The development of the petrochemical industry provides rich and cheap raw materials for petroleum resin production. Therefore, the production of petroleum resin in some petrochemical developed countries has developed rapidly, Petroleum Resin such as the United States, Japan, Germany, Russia, France, Petroleum Resin Britain, and the Netherlands. The current world production capacity is about 400kt/the United States and Japan account for about 57%, and 20%, Petroleum Resin, and Europe account for about 22%.
my country's C5 petroleum resin development started late, but progress is relatively fast, Petroleum Resin the Chinese Academy of Sciences Institute of Organic Chemistry, Chinese Academy of Sciences Institute of Chemistry, Petroleum Resin Shanghai Petrochemical Corporation Chemical Industry Institute, Zibo Chemical Industry, Research Institute, Petroleum Resin, etc. have developed C5 series of petroleum resin. At present, C5 and C9 petroleum resin production facilities of a certain scale have been established in Heilongjiang, Liaoning, Shandong, and Jiangsu.
There are few foreign reports on the production of mixed C5 petroleum resin.
The process is as follows: the mixed C5 first undergoes two stages of heat treatment (the heat treatment temperature is 180C and 135°C respectively) to reduce the content of CPD to less than 1%. The heat-treated material directly enters into four series tubular polymerization reactors, Petroleum Resin the inlet temperature of the reactor is 60°C, Petroleum Resin, and the A1C1s-cumene complex catalyst is added to the four reactors in four shares. The polymer material is deactivated, washed, stripped, and flashed to obtain a light-colored petroleum resin with a hue of 6#-10# and a product yield of 35% (based on total raw materials).
Experts have put forward important suggestions for the research and development of domestic petroleum resin production: In view of the characteristics that China's current petroleum resin production is mainly dominated by small and medium-sized production enterprises, Petroleum Resin it is recommended that enterprises and research institutions establish the strength of joint research and development, Petroleum Resin and large enterprises should give full play to petroleum The advantages of production technology and equipment, Petroleum Resin actively introduce the advanced technology of large foreign companies, Petroleum Resin and strive to reach a new level in China's petroleum resin production and research and development in a short period of time. However, Petroleum Resin because many production enterprises are private, restructuring involves various issues. In particular, Petroleum Resin each petroleum resin production enterprise under monopoly giants such as PetroChina, Petroleum Resin Sinopec, and CNOOC is more difficult to reorganize across enterprises. Therefore, Petroleum Resin the price war will be the main means of competition for a long time to come. This is a long-term process.
