▎ 摘　　要

NOVELTY - Preparing aminated elastic silicon-based composite aerogel involves using aminosiloxane, alkylsiloxane or graphene oxide as raw materials, performing sol-gel one-pot synthesis, curing, freezing and drying obtained material to obtain desired product. USE - Method for preparing aminated elastic silicon-based composite aerogel. ADVANTAGE - The method enables to prepare aminated elastic silicon-based composite aerogel under mild reaction conditions without catalyst and the product has strong metal ion chelating ability and good carbon dioxide adsorption capacity to reduce greenhouse gas emission.