Modified kaolin waterproof sealant and preparation method thereof

The invention discloses a modified kaolin waterproof sealant and a preparation method thereof. The modified kaolin waterproof sealant is prepared from the following raw materials in parts by weight: 22 to 36 parts of hydrophobic modified kaolin, 11 to 16 parts of bisphenol A epoxy resin, 8 to 13 parts of palmitic acid, 9 to 14 parts of EPA, 11 to 15 parts of lignoceric acid, 7 to 13 parts of silicone oil, 10 to 15 parts of glass fiber, 4 to 7 parts of porcelain powder, 5 to 9 parts of asbestos powder, 3 to 7 parts of quartz powder, 4 to 17 parts of mica powder, 1.5 to 5 parts of plasticizers,1 to 4 parts of curing agents, 1.2 to 3 parts of anti-freeze agents, 2 to 4.5 parts of antioxidants, 1 to 3 parts of coupling agents and 1.5 to 3 parts of accelerants. The modified kaolin waterproof sealant is prepared through the steps of pulping, crosslinking reaction, precipitation, vacuum reaction, stirring, cooling, packaging, sealing and the like. The modified kaolin waterproof sealant has the advantages that the su