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Product performance advantages of water-based industrial coatings

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1. The main reasons for the failure of the EIA of the steel structure plant

Before leaving the factory, the products of the steel structure factory must be coated on the surface, mainly for anti-rust and anti-corrosion. The coatings used are mainly chlorosulfonated polyethylene anti-corrosion coatings, iron red phenolic resin anti-rust coatings and a small amount of alkyd blended coatings. These coatings produce a large amount of organic waste gas in the process of spraying and curing, which not only smells pungent, but also causes serious environmental pollution.

2. The hazards of spraying high-concentration VOCs coatings in steel structure plants

1. Severe air pollution

Coatings are widely used in steel structure plants, and a large number of organic volatiles are discharged into the atmosphere during use, making the atmospheric environment a victim of enterprise development.

Expert analysis said that traditional coatings contain a large amount of VOCs, which will volatilize a large amount of toxic chemicals during use. Among them, stupid, formaldehyde, and xylene are toxic and harmful chemical gases. In my country, the use of coatings every year There are 7 million tons of organic volatiles discharged into the atmosphere, which shows the huge “influence” of VOCs on air pollution.

The impact of air pollution on human health is fatal. According to the latest statistics released by the World Health Organization, in 2012, 7 million people worldwide died due to “air pollution”, which was more than double the previous figure. This is equivalent to 1 in 8 deaths in the world due to air pollution.

2. Serious waste of resources

More than 50% of the components of traditional coatings are organic solvents extracted from petroleum. During the film-forming process, the organic solvents will volatilize into the air, which results in a lot of waste of resources.

Experts pointed out that if a paint company with a production capacity of 125,000 tons is used as an example, it will consume 200,000 tons of oil every year, which is equivalent to 268,000 tons of standard coal consumption per year. And this is only the data of one company. If the oil consumed by the industry’s annual paint production is added up, the total oil consumption will be huge.

3. Security issues

VOCs are flammable and explosive gases, and there are great potential safety hazards in the process of production and use. Like an invisible bomb around people, it will threaten the safety of users at any time. At present, VOCs have been included in the national registration of hazardous chemicals environmental management.

In many previous reports, there have been numerous cases of explosions in traditional coatings during use and storage, and the tragic cases of injury or even death are worrisome.

4. Deadly “occupational disease”

Experts believe that the safety of workers in high concentrations of VOCs is even more worrying, and the working environment of workers is like a dangerous “minefield”. Coatings contain a large amount of toxic volatile substances, including formaldehyde, benzene, xylene, etc. Some research reports believe that long-term exposure to organic compounds can easily lead to fatigue, memory loss, and inability to concentrate; in severe cases, lasting personality and emotional changes such as fatigue, emotional instability, and decreased self-control and autonomy; more serious. Intellectual impairment, dementia, loss of work ability, etc. Long-term repeated exposure to low concentrations of benzene can cause chronic poisoning and damage the nervous system and hematopoietic system. At the same time, it will also affect the growth and development of the next generation, such as causing birth defects. However, these serious symptoms in the eyes of outsiders are only “minor symptoms” of occupational diseases in the eyes of workers.

When working in the workshop, workers must wear production-specific masks to reduce the inhalation of organic volatiles during the production process. However, for those who have been engaged in production operations for a long time, wearing a mask has a limited effect on preventing the inhalation of toxic substances. It is common for workers to faint and vomit during work. Most of the workers who have been engaged in paint production for many years suffer from occupational diseases, and even cause some workers to be disabled for life.

3. The best substitute for coating in steel structure plants

The best alternatives to traditional coatings are new environmentally friendly coatings such as water-based industrial paints. All water-based coatings use water as the diluent, do not use organic solvents, do not contain organic solvents, do not contain benzene, toluene, xylene, formaldehyde, free TDI toxic heavy metals, non-toxic and non-irritating odor, harmless to the human body, do not pollute the environment, The paint film is plump, the operation is bright, the flexibility is good, and it is resistant to water, abrasion, aging, yellowing, fast drying, and easy to use.

4. Product performance advantages of water-based industrial coatings

1. Quick drying

Starting from an innovative film-forming mechanism, water-based industrial coatings use new water-based polymers and advanced production processes to optimize the cross-linking density of the coating film, improve the mechanical properties and weather resistance of the coating film, and at the same time abandon the current foreign common The incomplete supporting process not only realizes one-time coating of water-based high-gloss colorless topcoat (no need to spray overcoat varnish), reduces the operation process, saves energy and reduces consumption, and simplifies the drying process, only (75 ℃) 20 minutes It can be dried or dried at room temperature.

2. Simple construction

There is no need to use special spraying tools, and high-quality construction work can be carried out with ordinary spray guns. From primer to topcoat, water is used as solvent, which simplifies the cleaning process of equipment and tools. Using water as a cleaning agent reduces the consumption of organic solvents, prevents the excessive use of benzene-containing solvents and causes pollution to the surrounding environment, and greatly reduces the occurrence of occupational diseases, which is more conducive to the health of front-line operators .

3. Energy saving and consumption reduction

Water-based industrial coatings, from primer to topcoat, all use water as diluent and cleaning agent, which fundamentally eliminates the reserve consumption and use of organic solvents.

Water-based industrial coatings are free of harmful ingredients such as xylene and butyl acetate, reducing environmental pollution.

Water-based industrial coatings improve drying conditions, reduce energy consumption, reduce equipment requirements, and reduce a series of work requirements such as safety production and fire prevention measures.


Post time: May-17-2022