| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat ray shielding film having high transmittance and low reflectance for light in a visible ray region and low transmittance and high reflectance for light in a near infrared region, in which the conductivity of the film can be controlled almost to >10<6>Ω/sq., and to provide a coating liquid which can be easily applied to form the film above described. SOLUTION: The coating liquid for a heat ray shielding film has dispersion of at least one kind of titanium nitride fine particles, zirconium nitride fine particles, hafnium nitride fine particles, vanadium nitride fine particles, niobium nitride fine particles and tantalum nitride fine particles having <100 nm average particle size. Further, the coating liquid contains at least one kind of ruthenium oxide fine particles and iridium oxide fine particles having <=100 nm average particle size. The heat ray shielding film is obtd. by applying the coating liquid above described on a base body and heating.
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