The application belongs to the technical field of
fine chemical industry, and particularly relates to a cationic
microemulsion water-repellent quick-
drying agent and a preparation method and application thereof. The cationic
microemulsion water-repellent quick-
drying agent is prepared by using Arquad 2C-75 (dicoconut
alkyl dimethyl
ammonium chloride) as a core cationic component, compounding refined
white oil, matching a surfactant, a
coupling agent and deionized water to construct a
microemulsion system, mixing an
oil phase, preparing a water phase, primary emulsifying, high-pressure homogenizing and post-treating. The product prepared by the application has a
contact angle greater than 110 degrees, a sliding time shortened by more than 31.4%, is stable without
precipitation in the range of-10 DEG C to 50 DEG C, has a
viscosity less than 100 cP and can be dissolved and used immediately, is compatible with an anion
system, has no
ethanol /
toluene solvent, VOCs detection meets the
limit value of GB38508-2020, and has excellent performance in water-repellent quick-
drying on the surface of an automobile and a wide application range.