Sulfur based metal cleaners
    4.
    发明授权
    Sulfur based metal cleaners 失效
    硫磺金属清洗剂

    公开(公告)号:US4421667A

    公开(公告)日:1983-12-20

    申请号:US427222

    申请日:1982-09-29

    CPC分类号: C11D3/349 C23G1/14 C11D3/3481

    摘要: A novel composition and process are provided for cleaning metallic surfaces. The aqueous cleaning composition comprises an effective amount of at least one thiomorpholine compound represented by the formula: ##STR1## where R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, and R.sub.8 can be hydrogen or any hydrocarbyl radical having from 1 to 3 carbon atoms and where the total number of carbon atoms in R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, and R.sub.8 not to exceed about 10 carbon atoms; and where R.sub.9 is hydrogen or any hydrocarbyl radical having from 1 to 8 carbon atoms, metal hydroxide, and water soluble surfactant.

    摘要翻译: 提供了用于清洁金属表面的新颖的组合物和方法。 含水清洁组合物包含有效量的至少一种由下式表示的硫代吗啉化合物:其中R 1,R 2,R 3,R 4,R 5,R 6,R 7和R 8可以是氢或任何具有1至 3个碳原子,其中R1,R2,R3,R4,R5,R6,R7和R8中的碳原子总数不超过约10个碳原子; 并且其中R 9为氢或具有1至8个碳原子的任何烃基,金属氢氧化物和水溶性表面活性剂。

    Inhibiting corrosion
    6.
    发明授权
    Inhibiting corrosion 失效
    抑制腐蚀

    公开(公告)号:US4670163A

    公开(公告)日:1987-06-02

    申请号:US738729

    申请日:1985-05-29

    IPC分类号: C09K8/54 C23F11/04

    摘要: Halohydroxyalkylthio-substituted an dihydroxyalkylthio-substituted polycarboxylic acids and alkali metal salts thereof are effective corrosion inhibitors for various metal surfaces. In one embodiment, mineral acid compositions such as aqueous hydrochloric acid metal cleaning solutions exhibit diminished corrosiveness when corrosion inhibiting additives of the invention are present in the compositions.

    摘要翻译: 卤代羟基烷硫基取代的二羟基烷硫基取代的多元羧酸及其碱金属盐是各种金属表面的有效的缓蚀剂。 在一个实施方案中,当组合物中存在本发明的腐蚀抑制添加剂时,无机酸组合物如盐酸水溶液清洗溶液的腐蚀性降低。

    Ore flotation and sulfenyl dithiocarbamates as agents for use therein
    7.
    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。

    Rubber compositions
    8.
    发明授权
    Rubber compositions 失效
    橡胶组合物

    公开(公告)号:US4278585A

    公开(公告)日:1981-07-14

    申请号:US62390

    申请日:1979-07-31

    IPC分类号: C08K5/548 C08K9/06

    CPC分类号: C08K5/548

    摘要: This invention relates to novel sulfur-containing organosilicon compounds comprising substituted dithiocarbamates and substituted sulfenate esters and the use of these novel compounds as reinforcing promoters for silica-filled rubber compositions.

    摘要翻译: 本发明涉及包含取代的二硫代氨基甲酸酯和取代的次膦酸酯的新型含硫有机硅化合物,以及这些新化合物作为二氧化硅填充橡胶组合物的增强促进剂的用途。

    Preparation of alkyl mercaptocarboxylate/dialkyl thiodicarboxylate
mixture using sulfur and/or water cocatalyst
    9.
    发明授权
    Preparation of alkyl mercaptocarboxylate/dialkyl thiodicarboxylate mixture using sulfur and/or water cocatalyst 失效
    使用硫和/或水助催化剂制备巯基羧酸烷基酯/二烷基硫代二羧酸酯混合物

    公开(公告)号:US4232167A

    公开(公告)日:1980-11-04

    申请号:US966718

    申请日:1978-12-05

    申请人: Rector P. Louthan

    发明人: Rector P. Louthan

    摘要: An olefinically unsaturated alkyl carboxylate is reacted with hydrogen sulfide in the presence of a lower alkanol using an addition catalyst with water and/or sulfur cocatalyst to give an alkyl mercaptocarboxylate/dialkyl thiodicarboxylate mixture having a high proportion of the mercaptocarboxylate. If sulfur is contained in the cocatalyst, dialkyl dithiodicarboxylates are also formed. The resulting mixture on transesterification with a poly(oxyalkylene)-polyol gives a poly(oxyalkylene)-polyester-poly(monosulfide)-polythiol or a poly(oxyalkylene)-polyester-poly(monosulfide)-poly(disulfide)-polythiol having a good balance of properties.

    摘要翻译: 烯烃不饱和羧酸烷基酯在低级烷醇存在下与硫化氢反应,使用加成催化剂与水和/或硫助催化剂反应,得到具有高比例巯基羧酸酯的巯基羧酸烷基酯/二烷基硫代二羧酸烷基酯混合物。 如果助催化剂中含有硫,也形成二硫代二烷基二羧酸二烷基酯。 得到的与聚(氧化烯)多元醇酯交换的混合物得到聚(氧化烯) - 聚酯 - 聚(一硫化物) - 聚硫醇或聚(氧化烯) - 聚酯 - 聚(一硫化物) - 聚(二硫化物) - 聚硫醇,其具有 良好的财产平衡。

    Preparation of alkyl mercaptocarboxylate/dialkyl thiodicarboxylate
mixture using sulfur and/or water cocatalyst
    10.
    发明授权
    Preparation of alkyl mercaptocarboxylate/dialkyl thiodicarboxylate mixture using sulfur and/or water cocatalyst 失效
    使用硫和/或水助催化剂制备巯基羧酸烷基酯/二烷基硫代二羧酸酯混合物

    公开(公告)号:US4307225A

    公开(公告)日:1981-12-22

    申请号:US157583

    申请日:1980-06-09

    申请人: Rector P. Louthan

    发明人: Rector P. Louthan

    摘要: An olefinically unsaturated alkyl carboxylate is reacted with hydrogen sulfide in the presence of a lower alkanol using an addition catalyst with water and/or sulfur cocatalyst to give an alkyl mercaptocarboxylate/dialkyl thiodicarboxylate mixture having a high proportion of the mercaptocarboxylate. If sulfur is contained in the cocatalyst, dialkyl dithiodicarboxylates are also formed. The resulting mixture on transesterification with a poly(oxyalkylene)-polyol gives a poly(oxyalkylene)-polyester-poly(monosulfide)-polythiol or a poly(oxyalkylene)-polyester-poly(monosulfide)-poly(disulfide)-polythiol having a good balance of properties.

    摘要翻译: 烯烃不饱和羧酸烷基酯在低级烷醇存在下与硫化氢反应,使用加成催化剂与水和/或硫助催化剂反应,得到具有高比例巯基羧酸酯的巯基羧酸烷基酯/二烷基硫代二羧酸烷基酯混合物。 如果助催化剂中含有硫,也形成二硫代二烷基二羧酸二烷基酯。 得到的与聚(氧化烯)多元醇酯交换的混合物得到聚(氧化烯) - 聚酯 - 聚(一硫化物) - 聚硫醇或聚(氧化烯) - 聚酯 - 聚(一硫化物) - 聚(二硫化物) - 聚硫醇,其具有 良好的财产平衡。