Coating material for surface coating of waterproof membrane and preparation method thereof

Abstract

The invention relates to a coating material for the surface coating of a waterproof membrane and a preparation method thereof. The coating material is prepared by the following method of: mixing and synthesizing a raw material consisting of a component A, a component B, a component C and a component D to obtain a polymer emulsion, wherein the component A comprises 90.0-130.0 weight portions of deionized water; the component B comprises 9.0-22.0 weight portions of deionized water, 0.5-1.5 weight portions of sulfate and 0.1-1.0 weight portion of polymerizing agent; the component C comprises 98.0-128.5 weight portions of deionized water, 0.2-5.0 weight portions of sulfate, and 2.5-4.5 weight portions of polymerizing agent; the component D comprises 150.0-260.0 weight portions of acrylic acid ester, 3.0-10.0 weight portions of methacrylic acid, 5.0-20.0 weight portions of organic fluorine and 5.0-20.0 weight portions of organosilicon; filling a filling material, a nano-material and an additive in the polymer emulsion and carrying out uniform dispersion simultaneously; adjusting the pH value to 8-9 by an ammonia; adding a thickener subsequently and filtering the solution, thus obtaining the colorful nano-fluorine silicone-acrylate coating materials. The coating materials are uniformly coated on the surface of the waterproof membrane, and the solidified and bonded colorful nano-fluorine silicone-acrylate coating has high tensile strength, large fracture elongation, good weathering resistance and low-temperature resistance, excellent heat resistance and stability and various color types.

Description

technical field [0001] The invention relates to a building waterproof material, in particular to a colored viscous liquid coating material which is multi-layered on the surface of a waterproof coiled material, which is made of fluorosilicone-acrylic multi-component polymer emulsion as a base material and modified with composite nanomaterials. its preparation method. Background technique [0002] For many years, the waterproofing of buildings has been an important content in architectural design and construction engineering. The quality of building waterproofing directly affects the life of buildings, which is related to the century-old plan. However, so far, the main varieties of waterproof materials are still various waterproof rolls, which occupy a dominant position in the field of waterproofing, and the main raw materials used in the production of waterproof rolls are brownish black residues produced in petroleum refining. , known as petroleum asphalt. The petroleum asp...

AI Technical Summary

Problems solved by technology

Therefore, it is usually only used for foundation waterproofing in the deep underground of buildings. If it is to be used on roofs or other waterproof projects exposed to the outside, only a layer of aluminum-coated plastic film or a layer of natural colored sand is added to the surface. Or make a protective layer of cement mortar during construction and application to block the sun's ultraviolet radiation and cover the black landscape of asphalt materials. The disadvantages of this are: 1. Due to the poor weather resistance of the aluminized plastic film, the service life is short

Therefore, it also cannot solve the aging problem of being eroded by the sun's strong ultraviolet radiation and harmful gases in the air for a long time; 2. Making a cement mortar protective layer will increase the construction process, labor intensity and material cost; 3. Natural colored sand after spreading The gaps between the particles cannot completely block the sun's ultraviolet radiation and the erosion of other harmful gases; 4. Whether it is a composite aluminized film, a layer of natural colored sand or a protective layer of cement mortar, there is a single color and a sense of corrosion. 5. The cement mortar protective layer will also increase the weight of the building, and cracking, drumming and falling off will also occur after a period of use, which will affect the function of protecting the waterproof membrane layer; 6. The cured cement mortar is in a rigid state. When the building base cracks or shifts, it cannot extend with the waterproof membrane, and it will also cause cracking and separation and loss of protection.