| 摘要 |
This invention relates to the use of a compound of the formula (I) where R1 is a hydrocarbon group having 1-40 carbon atoms, R2 is an aliphatic hydrocarbon group having 2-4 carbon atoms, and also R3 is an alkoxy group, n is in the range from 1 to 50, and m is 1 or 2, as flotation reagent in silicate flotation <?in-line-formulae description="In-line Formulae" end="lead"?>R1-O-R2-NH(2-m)-[(R3)n-H]m (I)<?in-line-formulae description="In-line Formulae" end="tail"?>
|
