Firstly, polyaniline (PANI) was used to improve dispersibility of graphene (Gr) in water through π-π interactions. Then, the obtained Gr/PANI products was further decorated with the epoxy based polyhedral oligomeric silsesquioxane (EPOSS) to enhance the hydrophobic properties of hybrid materials and compatibility with epoxy resins, thus leading to the increase of corrosion protection properties. From the wettability test results, the contact angle of the cross section of the composite coating reached up to 112.7 ° after grafting EPOSS, indicating that the hydrophobicity of the coating was improved significantly. Besides, the tensile strength of Gr/PANI@EPOSS/epoxy (0.7%) increased to 25.6 MPa, which proves the increase of interface force due to the introduction of epoxy group. The results of electrochemistry test illustrated that the impedance of Gr/PANI@EPOSS/epoxy (0.7%) is still as high as 2.79×10⁷ Ω cm² after 60 days of immersion, which is much higher than that of other samples.

首先，聚苯胺（PANI）用于通过π-π相互作用提高石墨烯（Gr）在水中的分散性。然后，将获得的Gr / PANI产品进一步用环氧多面体低聚倍半硅氧烷（EPOSS）装饰，以增强杂化材料的疏水性和与环氧树脂的相容性，从而提高了防腐性能。从润湿性测试结果来看，接枝EPOSS后复合涂层截面的接触角高达112.7°，表明涂层的疏水性得到了显着改善。此外，Gr / PANI @ EPOSS /环氧树脂的拉伸强度（0.7％）提高到25.6 MPa，这证明了由于引入环氧基团导致界面力的增加。⁷ Ω厘米² 60天之后浸渍，其比其它样品的高得多的。