| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a semiconductive roller that has a roller resistance value of below 10<SP POS="POST">5</SP>Ω, and can be used, for example, as a charging roller to configure an image forming apparatus with a print speed higher than before. <P>SOLUTION: A semiconductive roller 1 is made of a cross-linking substance of a semiconductive composition containing a base polymer that is a mixture of epichlorohydrin rubber E and diene-based rubber N at a mass ratio of E/N=50/50 to 80/20, a salt of an anion including a fluoro group and a sulfonyl group in a molecule and a cation of a metal element, ionic liquid, and a cross-linking component. The semiconductive roller 1 includes a roller body 2 that has an oxide film 6 formed thereon by ultraviolet irradiation and is provided on an outer peripheral surface 5. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
