Process to produce silyl ketene acetals
    4.
    发明授权
    Process to produce silyl ketene acetals 失效
    制备甲硅烷基乙烯酮缩醛的方法

    公开(公告)号:US4824981A

    公开(公告)日:1989-04-25

    申请号:US69750

    申请日:1987-07-06

    IPC分类号: C07F7/18 C07F7/08

    CPC分类号: C07F7/188

    摘要: A process for the preparation of silyl ketene acetals of the formulae, R.sup.1 R.sup.2 C=C(OR.sup.3)OSiR.sub.3.sup.4 and R.sup.1 R.sup.2 C=C[OSiR.sub.3.sup.4 ].sub.2,from the reaction of a malonate compound with a triorganohalosilane in the presence of an alkali metal. The malonate compounds are dialkyl dialkylmalonates, bis(trialkylsilyl) dialkylmalonates, and dialkylmalonic acids. The triorganohalosilane is present in stoichiometric excess relative to the malonate compounds. Silyl ketene acetals are isolated and separated.

    Process to produce O-silyl O,N-ketene acetals
    6.
    发明授权
    Process to produce O-silyl O,N-ketene acetals 失效
    制备O-甲硅烷基O,N-乙烯酮缩醛的方法

    公开(公告)号:US4824980A

    公开(公告)日:1989-04-25

    申请号:US239917

    申请日:1988-09-02

    IPC分类号: C07F7/18 C07F7/10

    CPC分类号: C07F7/1852

    摘要: A process for preparing O-silyl O,N-ketene acetals having the formula, ##STR1## The process comprises contacting an alpha-haloamide with an alkali metal in the presence of an excess of an organohalosilane, the alpha-haloamide having the formula, ##STR2## the organohalosilane having the formula,R.sub.n SiX.sub.4-n ;and facilitating reaction among the alpha-haloamide, the alkali metal, and the organohalosilane to form the O-silyl O,N-ketene acetal and alkali metal halides.

    Hot-melt silicone pressure sensitive adhesive with siloxylated
allyloxypropane diol copolymers as additives
    7.
    发明授权
    Hot-melt silicone pressure sensitive adhesive with siloxylated allyloxypropane diol copolymers as additives 失效
    具有硅氧烷基化烯丙氧基丙烷二醇共聚物的热熔硅胶压敏粘合剂作为添加剂

    公开(公告)号:US5371128A

    公开(公告)日:1994-12-06

    申请号:US181505

    申请日:1994-01-14

    CPC分类号: A61K9/7069 C09J183/04

    摘要: The instant invention pertains to a hot-melt pressure sensitive adhesive composition wherein the composition is comprised of a mixture of (i) a silicone resin and (ii) a silicone fluid, the mixture exhibiting tackiness and adhesiveness, the mixture being blended with (B) from about 1.0 to 20 weight percent, based on the total weight of the mixture of (i) and (ii), of a siloxylated allyloxypropane diol copolymer. The instant invention also encompasses method of using the composition, methods of making hot-melt silicone pressure sensitive adhesive-coated substrates, and devices made using the composition.

    摘要翻译: 本发明涉及一种热熔压敏粘合剂组合物,其中组合物由(i)硅树脂和(ii)硅氧烷流体的混合物组成,该混合物显示粘性和粘合性,该混合物与(B )为约1.0至20重量%,基于(i)和(ii)的混合物的总重量,酯化烯丙氧基丙烷二醇共聚物。 本发明还包括使用该组合物的方法,制备热熔性硅氧烷压敏粘合剂涂覆的基材的方法,以及使用该组合物制备的装置。

    Method for controlling hydrosilylation in a reaction mixture
    9.
    发明授权
    Method for controlling hydrosilylation in a reaction mixture 失效
    控制反应混合物中氢化硅烷化的方法

    公开(公告)号:US5359111A

    公开(公告)日:1994-10-25

    申请号:US99783

    申请日:1993-07-30

    摘要: This invention discloses a method of controlling hydrosilylations in a reaction mixture by controlling the solution concentration of oxygen in the reaction mixture, relative to any platinum present in the reaction mixture. This invention further discloses a method for controlling isomerization in linear or branched alkenyl compounds having at least 4 carbon atoms during a hydrosilylation reaction by introducing a controlled amount of oxygen into the alkenyl compounds during the hydrosilylation. This invention further discloses a method for producing dicycloalkylsubstituted silanes by reacting a halo-or alkoxy-silane with a unsaturated cycloalkenyl compound in the presence of oxygen and a hydrosilylation catalyst.

    摘要翻译: 本发明公开了通过控制反应混合物中氧的溶液浓度相对于反应混合物中存在的任何铂来控制反应混合物中的氢化硅烷化反应的方法。 本发明进一步公开了一种通过在氢化硅烷化反应期间将受控量的氧引入烯基化合物中,在氢化硅烷化反应过程中控制具有至少4个碳原子的直链或支链烯基化合物异构化的方法。 本发明进一步公开了一种通过在氧气和氢化硅烷化催化剂存在下使卤代烷氧基硅烷与不饱和环烯基化合物反应制备二环烷基取代硅烷的方法。