Stable ferrofluid compositions and method of making same
    3.
    发明授权
    Stable ferrofluid compositions and method of making same 失效
    稳定的铁磁流体组合物及其制备方法

    公开(公告)号:US4356098A

    公开(公告)日:1982-10-26

    申请号:US187317

    申请日:1980-09-15

    申请人: Mark S. Chagnon

    发明人: Mark S. Chagnon

    CPC分类号: G01N27/84 H01F1/44

    摘要: A stable liquid composition which comprises a colloidal dispersion of finely-divided particles in a liquid silicone-oil carrier and a dispersing amount of a surfactant, which surfactant comprises a silicone-oil surfactant containing a functional group which forms a chemical bond with the surface of the particles and a tail group which is soluble in the silicone-oil carrier, to provide a stable ferrofluid composition.

    摘要翻译: 一种稳定的液体组合物,其包含在液体硅油载体中的细碎颗粒的胶态分散体和表面活性剂的分散量,该表面活性剂包含含有与表面形成化学键的官能团的硅油表面活性剂 颗粒和可溶于硅油载体中的尾料基团,以提供稳定的铁磁流体组合物。

    Silicone compositions having improved spray flammability resistance
    9.
    发明授权
    Silicone compositions having improved spray flammability resistance 失效
    具有改进的喷雾耐燃性的硅酮组合物

    公开(公告)号:US4155864A

    公开(公告)日:1979-05-22

    申请号:US837983

    申请日:1977-09-29

    申请人: William H. Martin

    发明人: William H. Martin

    摘要: Silicone compositions having improved spray flammability resistance comprising a major amount of poly(dimethylsiloxane) fluid and a minor amount of a poly(diorganosiloxane) polymer; a process for improving the spray flammability resistance of poly(dimethylsiloxane) fluids; and improved electrical devices the improvement comprising employing as the liquid dielectric composition of such devices said silicone compositions.

    摘要翻译: 含有大量聚(二甲基硅氧烷)流体和少量聚(二有机硅氧烷)聚合物的具有改进的喷雾可燃性的硅酮组合物; 改善聚(二甲基硅氧烷)流体的喷雾耐燃性的方法; 和改进的电气装置,其改进包括采用这种装置的液体电介质组合物所述的硅氧烷组合物。

    Hydrocarbonoxy-containing silicone fluids useful as hydraulic fluids
    10.
    发明授权
    Hydrocarbonoxy-containing silicone fluids useful as hydraulic fluids 失效
    含烃氧基的硅氧烷流体可用作液压油

    公开(公告)号:US4056546A

    公开(公告)日:1977-11-01

    申请号:US710090

    申请日:1976-07-30

    摘要: A silicone polymer fluid useful as a brake fluid comprising a polymer or monomer having 0 to 100 mole percent of polymeric or monomeric units selected from R.sub.2 Si(OM).sub.2 units, ##STR1## AND R.sub.2 SiO units, 0 to 100 mole percent of polymeric and monomeric units selected from RSi(OM).sub.3 units, ##STR2## AND RSiO.sub.3/2 units, 0 to 10 mole percent of units selected from the class consisting of (MO).sub.3 SiO.sub.1/2 units, (MO).sub.2 SiO units, (MO)SiO.sub.3/2 units and SiO.sub.2 units and 0 to 5 mole percent of units selected from R.sub.3 SiO.sub.1/2 units wherein the viscosity of the polymer may vary from 2 to 400 centistokes at 25.degree. R is a monovalent hydrocarbon radical, M is selected from alkyl, alkoxy, alkylene, alkoxyalkyleneoxyalkylene and alkyl polyether substituent radicals, wherein the preferred substituent for M is 2-methoxy-2-ethoxy-ethylene or higher and R is preferably methyl.

    摘要翻译: 可用作制动流体的硅氧烷聚合物流体,其包含具有0至100摩尔%的选自R 2 Si(OM)2单元,R 2 SiO 2单元,0至100摩尔%的聚合物和单体的聚合物或单体单元的聚合物或单体 选自RSi(OM)3单元,和RSiO3 / 2单元的单元,选自(MO)3SiO1 / 2单元,(MO)2SiO单元,(MO)SiO 3 / 2单元和SiO 2单元和0-5摩尔%的选自R3SiO1 / 2单元的单元,其中在25℃下聚合物的粘度可以在2至400厘沲之间变化是单价烃基,M选自烷基,烷氧基 ,亚烷基,烷氧基亚烷氧基亚烷基和烷基聚醚取代基,其中M的优选取代基是2-甲氧基-2-乙氧基 - 乙烯或更高,R优选是甲基。