The synthesis of hyperbranched polysiloxane-functionalized graphene oxide with excellent water lubrication performance

Water, esteemed for its sustainable and environmentally friendly lubricating qualities, faces constraints due to its limited load-bearing capacity and diminished lubrication performance, restricting its applications. This study endeavors to overcome these challenges by synthesizing a hyperbranched polysiloxane (HBPSi) and grafting it onto graphene oxide (GO) surfaces. The remarkable lubricating properties and hydrophilicity of HBPSi enable the stable dispersion of GO in water, thereby enhancing overall lubrication performance. This novel approach not only increases water's carrying capacity but also enhances its lubricating ability. Consequently, the resultant HBPSi-GO exhibits exemplary tribological properties. By elucidating this methodology, our research establishes a practical foundation for the development of high-performance water lubrication additives.