Paint composition including nano-ceramic and polymer resin against neutralization and salt damage of concrete and method for waterproof and anticorrosion using the same

A polymer paint composition for waterproof and anticorrosion of concrete, comprising:

• (A) a main component consisting of:
• 100 parts by weight of bisphenol A-type epoxy resin;
• 20.3-37.6 parts by weight of acrylate resin;
• 7.4-13.7 parts by weight of epoxy reactive diluent;
• 9.2-17.1 parts by weight of silicon carbide;
• 9.2-17.1 parts by weight of alumina;
• 9.2-17.1 parts by weight of silica;
• 11.1-20.5 parts by weight of ZnO;
• 16.6-30.8 parts by weight of TiO2;
• 12.9-23.9 parts by weight of CaCO3;
• 14.7-27.4 parts by weight of inorganic pigment;
• 0.7-1.4 parts by weight of hydrophilic silica powder;
• 0.7-1.4 parts by weight of lipophilic clay powder;
• 0.2-0.3 parts by weight of epoxy-based silane coupling agent;
• 0.4-0.7 parts by weight of anti-foaming agent;
• 0.7-1.4 parts by weight of dispersing agent;
• 0.4-0.7 parts by weight of ultraviolet stabilizer;
• and
• 0.6-1.0 parts by weight of ultraviolet blocking agent;
• and
• (B) a hardener consisting of:
• 100 parts by weight of modified alicyclic amine;
• 15.0-27.9 parts by weight of non-yellowing polyisocyanate hardener;
• 16.3-30.2 parts by weight of silica;
• 20.0-37.1 parts by weight of CaCO3;
• 1.3-2.3 parts by weight of hydrophilic silica powder;
• 0.5-0.9 parts by weight of lipophilic clay powder;
• 0.8-1.4 parts by weight of anti-foaming agent;
• and
• 1.3-2.3 parts by weight of dispersing agent;
• characterized in that the weight ratio between the main component and the hardener is 1:1-5:1.