| 摘要 |
<p>A flotation collector and a process for treating an aqueous inorganic substance system are disclosed. The flotation collector comprise a copolymer constituted of 2 to 95 mol % of structural units (A) represented by general formula (I) (wherein R1 represents H or methyl, Y represents -O- or -NH-, A represents C¿1-4? alkylene, C2-4 hydroxyalkylene or phenylene, and Z represents formula (III) or (IV) (wherein R?2, R3, and R4¿ each represents H, C¿1-12? alkyl or C7-10 aralkyl, and X?-¿ represents a counter ion)), 5 to 98 mol % of structural units (B), represented by general formula (II) (wherein R5 represents H or methyl and W represents C¿6-8? aryl, a compound of formula (V) (wherein n: 2-4; m: 0-20), a compound of formula (VI), -O-R?6¿ or a compound of formula (VII) (wherein R6 represents C¿1-18? alkyl, C5-8 cycloalkyl, C7-10 aralkyl or C6-18 aryl)), and 0 to 50 mol % of other structural units (C).</p> |
