The Past and Present of Adipic Acid Synthesis Process_Kain Industrial Additive
As the basic building block of a variety of chemical products, adipic acid is by far the most important aliphatic dicarboxylic acid in industrial production[1], with approximately 300 production world…
Adipic acid: Insufficient demand support, the market rises rapidly and then falls quickly_Kain Industrial Additives
In August, in less than half a month, the domestic adipic acid market quickly turned into a downward channel after a round of price increases at the beginning of the month. The mentality of market par…
Solution to concrete admixture polycarboxylic acid secret water
1. The preparation ratio is wrong. 2. Issues with cement and admixtures. Problems with polycarboxylate water-reducing agents 1. Insufficient slump retention in high-temperature environments; 2. Strong…
New solid acid catalyst Nafion/SiO2 synthesizes anisonitrile_Kain Industrial Additive
Nitrile spices are new spices developed in the past 20 years. In the perfume industry, the aroma and performance of nitrile compounds are better than those of corresponding aldehyde compounds. In addi…
Preparation method of 2,6-diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester oxalate_Kain Industrial Additives
Background and overview[1] 2,6-diazaspiro[3.3]heptane-2-carboxylic acid tert-butyl ester oxalate is a A kind of azaspirocyclic compound, often used as an intermediate in drug synthesis. There are repo…
Preparation method of (1S,3AR,6AS)-octahydrcyclopenta[C]pyrrole-1-carboxylic acid tert-butyl ester oxalate_Kain Industrial Additive
Background and overview[1] (1S,3AR,6AS)-Otahydrocyclopenta[C]pyrrole-1-carboxylic acid tert-butyl ester oxalate is an S-configured nitrogen heterocycle and an intermediate of telaprevir. S-configurati…
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