COMPOSITION FOR PRODUCING HEAT-PROTECTIVE COATING AND HEAT-PROTECTIVE COATING Russian patent published in 2014 - IPC B32B18/00 C09D5/18 C09D1/00 C04B28/34 

FIELD: chemistry.

SUBSTANCE: composition includes hollow aluminosilicate or corundum microspheres, binder in the form of aluminophosphate with free aluminium oxide content of less than 4 wt %, and water with the following ratio of components, wt %: aluminosilicate or corundum microspheres - 45-65, aluminophosphate - 35-55, water - the balance. The microspheres used have internal diameter of 6-250 mcm and wall thickness of 1-10 mcm. The invention also relates to a heat-protective coating which consists of at least two layers on a base, the first of which is the undercoat, and the second layer is made of said composition, wherein the composition for the first layer further includes C45-C60 fullerenes in amount of 0.001-0.002 wt %.

EFFECT: obtaining a durable coating with high operating temperature.

9 cl, 3 tbl, 6 ex