▎ 摘　　要

NOVELTY - Aqueous waterproof composite paint comprises sealing primer composed of deionized water, antifoaming agent, powder wetting agent, nano graphene modified ferroferric oxide hollow microsphere, nano titanium pigment, aqueous permeable emulsion, aqueous anti-water emulsion, film-forming auxiliary agent, base material wetting agent, thickening agent and adhesion promoter, the waterproof paint composed of deionized water, dispersant, antifoaming agent, powder wetting agent, pigment, aqueous highgloss emulsion, aqueous elastic emulsion, aqueous anti-water emulsion, film-forming auxiliary agent, base material wetting agent, thickening agent and adhesion promoter. USE - The aqueous waterproof paint is useful for industrial factory building color plate, renovating the industrial factory building color plate (claimed). ADVANTAGE - The aqueous waterproof paint: has synergistic effect, improves the adhesion of waterproof layer on the surface of the new color steel plate and increases the service life of the waterproof layer. DETAILED DESCRIPTION - Aqueous waterproof composite paint comprises sealing primer and waterproof paint, the sealing primer is composed of 41-46 pts. wt. deionized water, 0.09-0.3 pts. wt. antifoaming agent, 0.1-1.1 pts. wt. powder wetting agent, 0.5-1.5 pts. wt. nano graphene modified ferroferric oxide hollow microsphere, 0.01-0.1 pts. wt. nano titanium pigment, 31-44 pts. wt. aqueous permeable emulsion, 5-16 pts. wt. aqueous anti-water emulsion, 3.1-3.5 pts. wt. film-forming auxiliary agent, 1-2 pts. wt. base material wetting agent, 0.5-2 pts. wt. thickening agent and 0.2-1 pts. wt. adhesion promoter, the waterproof paint is composed of 17-23 pts. wt. deionized water, 1-1.4 pts. wt. dispersant, 0.3-1 pts. wt. antifoaming agent, 0.2-1.2 pts. wt. powder wetting agent, 4-6 pts. wt. pigment, 27-34 pts. wt. aqueous highgloss emulsion, 22-26 pts. wt. aqueous elastic emulsion, 11-15 pts. wt. aqueous anti-water emulsion, 2.8-3.3 pts. wt. film-forming auxiliary agent, 0.2-0.9 pts. wt. base material wetting agent, 0.8-1.3 pts. wt. thickening agent and 0.1-0.5 pts. wt. adhesion promoter. INDEPENDENT CLAIMS are also included for: (1) preparing aqueous waterproof composite paint comprising preparing sealing primer by adding de-foaming agent in de-ionized water, powder wetting agent, stirring and mixing uniformly, adding nano graphene modified ferroferric oxide hollow microsphere, nanometre titanium dioxide, continuously stirring and mixing uniformly to obtain the premix a, grinding the premix a to obtain slurry a, mixing the aqueous permeable emulsion, aqueous anti-water emulsion, and mixing uniformly, adding auxiliary agent, stirring and mixing uniformly to obtain the base material a, adding slurry a, base material wetting agent, thickening agent, adhesion promoter in the base material a, stirring and mixing uniformly to obtain the sealing primer, the waterproof paint is prepared by adding dispersing agent, antifoaming agent, powder wetting agent in the de-ionized water, stirring and mixing uniformly, then adding pigment, continuously stirring and mixing uniformly to obtain the premix b, grinding the premix b, obtaining slurry b, mixing the aqueous high-gloss emulsion, aqueous elastic emulsion, aqueous anti-water emulsion, and uniformly mixing, then adding auxiliary agent, stirring and mixing uniformly to obtain the base material b, adding slurry b in the base material b, base material wetting agent, thickening agent, adhesion promoter, stirring and mixing uniformly to obtain the waterproof paint; and (2) use method of aqueous-based waterproof paint comprising coating sealing primer on the surface of the polished and cleaned house color steel plate, and form the bottom layer, the thickness of the bottom layer is 10-20 mu m, coating the waterproof top coat on the surface of the bottom layer, and form a surface layer, the thickness of the surface layer is 30-40 mu m, the bottom layer and the surface layer integrally form a waterproof layer, and the thickness of the waterproof layer is 40-60 mu m.