| 摘要 |
PROBLEM TO BE SOLVED: To provide fibers and paper which give high additional values to waste roofing tiles of industrial wastes and have a far IR light-radiating ability and a minus ion-generating ability. SOLUTION: The fibers contain the crushed roofing tiles. The crushed roofing tiles are preferably contained in an amount of 1 to 30 wt.%, and have preferably particle diameters of 0.1 to 10μm. The method for producing the fibers comprises a process for mixing crushed roofing tiles with a fiber-forming polymer and a process for spinning the obtained composition. Further, the paper containing the crushed roofing tiles is produced. COPYRIGHT: (C)2006,JPO&NCIPI
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