Infrared absorbing fiber and fiber product

Abstract

An infrared absorbing fiber including: a fiber; and organic-inorganic hybrid infrared absorbing particles, is provided. The organic-inorganic hybrid infrared absorbing particles include infrared absorbing particles and a coating resin that covers at least a part of a surface of the infrared absorbing particles. The organic-inorganic hybrid infrared absorbing particles are located in one or more parts selected from an interior of the fiber and a surface of the fiber.

1 . An infrared absorbing fiber comprising:
 a fiber; and   organic-inorganic hybrid infrared absorbing particles,   wherein the organic-inorganic hybrid infrared absorbing particles include infrared absorbing particles and a coating resin that covers at least a part of a surface of the infrared absorbing particles, and   wherein the organic-inorganic hybrid infrared absorbing particles are located in one or more parts selected from an interior of the fiber and a surface of the fiber.   
     
     
         2 . The infrared absorbing fiber according to  claim 1 , wherein the coating resin includes one or more resins selected from polyester resin, polycarbonate resin, acrylic resin, polystyrene resin, polyamide resin, vinyl chloride resin, olefin resin, fluorine resin, polyvinyl acetate resin, polyurethane resin, acrylonitrile butadiene styrene resin, polyvinyl acetal resin, acrylonitrile-styrene copolymer resin, ethylene-vinyl acetate copolymer resin, phenol resin, epoxy resin, melamine resin, urea resin, unsaturated polyester resin, alkyd resin, polyimide resin, and silicone resin. 
     
     
         3 . The infrared absorbing fiber according to  claim 2 ,
 wherein the coating resin is a photocurable resin, and   wherein the photocurable resin includes a resin to be cured by irradiation of any one of ultraviolet light, visible light, or infrared light.   
     
     
         4 . The infrared absorbing fiber according to  claim 1 ,
 wherein the infrared absorbing particles include one or more oxides selected from a tungsten oxide represented by a general formula WyOz where W is tungsten and O is oxygen and z/y is 2.2 or more and 2.999 or less and a composite tungsten oxide represented by a general formula MxWyOz where an element M is one or more elements selected from H, He, an alkali metal, an alkaline earth metal, a rare earth element, Mg, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Al, Ga, In, TI, Si, Ge, Sn, Pb, Sb, B, F, P, S, Se, Br, Te, Ti, Nb, V, Mo, Ta, Re, Be, Hf, Os, Bi, and I, x/y is 0.001 or more and I or less, and z/y is 2.0 or more and 3.0 or less.   
     
     
         5 . The infrared absorbing fiber according to  claim 1 , wherein the fiber includes one or more fibers selected from a synthetic fiber, a semisynthetic fiber, a natural fiber, a reclaimed fiber, and an inorganic fiber. 
     
     
         6 . The infrared absorbing fiber according to  claim 5 , wherein the synthetic fiber includes one or more fibers selected from a polyurethane fiber, a polyamide fiber, an acrylic fiber, a polyester fiber, a polyolefin fiber, a polyvinyl alcohol fiber, a polyvinylidene chloride fiber, a polyvinyl chloride fiber, and a polyether ester fiber. 
     
     
         7 . The infrared absorbing fiber according to  claim 5 , wherein the semisynthetic fiber includes one or more types selected from a cellulose fiber, a protein fiber, chlorinated rubber, and hydrochlorinated rubber. 
     
     
         8 . The infrared absorbing fiber according to  claim 5 , wherein the natural fiber includes one or more fibers selected from a vegetable fiber, an animal fiber, and a mineral fiber. 
     
     
         9 . The infrared absorbing fiber according to  claim 5 , wherein the reclaimed fiber includes one or more fibers selected from a cellulose fiber, a protein fiber, an algin fiber, a rubber fiber, a chitin fiber, and a mannan fiber. 
     
     
         10 . The infrared absorbing fiber according to  claim 5 , wherein the inorganic fiber includes one or more fibers selected from a metal fiber, a carbon fiber, and a silicate fiber. 
     
     
         11 . A fiber product comprising the infrared absorbing fiber of  claim 1 .