Purification of trimethylsilanol
    1.
    发明授权

    公开(公告)号:US12084466B1

    公开(公告)日:2024-09-10

    申请号:US18470776

    申请日:2023-09-20

    Inventor: Dakota Even

    CPC classification number: C07F7/0836 C07F7/20

    Abstract: Methods, systems, and computer-readable media for purification of trimethylsilanol (TMSOH) from a hexamethyldisiloxane (HMDSO) impurity present within an initial feedstock material. A salt-out assisted liquid-liquid extraction (SALLE) process may be used including adding an extraction solution, extracting the HMDSO impurity, and separating/washing to remove the extraction solution and water from the feedstock such that an increased purity product is provided.

    ULTRAVIOLET RAY IRRADIATION DEVICE, AND METHOD FOR PURIFYING ORGANIC COMPOUND

    公开(公告)号:US20240199515A1

    公开(公告)日:2024-06-20

    申请号:US18287807

    申请日:2022-04-19

    CPC classification number: C07C29/74 C07F7/20

    Abstract: Provided is an ultraviolet ray irradiation device, in which a flow tube through which a substance to be irradiated with ultraviolet ray flows is wound in a spiral manner around a bar-shaped ultraviolet ray source. Also provided is a method for purifying an organic compound that contains an organic lead compound as an impurity, the method comprising: a step for irradiating the organic compound with ultraviolet ray using the ultraviolet ray irradiation device; and a step for removing a lead component that is generated as the result of the irradiation of the organic lead compound with the ultraviolet ray from the organic compound.

    PROCESS FOR PREPARING AN ACRYLOYLOXYSILANE
    4.
    发明申请

    公开(公告)号:US20180155371A1

    公开(公告)日:2018-06-07

    申请号:US15567272

    申请日:2016-06-17

    CPC classification number: C07F7/20 C07F7/1804

    Abstract: A process for preparing an acryloyloxysilane, comprising: reacting a metal salt of a carboxylic acid having the formula [CR22═CR1CO−]aMa+ (I), with a haloorganoalkoxysilane having the formula XR3Si(OR4)nR53-n (II) at a temperature of from 50 to 160° C. and in the presence of a catalyst, and in the presence of water, an alcohol comprising 1 to 5 carbon atoms, or a combination of water and an alcohol comprising 1 to 5 carbon atoms, to form a mixture comprising an acryloyloxysilane and a metal halide having the formula Ma+X−a (III), wherein R1 is H, R7COO−Ma+, or C1-C6 hydrocarbyl, each R2 is independently R1 or [COO−]Ma+, Ma+ is an alkali metal cation or alkaline earth metal cation, a is 1 or 2, X is halo, R3 is C1-C6 hydrocarbylene, each R4 is independently C1-C10 hydrocarbyl, each R5 is independently R1 and n is an integer from 1 to 3.

    Purification of chlorosilanes using chromatography
    5.
    发明授权
    Purification of chlorosilanes using chromatography 有权
    使用色谱法纯化氯硅烷

    公开(公告)号:US09321793B2

    公开(公告)日:2016-04-26

    申请号:US14400575

    申请日:2013-05-01

    CPC classification number: C07F7/20 B01D15/185 B01D15/322 B01D15/325

    Abstract: The present invention relates to a method for separating organohalosilanes. The method includes introducing a mixture including at least a first organohalosilane and a second organohalosilane onto a chromatographic bed including a stationary phase. The method also includes passing a liquid mobile phase through the chromatographic bed to produce an eluate including at least one fraction enriched in the first organohalosilane and at least one fraction enriched in the second organohalosilane.

    Abstract translation: 本发明涉及一种分离有机卤代硅烷的方法。 该方法包括将包含至少第一有机卤硅烷和第二有机卤代硅烷的混合物引入到包含固定相的色谱床上。 该方法还包括使液体流动相通过色谱床以产生包含富含第一有机卤代硅烷的至少一个级分和富含第二有机卤代硅烷的至少一个级分的洗脱液。

    Method for refining trimethylsilane
    6.
    发明授权
    Method for refining trimethylsilane 有权
    三甲基硅烷精制方法

    公开(公告)号:US09073953B2

    公开(公告)日:2015-07-07

    申请号:US14380079

    申请日:2013-01-16

    CPC classification number: C07F7/20 C07F7/0896

    Abstract: Disclosed is a method for refining trimethylsilane, including the steps of (1) preparing an activated carbon loaded with at least copper (II) oxide and zinc oxide; (2) adsorbing a trimethylsilane onto the activated carbon; and (3) bringing a trimethylsilane containing silane, methylsilane or dimethylsilane as an impurity into contact with the activated carbon finished with the step (2) to remove the impurity from the trimethylsilane by adsorbing the impurity. According to this method, heat generation of the activated carbon is suppressed and impurities such as dimethylsilane, etc. can be removed efficiently.

    Abstract translation: 公开了一种精制三甲基硅烷的方法,包括以下步骤:(1)制备负载至少氧化铜(II)和氧化锌的活性炭; (2)将三甲基硅烷吸附在活性炭上; 和(3)使含有硅烷,甲基硅烷或二甲基硅烷的三甲基硅烷作为杂质与步骤(2)完成的活性炭接触,通过吸附杂质从三甲基硅烷中除去杂质。 根据该方法,能够抑制活性炭的发热,有效地除去二甲基硅烷等杂质。

    Process for removing an impurity from a siloxane
    7.
    发明授权
    Process for removing an impurity from a siloxane 有权
    从硅氧烷中除去杂质的方法

    公开(公告)号:US08937196B2

    公开(公告)日:2015-01-20

    申请号:US13877468

    申请日:2011-11-14

    Abstract: A process for removing an impurity from a siloxane comprising i) flowing a first liquid through a fiber bundle comprising a plurality of fibers extending lengthwise in a conduit, wherein the bundle has an upstream end and a downstream end, and the first liquid flows in a direction from the upstream end of the bundle to the downstream end; and ii) while continuing (i), flowing a second liquid comprising a siloxane and an impurity through the fiber bundle in a direction from the upstream end of the bundle to the downstream end of the bundle to effect transfer of at least a portion of the impurity from the second liquid to the first liquid, wherein the first liquid and the second liquid are substantially immiscible.

    Abstract translation: 一种从硅氧烷中除去杂质的方法,包括:i)使第一液体流过纤维束,所述纤维束包括在管道中纵向延伸的多根纤维,其中所述束具有上游端和下游端,并且所述第一液体流入 方向从束的上游端到下游端; 和ii)同时继续(i)使包含硅氧烷和杂质的第二液体沿着从束的上游端到束的下游端的方向流过纤维束,以实现至少一部分 从第二液体到第一液体的杂质,其中第一液体和第二液体基本上是不混溶的。

    Removal of extraneous metals from silicon compounds by adsorption and/or filtration
    10.
    发明授权
    Removal of extraneous metals from silicon compounds by adsorption and/or filtration 有权
    通过吸附和/或过滤从硅化合物中去除外来金属

    公开(公告)号:US08476468B2

    公开(公告)日:2013-07-02

    申请号:US13121702

    申请日:2009-10-13

    CPC classification number: C07F7/20

    Abstract: The invention relates to a process for treating a composition containing silicon compounds, especially organosilanes and/or inorganic silanes, and at least one extraneous metal and/or a compound containing extraneous metal, wherein the composition is contacted with at least one adsorbent and/or a first filter and then a composition in which the content of the extraneous metal and/or of the compound containing extraneous metal has been reduced is obtained. The invention further relates to the use of organic resins, activated carbon, silicates and/or zeolites and/or else of at least one filter with small pore sizes to reduce the level of the compounds mentioned.

    Abstract translation: 本发明涉及一种处理包含硅化合物,特别是有机硅烷和/或无机硅烷的组合物和至少一种外来金属和/或含有外来金属的化合物的方法,其中所述组合物与至少一种吸附剂和/或 然后获得第一过滤器,然后获得其中外来金属和/或含有外来金属的化合物的含量已经被还原的组合物。 本发明还涉及使用有机树脂,活性炭,硅酸盐和/或沸石和/或至少一种具有小孔径的过滤器以降低所述化合物的含量。

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