Waterborne coatings usher in the golden period of development

With the improvement of people's living standards, people pay more and more attention to physical and mental health and environmental protection in the coming months, and waterborne coatings in China are still not generally accepted by the market. Since the early 1990s, developed countries in the world have started a "green revolution", driving the paint industry to make great strides towards "green" products. So far, water-based paint has ushered in a golden period of development.

Traditional products are obviously harmful

As we all know, traditional coatings have long been a relatively important source of pollution in home decoration. Traditional solvent-based coatings use "Tina Water" (also known as banana water, generally used as a diluent, the main component is xylene, which is extremely volatile, flammable, explosive, and toxic) as a solvent, causing a large amount of organic matter to evaporate And construction tools are not easy to clean. At present, most of the coatings on the Chinese market still use organic solvents as solvents and thinners. Although they have been improved and improved for many years, they are still difficult to compete with the products of advanced countries such as Europe and the United States.

Modern technology and medical technology have proved that organic solvents are extremely harmful to the environment and human health. According to authoritative data, about 2.1 million children die from decoration pollution every year, and about 1.2 million women give birth to children with congenital disabilities due to decoration pollution. Therefore, the World Health Organization has included indoor air pollution in the list of "Top Ten Human Health Killers".

In addition, organic solvents, like petroleum energy, are non-renewable resources. Statistics show that in 2007, the total output of China's coatings was about 4 million tons. Because of the high volatility of oil-based coatings, about 60% of organic solvents are emitted into the air after painting, which wastes energy and seriously pollutes the air. , Especially the indoor environment. It is estimated that in the process of using paint, 2.4 million tons of benzene and aromatic solvents are volatile each year.

Most of the organic solvents that are often used today are products refined from petroleum or natural gas. Their functions are limited to thinning paints, which are convenient for painting, and cannot play any role in the performance after film formation.

Failed to occupy the mainstream market

Water-based paints use water instead of organic solvents, which can be directly diluted with water, and construction tools can also be washed with water, reducing environmental pollution. According to information, the utilization rate of water-based coatings in Europe has reached 80% to 90%, and since 2007, the European Union has banned the use of oily coatings in home decoration.

There are also many water-based paint products on the market in China, but due to long-term consumption habits and price factors, whether it is production or sales, oil paints have always occupied an absolute strong position in China. Although consumers have paid more attention to environmental protection in recent years, waterborne coatings have begun to be accepted and recognized by more high-end consumer groups, but for the larger medium and low consumption market, it is still dominated by oily coatings.

In this regard, Yue Wangkun, Secretary-General of the China Coatings Industry Association, analyzed that the biggest advantage of water-based coatings is environmental protection and health indicators. However, the current coating effect of most water-based coating products in China has not yet reached the same level as oil-based coatings. The coating process is greatly affected by climate and environment, and the construction period is long. Therefore, it is difficult for waterborne coatings to really occupy the market in China. He said that furniture, toys and other manufacturers need products that are suitable for all-weather production; painters need products that have equal emphasis on construction cycle and environmental protection and health; and family consumers need products with reasonable prices and good color, fullness and water resistance. If the upgrade of product quality cannot be achieved, it is difficult for waterborne coatings to be widely accepted in the domestic market.

Yue Wangkun pointed out that at present, the development of waterborne coatings in China needs to focus on two major directions: one is to achieve a qualitative leap in the quality of waterborne coatings; the other is to continue to popularize downstream consumption of furniture, building materials, toys and other households. The good news is that some nitro furniture paints, nitro flat painted toy paints, nitro crafts paints and other products in some domestic water-based paints have passed the test of SGS, the world's most authoritative testing agency, and are the first to get through. "Green channel" exported to Europe and America.

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