Solar infra red reflective paints

摘要

An IR-reflective architectural paint composition comprising
i. red iron oxide pigment
ii. phthalocyanine blue pigment
iii. titanium dioxide and optionally yellow iron oxide
wherein the composition is free of IR-absorptive black pigments, IR-transparent black pigments and IR-reflective black pigments, has a lightness value, L*, when dry, of from 38 to 88 and the weight ratio of of i:ii is from 3:1 to 15:1,