INFRARED ABSORPTION FINE PARTICLE, INFRARED ABSORPTION FINE PARTICLE DISPERSION, INFRARED ABSORPTION FINE PARTICLE DISPERSION BODY USING THE SAME, INFRARED ABSORPTION LAMINATED TRANSPARENT SUBSTRATE, INFRARED ABSORPTION FILM AND INFRARED ABSORPTION GLASS

摘要

PROBLEM TO BE SOLVED: To provide an infrared absorption fine particle which is an inorganic compound excellent in weather resistance and absorbs near infrared light with wavelength of 700 to 900 nm and others.;SOLUTION: There is provided an infrared absorption fine particle which is a metal hexaboride fine particle and has a value of aspect ratio [(long axis length)/(short axis length)] with considering rotary elliptic body as a shape of the fie particle of 1.0 to 1.5, X-ray diffraction peak strength ratio defied in the formula 1 (I) of 45% to 75%, I=[metal hexaboride fine particle (100) face/metal hexaboride fine particle (110) face]×100% Formula 1, near infrared light absorption peak position is in a range of wavelength of 700 to 900 nm and a value of a ratio of absorbance of light with wavelength of 550nm to absorbance of light at the near infrared light absorption peak position [(absorbance of light at the absorption peak position)/(absorbance of light at wavelength of 550nm)] of 5.0 to 20.0.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2016,JPO&INPIT