The commonly used catalysts in the synthesis of polyurethane and its raw materials mainly include amine catalysts and organometallic compounds. There are many varieties of amines and organometallic co...
1. Definition of amine functional groupCarbonyl groups are also present in carboxylic acids, esters and amides. However, in these compounds, the carbonyl group is only part of the functional group. Ca...
Ⅰ. The role of monoethanolamine1. Gas purification: Absorb carbon dioxide and hydrogen sulfide from the gas.2. Solvent: Gas chromatographic stationary liquid (the highest use temperature is 50℃, the...
1. Anionic SurfactantSuch active agents are more common in linear alkyl benzene sulfonate and sodium α-alkenyl sulfonate. Linear alkyl benzene sulfonate, also known as LAS or ABS, is a white or light...
1. Concept of surfactantsSurfactant refers to a substance that can significantly change the interface state of the solution system by adding a small amount. It has fixed hydrophilic and lipophilic gro...
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