Thermal insulation coating as well as preparation method and application thereof

The invention provides a thermal insulation coating which is prepared from the following raw materials in parts by weight: 5 to 30 parts of base material, 1 to 6 parts of alkali activator, 0.5 to 5 parts of thermal insulation material, 4 to 12 parts of water and 0.02 to 4 parts of auxiliary agent, wherein the base material comprises aluminosilicate; and the thermal insulation material is aerogel. The heat-preservation and heat-insulation coating has relatively high heat-preservation and heat-insulation performance, compressive strength and high-temperature resistance. Furthermore, the thermal insulation coating disclosed by the invention is economical and environment-friendly, the required preparation process is simple, and the thermal insulation coating is suitable for industrial large-scale production. 本发明提供了一种保温隔热涂料，以重量份数计，所述保温隔热涂料包括如下原料：5份～30份的基料、1份～6份的碱激发剂、0.5份～5份的保温材料、4份～12份的水，以及0.02份～4份的助剂；其中，所述基料包含硅铝酸盐；所述保温材料为气凝胶。该保温隔热涂料具有较强的保温隔热性、抗压强度与耐高温性。进一步地，本发明所述的保温隔热涂料经济环保，所需制备工艺简单，适合工业化大规模生产。