Current status and development trend of defoamers for waterborne coatings in China INTRODUCTION of defoamers for waterborne coatings Although the amount of additives used in water-based coatings is small, its effect is huge. Generally speaking, many problems encountered in the production, construction and application of water-based coatings can be solved by additives, among which defoamers for waterborne coatings are one of the more important additives. China is a major producer of architectural coatings, of which latex paint is the largest and most important variety. Latex paint has a large demand for defoamers, and it is increasing year by year, so the development of defoamers is very important. Before the German BYK additives entered the Chinese market, China's defoamers for waterborne coatings market was almost blank. At the same time, the magical functions of water-based paint additives began to receive approval, and Japan's Nippon Paint Company launched latex paint in C...