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12 条记录 (耗时 0.012 秒)

    Process for the production of chlorinated and/or fluorinated propenes
    2.
    发明授权
    Process for the production of chlorinated and/or fluorinated propenes 有权
    用于生产氯化和/或氟化丙烯的方法

    公开(公告)号：US08581011B2

    公开(公告)日：2013-11-12

    申请号：US12900810

    申请日：2010-10-08

    申请人： Max M. Tirtowidjojo ,  Debashis Chakraborty ,  Juergen Eiffler ,  Kurt F. Hirsekorn ,  William J. Kruper, Jr.

    发明人： Max M. Tirtowidjojo ,  Debashis Chakraborty ,  Juergen Eiffler ,  Kurt F. Hirsekorn ,  William J. Kruper, Jr.

    IPC分类号： C07C21/18

    CPC分类号： C07C17/10 ,  C07C17/202 ,  C07C17/269 ,  C07C21/18 ,  C07C21/04

    摘要： The present invention provides one-step processes for the production of chlorinated and/or fluorinated propenes. The processes provide good product yield with low, e.g., less than about 20%, or even less than 10%, concentrations of residues/by-products. Advantageously, the processes may be conducted at low temperatures than 500° C. so that energy savings are provided, and/or at higher pressures so that high throughputs may also be realized. The use of catalysts or initiators may provide additional enhancements to conversion rates and selectivity, as may adjustments to the molar ratio of the reactants.

    摘要翻译： 本发明提供用于生产氯化和/或氟化丙烯的一步法。 该方法提供良好的产物收率，具有低，例如小于约20％，或甚至低于10％的残余物/副产物浓度。 有利地，该方法可以在低于500℃的低温下进行，从而提供节能和/或在更高的压力下，从而也可以实现高通量。 催化剂或引发剂的使用可以提供对转化率和选择性的额外增强，如可以调节反应物的摩尔比。

    Preparing copolymers of carboxylic acid, aromatic vinyl compound and hydrophobic polyalkylene oxide
    3.
    发明授权
    Preparing copolymers of carboxylic acid, aromatic vinyl compound and hydrophobic polyalkylene oxide 失效
    制备疏水改性的低阻燃共聚物的方法，疏水改性的低阻燃共聚物及其作为水泥添加剂的用途

    公开(公告)号：US06528593B1

    公开(公告)日：2003-03-04

    申请号：US09762853

    申请日：2001-02-14

    申请人： Juergen Eiffler ,  Christoph Froehlich ,  Kerstin Stranimaier

    发明人： Juergen Eiffler ,  Christoph Froehlich ,  Kerstin Stranimaier

    IPC分类号： C04B702

    CPC分类号： C04B24/2641 ,  C04B24/32 ,  C08G65/332 ,  C08L71/02

    摘要： A process for the preparation of a copolymer comprises reacting in an aqueous medium at a temperature of from 25° C. to 100° C. in the presence of from 1.0-25 weight percent based on the total weight of a), b) and c) of a free-radical initiator, a) at least one monomer selected from the group consisting of &agr;,&bgr;-unsaturated monocarboxylic acids and their salts, &agr;,&bgr;-unsaturated dicarboxylic acids, their half-esters free of polyoxyalkylene side chains and their salts, b) at least on olefinic monomer selected from the group consisting of aromatic vinyl compounds, vinyl ethers, vinyl esters, nitrogen-containing vinyl compounds and aliphatic olefins, and c) from 0.01 to 30 weight percent based on the total amount of a), b) and c) of at least one hydrophobic compound free of olefinic unsaturation containing units of the formula: wherein R1 is independently at each occurrence selected from the group consisting of hydrogen and C1-C4 alkyl, with the proviso that at least one R1 is selected from the group consisting of C1-C4 alkyl.

    摘要翻译： 制备共聚物的方法包括在水介质中在25℃至100℃的温度下，以1.0-25％（重量）a），b）和 c）自由基引发剂，a）至少一种选自α，β-不饱和一元羧酸及其盐的单体，α，β-不饱和二羧酸，它们不含聚氧化烯侧链的半酯和 其盐，b）至少在选自芳族乙烯基化合物，乙烯基醚，乙烯基酯，含氮乙烯基化合物和脂族烯烃的烯烃单体，和c）基于总量的0.01至30重量％ ），b）和c）至少一种不含烯属不饱和键的含有下式的单元的疏水性化合物：其中R 1在每次出现时独立地选自氢和C 1 -C 4烷基，条件是至少一个 R1是sel 由C1-C4烷基组成的组。

    Polycarbonate preparation process
    6.
    发明授权
    Polycarbonate preparation process 失效
    聚碳酸酯制备工艺

    公开(公告)号：US06225436B1

    公开(公告)日：2001-05-01

    申请号：US09544744

    申请日：2000-04-07

    申请人： Juergen Eiffler ,  Guenter A. Jueptner

    发明人： Juergen Eiffler ,  Guenter A. Jueptner

    IPC分类号： C08G6400

    CPC分类号： C08G64/24 ,  C08G64/14

    摘要： Disclosed is a polycarbonate composition and process from making same, wherein introduction of a chain terminator and an acyl halide other than phosgene is after at least 25 percent of the hydroxyl groups in the dihydric phenol have been converted to chloroformate groups.

    摘要翻译： 公开了一种聚碳酸酯组合物及其制备方法，其中引入链终止剂和除光气以外的酰基卤是二元酚中至少25％的羟基已经转化为氯甲酸酯基团之后。

    Stabilizer composition
    9.
    发明授权
    Stabilizer composition 失效
    稳定剂组成

    公开(公告)号：US5362783A

    公开(公告)日：1994-11-08

    申请号：US73852

    申请日：1993-06-08

    申请人： Juergen Eiffler ,  Robin J. Lee

    发明人： Juergen Eiffler ,  Robin J. Lee

    IPC分类号： C08K3/00 ,  C08K5/00 ,  C08K5/13 ,  C08K5/134 ,  C08K5/50 ,  C08L69/00

    CPC分类号： C08K5/50 ,  C08K5/13 ,  C08K5/1345

    摘要： A stabilizer composition containsa) a phosphine of the general formulaPR.sup.1 R.sup.2 R.sup.3 (I)wherein R.sup.1, R.sup.2 and R.sup.3 independently from each other represent an alkyl, cycloalkyl, aryl or alkyl-aryl group or an aryl group which is substituted at the aromatic ring with one or more halogens and/or one or more alkyl, hydroxy or alkoxy groups andb) a hindered phenol.The stabilizer composition is useful for stabilizing thermoplastic polymers against discoloration. Optionally an organic light diffuser mixed with the thermoplastic polymer. The stabilizer composition is particularly useful for stabilizing polycarbonate compositions.

    摘要翻译： 稳定剂组合物含有a）通式为PR1R2R3（Ⅰ）的膦，其中R1，R2 + L和R3彼此独立地表示烷基，环烷基，芳基或烷基 - 芳基或在 芳环与一个或多个卤素和/或一个或多个烷基，羟基或烷氧基，和b）受阻酚。 稳定剂组合物可用于稳定热塑性聚合物以防变色。 可选地，与热塑性聚合物混合的有机光扩散器。 稳定剂组合物特别可用于稳定聚碳酸酯组合物。

    Process for the production of chlorinated and/or fluorinated propenes
    10.
    发明授权
    Process for the production of chlorinated and/or fluorinated propenes 有权
    用于生产氯化和/或氟化丙烯的方法

    公开(公告)号：US08258353B2

    公开(公告)日：2012-09-04

    申请号：US12799170

    申请日：2010-04-20

    申请人： William J. Kruper, Jr. ,  Max M. Tirtowidjojo ,  Kurt F. Hirsekorn ,  Debashis Chakraborty ,  Juergen Eiffler

    发明人： William J. Kruper, Jr. ,  Max M. Tirtowidjojo ,  Kurt F. Hirsekorn ,  Debashis Chakraborty ,  Juergen Eiffler

    IPC分类号： C07C17/266 ,  C07C17/00

    CPC分类号： C07C17/269 ,  Y02P20/582 ,  C07C21/18 ,  C07C21/04

    摘要： The present invention provides one-step processes for the production of chlorinated and/or fluorinated propenes. The processes provide good product yield with low, e.g., less than about 20%, or even less than 10%, concentrations of residues/by-products. Advantageously, the processes may be conducted at low temperatures relative to conventional processes, so that energy savings are provided, and/or at higher pressures so that high throughputs may also be realized. The use of catalysts may provide enhancements to conversion rates and selectivity over those seen in conventional processes, as may adjustments to the molar ratio of the reactants.

    摘要翻译： 本发明提供用于生产氯化和/或氟化丙烯的一步法。 该方法提供良好的产物收率，具有低，例如小于约20％，或甚至低于10％的残余物/副产物浓度。 有利地，相对于常规方法，该方法可以在低温下进行，从而提供节能和/或在更高的压力下，从而也可以实现高产量。 催化剂的使用可以提高转化率和选择性，而不是可以调节反应物的摩尔比。