▎ 摘　　要

NOVELTY - Halogen-free flame retardant silane aqueous paint comprises 70-90 pts. wt. trifluoro octyl trimethoxy silane, 10-20 pts. wt. alumina oxide modified graphene oxide flame retardant, 10-20 pts. wt. emulsifier, 20-30 pts. wt. hydrotalcite, 1-10 pts. wt. coupling agent, 1-10 pts. wt. dispersant, 0.01-5 pts. wt. reinforcing agent, 0.1-5 pts. wt. inorganic pigment and 150-220 pts. wt. deionized water. The emulsifier comprises polyvinyl benzene sulfonic acid, polyvinyl benzene sulfonate, sodium lauryl sulfate, sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, cetyltrimethylammonium bromide and/or dioctyl sodium sulfosuccinate. The inorganic pigment comprises titanium dioxide, chrome yellow, iron blue, cadmium red, cadmium yellow, lithopone, carbon black, iron oxide red and/or iron oxide yellow. The coupling agent comprises silane coupling agent KH550, KH560, KH570, KH792, DL602 and/or DL171. USE - The halogen-free flame retardant silane aqueous paint is useful in building materials (claimed). ADVANTAGE - The halogen-free flame retardant silane aqueous paint has good elasticity, toughness, surface wear resistance, high-low temperature performance, water resistance, ultraviolet resistance, radiation resistance. DETAILED DESCRIPTION - Halogen-free flame retardant silane aqueous paint comprises 70-90 pts. wt. trifluoro octyl trimethoxy silane, 10-20 pts. wt. alumina oxide modified graphene oxide flame retardant, 10-20 pts. wt. emulsifier, 20-30 pts. wt. hydrotalcite, 1-10 pts. wt. coupling agent, 1-10 pts. wt. dispersant, 0.01-5 pts. wt. reinforcing agent, 0.1-5 pts. wt. inorganic pigment and 150-220 pts. wt. deionized water. The emulsifier comprises polyvinyl benzene sulfonic acid, polyvinyl benzene sulfonate, sodium lauryl sulfate, sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, cetyltrimethylammonium bromide and/or dioctyl sodium sulfosuccinate. The inorganic pigment comprises titanium dioxide, chrome yellow, iron blue, cadmium red, cadmium yellow, lithopone, carbon black, iron oxide red and/or iron oxide yellow. The coupling agent comprises silane coupling agent KH550, KH560, KH570, KH792, DL602 and/or DL171. The dispersant comprises liquid paraffin, microcrystalline paraffin, barium stearate, zinc stearate, calcium stearate, cadmium stearate, magnesium stearate, copper stearate, polyethylene glycol 200 and/or polyethylene glycol 400. The reinforcing agent comprises silicon carbide fiber, nano titanium carbide, ceramic powder, 3-chloro-2-hydroxypropyltrimethylammonium chloride, polyacrylamide, polyvinylamine, carboxymethylcellulose-polyvinyl alcohol, sodium polyacrylate, sodium caseinate, hydroxyapatite and/or sodium carboxymethylcellulose. An INDEPENDENT CLAIM is also included for preparing halogen-free flame retardant silane aqueous paint comprising: (i) adding tridecafluoro octyltrimethoxy silane into a reaction kettle, uniformly stirring, adding one half deionized water and emulsifier, ultrasounding for 30 minutes and stirring at room temperature for 4-6 hours to obtain emulsion-A; (ii) adding aluminum oxide modified graphene oxide flame retardant, hydrotalcite, coupling agent, dispersant, reinforcing agent and the remaining one half deionized water, heating at 30-50 degrees C water bath, stirring for 3-4 hours, cooling, discharging, adding inorganic pigments and uniformly mixing to obtain component-B; and (iii) mixing emulsion-A and component-B with an electronic stirrer.