Waterborne bi-component antibacterial and antifouling epoxy sealant and preparation method thereof

Abstract

The invention discloses a waterborne bi-component antibacterial and antifouling epoxy sealant and a preparation method thereof. The epoxy sealant is prepared from a component A and a component B according to the mass ratio of 1 to (0.8 to 1.2), wherein the component A is prepared from the following raw materials in parts by mass: 100 to 150 parts of epoxy resin emulsion, 5 to 20 parts of pigment,1 to 5 parts of thixotropic agent, 0.1 to 0.5 part of defoaming agent and 0.1 to 0.5 part of leveling agent; the component B is prepared from the following raw materials in parts by mass: 15 to 25 parts of epoxy resin, 10 to 20 parts of polyether amine, 15 to 40 parts of amine compounds, 10 to 20 parts of antibacterial antifouling additive, 1 to 5 parts of thixotropic agent and 60 to 100 parts ofwater. The preparation method is simple, materials are mixed first to obtain the component A and the component B, and when used, the component A and the component B are mixed uniformly. The epoxy sealant disclosed by the invention has the advantages of high strength, low shrinkage, strong adhesiveness, high brightness, attractive appearance, long lasting time, good antibacterial and antifungal effect, good hydrophobic and antifouling effect, easy cleaning, low VOC content and safety and environmental protection.

Description

technical field [0001] The invention relates to a water-based two-component antibacterial and antifouling epoxy joint beautifying agent and a preparation method thereof. Background technique [0002] White cement is used to fill the gaps of ceramic tiles to achieve waterproof, beautiful and anti-fouling purposes. This is the most commonly used method at present. However, the surface of white cement sealant is rough, and it will become dull with the prolongation of use time, and it is easy to mildew and blacken, and it is difficult to clean, which seriously affects the aesthetic effect of decoration. In recent years, a new type of caulking material—beautiful caulking agent has appeared on the market. In addition to its caulking effect, it also has the advantages of waterproof and mildew resistance, easy cleaning, no blackening, and high gloss. It is becoming more and more popular. . [0003] At present, the beautifying agents on the market mainly include one-component beaut...

AI Technical Summary

Problems solved by technology

However, the existing two-component oil-based beautifying agent also has the following shortcomings and deficiencies: 1) the two-component oil-based beautifying agent contains volatile organic compounds (VOC), which not only pollutes the environment, but also damages human health; 2) Masking paper needs to be pasted before construction to prevent the tiles from being polluted and difficult to clean, and the construction process is cumbersome; 3) The commercially available two-component oil-based beautifying agent cannot maintain the appearance for a long time, and it is easy to breed bacteria and mildew in a humid environment Black, difficult to clean, affecting the overall aesthetic effect

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