become an outstanding strategy to fabricate superhydrophobic coatings.Generally, polymer/inorganic superhydrophobic composite coatings are prepared by incorporating modified inorganic nanofillers into polymer resin. Inorganic nanofillers modification is a good way for evenly dispersing inorganic-organic phase due to the improved interfacial compatibility. As it has been demonstrated that surface chemical composition and surface topography act synergistically to construct superhydrophobic surface. [13] The inorganic nanofillers used here are normally modified with hydrophobization reagents, which will promote the superhydrophobicity on the coating surface. Recent progress has developed a myriad of hydrophobic inorganic nanomaterials, for example, fluorinated multiwalled carbon nanotubes, [14] oligodimethylsiloxane modified fumed silica nano particles, [15] and fluorinated silica nanoparticles. [16] Poly mer/inorganic superhydrophobic coatings possessing excellent water-repellent properties could be obtained after the hydrophobic inorganic nanofillers being introduced into poly mer resin. However, to dissolve the polymer resin and disperse hydrophobic inorganic nanofillers evenly, VOCs such as acetone, tetrahydrofuran, and toluene were required to prepare the dispersion, which would lead to severe environment problems. Thus, these drawbacks remarkably hold up the practical applications of the superhydrophobic composite coatings.In recent decades, water-based coatings have been more and more popular in coatings industry due to the environmental pollution, resource waste, and high costs of solvent-based coatings. [17] And commercial water-based emulsion latex could be widely accessed in preparing water-based coatings nowadays. However, low surface energy materials especially hydrophobic modified inorganic materials are difficult to disperse in water, thus only limited studies of water-based superhydrophobic coating systems have been reported. [18] For instance, Zhou et al. reported using a stable dispersion of polytetrafluoroethylene (PTFE) nanoparticles, fluorinated alkylsilane and fluorocarbon surfactant to prepare superamphiphobic surface, in which the similar fluoroalkyl chain in abovementioned ingredients synergistically played an important role. [18a] The other methods mostly introduced hydrophilic nanofillers in water-based systems. For example, Schutzius et al. developed a superhydrophobic coating via polyolefin blend dispersion and exfoliated graphite nanoplatelets under alkaline conditions. [18b] MatesTo prepare water-based superhydrophobic coatings with excellent properties would be of great significance, but it remains difficult to solve the problems of uneven dispersion of hydrophobic modified inorganic nanofillers in water and poor interfacial compatibility between hydrophilic inorganic nanofillers and polymer matrix in the film. Herein a novel and green technology is reported to disperse dodecyltriethoxysilane in water-based polymer system uniformly by adsorbing it on the surface of emulsion latex part...