1. Emulsification of the surfactantDue to the large surface tension of oil in water, when oil is dropped into the water and stirred vigorously, the oil is crushed into fine beads and mixed with each o...
Amines are organic compounds in which the hydrogen atoms of ammonia are replaced by hydrocarbon groups. The compounds formed by replacing one, two or three hydrogen atoms in the ammonia molecule with ...
1. Stability of primary aminePrimary amine is flammable, and its vapour may combine with air to generate explosive combinations, with an explosion limit of 5% to 21%. (4.95 percent -20.75 percent ). A...
1. Definition of amineThe definition of amine in organic chemistry is "a derivative of ammonia." It comprises nitrogen atoms with lone pairs of electrons and is classed as an organic nitroge...
1. Three main sources of bubbles in polyurethane catalysts(1) Introduce air into raw material stirring(2) Solvent volatilization during curing(3) Side reactionsGenerally, it is possible to change the ...
