Aqueous epoxy resin refers to a stable dispersion system in which an epoxy resin is dispersed in the form of fine particles or droplets in a dispersion medium having water as a continuous phase. Curing effect is an important indicator for measuring water-based system products. Have you noticed that the general parking lot below is flat and bright, bright and bright, and either pure green or gray? In fact, this kind of ground is not concrete or asphalt. They have a very chemical atmosphere. The name is called waterborne epoxy flooring. Why, then, under ground parking will this do? How do the rest of it? What are the advantages and disadvantages Waterborne Epoxy Floor materials it? Let me introduce the relevant knowledge under aqueous epoxy floor material in detail, I hope to help you!
Waterborne epoxy floor introduction
Water-based epoxy floor is generally suitable for the construction of the first floor of the waterproof layer or basement floor where construction odors are required. This floor is more environmentally friendly and uses water as a solvent. It has no pungent odor, and it can also prevent mold and bacteria. It is also non-flammable and non-explosive. It is very safe during production, transportation and construction and has strong adhesion on relatively wet ground. However, how can such a good floor not be used in life? Although it is so good, but it is also made from relatively strong chemical substances. Now, most of them are placed in industrial areas, and there is no experimentation or residence. Staying in this kind of environment will not be good for the body, especially if it affects food.
Waterborne epoxy flooring product performance
1, the coating self-leveling, smooth finish, beautiful and bright.
2. The coating has good toughness, wear resistance, pressure resistance and impact resistance after curing.
3, resistant to weak acid, alkali, salt, chemical solvent corrosion, insulation, flame retardant, solvent-free, non-polluting, non-toxic.
4. The construction is quick, convenient and easy to repair. Thickness 1mm or more, use life 5-10 years.
Waterborne epoxy floor application area
The protection and decoration of large-scale underground garages, pharmaceutical factory workshops, pharmaceutical packaging plants, large-scale garment factories, food factory workshops, electronics factory workshop floors.
Advantages and disadvantages of waterborne epoxy floor materials
advantage:
1. It has the characteristics of both solvent and solvent-free epoxy floor coatings, and it has good adhesion to many kinds of materials. The cured coating film has very good corrosion resistance and chemical resistance. The film has high hardness, good wear resistance and electrical insulation.
2. Water based is very good. It uses water as a medium, which also saves a lot of resources and does not cause pollution to the environment. It is very safe in storage, transportation and use, and there is no possibility of fire. It also does not contain organic solvents, which is beneficial to the health of construction workers and is more environmentally friendly.
3 can be used in a more humid environment, and direct application of the coating can be. Adaptability to different materials is also good, making up for the weaknesses of other epoxy floor coatings that are sensitive to whom. And the cost and construction are very simple and convenient.
Disadvantages:
1. Compared with some organic solvents, the heat of evaporation of water is high, so other means are needed to help the water in it to evaporate. And in the case of low temperature and high humidity, the water will evaporate more slowly and the surface will dry longer.
2. The surface tension of water is generally high, so it is difficult to refill the surface with other substrates and pigments. During construction, it is also necessary to maintain a high degree of surface cleanliness of the material.
3. The dispersion stability of aqueous epoxy floor coatings is worse than that of solvent-based coatings, so they tend to aggregate during use.
Waterborne epoxy floor material construction process
(1) Main construction equipment: Floor grinders, vacuum cleaners, mixers, brushes, scrapers or serrated trowels, defoaming rollers (rollers with nails), etc.
(2) Coating environmental conditions: Generally, amine-cured epoxy coatings do not substantially cure below 5°C, and cure slowly below 10°C, so applications above 15°C are required. The viscosity of the paint at low temperatures is not easy to apply. At high temperatures, the two components of the paint react quickly, the service life is short, the paint is sometimes too late to level out, and care should be taken during construction. High humidity also has a certain influence on the coating, especially to avoid construction in a low temperature and high humidity environment. This kind of paint can generally adjust the curing agent in time to adapt to different construction conditions.
(3) Priming: After the low-viscosity solvent-free epoxy sealer has been set, the roller is coated to fully wet the concrete and penetrate into the concrete inner layer.
(4)Mid-coating construction: The key to the construction of the middle-coating is to mix and paste the epoxy paste and hardener with proper amount of quartz sand with proper mixing and mixing. Use a trowel to paint a flat, dense layer with a certain thickness. The trowel smears the trowel, adding a larger amount of sand, and can also use a trowel. After the middle coating is cured, the coating is scraped and soiled and polished to provide a good surface for top coating.
(5) Top coat construction: After the epoxy paste and curing agent are mixed evenly, it can be coated, brushed, rolled or sprayed to make it self-leveling to obtain a smooth and even surface coating. Topcoats can also be made into non-slip or antistatic coatings.
(6) The construction is completed: 36h after the person can be on the front, 96h after the pressure can be. Based on the room temperature, the low temperature opening time should be moderately extended.
Editor's summary: Although there are many problems with this type of waterborne epoxy floor materials, the waterborne epoxy flooring materials will be better and will be given to us by the manufacturers constantly improving the formulation and painting process. Life brings more convenience.
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