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The main use of adipic acid can be classified according to nylon and non-nylon products. The use of adipic acid in nylon products is mainly through the condensation reaction with hexanediamine to produce nylon 66 salt, and then the production of nylon 66 fiber and nylon 66 resin, adipic acid for the production of nylon 66 accounts for about 73% of the total capacity; The use of adipic acid in non-nylon products is mainly through the condensation reaction with polyols to produce polyester polyols, thereby producing various polyurethane products, such as polyurethane sole resin, polyurethane synthetic leather resin, polyurethane adhesive, thermoplastic polyurethane (TPU), urethane rubber and polyurethane foam. In addition, adipic acid can also be used in plasticizers, unsaturated polyester resins and other fields. As the domestic nylon plastics industry has developed relatively slowly in recent years, the largest consumption of adipic acid comes from the polyurethane industry, accounting for approximately 57.7% of total consumption, nylon 66 salt accounting for approximately 17.6%, and other areas accounting for 24.7%.
At present, there are more than 10 adipic acid producers in China, most of which have a production capacity of 40,000 to 50,000 tons/year, and a total production capacity of about 450,000 to 500,000 tons/year. Among listed companies, Tianli Gaoxin and Shenma Industrial are expected to benefit from the anti-dumping tax levy. Among them, Tianli High-tech's 70,000 tons/year of adipic acid and its supporting projects were completed in September 2008. In August 2009, qualified products were produced from adipic acid plants. It is worth mentioning that the Tianli Gaoxin adipic acid project is near Dushanzi Petrochemical's one million-ton ethylene plant project. The ethylene production process produces a large amount of benzene by-products, which can just meet the raw material requirements for the adipic acid project, with obvious cost advantages. Shenma Industrial's joint stock company produces adipic acid, which is mainly internal digestion, so it has a certain industrial chain advantage. However, due to the fact that some companies in the downstream industry of adipic acid have been able to reduce their profitability due to their inability to transfer the pressure of rising costs to their downstream, downstream products such as shoes and apparel have faced a decline in export competitiveness due to rising raw material costs. In general, adipic acid producers will benefit from anti-dumping, but they are not optimistic about downstream polyurethanes and other industries.
Adipic acid production benefits from anti-dumping duties
The Ministry of Commerce recently announced the final decision on anti-dumping investigation of adipic acid. From November 2, 2009, it imposed an anti-dumping tax ranging from 5% to 35.4% on adipic acid imported from the United States, the European Union and South Korea for a period of five years. . The adipic acid anti-dumping ruling will improve the domestic adipic acid business environment and increase profitability.