The title protective coatings is prepared based on ethyl metasilicate and methyl trimethoxy silane as raw materials,which are then hydrolyzed in alcohols at the presence of acid catalyst.

• 以正硅酸乙酯和甲基三乙氧基硅烷为主要原料,在酸催化下,在醇溶液中经水解缩聚制备出石刻保护有机硅涂料。