Polycarbonate-polyorganosiloxane copolymer and method for continuously manufacturing the same
    2.
    发明专利
    Polycarbonate-polyorganosiloxane copolymer and method for continuously manufacturing the same 有权
    聚碳酸酯 - 聚硅氧烷共聚物及其连续制造方法

    公开(公告)号:JP2014015498A

    公开(公告)日:2014-01-30

    申请号:JP2012151903

    申请日:2012-07-05

    Abstract: PROBLEM TO BE SOLVED: To provide a method for continuously manufacturing a polycarbonate-polyorganosiloxane copolymer with a carbon tetrachloride concentration of below 4 ppm.mass.SOLUTION: This continuous manufacturing method comprises: a step A of continuously or intermittently removing, from a reactor, a polymerization reaction liquid obtained by polymerizing a carbonate precursor and a polyorganosiloxane in the presence of an aqueous alkaline compound solution and a water-insoluble organic solvent; a step B of separating the polymerization reaction liquid into an aqueous phase and a water-insoluble organic solvent phase; a step C of washing and then separating the water-insoluble organic solvent phase into an aqueous phase and a water-insoluble organic solvent phase; a step D of condensing the water-insoluble organic solvent phase; and a step E of partially or entirely recovering and then distilling and purifying the water-insoluble organic solvent; the water-insoluble organic solvent of the step E is recycled as the water-insoluble organic solvent of the step A or as the aqueous phase extracting solvent of the step B or as both, and the distilling purification at the step E is executed while the copolymer concentration within the bottom liquid of the distillation column is being controlled at 6 mass% or below.

    Abstract translation: 要解决的问题:提供连续制造四氯化碳浓度低于4ppm.mass的聚碳酸酯 - 聚有机硅氧烷共聚物的方法。该连续制造方法包括:从反应器连续或间歇地除去的步骤A, 在碱性化合物水溶液和水不溶性有机溶剂的存在下使碳酸酯前体和聚有机硅氧烷聚合而得到的聚合反应液; 将聚合反应液分离成水相和水不溶性有机溶剂相的工序B; 洗涤步骤C,然后将水不溶性有机溶剂相分离成水相和水不溶性有机溶剂相; 冷凝水不溶性有机溶剂相的步骤D; 和部分或全部回收然后蒸馏和纯化水不溶性有机溶剂的步骤E; 将步骤E的水不溶性有机溶剂作为步骤A的水不溶性有机溶剂或作为步骤B的水相萃取溶剂或两者都循环,并且在步骤E中进行蒸馏纯化,同时 蒸馏塔底部液体中的共聚物浓度控制在6质量%以下。

    ポリシラン化合物の製造方法

    公开(公告)号:JPWO2009142161A1

    公开(公告)日:2011-09-29

    申请号:JP2010513005

    申请日:2009-05-15

    CPC classification number: C08G77/60 C08G77/08 C08G77/34

    Abstract: アルカリ金属塩やアルカリ土類金属塩等の副生物を効率的に除去でき、高純度のポリジメチルシランやポリジフェニルシランを容易に製造する方法を提供する。ジメチルジクロロシランまたはジフェニルジクロロシランと、金属ナトリウムや金属マグネシウムなどのアルカリ金属および/またはアルカリ土類金属とを、トルエンなどの有機溶媒中で反応させて粗ポリジメチルシランまたは粗ポリジフェニルシランを得、該粗ポリジメチルシランまたは粗ポリジフェニルシランにエーテルエステル型非イオン界面活性剤やアルキルベンゼンスルホン酸塩などの界面活性剤を溶解したメタノールを添加して残存するアルカリ金属およびアルカリ土類金属を失活させ、次いで界面活性剤の存在下に水洗浄することによって、アルカリ金属塩やアルカリ土類金属塩等を効率的に除去し、高純度のポリジメチルシランまたはポリジフェニルシランを得る。

    Method for producing low-odor glycerol derivative-modified silicone or composition containing the same
    9.
    发明专利
    Method for producing low-odor glycerol derivative-modified silicone or composition containing the same 有权
    生产低气味甘油衍生改性硅氧烷或其组合物的方法

    公开(公告)号:JP2013151658A

    公开(公告)日:2013-08-08

    申请号:JP2012277498

    申请日:2012-12-19

    Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a low-odor glycerol derivative-modified silicone, a large amount of which can be inexpensively simply and at one time treated for low odor, and which exhibits little odor and is suppressed in scenting during formulation and over time; and to provide an external preparation, a cosmetic and a raw material thereof containing the low-odor glycerol derivative-modified silicone produced by the method.SOLUTION: There are provided: a method for producing a low-odor glycerol derivative-modified silicone or a composition containing the same, the method including a step of treating a glycerol derivative-modified silicone or a composition containing the glycerol derivative-modified silicone with at least one acidic inorganic salt which is solid at 25°C and water-soluble and has a pH at 25°C of ≤4 when 50 g of the salt is dissolved in 1 L of ion-exchange water; and an external preparation, a cosmetic and a raw material thereof containing the low-odor glycerol derivative-modified silicone produced by the method.

    Abstract translation: 要解决的问题:提供一种生产低气味甘油衍生物改性硅氧烷的方法,其大量的成本可以廉价地简单地并且一次被处理以用于低气味,并且显示出很少的气味并且在气味中抑制了气味 制剂和时间; 并提供含有通过该方法制备的低气味甘油衍生物改性聚硅氧烷的外用剂,化妆品及其原料。提供了一种生产低气味甘油衍生物改性有机硅或 含有该组合物的组合物,该方法包括用至少一种酸性无机盐处理甘油衍生物改性的硅氧烷或含有甘油衍生物改性的硅氧烷的组合物的步骤,所述酸性无机盐在25℃下为固体且具有水溶性并具有pH 当将50g盐溶解在1L离子交换水中时,在25℃下≤4; 以及含有通过该方法制造的低气味甘油衍生物改性聚硅氧烷的外用剂,化妆品及其原料。

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