▎ 摘　　要

NOVELTY - Coating composition comprises 50-70 wt.% ceramic sol; 1-5 wt.% titanium dioxide/reduced graphene oxide composite nanoparticles; 1-10 wt.% surface-modified hydroxy apatite; 5-10 wt.% aluminum oxide coated with ocher; 1-5 wt.% silicate silver nanosol; 10-20 wt.% MXene; and 1-10 wt.% curing accelerator containing tertiary amines including benzyldimethylamine, 2-2-(dimethylaminomethyl)phenol, 2,4,6-tris(diaminomethyl)phenol and/or tri-2-ethylhexyl acid, organometallic compounds including chromium acetylacetonate, zinc acetylacetonate and/or nickel acetylacetonate, organophosphorus compounds including tris-4-methoxyphosphine, tetrabutylphosphonium bromide, butyltriphenylphosphonium bromide, triphenylphosphine, triphenylphosphine triphenylborane and/or triphenylphosphine-1,4-benzoquinone adducts, imidazole compound including 2-methylimidazole, 2-aminoimidazole, 2-methyl-1-vinylimidazole, 2-ethyl-4-methylimidazole, 2-heptadecylimidazole and/or 2-phenylimidazole, or boron compound. USE - The composition is useful for surface repair and reinforcement method of concrete structure (claimed). ADVANTAGE - The composition does not require separate high temperature treatment, exhibits excellent adhesion to the surface of concrete, stain resistance, abrasion resistance, non-combustibility, waterproofness, corrosion resistance, chemical resistance, ozone resistance, UV resistance, illumination improvement and durability, improves effect of extending the service life of the structure and reducing maintenance costs, improves durability by blocking corrosion and other deterioration factors of concrete structures, protects various structures in case of fire, can express the function of heat resistance and anti-rust coating material together, can repair and reinforce the surface of concrete structures in safe and environmentally friendly way because there is no elution of harmful heavy metals, and is room temperature curing type composition. DETAILED DESCRIPTION - Coating composition comprises 50-70 wt.% ceramic sol; 1-5 wt.% titanium dioxide/reduced graphene oxide composite nanoparticles; 1-10 wt.% surface-modified hydroxy apatite; 5-10 wt.% aluminum oxide coated with ocher; 1-5 wt.% silicate silver nanosol; 10-20 wt.% MXene; and 1-10 wt.% curing accelerator containing tertiary amines including benzyldimethylamine, 2-2-(dimethylaminomethyl)phenol, 2,4,6-tris(diaminomethyl)phenol and/or tri-2-ethylhexyl acid, organometallic compounds including chromium acetylacetonate, zinc acetylacetonate and/or nickel acetylacetonate, organophosphorus compounds including tris-4-methoxyphosphine, tetrabutylphosphonium bromide, butyltriphenylphosphonium bromide, triphenylphosphine, triphenylphosphine triphenylborane and/or triphenylphosphine-1,4-benzoquinone adducts, imidazole compound including 2-methylimidazole, 2-aminoimidazole, 2-methyl-1-vinylimidazole, 2-ethyl-4-methylimidazole, 2-heptadecylimidazole and/or 2-phenylimidazole, or boron compound including trifluoroborane-n-hexylamine, trifluoroboranemonoethylamine, tetrafluoroboranetriethylamine, and tetrafluoroboraneamine. An INDEPENDENT CLAIM is also included for surface repair and reinforcement method of concrete structure, comprising (a) arranging the base surface of the construction target surface, (b) placing cement mortar and curing to repair and reinforce, and (c) applying and curing the coating material composition for surface. DESCRIPTION OF DRAWING(S) - The drawing shows a flowchart illustrating the method for surface repair and reinforcement method of a concrete structure using coating composition (Drawing includes non-English language text).