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Composition and function of cyclohexylamine corrosion and scale inhibitor
In industry, cyclohexylamine is prepared by aniline catalytic hydrogenation, and the commonly used catalyst is cobalt. It can also be divided into two methods: atmospheric pressure and pressurization. In the atmospheric method, the molar ratio of aniline to hydrogen is 1:2, the addition reaction temperature is 150~180 ℃, and the pressure in the reactor is atmospheric. In the pressurization method, the molar ratio of aniline to hydrogen is 1:10, the addition reaction temperature is about 240 ℃, and the pressure in the reactor is 14.61MPa. The fixed bed liquid phase hydrogenation method is adopted.
2024-03
2024-03-27
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The improvement of NMP helps the rapid development of lithium batteries.
The Chinese name of NMP is N -Methy-Pyrrolidone, is a key chemical solvent and extractant in electronic chemicals. Since the 1990s, NMP has risen in the domestic petrochemical industry. After more than 20 years of development, it has gradually been completely localized by the initial basic import. The scope of application has been gradually limited to the petrochemical, coating, pesticide and other industries. Expanded to use in insulation materials and blending solvents, especially lithium-ion batteries, chemical solvents for industrial plastics and printed circuit boards, electronic cleaners for liquid crystal displays.
2024-03
2024-03-20
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Main uses and storage methods of THF
2024-02
2024-02-28
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What chemical substance is dmac?
Dmac is a very common chemical substance. The Chinese name of dmac is dimethylacetamide, and its full name is N,N-dimethylacetamide. The chemical formula of dmac is: CH3C(O)N(CH3)2.
2024-02
2024-02-26
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Development status of global N-Methylpyrrolidone (NMP) industry
N-Methylpyrrolidone(NMP) is a colorless and transparent liquid with boiling point of 202 ℃ and flash point of 95 ℃. It has low volatility, good thermal and chemical stability. It can be miscible with water and soluble in organic solvents such as ether and acetone.
2024-01
2024-01-30
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Chemical Properties and Uses of Dicyclohexylamine
Dicyclohexylamine，CAS No. 101-83-7, semi colorless liquid with fishy smell. Dicyclohexylamine has the chemical properties of secondary amine. It is strongly alkaline and can form salts with various acids. Acylation reaction may occur.
2024-01
2024-01-04
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The main use of cyclohexylamine products
1. Used as a rubber vulcanization accelerator, and also used as a raw material for synthetic fibers, dyes, and gas-phase corrosion inhibitors
2024-01
2024-01-03
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East Chem International Trade Department moved to a new location and started a new journey
We are very pleased to announce that the International Trade Department of East Chem has moved to a new office location and is taking this opportunity to start a new journey.
2023-12
2023-12-25
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How to deal with N-methylpyrrolidone wastewater?
N-methylpyrrolidone wastewater will be produced in lithium battery cathode production, N-methylpyrrolidone synthesis and N-methylpyrrolidone processing and recycling. This type of industrial wastewater also has the characteristics of complex composition, poor biodegradability and high concentration due to its production process.
2023-12
2023-12-25
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Functional uses of γ-butyrolactone
γ-butyrolactone, synthetic fragrance, 1. Maleic anhydride hydrogenation method This method is an advanced process developed in the 1970s. It uses a one-stage hydrogenation reaction to produce tetrahydrofuran and γ-butyrolactone in any ratio.
2023-11
2023-11-14