Tunable polymer compositions
    4.
    发明授权
    Tunable polymer compositions 有权
    可调聚合物组合物

    公开(公告)号:US08575245B2

    公开(公告)日:2013-11-05

    申请号:US13141532

    申请日:2009-12-18

    摘要: The present invention provides polycarbonate compositions having a tunable decomposition temperature. Suitable cationic additives (e.g., phosphonium, phosphazene, quaternary ammonium, guanidinium, pyridinium, arsonium, etc.) are disclosed for lowering the decomposition temperature of polymer compositions. The invention further provides methods of preparing such polymer compositions with tunable decomposition temperatures.

    摘要翻译: 本发明提供具有可调分解温度的聚碳酸酯组合物。 公开了适合的阳离子添加剂(例如鏻,磷腈,季铵,胍,吡啶鎓,ium等)以降低聚合物组合物的分解温度。 本发明还提供了制备具有可调分解温度的聚合物组合物的方法。

    Preparation of tris (pentafluorophenyl) borane
    5.
    发明授权
    Preparation of tris (pentafluorophenyl) borane 失效
    三(五氟苯基)硼烷的制备

    公开(公告)号:US5744646A

    公开(公告)日:1998-04-28

    申请号:US832150

    申请日:1997-04-02

    IPC分类号: C07F5/02

    CPC分类号: C07F5/027

    摘要: A process for preparing tris(pentafluorophenyl)borane, the steps of the process comprising: a) forming a pentafluorophenyl metal compound wherein the metal is selected from Group 11 or 12; contacting the (pentafluorophenyl) metal compound from step a) with a boron halide compound to form tris (pentafluorophenyl)borane; and c) recovering the resulting tris(pentafluorophenyl)borane.

    摘要翻译: 一种制备三(五氟苯基)硼烷的方法,所述方法的步骤包括:a)形成其中金属选自11或12族的五氟苯基金属化合物; 使来自步骤a)的(五氟苯基)金属化合物与卤化硼化合物接触形成三(五氟苯基)硼烷; 和c)回收所得的三(五氟苯基)硼烷。

    Thermal method and apparatus
    7.
    发明授权
    Thermal method and apparatus 失效
    热法和仪器

    公开(公告)号:US06703246B1

    公开(公告)日:2004-03-09

    申请号:US10018668

    申请日:2001-12-12

    IPC分类号: G01N2520

    CPC分类号: G01N25/482 G01N25/4873

    摘要: A thermal method for studying chemical responses, such as catalyzed polymerization reactions that includes the following three steps. The first step is to flow a chemical substance through a conduit, the conduit being in thermal communication with an electrical conductor, the electrical conductor being co-linear with the conduit, the electrical resistance of the electrical conductor being a function of the temperature of the electrical conductor. A length of stainless steel tubing can be used as both the conduit and the conductor. The second step is to flow electricity through the electrical conductor during the first step. The third step is to measure the electrical resistance of the electrical conductor during the second step to determine any change in the temperature of the conduit caused by a response of the chemical substance. An apparatus for studying chemical reactions that includes: a first conduit, the first conduit being an electrical conductor, the first conduit having a first end and a second end, the electrical resistance of the first conduit being a function of the temperature of the first conduit; a source of electricity, the source of electricity in electrical communication with the first conduit so that electricity can be flowed through the first conduit; a volt meter in electrical communication with the first conduit so that the voltage measured by the volt meter is an indication of the temperature of the first conduit.

    摘要翻译: 用于研究化学反应的热法,例如催化聚合反应,其包括以下三个步骤。 第一步是通过导管流出化学物质,导管与电导体热连通,电导体与导管共线,电导体的电阻是温度的函数 电导体。 一段不锈钢管可用作管道和导体。 第二步是在第一步中通过电导体流动电力。 第三步是测量在第二步骤期间电导体的电阻,以确定由化学物质的响应引起的导管温度的任何变化。 一种用于研究化学反应的装置,包括:第一导管,第一导管是电导体,第一导管具有第一端和第二端,第一导管的电阻是第一导管的温度的函数 ; 电源,与第一导管电连通的电源,使得电能够通过第一导管流动; 与第一导管电连通的电压表,使得由电压表测量的电压是第一导管的温度的指示。

    Catalyst activators comprising expanded anions
    8.
    发明授权
    Catalyst activators comprising expanded anions 有权
    包含膨胀阴离子的催化剂活化剂

    公开(公告)号:US06462156B2

    公开(公告)日:2002-10-08

    申请号:US10097395

    申请日:2002-03-13

    IPC分类号: B01J31100

    摘要: Catalyst compositions comprising a group 4 metal complex and an activator corresponding to the formula: (A*+a)b(Z*J*j)−cd, wherein: A* is a cation of charge +a, selected from the group consisting of ammonium-, sulfonium-, phosphonium-, oxonium-, carbonium-, silylium-, ferrocenium-, Ag+, and Pb+2; Z* is an anion group of from 1 to 50 atoms, not counting hydrogen atoms, further containing two or more Lewis base sites as defined in the claims; J* independently each occurrence is a Lewis acid coordinated to at least one Lewis base site of Z*, and optionally two or more such J* groups may be joined together in a moiety having multiple Lewis acidic functionality, j is a number from 2 to 12 and a, b, c, and d are integers from 1 to 3, with the proviso that a×b is equal to c×d.

    摘要翻译: 催化剂组合物,其包含4族金属络合物和对应于下式的活化剂:其中:A *是电荷阳离子+ a,选自铵 - ,锍 - ,鏻 - ,氧鎓 - ,碳鎓 - ,甲硅烷基 - ,二茂铁 - ,Ag +和Pb + 2; Z *是1至50个原子的阴离子基团,不计算氢原子,还包含如权利要求中定义的两个或更多个路易斯碱基位点; J * 与Z *的至少一个Lewis碱基配位的路易斯酸和任选的两个或更多个这样的J *基团可以在具有多个路易斯酸官能团的部分中连接在一起,j是2至12的数,a,b,c ,d为1〜3的整数,条件是axb等于cxd。

    Catalyst activators comprising expanded anions
    9.
    发明授权
    Catalyst activators comprising expanded anions 有权
    包含膨胀阴离子的催化剂活化剂

    公开(公告)号:US06395671B2

    公开(公告)日:2002-05-28

    申请号:US09823650

    申请日:2001-04-02

    IPC分类号: B01J3000

    摘要: A compound useful as a catalyst activator corresponding to the formula: (A*+a)b(Z*J*j)−cd, wherein: A* is a cation of charge +a, Z* is an anion group of from 1 to 50 atoms not counting hydrogen atoms, further containing two or more Lewis base sites; J* independently each occurrence is a Lewis acid coordinated to at least one Lewis base site of Z*, and optionally two or more such J* groups may be joined together in a moiety having multiple Lewis acidic functionality, j is a number from 2 to 12 and a, b, c, and d are integers from 1 to 3, with the proviso that a×b is equal to c×d.

    摘要翻译: 对应于下式,可用作催化剂活化剂的化合物:其中:A *是电荷阳离子,a * Z是不计数氢原子的1至50个原子的阴离子基团,还含有两个或更多个路易斯碱基位点; J *各自独立地为与Z *的至少一个路易斯碱碱基配位的路易斯酸,并且任选地两个或更多个这样的J *基团可以在具有多个路易斯酸官能团的部分中连接在一起,j是从2到 12和a,b,c和d是1至3的整数,条件是axb等于cxd。