The development of coating has a long history

Has a long history of development, can be traced back to the Stone Age. China is one of the first countries to the production and use of paint. Archaeological excavations unearthed a large number of cultural relics and lacquer proves that our ancestors in the paint has a high-tech production and use. The early coating is made of vegetable oils and fats, people used to call it paint. With the development of polymer science in the early 20th century, especially in the 1930 s industrialized production of alkyd resin, synthetic resin widely used in paint production. The meaning of the painting, therefore, there has been a fundamental change. Should now be replaced with the paint of paint of concepts, including organic and inorganic paint, including organic paint is particularly important. According to statistics, at present the synthetic resin coating accounts for 80% of the coating production, coating with a new resin continues to develop. The development history of coating can generally be divided into three stages: 1. Use of natural film-forming substance; 2. The formation of the coatings industry; 3. The production of synthetic resin paint. The use of natural film-forming substance in the coating. Chinese is the world's one of the first countries to use natural film-forming material painting. During the spring and autumn period, tung oil and paint technology is mastered. During the warring states period, tung oil and paint can be used as a composite coatings. Ma Wang unearthed in changsha museum of lacquer ware and lacquer craft is masterly writing, paint film is tough and good protection performance, indicates that Chinese lacquer in China at the beginning of the 2nd century BC used quite mature. Since then, the technique was introduced into Korea, Japan and southeast Asian countries, and the development. The babylonians with BC asphalt as anti-corrosive paint wooden boats, greeks mastered the technology of wax. In the early, Egypt using gum Arabic as coating. In the Ming dynasty, lacquer ware and technology of China reached its peak. After the 17th century, the Chinese lacquer technology was introduced into Europe and India shellac varnish gradually. Source: WWW. kobojc。 Com the water of the water