The results show that the thermal decomposition of xerogel includes three stages,which are volatilization of adsorption water and organic composition,oxygenolysis of n-butyl and acetate,and transformation of crystalline phase.

• 结果表明:干凝胶热分解分为3个阶段:干凝胶的吸附水和有机成分挥发、正丁基和醋酸根发生的氧化分解和晶相的转变.