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The first domestic "bypass breakout" plant to prepare hexamethylenediamine and nylon 66 has been completed

 Last Update: 2022-10-04
 Source: Internet
 Author: User

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On April 6), Sinochem International announced that the project with an annual output of 40,000 tons of nylon 66 and 25,000 tons of intermediate hexamethylene diamine, which was built by the company invested 978 million yuan, has fully completed the mid-term handover of the plant and is about to enter the commissioning stage.

The main raw materials of nylon 66 are adipic acid and hexamethylene diamine

After years of research and development, Sinochem International has independently developed an innovative production process of hexamethylenediamine, and has formed the first domestic set of "catalyst preparation - hexamethylenediamine synthesis by introducing and re-innovating the aqueous solution salt-forming continuous polymerization method nylon 66 process technology.

The technology has been fully verified by small and pilot tests, and the key indicators such as the purity, chromaticity and polarographic value of the prepared hexamethylenediamine products are at the leading level in the industry, and the quality of nylon 66 products also meets the requirements of industry-leading products, and has industrialized implementation.

In September 2020, Sinochem International, relying on the innovative production process of hexamethylenediamine, combined with the advantages of steam, natural gas and other energy sources in the western region, invested in the construction of a project with an annual output of 40,000 tons of nylon 66 and 25,000 tons of intermediate ethylenediamine in Zhongwei, Ningxia
.
The project is located in Sinochem Zhongwei Circular Economy Industrial Park.
Construction will start in April 2021, and it will be listed as a key project in Ningxia Autonomous Region in 2021
.

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