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    • 10. 发明申请
    • ACTIVATED BIREGIONAL FIBERS AND METHOD FOR THE MANUFACTURE OF THEM
    • 激活的双边纤维及其制造方法
    • WO2002086210A1
    • 2002-10-31
    • PCT/US2002/011938
    • 2002-04-17
    • MCCULLOUGH, Francis, P.
    • MCCULLOUGH, Francis, P.
    • D01F11/12
    • D01F9/22D10B2331/021Y10T428/2918Y10T428/2929
    • The invention resides in a novel ignition resistant activated biregional fiber that is extremely flexible due to the presence of an inner core of a thermoplastic polymeric composition in the fiber that is surrounded by an outer sheath of activated carbon. The invention also discloses a process for the manufacture of flexible activated biregional fiber(s) by heating oxidation stabilized biregional fibers or carbonaceous biregional fibers in an activating atmosphere for a period of time and at a temperature sufficient to form an activated carbonaceous outer region in the fiber while the inner core of the fiber remain as a thermoplastic polymeric composition. The activated biregional fibers are particularly characterized by having a highly porous internal structure with an internal surface area of from about 50m 2 /g to greater than 2000m 2 /g depending on fiber diameter. Preferred end uses for the biregional activated carbon fiber(s) include, for example, air and water purification, solvent recovery, waste water treatment, the removal of noxious gases such as sulfur dioxide from stack gases, gas separation and storage, etc.
    • 本发明在于一种新颖的耐点火活性双向纤维,由于纤维中的热塑性聚合物组合物的内芯由活性炭的外护套包围而具有极大的灵活性。 本发明还公开了一种通过在活化气氛中加热氧化稳定的双向纤维或碳质双脉冲纤维来制造柔性活化双向纤维的方法,所述时间段和足以在所述活化碳质外层区域中形成活性碳质外部区域的温度 纤维,而纤维的内芯保持为热塑性聚合物组合物。 激活的双向纤维的特征在于具有高度多孔的内部结构,其内表面积为约50m 2 / g至大于2000m 2 / g,这取决于纤维直径。 双向活性炭纤维的优选最终用途包括例如空气和水净化,溶剂回收,废水处理,从堆叠气体中除去有害气体如二氧化硫,气体分离和储存等。