利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

68 条记录 (耗时 0.019 秒)

    Polycarbonates
    1.
    发明授权
    Polycarbonates 失效

    公开(公告)号：US3957728A

    公开(公告)日：1976-05-18

    申请号：US506158

    申请日：1974-09-16

    申请人： Dieter Neuray ,  Hugo Vernaleken ,  Hans Rudolph

    发明人： Dieter Neuray ,  Hugo Vernaleken ,  Hans Rudolph

    IPC分类号： C08G18/46 ,  C08G64/04 ,  C08G64/08 ,  C08G63/62 ,  B01D15/08

    CPC分类号： C08G64/045 ,  C08G18/4661 ,  C08G64/08

    摘要： Polycarbonates are provided based on aromatic bis-hydroxy compounds which contain s-triazine compounds as linking members between 2 mols of the aromatic bis-hydroxy compounds bonded in each case via an oxygen atom thereof, on the one hand, and via carbon atoms of the s-triazine ring, on the other, the s-triazine rings carrying, on at least one further carbon atom, organic radicals with functional groups, these radicals being bonded via oxygen, nitrogen or sulphur. The novel polycarbonates may be used as selective solvents for hydrocarbons mixed with water or for making resins or coatings.

    Polycarbonates
    2.
    发明授权
    Polycarbonates 失效
    聚碳酸酯

    公开(公告)号：US4092243A

    公开(公告)日：1978-05-30

    申请号：US655300

    申请日：1976-02-04

    申请人： Dieter Neuray ,  Hugo Vernaleken ,  Hans Rudolph

    发明人： Dieter Neuray ,  Hugo Vernaleken ,  Hans Rudolph

    IPC分类号： C02F1/28 ,  C08G18/46 ,  C08G64/08 ,  B01D15/08

    CPC分类号： C02F1/285 ,  C08G18/4661 ,  C08G64/08

    摘要： Polycarbonates are provided based on aromatic bis-hydroxy compounds which contain s-triazine compounds as linking members between 2 mols of the aromatic bis-hydroxy compounds bonded in each case via an oxygen atom thereof, on the one hand, and via carbon atoms of the s-triazine ring, on the other, the s-triazine rings carrying, on at least one further carbon atom, organic radicals with functional groups, these radicals being bonded via oxygen, nitrogen or sulphur. The novel polycarbonates may be used as selective solvents for hydrocarbons mixed with water or for making resins or coatings.

    摘要翻译： 提供基于芳族双羟基化合物提供聚碳酸酯，其包含s-三嗪化合物作为在两种情况下通过其氧原子键合的2摩尔芳族双羟基化合物之间的连接构件，一方面通过 s-三嗪环，另一方面是在至少一个另外的碳原子上带有官能团的有机基团的这些基团通过氧，氮或硫键合的s-三嗪环。 新型聚碳酸酯可以用作与水混合或用于制备树脂或涂料的烃的选择性溶剂。

    Process for the preparation of high molecular thermoplastic polycarbonates of low flammability
    4.
    发明授权
    Process for the preparation of high molecular thermoplastic polycarbonates of low flammability 失效
    制备低易燃性的高分子量热塑性聚碳酸酯的方法

    公开(公告)号：US4098754A

    公开(公告)日：1978-07-04

    申请号：US640109

    申请日：1975-12-11

    申请人： Dieter Neuray ,  Hugo Vernaleken ,  Claus Wulff ,  Ralf Lange

    发明人： Dieter Neuray ,  Hugo Vernaleken ,  Claus Wulff ,  Ralf Lange

    IPC分类号： C08G63/00 ,  C08G64/06 ,  C08G64/40 ,  C08G64/42 ,  C08J5/08 ,  C08K5/098 ,  C08G63/62 ,  C08L69/00

    CPC分类号： C08G64/42 ,  C08G64/06 ,  C08K5/04 ,  C08K5/098 ,  C08K5/16 ,  Y10S260/24

    摘要： The present invention is concerned with a process for the production of high molecular weight thermoplastic ppolycarbonates having improved flame resistance and in conjunction with glass fibres, improved mechanical properties and the polycarbonates so produced. A solution polycarbonate is reacted with an alkali metal salt soluble in the melt of the polycarbonate until the Staudinger Index has increased by about 3 to 30 cm.sup.3 /g. This usually requires about 0.0001 to 0.1 wt. % of the salt, based on the weight of polycarbonate and a temperature of about 250.degree. to 400.degree. C for between about 1 and 30 minutes. In a preferred embodiment the reaction is conducted in a self-cleaning twin screw extruder.

    摘要翻译： 本发明涉及生产具有改进的阻燃性和与玻璃纤维相结合的改进的机械性能和如此生产的聚碳酸酯的高分子量热塑性聚碳酸酯的方法。 将溶液聚碳酸酯与可溶于聚碳酸酯熔体中的碱金属盐反应直到Staudinger指数增加约3至30cm 3 / g。 这通常需要约0.0001至0.1wt。 ％的盐，基于聚碳酸酯的重量和约250-400℃的温度约1至30分钟。 在优选的实施方案中，反应在自清洁双螺杆挤出机中进行。

    Catalyst, its production and its use for the gas-phase polymerization of conjugated dienes
    10.
    发明授权
    Catalyst, its production and its use for the gas-phase polymerization of conjugated dienes 失效
    催化剂，其制备及其在共轭二烯气相聚合中的应用

    公开(公告)号：US5858903A

    公开(公告)日：1999-01-12

    申请号：US933597

    申请日：1997-09-18

    申请人： Gerd Sylvester ,  Hugo Vernaleken

    发明人： Gerd Sylvester ,  Hugo Vernaleken

    IPC分类号： C08F2/34 ,  C08F4/52 ,  C08F4/54 ,  C08F4/60 ,  C08F36/04 ,  B01J31/00

    CPC分类号： C08F36/04 ,  Y10S526/901 ,  Y10S526/904

    摘要： Catalysts consisting ofA) an alcoholate of the rare earths, a carboxylate of the rare earths, a complex compound of the rare earths with diketones and/or an addition compound of the halides of the rare earths with an oxygen or nitrogen donor compound,B) an aluminium trialkyl, a dialkyl aluminium hydride and/or an alumoxane,C) another Lewis acid andD) an inert, particulate inorganic solid with a specific surface of greater than 10 m.sup.2 /g (BET) and a pore volume of 0.3 to 15 ml/gare eminently suitable for the polymerization of conjugated dienes, more particularly butadiene, in the gas phase.

    摘要翻译： 由以下组成的催化剂：A）稀土的醇化物，稀土的羧酸盐，稀土与二酮的络合物和/或稀土卤化物的加成化合物与氧或氮给体化合物B， ）三烷基铝，二烷基氢化铝和/或铝氧烷，C）另一种路易斯酸和D）比表面积大于10m 2 / g（BET）的惰性颗粒状无机固体，孔体积为0.3〜 15ml / g非常适合在气相中共轭二烯，更特别是丁二烯的聚合。