Thioamides, their preparation and uses
    7.
    发明授权
    Thioamides, their preparation and uses 失效
    硫胺,其制备和用途

    公开(公告)号:US4618416A

    公开(公告)日:1986-10-21

    申请号:US787449

    申请日:1985-10-15

    IPC分类号: B03D1/012 C07D213/40 B03D1/14

    摘要: The froth flotation of a metal sulfide mineral is carried out using a thioamide as the collector in which the thioamide is of the formula ##STR1## R designating C.sub.5 to C.sub.17 alkyls, R' being H or (CH.sub.2).sub.n OR" and n an integer of 1 to 6, while Z is --OR" or ##STR2## where R" means H, CH.sub.3 or C.sub.2 H.sub.5.

    摘要翻译: 使用硫代酰胺作为收集器进行金属硫化物矿物的泡沫浮选,其中硫代酰胺具有式为C 5 -C 17烷基,R'为H或(CH 2)nOR“,n为整数 为1至6,而Z为-OR“或”IMAGE“,其中R”表示H,CH 3或C 2 H 5。

    Antioxidant polyolefin compositions
    9.
    发明授权
    Antioxidant polyolefin compositions 失效
    抗氧化聚烯烃组合物

    公开(公告)号:US5229444A

    公开(公告)日:1993-07-20

    申请号:US745579

    申请日:1991-08-15

    CPC分类号: C08K5/58

    摘要: Antioxidant-containing polyolefin composition containing a polyolefin and an antioxidant compound having the general formula: ##STR1## wherein R, R', X and Y are the same or different and are selected from alkyl, phenyl, cyclohexyl, a mono or polyfunctional carboxylic acid ester, hydroxyalkyl, and aralkyl, which groups may be unsubstituted or substituted, linear or branched, or cyclic, and p indicates a degree of polymerization and is at least 2.

    摘要翻译: 含有聚烯烃和抗氧化剂化合物的抗氧化剂聚烯烃组合物具有以下通式:其中R,R',X和Y相同或不同,并且选自烷基,苯基,环己基,单官能或多官能羧酸 酯,羟烷基和芳烷基,这些基团可以是未取代或取代的,直链或支链或环状的,p表示聚合度,至少为2。