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    Paper auxiliary from condensation product of aliphatic polyol-ether-amine and compound polyfunctional toward amino groups
    1.
    发明授权
    Paper auxiliary from condensation product of aliphatic polyol-ether-amine and compound polyfunctional toward amino groups 失效
    由脂肪族多元醇 - 醚 - 胺和化合物多官能团与氨基的缩合产物制成的纸

    公开(公告)号：US4673729A

    公开(公告)日：1987-06-16

    申请号：US717410

    申请日：1985-03-29

    申请人： Wolf-Dieter Schroer ,  Janos Muszik ,  Gunther Cramm ,  Otto Benn

    发明人： Wolf-Dieter Schroer ,  Janos Muszik ,  Gunther Cramm ,  Otto Benn

    IPC分类号： D21F1/82 ,  D21H17/54 ,  C08G61/00 ,  D21H3/58

    CPC分类号： D21H17/54 ,  D21F1/82

    摘要： The present invention relates to agents for increasing the retention of fibres, fillers and pigments and for accelerating drainage in papermaking, and as flocculating agents in the working up of effluents from papermaking by filtration, sedimentation and flotation. They are characterized in that they contain, as active components, one or more nitrogen-containing condensation products which can be obtained by reacting (A) aliphatic polyol-ether-amines which are free from halogen groups, contain cohesive polyether segments and carry no amino groups within these segments, with (B) compounds which are polyfunctional towards amino groups, optionally in the presence of (C) polyaminopolyamides and/or (D) polyalkylenepolyamines, component (B) being employed in an amount such that water-soluble polycondensates which have a viscosity of 100 to 1,000 mPa.s at 25.degree. C. in 25% strength aqueous solution are formed.

    摘要翻译： 本发明涉及用于增加纤维，填料和颜料的保留性并用于加速造纸中的排水的试剂，以及作为通过过滤，沉淀和浮选的造纸废水处理中的絮凝剂。 它们的特征在于它们含有作为活性组分的一种或多种含氮缩合产物，其可以通过使（A）不含卤素基团的脂族多元醇 - 醚 - 胺反应而得到，含有聚合链段并且不携带氨基 在（C）聚氨基多酰胺和（D）聚亚烷基多胺的存在下，（B）化合物对于氨基具有多官能团的化合物，组分（B）的使用量使得水溶性缩聚物 在25℃下在25％强度的水溶液中形成100至1,000mPa.s的粘度。

    Production of low-filler rubber powders by the grinding process
    2.
    发明授权
    Production of low-filler rubber powders by the grinding process 失效
    通过研磨过程生产低填充橡胶粉末

    公开(公告)号：US4157790A

    公开(公告)日：1979-06-12

    申请号：US844261

    申请日：1977-10-21

    申请人： Otto Benn ,  Rolf Cornils ,  Gerhard Giersiepen

    发明人： Otto Benn ,  Rolf Cornils ,  Gerhard Giersiepen

    IPC分类号： C08L7/00 ,  B29B9/00 ,  B29B15/00 ,  B29B15/02 ,  C08C1/00 ,  C08J3/12 ,  C08L21/00 ,  C08L23/00 ,  C08L33/00 ,  C08L33/02 ,  C08L101/00 ,  B02C23/06

    CPC分类号： C08J3/124 ,  B29K2021/00 ,  C08J2321/00

    摘要： A process for the production of rubber powder having a particle size of from about 200 to 1500 .mu. and a powdering agent content of less than 7% by weight by grinding rubber particles, wherein the rubber is initially mechanically size-reduced into surface-rich and pore-rich particles, the entire quantity of powdering agent is added to the rubber particles, which are then ground at low temperature to prevent the rubber from flowing, non-adsorbed or freshly added powdering agent is adsorbed by the rubber powder in a zone following the grinding machine, and the rubber powder obtained is cooled to such an extent that no warm flow of the rubber occurs.

    摘要翻译： 一种生产橡胶粉末的方法，其中粒径为约200-1500μm，粉末含量小于7％（重量），通过研磨橡胶颗粒，其中橡胶最初机械尺寸减小到富表面， 富含孔的颗粒，将全部量的粉化剂加入到橡胶颗粒中，然后在低温下研磨，以防止橡胶流动，未吸附或新鲜加入的粉末剂被橡胶粉末吸附在以下区域 将研磨机和所得到的橡胶粉末冷却至不发生橡胶热流动的程度。