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    • 4. 发明申请
    • COMPOSITE BLOCKS WITH VOID SPACES
    • 有无效空间的复合块
    • WO2012082388A2
    • 2012-06-21
    • PCT/US2011/062852
    • 2011-12-01
    • 3M INNOVATIVE PROPERTIES COMPANYSTOUFFER, Mark R.PEMBERTON, Eric C.
    • STOUFFER, Mark R.PEMBERTON, Eric C.
    • B01D39/2062B01D2239/086B01D2239/1216B29C44/02Y10T428/249986
    • A composite block that includes activated carbon particles bonded to one another with a polymeric binder. The block includes a tortuous porous network extending through the block article, the tortuous porous network having a plurality of void spaces interspersed throughout the network with the majority of void spaces each having an average diameter greater than the average diameter of the remainder of the porous network. A filter incorporates the composite block as a part thereof. A process of making a composite block includes mixing activated carbon, polymeric binder and pore forming material to provide a moldable mixture; placing the moldable mixture in a mold cavity; heating the mold cavity and the moldable mixture to melt the polymeric binder; cooling the mold to re-solidify the polymeric binder to form the composite block; and removing the composite block from the mold cavity.
    • 包括用聚合物粘合剂相互粘合的活性炭颗粒的复合块。 该块包括延伸穿过该块状物品的曲折多孔网络,该曲折多孔网络具有散布在整个网络中的多个空隙空间,其中大多数空隙空间的平均直径大于多孔网络其余部分的平均直径 。 过滤器将复合块作为其一部分。 制造复合块的方法包括混合活性炭,聚合物粘合剂和孔形成材料以提供可模制混合物; 将可模制混合物放入模腔中; 加热模腔和可模制混合物以熔化聚合物粘合剂; 冷却模具以重新固化聚合物粘合剂以形成复合块体; 并从模腔中取出复合块。