Research On The Solar Heat Reflective Coating Of Reflection Pavement

The solar energy is the essential condition that the mankind depends on for existence, but the strong heat emerging in radiation brings some inconvenience to people's life. The road will produce a series of disease because surface temperature is too high, such as the rut. This text regards reducing asphalt pavement surface temperature as the main purpose, make the solar heat reflection coating.The article is launched from the basic principle of conducting heat, carry on the analysis in theory to the mere hot environment on asphalt pavement surface, draw the thermal balance state equation on the asphalt pavement surface on this basis. And find in analysing various kinds of factors of influencing the asphalt pavement surface solar radiation play an essential role. So will achieve the goal of reducing temperature through improving the reflection rate of the road surface with the radiation rate soon. Introduce the operation principle of the solar heat reflection coating, propose the specification requirement for the materials of the coating, regard polyethylene resin as the film material, regard titanium dioxide as the filling material,carbon black as mixing colors, prepare the solar heat reflection coating. Draw through the test, the solar heat reflection coating really has obvious result of drop in the temperature, decreasing amplitude can reach as high as 12.5 degrees Centigrade.Through the method of Adding standard sand in the coating, improve resisting slippery performance of the solar heat reflection coating. And make the coating after improving resisting slippery performance has the test of decreasing temperature again, the result of the test shows, the effect of decreasing temperature has not been obviously influenced. In the corrosion-resistant test of the coating, main examining are water resistence and alkali resistence, found out by the result of the test, an intact, phenomenon not bubbling, changing color, coming off that the ones that the test piece surface of covered coating.Finally, do the preparation of the solar heat reflection coating and construction craft with the simple introduction.