Polyimide tube for fixing belts
2015
The purpose of the present invention is to provide a polyimide tube for fixing belts, which has excellent toner fixability. A polyimide tube for fixing belts of image forming apparatuses according to the present invention is provided with a polyimide layer that is mainly composed of a polyimide, while containing a needle-like filler. The needle-like filler contains carbon nanotubes and needle-like titanium oxide, and the product of the thermal diffusivity (m 2 /s) and the elongation at break (%) in the axial direction of the polyimide layer is 35 × 10 -7 or more. It is preferable that the needle-like filler is aligned in the axial direction or in the circumferential direction.
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