Semiconductive belt and image forming apparatus using the semiconductive belt
View Patent ↗The present invention provides a semiconductive belt including a substrate and a surface layer, wherein: the substrate contains a resin; the Young's modulus of the substrate is 1000 to 8000 MPa; the surface layer contains a lubricant component, a fibrous filling material, and an elastic material; and the durometer hardness of the surface layer is A30/S to A70/S.
1. A semiconductive belt comprising a substrate and a surface layer, wherein:
the substrate comprises a resin;
the Young's modulus of the substrate is 1000 to 8000 MPa;
the surface layer comprises a lubricant component, a fibrous filling material, and an elastic material; and
the durometer hardness of the surface layer is A30/S to A70/S.
2. The semiconductive belt of claim 1 , wherein the elastic material is a thermosetting elastomer.
3. The semiconductive belt of claim 1 , wherein the resin comprises a polyimide resin.
4. The semiconductive belt of claim 1 , wherein the thickness of the surface layer is 60 to 90% of the total belt thickness.
5. The semiconductive belt of claim 1 , wherein the thickness of the substrate is 10 to 40% of the total belt thickness.
6. The semiconductive belt of claim 1 , wherein the total thickness of the semiconductive belt is 0.05 to 0.6 mm.
7. The semiconductive belt of claim 1 , wherein the semiconductive belt is used for an image forming apparatus.
8. An image forming apparatus comprising an image carrier, means for forming a toner image on the image carrier, means for primary transferring the toner image, means for secondary transferring the primary transferred toner image onto a recording medium, and a semiconductive belt,
the semiconductive belt comprising a substrate and a surface layer, wherein:
the substrate comprises a resin;
the Young's modulus of the substrate is 1000 to 8000 MPa;
the surface layer comprises a lubricant component, a fibrous filling material, and an elastic material; and
the durometer hardness of the surface layer is A30/S to A70/S.
9. The image forming apparatus of claim 8 , wherein the elastic material is a thermosetting elastomer.
10. The image forming apparatus of claim 8 , wherein the resin comprises a polyimide resin.
11. The image forming apparatus of claim 8 , wherein the thickness of the surface layer is 60 to 90% of the total belt thickness.
12. The image forming apparatus of claim 8 , wherein the thickness of the substrate is 10 to 40% of the total belt thickness.
13. The image forming apparatus of claim 8 , wherein the total thickness of the semiconductive belt is 0.05 to 0.6 mm.
14. The image forming apparatus of claim 8 , wherein the semiconductive belt is used as an intermediate transfer belt and/or a paper transport belt.