采用底漆-中间涂层-面漆的涂层制备工艺,以纯丙乳液作为成膜物质,以碳酸钙作为底漆填料,空心玻璃微珠作为中间涂层填料,TiO₂和空心玻璃微珠复合物作为面漆填料制备了新型反光保温隔热涂层,并分别考察了TiO₂和空心玻璃微珠作为单一功能填料以及涂层厚度对反光保温隔热性能的影响。结果表明,当涂层厚度为180μm时,TiO₂/空心玻璃微珠复合涂层表面漫反射效果明显优于单一功能填料的涂层,其最高隔热温差可达12.3℃,隔热效率达95.2%。

The preparing process of composite coating was studied with primer-intermediate-top steps,calcium carbonate (CaCO₃) was used as the filler of primer,the hollow glass microspheres (HGMs) used as the filler in the middle coating,and the titanium dioxide(TiO₂) and hollow glass microsphere (HGMs) compound was used as the filler to prepare a new type of reflective thermal insulation coating.The effects of titanium dioxide and hollow glass micorspheres as single functional filler and the thickness of coating on the thermal insulation performance were investigated respectively.The results showed that when the thickness of coating was 180μm,the diffuse reflection effect of composite coating was obviously better than that of single functional filler.The maximum thermal insulation temperature difference can reach 12.3℃ and the heat insulation efficiency was 95.2%.