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Caprolactam (CPL) is an organic compound with the formula (CH 2) 5 C(O)NH. This colourless solid is a lactam (a cyclic amide ) of caproic acid . Global demand for this compound is approximately five million tons per year, and the vast majority is used to make Nylon 6 filament, fiber, and plastics.
As these economies continue to grow, the demand for Caprolactam is expected to follow suit. Challenges Faced by the Caprolactam Market: Volatility in Raw Material Prices: Caprolactam production is heavily reliant on benzene, a petrochemical derivative. Fluctuations in crude oil prices directly impact the cost of benzene, leading to volatility ...
Although no longer economical, caprolactone was once produced as a precursor to caprolactam. Caprolactone is treated with ammonia at elevated temperatures to give the lactam: (CH 2) 5 CO 2 + NH 3 → (CH 2) 5 C(O)NH + H 2 O. Carbonylation of caprolactone gives, after hydrolysis, pimelic acid. The lactone ring is easily opened with nucleophiles ...
Caprolactam molecule used to synthesize Nylon 6 by ring opening polymerization. Nylon 6 or polycaprolactam is a polymer, in particular semicrystalline polyamide.Unlike most other nylons, nylon 6 is not a condensation polymer, but instead is formed by ring-opening polymerization; this makes it a special case in the comparison between condensation and addition polymers.
AdvanSix Inc. is an American chemical company that produces nylon 6 and related chemicals such as caprolactam and ammonium sulfate fertilizers. [2] It operated as Honeywell's Resins and Chemicals division until 2016, when it was spun off as a separate company. [3] The unit accounted for 3 percent of Honeywell's sales at the time. [4]
The plant was intended to produce 70,000 tons per annum (tpa) of caprolactam but was reaching a rate of only 47,000 tpa in early 1974. Government controls on the price of caprolactam put further financial pressure on the plant. [2] It was a failure of the cyclohexane plant that led to the disaster.
The Caprolactam plant in Udyogamandal was commissioned in 1990. Main products include ammonia, sulfuric acid, ammonium phosphate-sulfate (FACTAMFOS), ammonium sulfate, zincated ammonium phosphate, caprolactam, and also complex fertilizers. gypsum, nitric acid, soda ash and coloured ammonium sulfate are major by-products.
As of fiscal year 2021–22, fertilizers such as diammonium phosphate, ammonium sulfate and urea generated over 60% of the company's revenue, while industrial products including caprolactam, nylon 6, melamine and MEK oxime contributed the remaining share. [4]