发明公开了一种双重响应的防腐填料及其制备方法和应用，该双重响应防腐填料能同时具有光热响应与pH响应，具有操作简单，灵敏度高、响应时间短等优点，双重响应的防腐填料是通过将氧化石墨烯粉体（GO）进行强碱还原得到还原氧化石墨烯（rGO），再与正硅酸四乙酯（TEOS）进行接枝反应，制备具有介孔的纳米核芯材料rGO‑SIO2），再对缓蚀剂进行低压负载，然后用具有pH敏感性的聚甲基丙烯酸二乙氨基乙酯（PDEAM）作为包覆膜材料，制备双重响应的防腐填料。

The invention discloses a dual responsive anti-corrosion filler and its preparation method and application. The dual responsive anti-corrosion filler can have both photothermal response and pH response, and has the advantages of simple operation, high sensitivity, and short response time. The dual responsive anti-corrosion filler is obtained by reducing graphene oxide powder (GO) with strong alkali to obtain reduced graphene oxide (rGO), which is then grafted with tetraethyl orthosilicate (TEOS), Preparation of mesoporous nano core material rGO-SiO2, followed by low-pressure loading of the corrosion inhibitor, and then using pH sensitive poly (diethylaminoethyl methacrylate) (PDEAM) as the coating material to prepare a dual responsive anti-corrosion filler.