Ultraviolet-resistant polymer composite waterproof coating

Abstract

The invention discloses an ultraviolet-resistant polymer composite waterproof coating. The ultraviolet-resistant polymer composite waterproof coating is prepared from the following components in partsby weight: 5 to 10 parts of ethylene glycol, 5 to 8 parts of amyl acetate, 5 to 15 parts of acrylic emulsion, 10 to 25 parts of polyurethane modified acrylate waterproof emulsion, 1 to 5 parts of organosilicone waterproof agent, 0.5 to 3 parts of silicon dioxide, 20 to 40 parts of pigment filler, 0 to 0.5 part of sterilizing preservative, 0 to 1 part of anti-aging agent, 0.2 to 0.8 part of dispersant, 0.4 to 1 part of defoaming agent, 0.5 to 2 parts of filming additive, 0.6 to 3 parts of hydroxyethyl cellulose, 0.3 to 1 part of ammonium metavanadate, and 10 to 30 parts of water. The ultraviolet-resistant polymer composite waterproof coating has the advantages that the elasticity is high, and the waterproof property is better; the poison and odor are avoided, and the safe and environment-friendly effects are realized; the water-resistant property, alkaline-resistant property and anti-ultraviolet ability are strong, the elongation rate at break and the tensile strength are higher, and the automatic repairing function is realized.

Description

technical field [0001] The invention belongs to the field of building materials, and more specifically relates to an ultraviolet-resistant polymer composite waterproof coating. Background technique [0002] There are two types of waterproof materials on the market: one is polyurethane waterproof coatings. Such materials are generally made of polyurethane and coal tar as raw materials. The tar gas it volatilizes is highly toxic and not easy to remove, so it was banned in China in 2000. The polyurethane waterproof coating that is still on sale uses asphalt instead of coal tar as a raw material. However, when using this kind of coating, it is generally diluted with organic solvents such as toluene and xylene, so it also contains toxicity; the other type is polymer cement-based waterproof coating. It is composed of a variety of water-based polymer emulsions and high-quality cement mixed with various additives. The flexibility of the polymer (resin) and the rigidity of the cem...

AI Technical Summary

Problems solved by technology

The first type of solvent-based coatings: there are many types of such coatings and the quality is good, but the cost is high, the safety is poor, and the use is not very common

The second type is water-emulsion type and reactive polymer coatings: it is difficult to uniformly disperse various reinforcing agents, fillers, and polymer elastomers in the colloid for this type of coating, and can only be added by grinding. A small amount of compounding agent, reactive polyurethane is two-component, easy to deteriorate, high cost

The third type of plastic modified asphalt: this type of product can resist ultraviolet rays and high temperature resistance, but the fracture elongation is slightly poor