Stabilizer is a kind of stabilizer widely used in the field of explosives and propellants

At present, the main domestic application is Type stabilizer, but its product quality is low, the process method is complex, and the production risk is high; Type stabilizer has better effect, but it is difficult to be widely used in China due to the difficulty in its preparation process. To solve this problem, in this experiment, a one-pot method was adopted, using solid triphosgene instead of traditional triphosgene to react with N-methylaniline and N-ethylaniline respectively to prepare Type stabilizer and Type stabilizer, and vacuum distillation was used to improve the product quality, so as to obtain stabilizer products with excellent performance.

The experimental results show that when the dosage of solid triphosgene is about 120% of the theoretical value and the feeding time is controlled to 20-30min, the yield of the prepared Type stabilizer product is more than 96%, the preparation process is stable, and the performance of the product after distillation is significantly higher than the national indicators. On the basis of the process of Type stabilizer, the preparation process of Type stabilizer was improved. When the dosage of solid triphosgene is 170% of the theoretical value, the feeding time is extended to 90min, and the Type stabilizer product prepared by water-soluble cooling acid crystallization has a yield of more than 96%, the preparation process is stable, and the performance of the product after distillation is significantly higher than the national indicators. Therefore, the Type and Type stabilizers produced by using solid triphosgene combined with one-pot method and distillation have stable production process and excellent product quality, which are significantly better than the stabilizer products produced in the market.

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In terms of capacity expansion, Jiangxi Zhewei New Materials Technology Co., Ltd. has also taken new actions. Jiujiang Municipal Bureau of Ecology and Environment made a public notice on the environmental impact report of the company's expansion project (Phase I) with an annual output of 1,000 tons of Type stabilizer and 1,000 tons of Type stabilizer from March 10 to 14, 2025. The expansion project is located within the existing factory area, with no new land area. It relies on the northeast side of the existing 101 workshop to build a production line for Type stabilizer and Type stabilizer. The construction area of the project is 244 m, and after completion, it can achieve an annual output of 299 tons of Type stabilizer and 404 tons of Type stabilizer.

The total investment of the project is 5 million yuan, of which the environmental protection investment is 500,000 yuan, accounting for 10%. It relies on the existing public auxiliary and storage and transportation projects such as circulating cooling, refrigeration, air compression, nitrogen generation systems, warehouses and sewage treatment stations. After adding environmental protection projects such as waste gas treatment systems, the process wastewater is discharged into the Jinshawan Industrial Park Sewage Treatment Plant after reaching the standard, and finally discharged into the Yangtze River after further treatment. After the project is put into operation, it will increase the market supply of stabilizers to meet the needs of related industries. Driven by enterprise innovation and policy promotion, the stabilizer field is steadily developing towards technological upgrading, capacity optimization and meeting diversified needs, and is expected to play a more important role in national defense, chemical industry and other fields in the future.

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Company Name: Jiangxi Zhewei New Materials Technology Co., Ltd.
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Website: https://www.jx-zhewei.com/

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