申请人:Phillips Petroleum Company
公开号:US04595538A1
公开(公告)日:1986-06-17
Tri-alkali metal di(carboxyalkyl) dithiocarbamates and triammonium-di(carboxyalkyl) dithiocarbamates which can be characterized by the formula ##STR1## wherein R and R' can be the same or different and are selected from the group consisting of alkylene radicals, preferably alkylene radicals each preferably having from 1 to 12 carbon atoms, and wherein M is selected from the group consisting of alkali metal atoms and ammonium; their use as ore flotation depressants; and a process for making these novel compositions are disclosed.
本发明公开了可以由以下公式表征的三元碱金属二(羧基烷基)二硫代氨基甲酸盐和三羟甲基二(羧基烷基)二硫代氨基甲酸铵:##STR1## 其中R和R'可以相同或不同,并选择自烷基基团群,优选是每个烷基基团都有1到12个碳原子,M选择自碱金属原子和铵离子群,本发明还公开了它们作为矿石浮选抑制剂的用途;以及制备这些新型化合物的过程。