The difference between UV paint, water-based paint, and traditional paint

Then there is water-based paint:

This is a water-based coating that does not contain organic solvents. It is free of benzene, toluene, xylene, formaldehyde, free TDI, and toxic heavy metals. It is non-toxic, odorless, harmless to the human body, and does not pollute the environment. The paint film is full, crystal clear, and flexible, and it also has the characteristics of water resistance, abrasion resistance, aging resistance, yellowing resistance, fast drying, and ease of use.

Advantages of water-based paints:

1. Using water as a solvent saves significant resources; eliminates fire hazards during application; reduces air pollution; and uses only a small amount of low-toxicity alcohol ether organic solvents, improving working conditions. While typical water-based coatings contain 15% to 15% organic solvents, current cathodic electrophoretic coatings have reduced this to below 1.2%, significantly reducing pollution and saving resources.
2. Water-based paints can be directly applied to wet surfaces and in humid environments; they have good surface adaptability and strong adhesion.
3. Painting tools can be cleaned with water, greatly reducing solvent consumption.
4. Electrophoretic coatings produce a uniform and smooth film with good leveling properties; a certain thickness of coating can be applied to internal cavities, welds, corners, and edges, providing excellent protection; electrophoretic coatings offer the best corrosion resistance, with thick-film cathodic electrophoretic coatings achieving salt spray resistance up to 1200 hours.

5. Water-based paints are free of heavy metals and organic solvents, making them highly environmentally friendly and primarily used in high-end

furniture such as children's furniture. Disadvantages of water-based paints:

1. Water-based coatings require high cleanliness during application and on the surface of the material. Due to the high surface tension of water, contaminants can easily cause pinholes in the coating film.

2. Water-based coatings have poor dispersion stability against strong mechanical forces. When the flow rate in the delivery pipeline changes drastically, the dispersed particles are compressed into solid particles, causing pitting in the coating film. The delivery pipeline must be of good shape and free of defects.

3. Water-based coatings are highly corrosive to coating equipment, requiring corrosion-resistant linings or stainless steel materials, resulting in high equipment costs. The corrosion of the delivery pipeline by water-based coatings causes metal dissolution, leading to the precipitation of dispersed particles and pitting in the coating film, also necessitating the use of stainless steel pipes.

4. Baking-type water-based coatings have strict requirements for environmental conditions (temperature and humidity), increasing the investment in temperature and humidity control equipment and also increasing energy consumption.

5. Water has a high latent heat of vaporization, resulting in high energy consumption during baking. Cathodic electrophoretic coatings require baking at 180℃; while latex coatings take a long time to dry completely. 6. High-boiling-point organic co-solvents produce a lot of fumes during baking, which condense and drip onto the coating surface, affecting its appearance.

7. Water-based coatings suffer from poor water resistance, resulting in poor stability of the coating and bath solution, and consequently, poor water resistance of the coating film. The medium for water-based coatings is generally slightly alkaline (pH 7.5–8.5), making the ester bonds in the resin prone to hydrolysis and molecular chain degradation, thus affecting the stability of the coating and bath solution, as well as the performance of the coating film.

Finally, there's traditional paint.

1. Lead pollution from paint seriously harms people's health:

* Lead is a well-known heavy metal, commonly used as an additive in paint production to improve drying speed and film hardness. While adding lead and other heavy metals to paint can improve product performance for paint companies, it poses significant safety hazards for users.

* Paint used in home decoration releases large amounts of irritating gases, including fine paint particles. Young children can suffer lead poisoning if they come into contact with the paint surface or swallow small paint particles. This can damage the brain and nervous system, lower IQ, and slow down children's growth and development. Adults who inhale a certain amount of lead will also experience various discomforts.

Given the harm of lead in paint, the United States banned the addition of lead and other heavy metals to paint as early as 1978 to reduce harm to humans.

2. Chemicals in paint severely pollute the air. Paint has long been widely used in construction, home furnishings, and industry, releasing large amounts of volatile organic compounds into the atmosphere, causing considerable pollution. VOCs in paint release large amounts of toxic chemicals, such as benzene, formaldehyde, and xylene, during use. Every year, over 7 million tons of harmful substances are released into the atmosphere from paint use alone. The impact of air pollution on human health is deadly. According to the latest statistics released by the World Health Organization, 7 million people died globally in 2012 due to air pollution, more than double the previous number. This means that one in eight deaths worldwide was caused by air pollution.

3. Paint consumption and waste are severe. More than 50% of paint's components are organic solvents extracted from petroleum. During use, these organic solvents evaporate into the air, causing massive resource waste. For example, a paint company with a production capacity of 100,000 tons will consume more than 200,000 tons of petroleum annually, equivalent to nearly 300,000 tons of standard coal. If the annual petroleum consumption of paint production in the industry is accumulated, the total consumption is enormous.

4. Paint production and use pose serious safety hazards. Paint is a flammable and explosive substance, posing serious safety hazards during production and use, like a hidden bomb, constantly threatening the personal safety of users. Therefore, paint is listed as a hazardous chemical by the state. Every year, countless cases of paint explosions occur during use and storage, resulting in tragic injuries and deaths.

5. Painting work leads to serious occupational diseases. The working environment for painters is a dangerous "minefield," posing a serious threat to their lives. Long-term exposure to paint can cause mild symptoms such as fatigue, memory loss, and difficulty concentrating; more severe symptoms include fatigue, emotional instability, decreased self-control and autonomy, and lasting personality and mood changes; even more serious cases can lead to intellectual impairment, dementia, and loss of work ability. Long-term, repeated exposure to low concentrations of benzene can cause chronic poisoning, damaging the nervous and hematopoietic systems; it can also affect the growth and development of offspring, leading to birth defects.

6. Wearing a special mask while painting to reduce the inhalation of volatile organic compounds (VOCs) is of limited effectiveness for those who work in painting long-term. Fainting and vomiting are common occurrences for painters during work; many long-term workers suffer from occupational diseases, and some even suffer lifelong disabilities.

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