Pvc was first discovered in 1835 by famous French scientists. Then in 1872 another scientist in Germany discovered this new material. At that time, the pvc material was a white solid, which was extremely fragile and had no practical application. In the early 20th century, a group of chemists such as Russian chemists and Fritz Klatte tried to change the fragility of pvc, making it a commercial product but ended in failure.
It was not until 1926 that Waldo Semon (BF Goodrich) of the United States synthesized PVC and applied for a patent in the United States. He solved the friability of pvc by synthesizing various additives, and increased the expandability of pvc materials. The basis for commercialization of products. In 1931, Germany began to produce pvc by emulsion method. In 1941, the United States began to produce pvc by floating method, and thus pvc material related products began to be widely used in production and life applications. With the continuous development of technology, the current pvc production synthesis has been replaced by bulk synthesis, which makes it more efficient and costs are greatly reduced.
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