Heat-shielding coating and preparation method thereof

The invention discloses a heat-shielding coating and a preparation method thereof. The heat-shielding coating contains the following raw materials: a main film-forming substance, a reflecting functional material, coloring functional pigment, a heat-insulating functional material, an ultraviolet-resistant functional material, a diluent, a defoaming agent, a leveling agent, a curing agent, a low-temperature toughening agent and skidding-resistant particles. The heat-shielding coating disclosed by the invention has good heat-shielding effect, can inhibit heat transfer into pavements effectively,relieves the problem of thawing of frozen soil in Qinghai-Tibet regions, is applied to asphalt road surfaces in the Qinghai-Tibet regions, and has good ultraviolet resistance, low-temperature crackingresistance and skidding resistance. 本发明公开了种遮热涂层及其制备方法。该遮热涂层的原料组分包括：主要成膜物质、反射功能材料、调色功能颜料、隔热功能材料、抗紫外线功能材料、稀释剂、消泡剂、流平剂、固化剂、低温增韧剂与抗滑颗粒。本发明的遮热涂层具有良好的遮热效果，能够有效抑制热量向路面内部传递，缓解青藏地区冻土融化问题，本发明的遮热涂层应用于青藏地区地区沥青路表，具有良好的抗紫外线性能、低温抗裂性能与抗滑性能。