With the increase of energy consumption of human industry and daily activities,the global temperature rise and heat island phenomenon are becoming increasingly obvious,and cooling the human living environment has become an urgent challenge.Paint workers are also constantly working hard,on the basis of the development of heat reflective coatings and thermal insulation coatings,the cooling paints is made of specific raw materials.By using the principle of heat exchange with outer space,the cooling paints can produce higher thermal reflectivity by heat radiation through the space window.When the sun is shining,it can make the temperature of the base surface be lower than that of the surroundings.The principle,selection of raw materials,color problems,temperature respouse,dynamic regulation and the challenges were introduced.The research and development of the cooling paints should be promoted scientifically and rationally,so that it can play a role in the field of construction.
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