Abstract: To solve the dispersion problem of graphene in coating，graphene oxide-coated hollow glass microspheres（GO-HGM）were prepared using hollow glass microspheres（HGM）and graphene oxide（GO）as the raw materials. Then，through thermal reduction，functionalized powders（RGO-HGM） with electrical conductivity were obtained. The structure and microscopic morphology of GO-HGM and RGO-HGM were analyzed by FT-IR，Raman，XPS and SEM. The results showed that GO was successfully coated onto the surface of HGM and thermally reduced to RGO-HGM，restoring a certain level of conductivity. Adding RGO-HGM to epoxy zinc rich coatings with a zinc content of 50% could effectively increase the activated zinc content，thereby improving the cathodic protection ability of the epoxy zinc rich coating.The best anti-corrosion effect was achieved when the addition amount was 6%. 

Key words: hollow glass microspheres, graphene, epoxy zinc rich coatings, anti-corrosion

摘要： 为解决石墨烯在涂层中的分散问题，先以空心玻璃微球（ HGM）和氧化石墨烯（ GO）为原料，制备了氧化石墨烯包覆空心玻璃微球（ GO-HGM）经热还原得到具有导电能力的还原氧化石墨烯（ RGO）包覆空心玻璃微球的功能化粉体（ RGO-HGM），并将其应用到水性环氧富锌涂料中。用红外光谱仪（ FT-IR）、拉曼光谱仪（ Raman）、 X射线光电子能谱，仪（ XPS）、扫描电镜（ SEM）分析 GO-HGM和 RGO-HGM的结构和微观形貌，并通过电化学研究了涂层的防腐性能和防腐机理。结果表明： GO成功包覆到 HGM表面上，且被热还原为 RGO-HGM，并恢复一定的导电性。在含锌量 50%的环氧富锌涂料中添加 RGO-HGM，能有效提高活化锌含量，来提高环氧富锌涂层的阴极保护能力，且添加量为 6%时，防腐效果最佳。

关键词: 空心玻璃微球, 石墨烯, 水性环氧富锌涂料, 防腐

CLC Number: 

• TQ635. 2