| 简介 |
PROBLEM TO BE SOLVED : To mix powder of functional natural ores in a fiber and to impart characteristics possessed by the natural ores to the fiber.
SOLUTION : The fiber or a molded product is produced by using a resin composition comprising an ore containing carbon having a maximum particle diameter of ≤2 μm, an ore containing black silica and a rare earth element and having a maximum particle diameter of ≤5 μm and an ore containing the black silica and the rare earth element and having a maximum particle diameter of ≤3 μm, respectively. The content of the ores is ≤5 wt.% as the total amount of the ores and the radioactivity concentration is 0.3-4 Bq/g.
COPYRIGHT : (C)2008, JPO&INPIT |
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