Grignard processes with improved yields of diphenylchlorosilanes as products
    5.
    发明授权
    Grignard processes with improved yields of diphenylchlorosilanes as products 失效
    Grignard工艺具有提高的二苯基氯硅烷的产率作为产品

    公开(公告)号:US07456308B2

    公开(公告)日:2008-11-25

    申请号:US10585154

    申请日:2004-12-17

    IPC分类号: C07F7/04

    CPC分类号: C07F7/122 C07B49/00

    摘要: A Grignard process for preparing phenyl-containing chlorosilane products, in particular diphenylchlorosilanes, is carried out in three embodiments. In the first embodiment, the reactants of the Grignard process are a phenyl Grignard reagent, an ether solvent, a trichlorosilane, and an aromatic hydrocarbon coupling solvent. In the second embodiment, the reactants of the Grignard process are a phenyl Grignard reagent, an ether solvent, a phenylchlorosilane, and an aromatic hydrocarbon coupling solvent. In the third embodiment, the reactants of the Grignard process are a phenyl Grignard reagent, an ether solvent, a trichlorosilane, a phenylchlorosilane, and an aromatic hydrocarbon coupling solvent. In each embodiment, the reactants are present in a particular mole ratio.

    摘要翻译: 用于制备含苯基氯硅烷产物,特别是二苯基氯硅烷的格氏法是在三个实施方案中进行的。 在第一实施方案中,格氏法的反应物是苯基格氏试剂,醚溶剂,三氯硅烷和芳族烃偶合溶剂。 在第二实施方案中,格氏法的反应物是苯基格氏试剂,醚溶剂,苯基氯硅烷和芳族烃偶联溶剂。 在第三实施方案中,格氏法的反应物是苯基格氏试剂,醚溶剂,三氯硅烷,苯基氯硅烷和芳烃耦合溶剂。 在每个实施方案中,反应物以特定的摩尔比存在。

    Method of preparing silacycloalkanes
    6.
    发明授权
    Method of preparing silacycloalkanes 有权
    硅烷环烷烃的制备方法

    公开(公告)号:US06462214B1

    公开(公告)日:2002-10-08

    申请号:US10091920

    申请日:2002-03-05

    IPC分类号: C07F708

    CPC分类号: C07F7/083

    摘要: According to the present invention, a method of preparing a silacycloalkane, comprising the steps of (A) adding a substituted silacycloalkane having the formula: wherein X1 is —F, —Cl, —Br, or —OR1 and X2 is X1 or H, wherein R1 is C1-C8 hydrocarbyl, and n is 1, 2, or 3, to a suspension of lithium aluminum hydride in a glycol diether at a temperature not greater than 50° C. to form a mixture, wherein the glycol diether consists essentially of a linear arrangement of oxyalkylene units having formulae independently selected from —OCH2CH2—, —OCH2CH(CH3)—, and —OCH2CH(CH2CH3)—, and end-groups having the formulae —R2 and —OR2, wherein each R2 is independently selected from C1-C8 alkyl, phenyl, and C1-C8 alkyl-substituted phenyl, provided the glycol diether has a normal boiling point of at least 85° C. and a viscosity not greater than 3000 mm2/s at 25° C.; and (B) distilling the mixture under reduced pressure at a temperature not greater than 50° C. to remove the silacycloalkane.

    摘要翻译: 根据本发明,制备硅烷环烷的方法包括以下步骤:(A)加入具有下式的取代的硅环烷烃:其中X 1是-F,-Cl,-Br或-OR 1,X 2是X 1或H, 其中R 1为C 1 -C 8烃基,n为1,2或3,在氢化铝锂在乙二醇二醚中的温度不高于50℃的悬浮液中形成混合物,其中二醇二醚基本上组成 具有独立地选自-OCH 2 CH 2 - , - OCH 2 CH(CH 3) - 和-OCH 2 CH(CH 2 CH 3))的式的氧化烯单元的直链排列,以及具有式-R2和-OR2的端基,其中每个R 2独立地选自 苯基和C 1 -C 8烷基取代的苯基,条件是二醇二醚的标准沸点至少为85℃,粘度在25℃下不大于3000mm 2 / s。 和(B)在不低于50℃的温度下在减压下蒸馏混合物以除去硅烷环烷烃。

    Method of making silicone-organic block copolymers
    7.
    发明授权
    Method of making silicone-organic block copolymers 失效
    硅酮有机嵌段共聚物的制备方法

    公开(公告)号:US5789516A

    公开(公告)日:1998-08-04

    申请号:US826716

    申请日:1997-04-07

    CPC分类号: C08G77/442 C08F4/40

    摘要: A method of manufacturing block copolymers containing a polyorganosiloxane segment, by dual polymerization involving (i) polycondensation of a silicone block followed by (ii) the free radical polymerization of a monomer that can be polymerized by free radical polymerization, such as a vinyl containing organic monomer. Initiation of free radical polymerization in step (ii) is carried out with a carbonyl functional group attached to the silicone polymer block. The carbonyl functional silicone polymer, preferably an aldehyde functional silicone polymer, is included as one component of a copper-based Redox initiating system. The method ensures no free homopolymerization, complete reactivity, and various polymer architectures are possible, including for example, polymeric structures such as AB, ABA, (AB).sub.n, brush, and radiant types. The method is fast, effective, convenient, and easier to control than typical ionic polymerization techniques. The silicone-organic block copolymers obtained by the process have utility as polymeric surfactants or as solubility modifiers.

    摘要翻译: 通过双重聚合制造含有聚有机硅氧烷链段的嵌段共聚物的方法,包括(i)硅氧烷嵌段的缩聚,随后(ii)可通过自由基聚合反应的单体的自由基聚合,例如含乙烯基的有机物 单体。 在步骤(ii)中开始自由基聚合是用与硅氧烷聚合物嵌段连接的羰基官能团进行的。 羰基官能硅氧烷聚合物,优选醛官能的硅氧烷聚合物,作为铜基氧化还原引发体系的一个组分被包括在内。 该方法确保没有游离的均聚,完全的反应性,并且各种聚合物结构是可能的,包括例如聚合物结构如AB,ABA,(AB)n,刷和辐射型。 该方法比典型的离子聚合技术快速,有效,方便,易于控制。 通过该方法获得的硅氧烷 - 有机嵌段共聚物可用作聚合物表面活性剂或溶解度调节剂。

    Method of Making Branched Polysilane Copolymers
    10.
    发明申请
    Method of Making Branched Polysilane Copolymers 审中-公开
    支链聚硅烷共聚物的制备方法

    公开(公告)号:US20090124781A1

    公开(公告)日:2009-05-14

    申请号:US11884611

    申请日:2006-03-29

    IPC分类号: C08G77/00

    CPC分类号: C08G77/60

    摘要: Branched polysilane copolymers are prepared via a Wurtz-type coupling reaction by reacting a mixture of two different dihalosilanes and a single trihalosilane with an alkali metal coupling agent in an organic liquid medium. The branched polysilane copolymers are recovered from the reaction mixture. Capped branched polysilane copolymers are prepared via the same Wurtz-type coupling reaction with addition of a capping agent to the reaction mixture. The capping agent is a monohalosilane, monoalkoxysilane, dialkoxysilane, or trialkoxysilane. The branched polysilane copolymers and the capped branched polysilane copolymers are soluble in organic liquid medium.

    摘要翻译: 支化聚硅烷共聚物是通过Wurtz型偶合反应制备的,通过使两种不同的二卤代硅烷和单一的三卤代硅烷的混合物与碱金属偶联剂在有机液体介质中反应。 从反应混合物中回收支化聚硅烷共聚物。 通过在反应混合物中加入封端剂通过相同的Wurtz型偶联反应制备包覆的支化聚硅烷共聚物。 封端剂是单卤硅烷,单烷氧基硅烷,二烷氧基硅烷或三烷氧基硅烷。 支化聚硅烷共聚物和封端的支化聚硅烷共聚物可溶于有机液体介质。