Title:
INFRARED SHIELDING FIBER STRUCTURE AND CLOTHING EMPLOYING SAME
Document Type and Number:
WIPO Patent Application WO/2024/080084
Kind Code:
A1
Abstract:
The problem to be solved by the present invention is to provide: an infrared shielding fiber structure capable of preventing discoloration of a knitted fabric over time without causing deterioration of an infrared-covert-photography prevention function over time; and clothing employing the same. An infrared shielding fiber structure according to the present invention is formed by processing infrared shielding fibers containing, on a surface and/or in the interior thereof, infrared shielding microparticles selected from tungsten oxide microparticles represented by general formula WOX (where W is tungsten, O is oxygen, and 2.45 ≤ X ≤ 2.999) and composite tungsten oxide microparticles represented by general formula MYWOZ (where element M is an element selected from Cs, Rb, K, Tl, In, etc., 0.001 ≤ Y ≤ 1.0, and 2.2 ≤ Z ≤ 3.0), the infrared shielding fiber structure being characterized in that the particle size of the microparticles is 1 nm to 800 nm and the microparticle content per unit area of the structure is 0.10 g/m2 to 4.5 g/m2, and, because the average reflectance of the structure becomes 65% or lower at wavelengths of 800 nm to 1300 nm, it is possible to maintain the infrared-covert-photography prevention function for an extended period of time.
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Inventors:
OKADA MIKA (JP)
Application Number:
PCT/JP2023/033840
Publication Date:
April 18, 2024
Filing Date:
September 19, 2023
Export Citation:
Assignee:
SUMITOMO METAL MINING CO LTD (JP)
International Classes:
D01F1/10; D03D15/20; D04B1/14; D04B21/00; D06M11/48
Attorney, Agent or Firm:
UEDA Shozo et al. (JP)
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