Ore flotation
    2.
    发明授权
    Ore flotation 失效
    矿石浮选

    公开(公告)号:US4622131A

    公开(公告)日:1986-11-11

    申请号:US728910

    申请日:1985-04-30

    IPC分类号: B03D1/012 B03D1/06 C22B3/00

    摘要: In an ore flotation process for recovering copper values from an aqueous slurry the improvement comprises a depressant composition of an amino-substituted carboxylic acid derivative or a mercapto-substituted carboxylic acid derivative in combination with a thiocarbonate derivative.

    摘要翻译: 在用于从含水浆料中回收铜值的矿石浮选方法中,改进包括与硫代碳酸酯衍生物组合的氨基取代的羧酸衍生物或巯基取代的羧酸衍生物的抑制剂组合物。

    Ore flotation and flotation agents for use therein
    4.
    发明授权
    Ore flotation and flotation agents for use therein 失效
    矿石浮选和浮选剂用于其中

    公开(公告)号:US4554068A

    公开(公告)日:1985-11-19

    申请号:US681404

    申请日:1984-12-13

    IPC分类号: B03D1/012 B03D1/14

    摘要: Carboxyalkyl dithiocarbamates which can be characterized by the formula ##STR1## wherein R is selected from the group consisting of alkylene radicals, wherein R' is selected from the group consisting of hydrogen and methyl and ethyl radicals, and wherein X is selected from the group consisting of alkali metal atoms, their use as ore flotation suppressants, and a process for making these novel compositions are disclosed.

    摘要翻译: 可以通过下式表征的二硫代氨基甲酸苄酯:其中R选自亚烷基,其中R'选自氢和甲基和乙基,并且其中X选自 的碱金属原子,它们作为矿石浮选抑制剂的用途,以及制备这些新型组合物的方法。

    Asphaltic concrete compositions comprising diene/vinyl aromatic
copolymers
    7.
    发明授权
    Asphaltic concrete compositions comprising diene/vinyl aromatic copolymers 失效
    包含二烯/乙烯基芳族共聚物的沥青混凝土组合物

    公开(公告)号:US4217259A

    公开(公告)日:1980-08-12

    申请号:US838341

    申请日:1977-09-30

    CPC分类号: E01C7/265 C08L95/00

    摘要: Improved asphalt-containing compositions having excellent flexural fatigue test characteristics are prepared by incorporating into the mix during its preparation at least one diene/vinyl aromatic copolymer, said copolymer being a radial teleblock copolymer wherein the teleblock copolymer has a diene/vinyl aromatic weight ratio of about 60/40 to about 90/10 and a weight average molecular weight range of from about 130,000 to 300,000.

    摘要翻译: 通过在其制备期间将至少一种二烯/乙烯基芳族共聚物掺入混合物中来制备具有优异弯曲疲劳试验特性的改进的含沥青组合物,所述共聚物是径向多嵌段共聚物,其中所述多嵌段共聚物具有二烯/乙烯基芳族化合物的重量比 约60/40至约90/10,重均分子量范围为约130,000至300,000。

    Emulsified asphalt emulsion fortified with asbestos fibers
    8.
    发明授权
    Emulsified asphalt emulsion fortified with asbestos fibers 失效
    用石棉纤维强化的乳化沥青乳液

    公开(公告)号:US3993496A

    公开(公告)日:1976-11-23

    申请号:US556482

    申请日:1975-03-07

    摘要: A method for coating a fabric with an asphalt emulsion containing asbestos fibers, the fibers having been pretreated with a non-ionic surface active agent to yield a stable emulsion containing asphalt and fortifying asbestos fibers, useful as a sealant composition which will not extrude from the fabric under elevated hydraulic or fluid pressures. Stable emulsions containing asbestos fibers which have been pretreated with a non-ionic surface active agent are disclosed.

    摘要翻译: 一种用含有石棉纤维的沥青乳液涂布织物的方法,该纤维已经用非离子表面活性剂预处理,以产生含有沥青和强化石棉纤维的稳定乳液,可用作不会挤出的密封剂组合物 织物在升高的液压或流体压力下。 公开了含非离子表面活性剂预处理的含有石棉纤维的稳定乳液。

    Ore flotation and sulfenyl dithiocarbamates as agents for use therein
    10.
    发明授权
    Ore flotation and sulfenyl dithiocarbamates as agents for use therein 失效
    矿石浮选和硫代二硫代氨基甲酸盐作为其中使用的试剂

    公开(公告)号:US4883585A

    公开(公告)日:1989-11-28

    申请号:US263438

    申请日:1988-10-27

    IPC分类号: B03D1/012

    摘要: A process for the recovery of minerals from an ore or concentrate containing the same wherein the minerals are recovered in a froth from an aqueous pulp containing the ore or concentrate and wherein one or more mineral flotation agents are employed in the aqueous pulp to control the type of mineral in the froth is provided. The mineral flotation agent or agents employed in the process comprise sulfenyl dithiocarbamates characterized by the formula: ##STR1## wherein R.sub.1 and R.sub.2 are selected from the group consisting of hydrogen and hydrocarbyl groups with not more than one of R.sub.1 and R.sub.2 being hydrogen, n is 1 or 2, and R.sub.3 is a hydrocarbyl group.

    摘要翻译: 一种用于从含有矿物或矿物的矿石或浓缩物中回收矿物的方法,其中矿物质以含有矿石或浓缩物的含水纸浆从泡沫中回收,并且其中一种或多种矿物浮选剂用于含水纸浆中以控制该类型 提供了泡沫中的矿物质。 本方法中使用的矿物浮选剂或试剂包括以下式表征的亚磺酰基二硫代氨基甲酸酯:其中R 1和R 2选自氢和烃基,R 1和R 2中的一个不是氢,n是 1或2,并且R 3是烃基。