Functional filament, ultrafine functional fiber and uses of the same

Abstract

A functional filament is provided. The functional filament comprises a polymer matrix and functional nanoparticles dispersed within the polymer matrix. The functional filament has a cross-sectional diameter ranging from 1 μm to 30 μm, and the functional nanoparticles include element(s) selected from the group consisting of Au, Ag, Ti, Ge, Zn, Al, Mg, Si, Cu, Ca, Fe, Ba, K, Na, Mn, Ni, Ga, Pt, and combinations thereof.

What is claimed is: 
     
         1 . A functional filament, comprising a polymer matrix and functional nanoparticles dispersed within the polymer matrix, wherein the functional filament has a cross-sectional diameter ranging from 1 μm to 30 μm, and the functional nanoparticles comprise element(s) selected from the group consisting of Au, Ag, Ti, Ge, Zn, Al, Mg, Si, Cu, Ca, Fe, Ba, K, Na, Mn, Ni, Ga, Pt, and combinations thereof. 
     
     
         2 . The functional filament of  claim 1 , wherein the cross-sectional diameter of the functional filament ranges from 5 μm to 20 μm. 
     
     
         3 . The functional filament of  claim 1 , wherein an average particle size of the functional nanoparticles ranges from 1 nm to 300 nm. 
     
     
         4 . The functional filament of  claim 1 , wherein the functional nanoparticles comprise Fe, Ti and Ca. 
     
     
         5 . The functional filament of  claim 4 , wherein the functional nanoparticles further comprise element(s) selected from the group consisting of Al, Ba, Cu, Mg, Ni, Zn, Mn, and combinations thereof. 
     
     
         6 . The functional filament of  claim 1 , wherein the polymer matrix is selected from the group consisting of polyester, polyurethane (PU), poly(vinyl chloride) (PVC), polypropylene (PP), polyamide (PA), an amino-comprising polymer, silicone, and mixtures thereof. 
     
     
         7 . The functional filament of  claim 2 , wherein the polymer matrix is selected from the group consisting of polyester, polyurethane (PU), poly(vinyl chloride) (PVC), polypropylene (PP), polyamide (PA), an amino-comprising polymer, silicone, and mixtures thereof. 
     
     
         8 . The functional filament of  claim 3 , wherein the polymer matrix is selected from the group consisting of polyester, polyurethane (PU), poly(vinyl chloride) (PVC), polypropylene (PP), polyamide (PA), an amino-comprising polymer, silicone, and mixtures thereof. 
     
     
         9 . The functional filament of  claim 4 , wherein the polymer matrix is selected from the group consisting of polyester, polyurethane (PU), poly(vinyl chloride) (PVC), polypropylene (PP), polyamide (PA), an amino-comprising polymer, silicone, and mixtures thereof. 
     
     
         10 . The functional filament of  claim 5 , wherein the polymer matrix is selected from the group consisting of polyester, polyurethane (PU), poly(vinyl chloride) (PVC), polypropylene (PP), polyamide (PA), an amino-comprising polymer, silicone, and mixtures thereof. 
     
     
         11 . The functional filament of  claim 6 , wherein the polymer matrix comprises polyester. 
     
     
         12 . The functional filament of  claim 7 , wherein the polymer matrix comprises polyester. 
     
     
         13 . The functional filament of  claim 8 , wherein the polymer matrix comprises polyester. 
     
     
         14 . The functional filament of  claim 9 , wherein the polymer matrix comprises polyester. 
     
     
         15 . The functional filament of  claim 10 , wherein the polymer matrix comprises polyester. 
     
     
         16 . An ultrafine functional fiber, comprising the functional filament of  claim 1 . 
     
     
         17 . The ultrafine functional fiber of  claim 16 , wherein a fiber fineness of the ultrafine functional fiber is less than 0.7 denier. 
     
     
         18 . A functional fabric, which is manufactured from a fiber material, wherein the fiber material comprises the ultrafine functional fiber of  claim 16 .