Black Pigment Composition For Heat-Shielding Coating, Heat-Shielding Coating Using Same And Use Of Same For Shading And Coating

Abstract

Provided are a black pigment composition for heat-shielding coatings which exhibits high infrared radiation transmittance, facilitates adjustment of hue when it is mixed with a chromatic coating and a white coating since it approximates the hue of carbon black pigment in the case of not only a dark color but a light color as well, and is also advantageous in terms of weather resistance and cost; a heat-shielding coating based on the same; and a shading method. The black pigment composition for heat-shielding coatings includes a phthalocyanine blue pigment as a first pigment, a phthalocyanine green pigment as a second pigment, and at least one other chromatic pigment, wherein, regarding the amounts in parts by weight of the phthalocyanine blue pigment as Mb, the phthalocyanine green pigment as Mg, and the total of the at least one other chromatic pigment as Mn, Mb+Mg+Mn=100 and 20<Mg+2.2 Mb<60 are established, based on 100 parts by weight of the pigment composition.

Dependencies are inferred from the claim text.