To provide a material having sufficient infrared reflective power, and excellent in thermal stability and heat resistance without raising concerns on safety and environmental issues.
An infrared reflective material is a perovskite-type compound oxide containing at the least an alkaline earth metal element, at least one element selected from among titanium, zirconium and niobium and, if necessary, containing elements or an element of manganese and/or iron, a group IIIa element such as aluminum and gallium in the periodic table or zinc element, etc. The infrared reflective material can be produced by a method of mixing an alkaline earth metal compound, a titanium compound and, if necessary, a manganese compound and/or an iron compound, a compound of the group IIIa in the periodic table or a zinc compound in predetermined amounts, and firing the obtained mixture. Since the obtained compound oxide is powdery, the compound oxide is mixed with paint or a resin composition so as to be used for various applications, for example, for painting a roof or an outside wall of a building, or painting a road or a sidewalk to alleviate the heat island phenomenon.
SANETO NORIHIKO
OTA EMI
| JPH1192144A | 1999-04-06 |
Next Patent: EGR-EQUIPPED DIESEL ENGINES AND LUBRICATING OIL COMPOSITIONS