| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyimide tube having a high thermal conductivity, superior mechanical strength and push-in strength, a high fixing performance and superior offset performance, to provide a process for producing the tube, and to provide a fixing belt has the tube as a base material. <P>SOLUTION: The polyimide tube consisting of a polyimide resin composition is such that the polyimide resin composition has a needle filler for high thermal conductivity, such as carbon nanotube, dispersed in a polyimide resin in an amount of 15 vol.% or higher, based on the total volume of the composition, and that the degree of orientation of the needle filler of high thermal conductivity, represented by the ratio circumferential-direction elastic modulus/axial-direction elastic modulus of the polyimide resin composition is 1.3 or higher; and there are provided a process for producing the tube and the fixing belt which utilizes the tube as a base material. <P>COPYRIGHT: (C)2009,JPO&INPIT |
