| 摘要 |
PURPOSE:To obtain a rubber composite material in which short fibers are suffi ciently dispersed in rubber by dispersing short fibers of m-phenyleneiso phthalamide coated with a specific rubber latex or rubber cement in a rubber compound. CONSTITUTION:Filament yarns of m-phenyleneisophthalamide are immersed in a latex or cement of rubber of the kind which is identical with or different from that of a rubber compound as an adherend. The amount of the latex or cement of rubber adhering to the filament yarns is adjusted by means of a coverage adjusting apparatus. Then, the filament yarns are cut into a pre scribed length, followed by drying, whereby short fibers of m-phenyleneiso phthalamide coated with 1 to 10wt.% (solid base) of the rubber latex or cement are obtained. The obtained short fibers are dispersed in the rubber compound in a prescribed amount ratio to obtain a rubber composite material containing short fibers. |
