| 摘要 |
A cleaning blade for use in an image-forming apparatus formed by molding a thermosetting elastomer composition containing a rubber component (1), a filler (2), a crosslinking agent (3), and a dispersion-improving agent (4). As the dispersion-improving agent (4), thiol or/and sulfide having a specific chemical structure are contained in the thermosetting elastomer composition at 0.05 to 15 parts by mass for 100 parts by mass of the rubber component (1); or fluorine-substituted benzenethiol or/and a metal salt thereof are contained in the thermosetting elastomer composition at 0.05 to 10 parts by mass for 100 parts by mass of the rubber component (1).
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