Process for producing separation functional fibers and...

Details Process for producing separation functional fibers and... Process for producing separation functional fibers and...

B - Operations, Transporting

01

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B01J 20/28 (2006.01) B01D 39/16 (2006.01) B01J 39/20 (2006.01) B01J 41/14 (2006.01) B01J 47/00 (2006.01) B01J 47/12 (2006.01) D01F 8/06 (2006.01) D01F 8/14 (2006.01)

Patent

CA 2157442

Separation functional fibers are produced by exposing fibers with a core/sheath structure to an ionizing radiation and then grafting a polymerizable monomer to the fibers. Ion-exchange fibers are produced by introducing, through radiation-initiated graft polymerization, ion-exchange groups into the sheath of each of composite fibers the core and the sheath of which are composed of different kinds of high-polymer components. The separation functional fibers and the ion-exchange fibers are useful in various applications such as the production of pure water in electric power, nuclear, electronic and pharmaceutical industries and the demineralization of high-salt content solutions in the production of foods and chemicals. The fibers are also useful in removing harmful components from gases, as well as odorous components such as ammonia.

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