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103 条记录 (耗时 0.023 秒)

    Method for producing compacted free-flowing raw materials for varnish
    1.
    发明授权
    Method for producing compacted free-flowing raw materials for varnish 失效
    生产压实自由流动的清漆原料的方法

    公开(公告)号：US06896752B1

    公开(公告)日：2005-05-24

    申请号：US09914436

    申请日：2000-02-23

    申请人： Lutz Hoppe ,  Martin Lohrie ,  Lutz Riechardt ,  Holger Tanneberger

    发明人： Lutz Hoppe ,  Martin Lohrie ,  Lutz Riechardt ,  Holger Tanneberger

    IPC分类号： C08B5/04 ,  C08J3/12 ,  C09D101/18 ,  C06B21/00

    CPC分类号： C08B5/04 ,  C08J3/12 ,  C08J2301/18 ,  C09D101/18

    摘要： A process for producing compacted free-flowing nitrocellulose based lacquer raw materials is described. The process involves pressing a nitrocellulose based lacquer feed material, which is moistened with alcohol or water, through the holes of a die. The pressing step may be performed by means of at least one circulating breaker. The process optionally comprises shearing off the compacted lacquer raw material into pieces of selected length, below the die. The compacted nitrocellulose based lacquer raw materials prepared by the process of the present invention are free flowing and have a moisture content of at least 25%.

    摘要翻译： 描述了一种生产压制的自由流动硝酸纤维素基漆原料的方法。 该方法包括通过模具的孔压制用醇或水润湿的硝基纤维素基漆进料。 压制步骤可以通过至少一个循环断路器来执行。 该方法任选地包括将压实的漆原料在模具下方剪切成选定长度的片段。 通过本发明的方法制备的压实的硝酸纤维素基漆原料是自由流动的，并且水分含量至少为25％。

    Process for the manufacture of lowdensity nitrocellulose granules
    3.
    发明授权
    Process for the manufacture of lowdensity nitrocellulose granules 失效
    低密度纳米纤维素颗粒的制造工艺

    公开(公告)号：US3824108A

    公开(公告)日：1974-07-16

    申请号：US82353569

    申请日：1969-05-05

    申请人： DYNAMIT NOBEL AG

    发明人： STOETZER E ,  WASSMUTH H ,  ABRAHAM A

    IPC分类号： C06B21/00 ,  C08B5/04 ,  C09D101/18 ,  C08B21/12

    CPC分类号： C09D101/18 ,  C06B21/0066 ,  C08B5/04

    摘要： PROCESS OF PREPARING NITROCELLULOSE GRANULES HAVING A BULK DENSITY OF BETWEEN 0.4 AND 0.6 G./CM3 FROM A NITROCELLULOSE LACQUER PREPARED BY STIRRING UNDER WATER NITROCELLULOSE STABILIZERS AND A NITROCELLULOSE SOLVENT INSOLUBLE IN THE WATER, ADDING TO THE LACQUER STILL BEING STIRRED A PROTECTIVE COLLOID AND A WATER-SOLUBLE ALKALI METAL OR ALKALINE EARTH METAL SALT, THEREAFTER REDUCING THE STIRRING SPEED WHEREUPON THE LACQUER BREAKS UP INTO DROP-LIKE PARTICLES, FURTHER REDUCING THE STIRRING SPEED AS TO CAUSE THE PARTICLES, OF LACQUER TO FLOW TOGETHER AGAIN,MAKING A SECOND ADDITION OF PROTECTIVE COLLOID AND SALT, THEN INCREASING THE STIRRING SPEED CAUSING THE LACQUER TO BREAK UP AND FORM THE DESIRED PARTICLES AND THEREAFTER DISTILLING OFF THE SOLVENT.