and the nano conductive material is deposited on a surface of the processed elastic fiber and a surface of the metal particle. An elastic conductive fiber is also disclosed.

A composition for treating a textile fabric to impart an odor control property is provided. The composition has a synergistic effect on controlling odor of a textile fabric for an extended number of home launderings. The composition comprises a urethane based binder dispersion or a urethane precursor in addition to a metal oxide. The composition comprises a blocked isocyanate binder and a metal oxide.

A manufacturing method for an antibacterial fiber includes the following steps. A dipping step is performed to soak a conductive fiber in a solution, in which the solution includes an ionic compound, and the ionic compound includes a metal cation. An oxidation step is performed by using the conductive fiber as an anode, such that an antibacterial material produced by the solution is adhered to a surface of the conductive fiber, in which the antibacterial material includes a metal oxide.